Sunday, May 3, 2020

Business Law and Corporation Law of India †Myassignmenthelp.Com

Question: Differences between Business Law Corporation laws? Answer: Introducation From the given scenario, Adil bought a Mitsubishi Pajero car from a car dealer named Tang at price of $44,990. But after one week, the car broke down due to defective gear box and has also travelled more than 7000Km which was not earlier mention by the car dealer. The issue in this case is that when Adil went to Tang for refunding his money but he refused to pay the refunded money under the consumer law of Australia as cost of car is more than $40,000 which deprived Adil not be an Australian customer. The main concern is to find the legal rights of Adil to recover his money from Tang under the consumer Business Law of Australia. Rules: The above case comes under the consumer law of Australia, 2001. Under the section 3 of this law, if the prices for goods are exceeded above $40,000, then person will not be treated as the consumer. The person will only be considered as the consumer in case exceeded the limit above $40,000, if purchased goods will be used for personal, household or domestic purposes (Fitzpatrick et al, 2016). The above case also comes under section 54 of ACL, 2011 where guarantee is given on the acceptable quality of goods or services. The guarantee as to be fitted for any unspecified or disclosed purpose is also comes under the section 55 of ACL, 2011. Further, under section 64A of ACL, 2011, the goods are liable to be replaced, repaired or refund of money in case the goods or services are found in lack of quality or information. The deceptive or misleading conduct also comes in action under the section 3 of consumer law, 2011, which can be applied to all the persons who are considered as the consumers and in some cases, also applied to those who are not the consumers under the law (Baxt, 2016). Under the section 18 of ACL, 2011, a person has no right to do the trade or business if he engaged in deceptive or misleading actions or likely to be involved in this type of actions. This section mainly meant for the corporations or individuals and does not consider the consumers under the law. The above case also comes under the unconscionable conduct under the section 20 of ACL, 2011, which prohibits the individual or person to be engaged in this type of conduct which is usually according to the law that is unwritten by nature. This type of conduct generally referred where stronger parties always takes benefits of the weaker party due to their weakness or special disability as happened in the scenario where Adil has little knowledge of English language and Tang took the advantage of that disability (Murray and Harris, 2011). This type of conduct is also prohibited the delivery or supply of goods and services to the consumers for their domestic, household and personal use under the section 21 of consumer law of Australia, 2011. The above act done by Tang also comes under the unfair practices under the section 29 of consume law of Australia, 2011 which defines that a person or individual will not remain in trade or business to deliver or supply goods and services which falsely represents the quality, grade or standard related to the supplied goods and services (Latimer, 2016). Further, the above scenario also comes under the information standards according to which if the goods or services are not complied with the set information standards then such types of goods or services needs not be supplied to the consumers under the section 134-5 of consumer law of Australia, 2011. These are the rules which mainly satisfies all the issues which are raised in the following given scenario. Application: There are various applications which can easily determines the fact whether Adil comes under the rights of consumer law of Australia or not. The case between Bethune and QconnPty Ltd in 2002 also comes under the same scenario where inappropriate services were given to the consumer. In this case, Bethune had purchased bob cat for price of $10,000 from QconnPty Ltd. But there was a defect in bob cat as had not the protective mesh. Due to that, customer was charged less amount and also well acknowledged about the defect (Harris et al, 2011). After some time, Bethune was injured while driving and argued that bob cat was not of quality which could be acceptable. The court had declined his argument as Bethune was well aware about the defect while purchasing the bob cat. Under section 54(7), if buyer is well aware about the defect before purchasing the goods or services, he is not liable to claim about the acceptable quality of goods and services. This case also comes under the deceptive or misleading. The case between Trade Practices Commission and Thompson Pty Ltd or Anand also defines misleading conduct as telling something which is new but actually not. The silence also comes under misleading conduct especially where if something required to be said when it is known. The case between Henjo Investments and Collins Marrickville Ltd in 1987 also defines misleading conduct. HI made written contract to sale restaurant (Harris, 2012). It was displayed that restaurant had seating capacity of 120. CM visited to buy the restaurant but licensed for only 80 seats was made by HI. The solicitor of CM had found that under misleading conduct as represent false information regarding seating capacity and has breached contract under section 52. CM was granted the remedy and also contract was terminated under the section 242 of consumer law of Australia, 2011. Conclusion: From the above discussion, it has been found that Adil has the legal rights to claim for his money from Tang under the consumer law of Australia, 2011. Adil is liable to claim remedy from Tang according to the statutory guarantees under the consumer law of Australia, 2011. The remedy can be in the form of damages, non-punitive orders or injunctions. If the breach happened under the statutory guarantee, then the consumer is liable to take serious measures against the offended person or suppliers of goods under section 259 and services under section 267 of consumer law of Australia, 2011. Both sections 259 and 267 mainly differentiate the major as well as minor breaches under the statutory guarantees. Further, if the failure to provide quality or standards services and goods happened, then the consumer is liable to reject supply of goods or services and can also claim for the compensation charges according to the loss happened to him under the section 259(3) of the consumer law of Australia, 2011. Also, if the consumer is decided to terminate the contract then he is liable to recover all his considerations that are required to be paid under the section 269 of consumer law of Australia, 2011. Adil can also be treated as the Australian consumer even if he has bought the goods above the price of $40,000 under the section 3 of the consumer law of Australia, 2011. According to this law, even if the consumer has exceeded $40,000 for the purchased goods, he comes under the Australian law as the consumer is using his purchased goods for his for personal, household or domestic purposes. References: Baxt, R. (2016). Corporations Legislation 2016. Australia: Thomson Reuters. Fitzpatrick, J., Symes, C., Veljanovski, A. and Parker, D. (2016). Business and Corporations Law, 3rd Edition. Australia: LexisNexis Butterworths. Harris, J. (2012). Company Law: Theories, Principles and Applications. Australia: LexisNexis Butterworths. Harris, J., Hargovan, A. and Adams, M. (2011). Australian Corporate Law. Australia: LexisNexis Butterworths. Latimer, P. (2016). Australian Business Law 2016. Australia: Oxford University Press. Murray, M. and Harris, J. (2011). Keay's Insolvency: Personal and Corporate Law and Practice. Australia: Lawbook Company.

Tuesday, March 24, 2020

stuff the tigers Essay Example

stuff the tigers Essay Dear Editor, Im a regular newspaper reader. Recently I stumbled upon Jeremy Clarksons article about tigers. Upon reading it I discovered that I strongly disagree with some of his ideas and points of view and the way in which he writes them. On a personal level I am also fond of these wild animals, which gives me reasons to criticise this article. I can understand that it is difficult to find a rather engaging topic for the readers, especially for the younger audiences. However, this article crosses all of the delicate boundaries that a newspaper is expected to adhere to. It is clear to me, and I am sure o many of your other loyal readers, that the author expresses his views in an offensive way and belittles this sensitive issue by using inappropriate sarcasm. This can clearly be seen from the beginning of the article; the title Stuff The Tigers not only shows Mr. Clarksons personal attitudes to all living creatures and the world itself but also uses language to create humour to address a topic that is clearly not humorous. By using a pun on the word stuff he is making an insensitive start to his article. While this may appeal to a younger audience, those more educated will find it offensive. I am not against his article, every person is allowed to have her or his own opinion. However, the author talks about the animals as if they are non-living objects. Is it a correct point of view? I do not believe so. Animals are living creatures that are a part of our environment, not as Clarkson thinks as irrelevant as the death of a faraway star. They deserve to be treated with respect. All creatures on this planet have their own purpose and it is not up to us to decide whether they live or die. As the most developed and intelligent species, it is our duty to preserve nature. What is more, it is not that hard to save the tigers from xtinction, but clearly Mr. Clarkson cares nothing for their disappearance and the little effort it would take to make a difference. Extinction of any species is a global, environmental problem and one of the most important issues to face the world. It should be concerning all countries. However, from the opening line Jeremy Clarkson places blame mostly with particular countries i. e. China without a reasonable cause; As the population of China becomes more wealthy. We will write a custom essay sample on stuff the tigers specifically for you for only $16.38 $13.9/page Order now We will write a custom essay sample on stuff the tigers specifically for you FOR ONLY $16.38 $13.9/page Hire Writer We will write a custom essay sample on stuff the tigers specifically for you FOR ONLY $16.38 $13.9/page Hire Writer Clarkson also suggests that it is generally thought that traditional Chinese medicine involves killing tigers 600million Chinese people believe will cure any umber of ailments. Even if this is so, why doesnt he admit the Chinese also contribute significantly to wildlife conservation? Or that this is a decreasing problem? Mr. Clarkson also writes; Apart from for a few impotent middle-class Chinamen, the extinction makes not the slightest bit of difference if Johnny tiger dies out. The author makes his feelings crystal clear, and it is a sad state of affairs if he is correct. Clarkson makes extinction seem unimportant. He implies that it is not even our concern; l nave never seen any numDer 0T creatures tnat I Know to exlst. so wny should I care if my children never see a tiger?. Here I disagree entirely. If we let all creatures die, who would maintain the essential balance that our planet so badly needs? Personally I do not have an answer. Probably Jeremy Clarkson with his despicable article knows He also mentions that the tigers provide business opportunities; demand for illegal tiger parts is booming. However, I understand that poor communities might feel the need to hunt as the way to survive which is more than Clarkson seems to acknowledge. More often then not, though, this is done because of greed and enormous profits and it is this that we need to prevent in order to prevent the xtinction of tigers. Here is another interesting point Clarkson raises which leaves me divided; Animals become extinct naturally like the brontosaurus. While I agree that some animal deaths are natural, how can the extinction of tigers be natural, if the creatures are being poached? This is not an understandable reason for their disappearance as whole. When the animals do not die naturally, they are not able to breed which leads to the extinction of the species. This is man-made problem not a natural one. Although many of his arguments are presented as questions, And what e supposed to do exactly? , Mr. Clarkson might have influenced your opinion on this issue by his presentation of the issues in a friendly tone, So why should I care if my children never see a tiger? , and humorous manner, eco mentalists. Probably he wants to manipulate us using his humor and the way of writing and I am surprised at your newspaper for allowing this to happen when it concerns a serious topic. He also uses exaggeration ( we are told the polar bear is now at risk and as a result were all supposed to kill ourselves) and these methods create the biggest impact on eaders, making them believe his arguments are more trustworthy than they are in reality. The only creatures that really matter are those in our social group said Jeremy Clarkson. He persuades the readers that nothing wrong and awful will happen if one type of species becomes extinct. However, we are all part of a balanced eco-system that relies on each aspect to survive effectively. If animals become extinct there will not be the required recourses for human beings because animals are needed for products and life support. Despite all of my criticism I agree with; Between 1900 and 1919 Eco-mentalists ignore the fact that we lost most of young men in Europe and prattle on about the passing of the passenger pigeon Nothing can be worse than closed eyes on many human deaths, especially young peoples but it is not part of the argument over saving tigers; these are separate issues. In my opinion The Sunday Times should think about the opposition to Jeremy Clarksons article and consider extinction as an issue for humanity as a whole. ? «You must not lose faith in humanity. Humanity is an ocean; if a few drops of the ocean are dirty, the ocean does not become dirty?  ». -Mahatma Gandi

Friday, March 6, 2020

Kirchhoffs Laws for Current and Voltage

Kirchhoff's Laws for Current and Voltage In 1845, German physicist Gustav Kirchhoff first described two laws that became central to electrical engineering. Kirchhoffs Current Law, also known as Kirchhoffs Junction Law, and Kirchhoffs First Law, define the way that electrical current is distributed when it crosses through a junction- a point where three or more conductors meet. Put another way, Kirchhoffs Laws state that the sum of all currents leaving a node in an electrical network is always equal to zero, notes Resistor Guide. These laws are extremely useful in real life because they describe the relation of values of currents that flow through a junction point and voltages in an electrical circuit loop, explains Rapid Tables. In other words, these rules describe how electrical current flows in all of the billions of electric appliances and devices, as well as throughout homes and businesses, that are in use continually on Earth. Kirchhoffs Laws: The Basics Specifically, the laws state that: The algebraic sum of current into any junction is zero. Since current is the flow of electrons through a conductor, it cannot build up at a junction, meaning that current is conserved: What goes in must come out. You can think of perhaps the most well-known example of a junction: a junction box. These boxes are installed on most houses: They are the boxes that contain the wiring through which all electricity in the home must flow. When performing calculations, then, the current flowing into and out of the junction typically has opposite signs. You can also state Kirchhoffs Current Law as: The sum of current into a junction equals the sum of current out of the junction. You can further break down the two laws more specifically. Kirchhoffs Current Law In the picture, a junction of four conductors (wires) is shown. The currents i2 and i3 are flowing into the junction, while i1 and i4 flow out of it. In this example, Kirchhoffs Junction Rule yields the following equation: i 2 i 3 i 1 i 4 Kirchhoffs Voltage Law Kirchhoffs Voltage Law describes the distribution of electrical  voltage within a loop, or closed conducting path, of an electrical circuit. Specifically, Kirchhoffs Voltage Law states that: The algebraic sum of the voltage (potential) differences in any loop must equal zero. The voltage differences include those associated with electromagnetic fields (emfs) and resistive elements, such as resistors, power sources (for example, batteries) or devices (such as lamps, televisions, and blenders) plugged into the circuit. In other words, you can picture this as the voltage rising and falling as you proceed around any of the individual loops in the circuit. Kirchhoffs Voltage Law comes about because the electrostatic field within an electric circuit is a conservative force field. In fact, the voltage represents the electrical energy in the system, so it can be thought of as a specific case of conservation of energy. As you go around a loop, when you arrive at the starting point has the same potential as it did when you began, so any increases and decreases along the loop have to cancel out for a total change of zero. If it didnt, then the potential at the start/end point would have two different values. Positive and Negative Signs in Kirchhoffs Voltage Law Using the Voltage Rule requires some sign conventions, which arent necessarily as clear as those in the Current Rule. You choose a direction (clockwise or counterclockwise) to go along the loop. When traveling from positive to negative ( to -) in an emf (power source) the voltage drops, so the value is negative. When going from negative to positive (- to ) the voltage goes up, so the value is positive. Remember that when traveling around the circuit to apply Kirchhoffs Voltage Law, be sure you are always going in the same direction (clockwise or counterclockwise) to determine whether a given element represents an increase or decrease in the voltage. If you begin jumping around, moving in different directions, your equation will be incorrect. When crossing a resistor, the voltage change is determined by the formula I*R, where I is the value of the current and R is the resistance of the resistor. Crossing in the same direction as the current means the voltage goes down, so its value is negative. When crossing a resistor in the direction opposite the current, the voltage value is positive (the voltage is increasing). Applying Kirchhoffs Voltage Law The most basic applications for Kirchhoffs Laws are in relation to electrical circuits. You may remember from middle school physics that electricity in a circuit must flow in one continuous direction. If you break the circuit- by flipping off a light switch- you are breaking the circuit, and hence turning off the light. Once you flip the switch, you re-engage the circuit, and the lights come back on. Or, think of stringing lights on your house or Christmas tree. If just one light bulb blows out, the entire string of lights goes out. This is because the electricity, stopped by the broken light, has no place to go. Its essentially the same as turning off the light switch and breaking the circuit. The other aspect of this with regard to Kirchhoffs Laws is that the sum of all electricity going into and flowing out of a junction must be zero: The electricity going into the junction (and flowing around the circuit) must equal zero because the electricity that goes in must also come out. So, next time youre working on your junction box (or observing an electrician doing so), stringing electric holiday lights, or even just turning on or off your TV or computer, remember that Kirchhoff first described how it all works, thus ushering in the age of electricity that the world now enjoys.

Wednesday, February 19, 2020

How stuff work Research Paper Example | Topics and Well Written Essays - 750 words

How stuff work - Research Paper Example This invention came into the limelight immediately because it was the key in solving one of the biggest environmental challenges-Oil spills and was concept of bioremediation since no harmful chemicals or other products were employed. Oil spills always have a catastrophic effect on the marine ecosystem as well as those who depend on the marine ecosystem .such as birds, fishing industry and tourism industry. The toxic oil stuck to the bird’s feathers prohibiting them from flying and has serious effects on the marine life as well. Until the invention of these microbes the cost of cleaning up the oil was extremely high. Using techniques such as dispersants or mechanical skimming cost almost $7,350 per metric ton of oil. Often oil was spilled in the middle of the ocean where logistics posed a great problem and in most cases only a mere 20% of the oil spilled could be cleaned up. However the invention of these oil-eating microbes have been a boon to mankind since these microbes make the cleaning up process practical, rapid and environment friendly. Production of Oil eating Bacteria Oil especially crude oil is composed of hydrocarbons. Many bacteria and fungi have the natural capability of breaking down oil into carbon dioxide and water however none of the naturally occurring bacteria could degrade all the components. While working with microbes he recognized the fact that microbial metabolism could be used for the process of bioremediation. Recombinant DNA technology also known as RDT is the technology used by biotechnologists and genetic engineers to transfer DNA or genetic material from one cell to another with the help of vectors or carrying bodies such as plasmids. Certain bacterial strains already bore the gene which encodes for specialized enzymes. These specialized enzymes have the capability of degrading oil, nullifying their toxicity and turning them into harmless products. Using recombinant DNA technology, Professor isolated the genes from these micr obes and integrated them into the vector plasmid DNA machinery. These plasmids were then integrated into strains of Pseudomonas bacteria. These genetically engineered bacteria were now made capable of producing enzymes on their own which could degrade oil and render them harmless. Working principle The entire working principle of the oil degrading microbes is based on the study of enzymes. The enzymes help the bacteria in obtaining their carbon from the oils. Once these microbes are put into the water containing oil, their only source of carbon is the oil on the water surface. The bacteria which can produce oil-degrading enzymes start production and utilizes the degraded oil as its energy resource. Hydrocarbon degrading enzymes such as alkane hydroxylase, catechol dioxygense are some of the enzymes that are encoded by the genes of some naturally occurring oil0degrading bacteria and which have been genetically transferred into Pseudomonas strain enabling the latter to break down a wi de variety of oil components (Peixoto et al,2011, p.2). The bacteria proliferates at the site of oil spill since large quantities of carbon resource is available. Problems

Tuesday, February 4, 2020

American society and its laws Case Study Example | Topics and Well Written Essays - 750 words

American society and its laws - Case Study Example That power can mean those with money and influence in high places who have access to those who formulate the laws and rules [governmental bodies] they see as being in their favor. Or, it can mean a group that does not necessarily have financial power, but power nonetheless in sufficient numbers to influence those who make laws and rules. This type of influence can be seen in lobby groups whose power may lie in their association with a powerful entity, or, the influence may lie with a group large enough to have a negative effect on, say, a politician’s reelection goals if the politician does not promote the law they see as beneficial to their cause. At times those in power seek to create laws and rules that benefit the less powerful, but the act of getting the law or rule passed is still a function of their power. In general, laws are made to maintain order within the culture as perceived at times by special interests and at times by the wider group. Both can be discriminatory and/or can attempt to alleviate discrimination, depending upon the law, who it affects, and whether or not it singles out certain groups and inhibits or restricts their life and behavior. Unfortunately, â€Å"Racism, sexism, heterosexism and class privilege...[when it comes to law and rule making] create a system of advantage and disadvantage that enhances the life chances of some while limiting the life chances of others† (Rothenberg 117). This system has been in place since the beginning and is typified by Thomas Jefferson’s advocacy of a white yeoman class of small farmers who, as property owners, had a vested interested in preserving law and a role in administering it at the expense of poor whites destined to remain the downtrodden labor force. (Rothenberg, from Buck, Contructing Race and Creating White Privilege 35) Alarmingly not much has changed since that time. According to Pharr, the U.S. continues to promote a

Sunday, January 26, 2020

nature of substances

nature of substances 1. Nature of substances: Simple particles react faster than complex particles. In complex molecules more bonds have to be broken. This means more energy is needed to form the activated complex. Particles such as atoms or ions in solution react more quickly than complex molecules. Surface area of reactants: The greater the surface area of the reactants the faster the reaction will take place. This is because a greater surface area means more collisions between reacting particles. When a substance is ground into a powder this increases its surface area. Concentration of reactants (or pressure of gases): An increase in concentration increases the rate of a reaction. The increased concentration means more collisions between reacting particles. Temperature: An increase in temperature increases the rate of a reaction. At a higher temperature particles move faster and have more kinetic energy. When particles collide they do so with enough energy to reach the activated complex. Heating a reaction means there will be a larger number of collisions and more of these collisions will be effective. A temperature increase of 10ËšC, will double the rate of a reaction. Use of Catalysts: A catalyst is a substance that will speed up a reaction without undergoing any permanent change. Catalysts lower the activation energy in a reaction by holding particles onto their surface and pointing them in the correct direction for a product to form. A substance that slows down a chemical reaction and makes it harder for a product to form is called an inhibitor. 2. The term quantitative approach (the determination of the absolute or relative abundance (often expressed as a concentration) of one, several or all particular substance(s) present in a sample.) is often used in comparison (or contrast) with qualitative approach, which seeks information about the identity or form of substance present. For instance, a chemist might be given an unknown solid sample. He or she will use qualitative techniques (perhaps NMR or IR spectroscopy) to identify the compounds present, and then quantitative techniques to determine the amount of each compound in the sample. Careful procedures for recognizing the presence of different metal ions have been developed, although they have largely been replaced by modern instruments; these are collectively known as qualitative inorganic analysis. Similar tests for identifying organic compounds (by testing for different functional groups) are also known. Many techniques can be used for either qualitative or quantitative measurements. For instance, suppose an indicator solution changes colour in the presence of a metal ion. It could be used as a qualitative test: does the indicator solution change colour when a drop of sample is added? It could also be used as a quantitative test, by studying the colour of the indicator solution with different concentrations of the metal ion. (This would probably be done using ultraviolet-visible spectroscopy.) 3.To ensure no residue is left to affect further experiments by either contamination or to ensure a powder is not mixed. 4. a) Litmus Paper is a paper containing dyes which change colour when exposed to acids or bases. It is used to identify acid and bases b)A mixture of 10-15 natural dyes obtained from lichens (mainly Roccella tinctoria) that turns red in response to acidic conditions (pH 7). When the pH is neutral (pH = 7) then the dye is purple. c)To allow the litmus paper to absorb the pH of a solid object. 5. Precipitation is the formation of a solid in a solution during a chemical reaction. When the reaction occurs, the solid formed is called the precipitate, and the liquid remaining above the solid is called the supernate. 6. Mix acid with water, water first and next acid. The reason is that when you mix acid to water the concentration of the acid is immediately diluted by water and the gradient or the concentration difference between the water and the acid keeps decreasing gradually so is the liberation of heat and is safer. Mixing concentrated acid and water is highly exothermic in some cases the amount of heat generated can instantly boil. So if you add water to the concentrated acid the small amount of water will instantly boil and splatter hot acid all over the place. Some acids will generate Hydrogen gas and will ignite and explode. If you add the acid to the water the water can absorb most of the heat and it wont splatter or explode. 7. Light the match first. If one was to turn the gas valve on before lighting the match, then the gas could build up and cause an explosion once the match is lit. This is why it is important to light the match first then turn on the gas valve. 8. a) To test for the presence of oxygen gas, collect a sample of the gas in a small container such as a test tube. Light a wooden splint. Blow out the flame, but make sure that the tip of the splint has a reddish, glowing tip. Insert the glowing splint into the mouth of the test tube. If the glowing splint bursts into flame, the gas is oxygen. b) To test for the presence of hydrogen gas, collect a sample of the gas in a small container such as a test tube. Light a wooden splint, but do not blow out the flame. Insert the burning splint into the mouth of the test tube. If the gas is hydrogen, you will hear a slight explosive pop sound. c) To test for the presence of carbon dioxide gas, collect a sample of the gas in a small container such as a test tube. Add a small amount (2 to 3 ml) of lime water to the test tube and shake the test tube to mix the gas and the lime water. If the lime water solution turns a milky white, the gas is carbon dioxide. This test works because lime water and carbon dioxide gas react to form a white precipitate. A second test is to light a wooden splint. Place the burning splint into the mouth of the test tube. If the flame is extinguished, the gas may be carbon dioxide. Since carbon dioxide is neither explosive nor does it support combustion, placing a burning splint into the mouth of the test tube containing carbon dioxide extinguishes the flame. This second test is not a positive test for carbon dioxide however since other gases may also extinguish a flame since they too do not support burning. Therefore, the first test is better. 9. Place an Alka Seltzer tablet in the bottom of a balloon or plastic sandwich bag. Tie the encased tablet tightly with a rubber band or string, then fill the remainder of the balloon or bag with water and seal it with another rubber band or a piece of string. Carbon dioxide gas can be produced by loosening the rubber band or string around the tablet and allowing the water to reach the tablet. 10. Oxygen 11. a) A balanced equation contains equal numbers of each element on the reactant and on the product side of the equation. b) i) (s) Solid ii) ( ) iii) (g) Gaseous iv) (ag) Aqueous ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; f v) ( ↑ ) kjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj g vi) ( ↓ ) kjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj g vii) ( = ) 12.a) A chemical reaction in which heat is absorbed, because the products are higher in energy than the reactants b) A chemical reaction in which heat is released, because the products are of lower energy than the reactants c) Redox (shorthand for reduction-oxidation reaction) describes all chemical reactions in which atoms have their oxidation number (oxidation state) changed. This can be either a simple redox process such as the oxidation of carbon to yield carbon dioxide or the reduction of carbon by hydrogen to yield methane (CH4), or it can be a complex process such as the oxidation of sugar in the human body through a series of very complex electron transfer processes. d) Thermal decomposition, also called thermolysis, is defined as a chemical reaction when a chemical substance breaks up into at least two chemical substances when heated. The reaction is usually endothermic as heat is required to break chemical bonds in the compound undergoing decomposition. e) f) 13. 1 dm ³ = cm ³ = m ³ = ml = l 14. a) b) Litres (l) or cubic metre (m3) c) d) e) f) Second (s) g) Kilogram (kg) h) Grams per mole (g/mol or gmol-1)

Saturday, January 18, 2020

A Clinical Assessment and Management of a Patient

A CLINICAL ASSESSMENT AND MANAGEMENT OF A PATIENT WITH FACULTATIVE HYPEROPIA Prepared By: Santos, Clarence O. Abstract Ametropia is an anomaly of the refractive state of the eye in which, with relaxed accommodation, the image of objects at infinity is not formed on the retina. Thus vision may be blurred. The ametropias are: astigmatism, hyperopia (hypermetropia) and myopia. The absence of ametropia is called emmetropia. The word â€Å"ametropia† can be used interchangeably with â€Å"refractive error† or â€Å"image formation defects. Types of ametropia include myopia, hyperopia and astigmatism. They are frequently categorized as spherical errors and cylindrical errors. Those who possess mild amounts of refractive error may elect to leave the condition uncorrected, particularly if the patient is asymptomatic. For those who are symptomatic, glasses, contact lenses, refractive surgery, or a combination of the three are typically used. Keywords Hyperopia, Ametropia, Facul tative Hyperopia IntroductionHyperopia, also known as farsightedness, longsightedness or hypermetropia, is a defect of vision caused by an imperfection in the eye (often when the eyeball is too short or the lens cannot become round enough), causing difficulty focusing on near objects, and in extreme cases causing a sufferer to be unable to focus on objects at any distance. As an object moves toward the eye, the eye must increase its optical power to keep the image in focus on the retina. If the power of the cornea and lens is insufficient, as in hyperopia, the image will appear blurred.The causes of hyperopia are typically genetic and involve an eye that is too short or a cornea that is too flat, so that images focus at a point behind the retina. In severe cases of hyperopia from birth, the brain has difficulty merging the images that each individual eye sees. This is because the images the brain receives from each eye are always blurred. A child with severe hyperopia has never seen objects in detail and might present with amblyopia or strabismus. If the brain never learns to see objects in detail, then there is a high chance that one eye will become dominant.The result is that the brain will block the impulses of the nondominant eye with resulting amblyopia or strabismus. Case Report Michelle Tizon, a 19 year old female had a routine eye checkup last July 23, 2012. She does not wear any corrective lenses. The patient does not report any symptoms of visual deficiencies and declares that she has clear vision at any distance. The patient claims that both of her parents are hypertensive, and likewise she is too. Clinical Findings The patient’s vision is 20/20 monocular and binocularly for both distance and near, with an interpupillary distance of 60/58mm and a pupil diameter of 4mm.All the patient’s ocular adnexae are within normal limits. Static retinoscopy reveals a gross finding of +2. 50 sph for both eyes and a net finding of +0. 50 sph. The fin dings enable her to achieve 20/20 vision. Upon refinement during subjective refraction, her final prescription is of +0. 50 sph for the right eye and +0. 25 sph for the left eye. The patient’s near point of convergence was measured at 8/13 which is within normal limits and with push-up amplitude finding of 12 cm or 8. 33 D. Corneal reflex testing showed a reflex located slightly nasally for the left eye and centered on the right eye.Upon further verification through alternate cover tests a slight amount of exophoria was revealed for both distance and near. Motility testing shows jerking in the patient’s smooth pursuit in all directions but smooth, accurate, full and extensive on saccades. Fundoscopic examination revealed that the internal eye for both eyes of the patient are well within normal limits and absent of any pathology. Phorometric testing reveals a habitual phoria for the patient measured at 2 xop for distance and 1 xop for near, with the same values for the induced phoria.The amplitude of accommodation of the patient was at 7. 75D which is a determinant that the patient does not need any correction for near vision Diagnosis: The patient has Facultative Hyperopia. Discussion: Various eye care professionals, including ophthalmologists, optometrists and opticians, are involved in the treatment and management of hyperopia. At the conclusion of an eye examination, an eye doctor may provide the patient with an eyeglass prescription for corrective lenses. Minor amounts of hyperopia are sometimes left uncorrected.However, larger amounts may be corrected with convex lenses in eyeglasses or contact lenses. Convex lenses have a positive dioptric value, which causes the light to focus closer than its normal range. Management: Full prescription should be given to the patient to aide her refractive error. References: American Optometric Association. Optometric Clinical Practice Guideline: Care of the patient with hyperopia. 1997. â€Å"Eye Health: Presbyopia and Your Eyes. † WebMD. com. October, 2005. Accessed September 21, 2006. Chou B. Refractive Error and Presbyopia. † Refractive Source. com Accessed September 20, 2006. American Optometric Association. Optometric Clinical Practice Guideline: Care of the patient with presbyopia. 1998. Kazuo Tsubota, Brian S. Boxer Wacher, Dimitri T. Azar, and Douglas D. Koch, editors, , Hyperopia and Presbyopia, New York: Marcel Decker, 2003 Roque, B. Refractive errors in children. November 2, 2005. â€Å"Frequently Asked Questions: How do you measure refractive errors? â€Å". The New York Eye And Ear Infirmary. Retrieved 2006-09-13.