Nature Presented in Multiple Ways Research Paper

Nature Presented in Multiple Ways - Research Paper Example Nature has been said to inspire awe, it has been cited as having all the power and has been seen to be filled with a beauty that can only be referred to as being dangerous. Nature has also been said to have fences which humans being cannot be able to transverse, whether the task is too daunting for the emotions or impossible for the physical body. "For my part I feel that with regard to Nature I live sort of a border life, on the confines of a world into which I make occasional and transient forays only. . ." (Thoreau, 1862) This seems to be the notion that Thoreau tended to exemplify in â€Å"Walking†. Thoreau further said that due to these confines of nature, human beings were more or less insignificant and that their existence amidst the very nature was largely untenable. Nor need we trouble ourselves to speculate how the human race may be at last destroyed. It would be easy to cut their threads any time with a little sharper blast from the north. We go on dating from Cold Fridays and Great Snows; but a little colder Friday, or greater snow would put a period to man's existence on the globe (Thoreau, 1862). The sentiments expressed by Thoreau are largely drawn from the belief by Jonathan Edwards that nature has the forces in which God aims to show his glory to mankind. Therefore, in case we go against what nature desires from us, then it can be ruthless. Here, human beings are being cautioned to appreciate nature and to follow the rules of natural justice. Among the many qualities of nature is its elusiveness. Thoreau and Emerson claim that many people lack the capacity to grasp the massiveness of nature. In many cases, nature, excluding what people perceive physically is considered infinite. There is a thrill therefore in chasing the elusiveness of nature in attempting to understand its dynamics and it a bid to discover what others have not about it. Although both philosophers felt that they were so close to reaching the periphery of nature, they could not quite do that but this only aided in their push for that elusive fact that would tell them apart from the others. The enigma of such an endeavor can only be

Proper Conduct in a Classroom Essay Example for Free

Proper Conduct in a Classroom Essay Being respectful in class is important to the social structure of the educational environment. Without a certain degree of respect it would distract a lot of our valuable attention, and direct it away from our daily learning. This greatly would hinder our learning abilities and minimizes our educational benefits. The dilemma that we face is that a lot of student to not know how to present the proper behavior in class. The good thing is good classroom educate is an easily obtainable skill, but a perishable skill as well  before we learn how to demonstrate good classroom behavior; we must first learn the benefits of good behavior. Disrespect in class causes havoc and disorderliness. For instance If one were to speak out of turn not only would it upset the follow class mate because they did not get a fair chance to speak, but it would give the impression that other people can speak out of turn as well. If ever one spoke out of turn there would be no way to accomplish any thing. There will be too many interruptions, and some students will miss the opportunity to express their ideas. Respecting other and proper educate is the only way to keep order in the classroom. So how do we establish order in the learning environment? It is too simple. It is vital to speak when called upon, so students can get a fair chance to express their ideas, and solution. Plus this helps to alleviate distracts and annoyances. Talking out of turn is not the only distraction. Students should not get up, or leave on their own accord as well. However it is acceptable to ask to be excused. It is also important to be mindful of other pupil’s thoughts, ideas, emotions, and feeling. Spite, and animosity just agitates the concept of learning. Students should give each other constructive criticism, and listen to each others thoughts. It is also important to address the instructor by title (Mr., Mrs., Ms., Miss., Dr., Prof., Sir, Ma’am.), and address all your comments, concerns, and questions towards the instructor in a polite manner. Respectful behavior in classrooms is easy. However just as easy as it is, it is even easier to forget to utilize this skill. One must make a habit of  being respectful. It is a system you must employ on a day-to-day basis. If followed the method and example of classroom educate I have previously displayed will help make a more relaxing, and less stressful learning environment.

Evaluation of Balancing Circuits Used in Battery System

Evaluation of Balancing Circuits Used in Battery System CAREER EPISODE 2 2.1 INTRODUCTION My second career episode describes my project that is called Evaluation of balancing circuits used in battery system. This project was completed as a part of my minor thesis in the fulfilment of my masters degree program from Swinburne University of Technology, Australia in December 2016. I completed my masters degree in electrical and electronics engineering science. It was completed under the supervision of Prof. Weixing Shen, senior lecturer at the university. And was also supported by Prof. George Banky. 2.2 BACKGROUND Electric vehicle which operates on battery doesnt operate on a single battery as sufficient energy is not supplied through it. Thus, many batteries that are either connected in series or parallel are required for the generation of required voltage and current for the system to function. The difference in the cell voltage of the stack reduces the string capacity and hence a system is required that will be able to achieve and maintain the voltage and current that is required by the system along with considering the issue of reliability and performance. For this purpose, a BMS is used. Battery Management System (BMS), which can oversee the voltage and the current level and can also charge the battery. 2.3 The main aim and goal behind implementing this project was to design a 48V battery stack power system that consists of 12 lithium ion battery cells. The monitoring and supervision of each cell operation and voltage level and its charging status can be done with the help of LTC3300-1/LTC6803-2 bidirectional cell balancer along with the BMS system. It also considers the safety concern of the batteries that are used. And the other objective behind implementing this project was to understand LTC330-1/LTC6803-2 bidirectional cell balance kits performance along with checking its results based on QuikEval software and DC590B USB serial controller when connected to the computer. 2.4 The idea is to balance the voltage supply of the cells so that it provides constant battery voltage to the shelter of the electric vehicle. The overcharging of the battery results in voltage battery degradation and can have consequences like it may catch fire or explosion. Whereas undercharging of the cell or having voltage under the required level may affect the life of the cells. So, I have made use of lithium ion batteries which are then further connected to LTC3300-1/LTC6803-2 bidirectional cell balancer that would assist in achieving the required voltage level of the cell and it can also help in increasing the life of the cell or battery long with providing the supply voltage of EV. 2.5 The project was completed in a group of two. And I took the opportunity to become the team leader. I first involved with my supervisor in planning the topic and how to start working on the project. Based on that I prepared a flow chart in which all the major task was divided and assigned among team member along with a deadline so that the final project gets completed in time and there will be time for troubleshooting. After deciding the topic and assigning task, I made myself busy with researching and with literature review of the topic by referring various journal, books, and internet material. The later part was designing and implementing the hardware structure along with its software part for its functioning. I had to weekly report to the Professor about my project update and took feedback on my project which helped me improve a lot. Weekly meetings with the supervisor was either done through emails or small presentations. 2.6 PERSONAL ENGINEERING ACTIVITY I started my project with literature review on cell balancing where cell balancing is a process that involves adjusting the cell voltages to same level i.e. where the battery cells are not over charged or over discharged. Also, its internal parameters are the reason for its unbalance like its time of manufacturing, internal resistance etc. It also depends on some of the external resources like thermal difference between battery cells. The process of battery balancing in lithium ion batteries is an easy process due to its property of charge-discharge capability. It also provides increased life span and the right voltage for its application. After understanding the concepts that were going to be used in my project I started performing research on the components that could be used for my system. It took lot of survey and suggestions were taken from seniors and lecturer about it. and later I finalized the following hardware components that suited best for the project. 2.7 1. Lithium ion (Li-ion) batteries this battery was used due to its high-energy efficiency and has relatively longer battery cycle life which is an important feature for my system as the electric vehicle requires battery than can store more as well as can frequently recharge. Basically, there are two parameters that affect the overall performance of the battery. They are power and the battery diving range. 2. LTC3300-1/LTC6803-2 bidirectional cell balancer    for cell balancing and monitoring purpose I made use of two ICs that are functioning as bidirectional cell balancer. Active balancing principle is used by BMS. The two ICs are LTC3300-1, which can balance 6 cells whereas the LTC6803-2 microcontroller IC can support 12 cells when connected to each other in series connection. The function of LTC3300-1 is to equalize the SoC i.e. state of charge when the battery modules are connected in series manner. It can charge the battery stack faster and extent the runtime and enhancing the overall performance by cell balancing and charging. Moreover, this IC can balance 6 cells connected to each other in series when it functions as transformer based on bidirectional active balancing system that has synchronous fly back topology. Looking at the other IC i.e. LTC6803-2 is also a microcontroller IC that can support up-to 12 batteries connected in series connection. It uses different chemical ma terial than the other IC for monitoring the batteries. It gives more accurate results and low error rate, as low as 0.25% of total. It generally operates in three modes: measure, shutdown and standby. 3. DC590B USB serial controller it is a kind of controller that is specially designed using QuikEval software for display and demonstration of the results and for technologies involving linear family circuits. It is a controller that is based on USB. It is generally isolated or separate from the host computer. So therefore, no external or additional power supply is needed to drive the controller. 4. Power supply GPS18500 instrument is one of a kind device which is used in my system as for this project a DC power supply of +5V is required externally to drive the unit. This power supply has many different configurations that include variable voltage and fixed voltage. It has the feature of supplying 2 different power supply which can work and be used independently. In this device, a slot that gives out fixed supply of +5V DC is provided to the LTC3300-1 bidirectional PCB. 2.8 After having finalized the hardware components, they were implemented on the evaluation board. The diagram attached shows the circuit and hardware connection for this project. It can be observed that a DC2064A GUI evaluation board, 14 conductor ribbon cables, computer that has QuikEval software installed and USB/serial port cable along with DB590B USB series controller is been used and a power supply of +5V is supplied externally using the GPS18500 device discussed earlier. Various precaution and safety measure was considered while connecting all the different components to the evaluation board. This was done precisely and carefully as any wrong connection made, it can damage the whole circuitry and the cost of application will increase indirectly. The two ICs LTC3300-1 and LTC6803-2 are soldered or wired to the evaluation board DC2064A GUI along with the capacitors, MOSFET and transformers. The voltage level and the temperate can be monitored with this circuit board and has the capability to balance the cell voltage. This board also has a special feature of advance fault detector that helps to secure the performance of the board in case of any spark or short circuit. 3.7V and 2600mAH configured lithium ion battery is used in my system. Thus 6 batteries giving a output voltage of 22.8V when connected in series are used on the board as the board can withstand a maximum of 12 batteries for balancing. 2.9 After successful implementation of the hardware, testing and trouble shooting was performed. For that a QuikEval software was used to monitor the battery stack. To use the software, it had to be configured accordingly for both the microcontroller ICs that were used in the system. After proper implementation, the screen looked as below. From that it can be depicted that the when we press the button called START CONTINUES READ CELL, voltage level can be retained and measured from each battery connected in the battery stack. From performing the test run, I found the cell voltage for each cell was almost 3.7V. But if there is any minor change in the voltage level of any cell it can be equalized by transferring cell voltage manually for 5sec and charge the required cell by discharging other cells with high voltage to get an equilibrium stage. All the charging/discharging or any error situation status can be seen on the screen as that status will be highlighted. 2.10 The struggle in implementing this project was getting the expected outcome. It different the actual outcome. It took many efforts, there were issues like the hardware didnt receive any signals from the software. The problem was solved by reconnecting few hardware wires. Also, it required changing the voltage level of the components by choosing higher level components. After the final configuration, the hardware received the signal and the voltage level of each cells were determined. The later challenge was the important task and the main idea of our project i.e. cell balancing by voltage levels. The output was taken and written down at each time for charging/discharging function and the experiment was carried out until the satisfied result was attained. There were times when I didnt get the desired result even after performing the experiment several times. During this phase, my faculty members and supervisors helped me a lot and gave me steps or hints on how I can solve the error. 2.11 SUMMARY To conclude, my project used 3.7V lithium ion battery that has 2600mAH of capacity for active cell balancing technique while making use of two microcontroller ICs configured on evaluation board. The transfer of charging from one cell to another is done using the six lithium ion batteries that are connected in series on the evaluation board. Along with that the software QuikEval was used to trace the output. The project has an open window in terms for expansion for future project work based on this system. This project can be used for self-controlling function to detect faulty or imbalance situation in the system along with capability for temperature measurement unit. Though I could only achieve partial results from my experiment as it varied from expected outcome. But this experiment helped me in many other ways. It taught me to handle complex circuits and outcomes, though I didnt partially achieve what I expected from this but it gave me the strength and knowledge on how to overcome such situations. It was a new learning experience by working in groups and team mates. It involved managing different views and coming to one conclusion before implementing the idea. Also, I had the opportunity to apply my previous engineering knowledge into this project.

neon Essay -- essays research papers

Did you know that neon is a Greek word that means "new"? Neon is the element that I am most interested in. I chose to do neon because I found out what many uses it has in our daily life. Neon is the element that allows you to watch TV. Without neon we would never see the cool flashing signs outside of diners and bars. In my essay I am going to tell you about neon and its many uses. First, I'm going to tell you about the history and uses of neon. Neon was discovered by Sir William Ramsay, a Scottish chemist, and Morris M. Travers, an English chemist, shortly after their discovery of the element krypton in 1898. Neon is one of the most amusing elements used today. Neon mixed with some other elements can make a bright light in an enclosed tube. This is mostly used in advertising signs (figure A) (A blue or green coloration in the discharge can be done by adding a little mercury to the neon in the discharge tube), but when used in a different mixture of molecules it can make the figures on your TV (figure B). Neon is also used in High voltage indicators (figure C) and neon-helium laser pointers (figure D). Now I?m going to give you the chemical breakdown of neon. Neon?s atomic number is #10. Neon has 10 protons, 10 neutrons, and 10 electrons. It belongs to the Noble Gas section of the periodic table. Its atomic mass is 20.1797. All the noble gases have the maximum number of electrons possible in their outer shell making them stable and un...

Gene Therapy and Cancer :: Genetics Science Technology Medical Essays

Gene Therapy and Cancer In 1997, an estimated 1.38 million Americans will be newly diagnosed with cancer (Blaese, 1997). The treatments available only cure half of them. Many new strategies, including gene therapy are in developmental stages for treating cancer. Nearly half of all gene therapy trials currently under way deal with cancer and experts believe a number of these applications will be in use within the next three to five years (Lyon, 1997). Cancer is considered a genetic disorder. Studies have identified a small number of genes that must be mutated to bring about development of cancer or maintain the growth of malignant cells (Klug, 1996). Two main properties of cancer are uncontrollable cell division and the ability to spread or metastasize. Both are results of genetic alterations. Mutations in the cells that lead to certain forms of cancer, can be identified as inherited in some families. In most cases, however, it is difficult to identify a simple pattern of inheritance. There are two ways to regulate cell division. One way is with tumor suppressor genes, which usually function to inactivate or repress cell division. These genes or their products or both, must be inactivated sporadically for cell division of take place. If they are permanently inactivated or lost through mutation, uncontrolled cell division occurs. Another way cell division is regulated is by proto-oncogenes, which usually promotes cell division also. These genes can be in an "on" or "off" mode and when in the "on" mode, cell division is promoted. When the genes or their products or both are inactivated, cell division is stopped. If they are permanently switched "on", cell regulation is stopped and tumor formation begins. Oncogenes are the mutant form of proto-oncogenes. An example of a transformation of a proto-oncogene to an oncogene is the p53 gene, which encodes a nuclear protein that acts as a transcription factor. The p53 gene is usually a tumor suppressor gene that controls passage of the cell from one phase of mitosis to another. The mutations in p53 gene are estimated to be associated with over half of all cancers. The most prevalent cause of death in cancer patients is metastasis, where cancer cells detach from the original tumor site and settle elsewhere in the body, to grow and divide producing another tumor. There are two kinds of tumors, benign and malignant. Benign tumors can be removed and usually do not return.

Promote Positve Behaviour

1. Identify types of challenging behaviour.There are many types of behaviour that can be described as challenging. Examples of these include: self-injury (eg head banging, self-biting, skin picking)  physical aggression or violent behaviour (eg punching, scratching, kicking, biting, pulling hair) verbal aggression (eg threats, insults, excessive swearing)  disruption and destruction of property or the environment (eg ripping clothes, breaking windows or furniture) racist or sexist behaviour.Stereotyped behaviours (eg rocking, spinning, hand flapping) inappropriate or unacceptable sexual behaviour (eg masturbating in public, touching others inappropriately or showing pornography) smearing and urination (eg smearing faeces, urinating in inappropriate places) stealing (eg taking possessions/food that do not belong to the individual) manipulative, deceitful and non-compliant behaviour (eg refusing to move, refusing to engage in an activity despite being able, telling lies) absconding (eg leaving school/home/residential service without permission).3. Explain the steps that are taken to maintain the dignity of and respect for an individual when responding to an incident of challenging behaviour. Children must always be treated with dignity and respect with. This may be difficult when their behaviour is threatening to their peers or members of staff, however it is essential to remember that it’s the behaviour that is adverse and not the YP. When challenging the behaviour it is important to disapprove of the negative behaviour, not the individual.Should the situation require reactive strategies, it is important to uphold best practise and continue to treat the YP in a child centred way, according to their placement plan, risk assessment and positive handling plan, paying attention to the YP faith, beliefs, culture while maintaining dignity. For example, when holding a YP, ensuring that the hold is not intrusive, especially to private parts of the body. Shoul d the YP clothes ride up, for staff to inform the YP that they are about to adjust their clothing. It is important to maintain dignity and respect when recording the incident. Not  using a derogatory tone when referring to the YP, instead recording in a way that describes the negative behaviour displayed by the YP.

Legal Study Guide Essay

* | ChemoCorp, Inc., makes and sells pesticides. If a substance is identified as harmful and the harm is imminent, the Environmental Protection Agency canAnswer| | | | Correct Answer:| b. conduct an inspection of ChemoCorp’s plant.| | * Question 2 | | | Fabio makes a living by farming near Gastric Combustibles, Inc., which has discharged pollutants into the area’s air and water. In a suit by Fabio for an injunction against Gastric on the ground of nuisance, the court is most likely to rule in Gastric’s favor ifAnswer| | | | | | | Correct Answer:| c. Gastric’s operation is the core of the local economy.| | | | | * Question 3 | | | Fried Food, Inc., operates a commercial frying plant, discharging pollutants into the air. Greg reports the violations to the Environmental Protection Agency. GregAnswer| | | | | | | Correct Answer:| b. may be paid up to $10,000.| | | | | * Question 4 | | | Congress enacts air quality legislation. To implement and enforce this law, as is typical of other environmental statutes and regulations, the federal government will most likely rely onAnswer| | | | | Selected Answer:| a. all levels of government.| Correct Answer:| a. all levels of government.| | | | | * Question 5 1 out of 1 points | | | Industrial Solvents, Inc., averages $15,000 profit per day before deciding to ignore air pollution standards, after which the average is $30,000. Industrial Solvents is subject to a fine ofAnswer| | | | | | | Correct Answer:| a. $30,000 per day.| | | | | * Question 6 | | | Quickly Motor Company makes the Rock, a new model of sport utility vehicle, and sells it at the market’s lowest price. The Rock does not, however, satisfy federal emission standards and Quickly fails to maintain relevant, required records. The Environmental Protection Agency may assessAnswer| | | | | | | Correct Answer:| a. civil penalties, additional fines, and criminal penalties.| | | | | * Question 7 | | | Under the Marine Protection, Research, and Sanctuaries Act (the Ocean Dumping Act), Bayside Chemical Company may dump its chemical waste into the oceanAnswer| | | | | | | Correct Answer:| b. not at all.| | | | | * Question 8 | | | Truckers Storage Depot, a private company, wants to build a warehouse on private land. For this action, an environmental impact statement isAnswer| | | | | | | Correct Answer:| c. unnecessary.| | | | | * Question 9 | | | Consolidated Trucking Company transports radioactive materials. Darla suffers from cancer. To succeed in a suit against Consolidated on the ground of strict liability, Darla must show that her injury was caused byAnswer| | | | | | | Correct Answer:| d. Consolidated’s operation.| | | | | * Question 10 | | | Fruitful Garden Company makes and sells pesticides. For the pesticides to remain on the market, the acceptable level of risk to people of developing cancer from exposure to the products isAnswer| | | | | | | Correct Answer:| a. one-in-a-million.|