Nursing Infomatics Assignment Example | Topics and Well Written Essays - 2000 words

Nursing Infomatics - Assignment Example Nursing informatics is concerned with the question, "How many times does a nurse have to click a mouse" (Giannini, 2010, p. 1). The need for nurses to be technologically savvy is more important than ever. Nursing informatics can help patients receive a better quality of care. Nursing informatics includes "how nurses gather and record information tohelp improve patient health care" (Giannini, 2010, p. 1). What does nursing informatics include Nursing informatics includes: "implementation of information technologyoptimizing information management and communication[and utilizing] electronic records" (Giannini, 2010, p. 1). Why is this included in the curriculum Nursing informatics should be included in the curriculum because all nurses in practice today should be familiar with how to use technology in the workplace in order to help their patients and make everyones' lives more efficient and easier. Whether it be use of an IV pump or an electronic thermometer, every technology makes things easier for the nurse and the nurse is always going to encounter technology on-the-job (Giannini, 2010, p. 1). This makes the necessity of including informatics in the nursing curriculum even more important. As technology changes, so does the field of nursing. ... 1). This makes the necessity of including informatics in the nursing curriculum even more important. The good informatics nurse "understands theory, implementation, [and] evaluating outcomes" (Giannini, 2010, p. 1). This is what the curriculum will teach the nursing student. As technology changes, so does the field of nursing. Although there is no way to predict what the future holds in technology, the role of the nurse in informatics is to continually be attempting to bridge the gap between technology and clinical practice, communicating with both arenas (Giannini, 2010, p. 1). So what lies in the future The future of informatics is to create a more efficient health care system with information technology, specifically: systems that are multi-layered so there are no separate electronic charts; synthesization and interfacing systems which are seamless; basic language within a unified system; and best practices in informatics (Giannini, 2010, p. 1). How can one expect a nursing student to benefit from taking this course The answer is simple: patient care will be improved. As one nurse said it best, "The more we have at our fingertipsthe better we are going to be able to take care of that patient" (Giannini, 2010, p. 1). C. How this Course Fits with the Philosophy of the Nursing Program and College as a Whole. Nurses today must be trained so that they are competent when they go out into the field. Nurses are often the "liaison between information technology and real nursing" (Giannini, 2010, p. 1). In order that competent nurses are trained properly with regard to technology, all nursing curricula should include a course on nursing informatics. A competent individual in nursing informatics is

Girl with a Pearl Earring Essay Example for Free

Girl with a Pearl Earring Essay In the novel Girl With A Pearl Earring by Tracy Chevalier, Griet faces many challenges which causes her identity to change. Though Griet starts out as an innocent maid who has to follow orders, she starts developing her own opinion and the ability to make decisions. Griet changes from an household servant to having the courage to share her opinion to a mature lady, capable of making her own decisions. Many factors contribute to the change in Griet’s identity, but the main factor is Vermeer, her master. At first, Griet is viewed as an innocent girl, who is compelled to work as an maid due to her father’s incapability to provide for her family. She does not want to leave her family and go to an unknown place, but she has to; in order to fulfill her family’s needs’. This is evident when Griet says to her sister, Agnes, â€Å" ‘You know I don’t want to leave. I have to’†(7). When she arrives at the Vermeer household, she is viewed as a helper with the household chores, and a girl who must follow her master’s orders’. Later on, she starts to consider the Vermeer household as her own family. ’I have two families now, and they must not mix’†(53). This quote demonstrates the fact that Griet is adapting to her environment, and that she has started considering them as her family. This illustrates a change in her identity, as she has changed from a compelled and scared young girl to a maid, capable of adapting to a new environment. Throughout the course of the novel, Griet starts developing her own opinion along with the courage to speak her opinion. At first, she just went along with what she was told: â€Å" ‘But he was my master. I was meant to so as he said’†(57). This demonstrates the fact that Griet completes tasks without thinking. Even if she wants to say something, she doesn’t, because she gives her opinion no importance. Griet always had the ability to recognize Vermeer’s paintings’ strengths and weaknesses, but she didn’t have the courage to say it. This changes, due to Vermeer, who forces Griet to give her opinion. â€Å" ‘It is a better painting now’†(64). This supports Griet’s change in identity, form being too scared to speaking her mind to having the courage to give her opinion to her master. Near the end, Griet’s identity has gone through the process of a young maid to a mature lady. At first, Griet’s opinion held no importance. She does not have a say in anything. This is evident when she says, â€Å" ‘ What would I think, madam? ’†(157). Griet has certainly developed an opinion, but not the courage to speak it in front of others. She is aware of her status as a maid. This changes throughout the course of the novel. Griet does develop the courage to take the decision of her life as well as carry it out. â€Å" ‘I did not pick up the knife. I turned and walked from the room’†(215). This quote illustrates Griet’s ability to make and carry out decisions. She is not going to tolerate any wrong accusations, and she has learned to take a stand for herself. This change occurs due to Vermeer and his art. Somewhere in between, Griet realizes that she has had enough, and she’s not going to let anyone come and accuse her of doing something she didn’t do. Vermeer and his paintings made Griet feel that she does hold importance, and no one has the right to accuse her wrongfully. Therefore, Griet’s identity undergoes a lot of changes throughout the novel. First, she is maid who is duty- bound to work in an unknown place due to her family’s needs’. As the book continues, she starts developing her opinion as well as the ability to say it. In the end, she is a mature lady with the capability to decide for herself. All of the changes are due to Vermeer. He was the one who accepted her and allowed her to give her opinion, and he was also the one who rejected her by silently standing there while Griet was being wrongfully accused.

Belt Drive Laboratory Exercise

Belt Drive Laboratory Exercise An investigation into the relationship between tensions in a slipping pulley and comparison of experimental and theoretical results 1. Summary The transmission of power across machines and systems in industry is vitally important and belt drives can provide this in a cheap but efficient form. In this experiment, a flat belt was attached around a pulley at four separate contact angles and the tensions both before and after the pulley were recorded as the mass was changed to investigate the belt tension ratio and efficiency of the pulley, and how this compared to theoretical results. The experimental and predicted results were found to be very similar, confirming the expectation that an increase in contact angle would cause an increase in belt tension ratio. Also, a peak efficiency of 67.95% was measured which was significantly lower than the average modern day efficiency of 95%.   2. List of Symbols Symbol Meaning  µ coefficient of friction between belt and pulley ÃŽÂ ± half vee belt angle ÃŽÂ ² angle of contact between belt and pulley T ­1 tension after pulley T2 tension before pulley mm millimetres N newtons V volts A amps g grams à Ã¢â‚¬ ° rotational speed rpm revs per minute ÃŽÂ · efficiency POUT output power PIN input power T torque Nm newton metres 3. Introduction Belt drives are a cost effective, easy to use devices designed for power transmission between machines or shafts. The origins of traction devices can be traced back as far as the Babylonians and Assyrians with flat belts, made of leather, becoming the main source of power transmission in factories during the industrial revolution. Although flat belts are still used today, the introduction of vee belts by John Gates in 1917 revolutionised short distance power transmission, being able to generate more power than a flat belt for a pulley of certain diameter. Modern belt drives are able to transmit power at an efficiency of 90-98%, averaging 95% [1]. Vee belts provided the opportunity for continuously variable transmission with their ability to work on pulleys of variable diameters, a useful advantage over other forms of transmission. However, the main disadvantage is the slip between belt and pulley which can limit the efficiency of the drive; the factors contributing to this are the belt profile, the friction and the amount of torque. This report investigates the relationship between the tensions in a stationary flat belt pulley and subsequently the torque and efficiency, comparing the experimental results with expected values calculated using the theory outlined below. 4. Theory Given the coefficient of friction  µ, vee belt angle 2ÃŽÂ ± and angle of contact ÃŽÂ ² (rad), the relationship between higher tension and lower tension in a slipping pulley, known as the belt tension ratio, is given by the following equation: [2] (equation 1) Given for a flat belt ÃŽÂ ± = 90 ° and knowing sin (90 °) = 1, this equation can be rewritten: (equation 2) It is this theoretical equation which the experimental results will be compared against in order to analyse the relationship between the belt tension ratio and coefficient of friction. 5. Method 5.1 Apparatus Belt drive system set up as shown above in figure 1, with the central pulley of radius 50mm and a load cell measuring with an uncertainty of  ­Ã‚ ­Ãƒâ€šÃ‚ ±0.005N. DC electric motor to provide initial rotational movement of the central pulley, measuring voltage (V) with an uncertainty of  ±0.05V and current (I) with an uncertainty of  ±0.005A. Masses, 100g each, to vary the load applied at the free end of the string Hand held optical tachometer capable of measuring rotational speed (à Ã¢â‚¬ °) of the pulley with an accuracy of  ±0.5rpm. 5.2 Procedure The free end of the string was placed accordingly to ensure the angle of contact, ÃŽÂ ², between the belt and pulley was à Ã¢â€š ¬/2. The motor supply voltage was set to 10V and it was made sure that the pulley was rotating in the correct direction by checking T2 > T1. The spring balance was zeroed before the minimum load, 100g, was placed on the free end of the string and a measurement for T1 recorded off the spring balance. 100g masses were then added individually until a maximum mass was applied and the value on the spring balance after the addition of each mass was recorded. These masses were then removed, the angle of contact changed, and the experiment then repeated for angles of à Ã¢â€š ¬, 3à Ã¢â€š ¬/2 and 2à Ã¢â€š ¬. The maximum mass was achieved when the motor was close to stalling but the voltage value still read 10V. When performing the experiment at the 3à Ã¢â€š ¬/2 angle of contact, values for current and pulley rotational speed were also measured after the addition of each 100g mass. The current (I) was measured by the digital multimeter while the rotational speed of the pulley (à Ã¢â‚¬ °) was measured using the hand held optical tachometer. 6. Results The tension after the pulley (T1) and the mass added to the free end of the string were recorded and collected in a table, which can be found in Appendix A. The values for the mass were converted from kg to N to give the corresponding tensions (T2). A graph of T2 against T1 (figure 2) was then drawn for all four angles of contact ÃŽÂ ². This experimental value was calculated from figure 3 to be 0.3269. Using this value and equation 1 for all four angles, a theoretical plot of the belt tension ratio was able to be produced and compared with the experimental results achieved at the four points, shown through figure 4. 7. Discussion It was expected that as the angle of contact increased, the value of T1 would decrease and therefore the value of the belt tension ratio would increase. It can clearly be seen from the experimental data points produced in figure 4 that the results from this experiment were as expected. Also from figure 4, an analysis of the experimental data points and the theoretical line of best fit shows a clear correlation between the two calculations, confirming the theory discussed during section 3 of the report. The slight differences found between these two forms of data, particularly at ÃŽÂ ²=3à Ã¢â€š ¬/2 where the largest error is found, can be accredited to systematic errors due to the measurements from the load cell. Observing figure 6, the motor efficiency shows a generally increasing trend though the curve begins to flatten out as T2 reaches 9.810N. This shows the relationship between torque and efficiency not to be linear but instead parabolic, demonstrating the idea of a peak efficiency at each contact angle. By differentiating the equation of the line of best fit we can calculate that the maximum efficiency is achieved at a torque of 1.627 Nm with this efficiency being 67.95%. This efficiency is significantly smaller than the modern day average of 95% stated in the introduction; this difference in values can be attributed to various factors affecting the calculations. Firstly, it was assumed that the motor driving the pulley was 100% efficient; in reality this would not be the case as there would be energy lost internally through friction, cooling systems and core losses. Secondly, this experiment was conducted using a constantly slipping flat belt as opposed to a more commonly used form of transmission such as a vee belt, where higher efficiencies would be anticipated. 8. Conclusion To conclude, the experiment outlined in this report was useful in demonstrating the relationship between tensions in a slipping pulley, successfully validating the theory from section 3 that belt tension ratio is related to angle of contact; as ÃŽÂ ² tends towards 2à Ã¢â€š ¬, the belt tension ratio tends towards a maximum due to an increased area of contact and consequently larger friction. In the experiment, a maximum efficiency of 67.95% was calculated at a torque of 1.627 Nm. The graph of efficiency against torque analysed in section 5 demonstrates a need to find the optimum torque of a system in order to achieve maximum efficiency from it. The findings from this experiment are statistically insignificant as the nature of the pulley does not correspond to common industry types. However, the experiment was useful in showing the basic relationships between angles of contact, belt tension ratio and efficiency found in belt drives and the effect slipping can have on the output of these systems. Appendix A Raw Data à Ã¢â€š ¬/2 à Ã¢â€š ¬ 3à Ã¢â€š ¬/2 2à Ã¢â€š ¬ Weight (kg) T2 (N) T1 (N) Current (A) Speed (revs/min) T1(N) T1(N) T1 (N) 1.0 9.810 5.80 3.8 1218 3.40 1.70 0.9 8.829 5.20 3.5 1239 3.05 1.50 1.15 0.8 7.848 4.60 3.2 1256 2.70 1.35 1.00 0.7 6.867 4.00 2.9 1280 2.40 1.15 0.90 0.6 5.886 3.45 2.6 1308 2.05 0.95 0.75 0.5 4.905 2.85 2.3 1340 1.70 0.80 0.60 0.4 3.924 2.25 2.0 1370 1.35 0.60 0.45 0.3 2.943 1.65 1.7 1399 1.00 0.40 0.35 0.2 1.962 1.15 1.3 1429 0.65 0.25 0.25 0.1 0.981 0.5 1.0 1470 0.30 0.10 0.10 [1] Carlisle Power Transmission products, Inc., Energy loss and belt efficiency, [Online]. Available: http://www.clark-transmission.com/images/pdf/carlisle/energy_loss_and_belt_efficiency.pdf. [Accessed 9 February 2016]. [2] J. Darling, ME 10010 Solid mechanics 2 Belt Drive Labratory Exercise, University of Bath, 2016. [3] University of Geulph, Department of Physics, What is torque?, [Online]. Available: https://www.physics.uoguelph.ca/tutorials/torque/Q.torque.intro.html. [Accessed 16 February 2016]. [1] PIX Transmissions Limited, Belts Brief history and types, [Online]. Available: http://www.pixtrans.com/blog/belts%E2%80%93brief-history-and-types.html. [Accessed 9 February 2016]. [2] Groschopp, Efficiency and losses in electric motors, 24 March 2015. [Online]. Available: http://www.groschopp.com/efficiency-and-losses-in-electric-motors/. [Accessed 10 February 2016]. [3] Habatec, Introduction to the power transmission flat belt drive, 2011. [Online]. Available: http://www.habatec.net/HNet/HabaTEC.nsf/vwWebContent/FF5800BDAD1854E0C12571CA0028442B?OpenDocument. [Accessed 10 Feb 2016]. [4] IHS Engineering360, Flat belt pulleys, [Online]. Available: http://www.globalspec.com/learnmore/motion_controls/power_transmission/flat_belt_pulleys. [Accessed 15 February 2016]. [5] J. Darling, ME 10010 Solid mechanics 2 Belt Drive Labratory Exercise, University of Bath, 2016. [6] V. R. Chennu, Belt drives types, advantages, disadvantages, 31 October 2015. [Online]. Available: http://me-mechanicalengineering.com/belt-drives-types-advantages-disadvantages/. [Accessed 15 February 2016].

Summary of Monster by Sanyika Shakur Essay -- Sanyika Shakur Monster G

Summary of Monster by Sanyika Shakur Growing up in a world of gangs, death, and suffering Kody Scott, also known as Monster Kody, grew up in a life of struggle. From eleven years old Kody knew what he wanted a to be, a gangster. Nothing could stop him from becoming one of the most feared gang member of the late 1970?s and early 80?s except maybe his own conscience. Kody Scott goes through an evolution, from a child to Monster Kody to finally Sanyika Shakur, his Muslim name. Sanyika Shakur is a true survivor, considering everything that has taken place in his life he has managed to make something of himself from nothing. Kody Scott was born into the gang life weither he liked it or not. Born on 1963 in South Central Los Angeles Kody?s life would be affected by the growing number of gangs inevitably. Kody knew he had a choice to be made, be a gang member or be a pedestrian. He viewed pedestrians as spineless nerds who were always victims of someone?s ridicule or physical violence, who never responded to an affront of any type. He himself had a taste of pedestrian life in grade school were he was picked on and had his lunch money taken from him. ?Early on I saw and felt both sides of the game being played where I lived. It was during my time in elementary school that I chose to never be a victim again, if I could help it?(Shakur 100). Being in a gang gave Kody a feeling of security in a city of violence. ?I felt very different, older, more attached than any of...

Costa Rican Dress

Costa Rican clothes are similar to most Central and South American countries. There clothes were developed by the Climate of Costa Rica. Costa Rica Clothing today is separated into two groups traditional cultural clothes and modern clothing. Costa Rican traditional dress is used for traditional practices. Most of the cultural dress has layers. This is because of the climate of Costa Rica. You never know when it is going to rain because of its varied climate. Traditional dress is only worn on special occasion such as when they dance. Both women and men have different style of traditional clothing. Usually the clothes are the colors of the Costa Rican flag which are red, blue , and white. Mens dress is very simple but elegant. Mens traditional costume usually have a few different things. The pants are a solid color which usually is blue or tan. They usually wear a white button down shirt. Then around the waist they wear a red cummerbund which is like a sash. Around the neck of the man they would wear a kerchief tied around it. Then on their head they would wear a â€Å"chonete† which is a traditional type of Costa Rican hat. A Chonete is like a straw cowboy hat. Usually men in Costa Rica will not really wear shorts on a day to day basis but only to the beach despite the tropical weather of Costa Rica. Today in the fields Men still wear the traditional dress. Women's traditional dress has a few important characteristics. The dresses are usually tailored in a special style. All traditional dresses have thick ruffles that start at the shoulders and go out all the way down the dress. The dresses have no sleeves to cover the arms. They are usually the colors red,blue,and yellow. Another type of Costa Rica dress has a long ruffled skirt. This is usually made in shinny colored fabric. A white shirt is usually worn and a red cummerbund connects the dress at the waist. To top off all these wonderful dresses a flower is usually placed in the ear of the women.

The Use of Solar Energy Should be adopted in All States

The Use of Solar Energy Should be adopted in All States Since the historic times, the sun has played a pivotal role in the existence of life on this world. Both man and plants have benefited from this vital resource. Adequate exposure to the sunrays has beneficial health effects to people. And, plants, which humans ultimately feed on, manufacture their food through the use of sun rays.Advertising We will write a custom essay sample on The Use of Solar Energy Should be adopted in All States specifically for you for only $16.05 $11/page Learn More Nonetheless, with the increased depletion of fossil fuels, it was not until the twentieth century that the uses of the energy from the sun were exploited. One of the most common uses of sunlight is its conversion into electricity using photovoltaic cells to generate electric energy for operating various appliances. The use of solar energy should be adopted in all states because it is a renewable energy source, environmentally friendly, cheaper in the long run, and are not limited to geographical constraints. The use of solar energy has been emphasized in some states in the U.S. because it is a renewable source of energy. States like California, New Jersey, and Colorado are at the forefront in promoting its use as a source of energy generation (Pisani, 2009). The emphasis on renewable sources of energy has been enhanced by the fact that the limited world’s resources are increasingly being depleted; thus, the states have adopted the use of solar energy so as to assist in the conservation efforts (Wanamingo, n.d.). Compared to other energy sources, sunlight is very efficient because we do not need to worry that it is going to be depleted. Sunlight is a constant source of energy that is present on a daily basis; thus, it is impossible to use it all up. Humankind has milked the planet’s vital energy reservoirs without caring for the needs of the generations to come in future. Although the price of has oil has escalated greatly, the worldâ⠂¬â„¢s thirst for oil has never been quenched. It is approximated that if the current trend is not controlled, then the world’s need for oil is expected to increase by more than 60% within the next twenty years.Advertising Looking for essay on environmental studies? Let's see if we can help you! Get your first paper with 15% OFF Learn More Thus, adoption of the use of solar energy should be propagated. It is possible, and as the three states have found out, sunlight will be available even after the non-renewable energy sources have been exhausted from the face of the earth. Investigations have revealed that the cost of electricity in the United States has been increasing at an approximated rate of 6.5 percent every year for the past thirty years (Peter, 2005). This implies that the tremendous increase in the cost of electricity may result in unprecedented price increases in consumer power bills. Moreover, the high cost of electricity will lead to incre ase in the price of related consumer goods and transport costs. Consequently, the high cost of living can lead to tensions and turmoil as people protest against the high prices. Production of electricity by the use of conventional non-renewable resources has led to environmental problems as thousands and thousands of dangerous substances are being released to the atmos phere (Brooke, 1992). Thus, the adoption of solar energy will stop these increases, as it will be an alternate cheaper energy source. Further, its use will reduce health costs of individuals, as it is environmentally friendly. Carbon dioxide and other dangerous bi-products emissions have resulted in breathing problems in people, acid rain, increase in global temperature, and other environmental problems. Therefore, if no efforts are made to turn to less destructive means of energy generation, then the destruction of our planet is imminent. It is without doubt that the world’s consumption of energy far exceeds t he amount that is supplied. Thus, the solution lies in the use of sunlight for energy generation. It is not possible for the grid to adequately provide for the increased need for power that has arisen due to growth of industries and increase in the human population. Currently, power failures take place almost on a daily basis. This is why the steps that some states have taken to have their energy supplied from the sun will make them to offset utility-supplied energy consumption.Advertising We will write a custom essay sample on The Use of Solar Energy Should be adopted in All States specifically for you for only $16.05 $11/page Learn More Energy from the sun is able to meet adequately the world’s thirst for power because it is able to provide electricity even in the event of a power outage and it is independently available. Solar energy does not require to be connected to a power or a gas grid for it to function; thus, it can be installed even in the remotest parts of the country. Further, the energy from the sun is able to meet the world’s demand for energy because it lowers the dependence on centralized energy sources that are often affected by the occurrence of natural disasters or wars and it is able to add our planet’s sustainable future. Thus, because of the advantages aforementioned, solar energy is an efficient way of generating energy. For example, the world largest solar factory in Japan has been efficiently generating energy using sunlight to cater for its needs (MSK Corporation, 2010). To achieve this, the company uses state-of-the –art equipment that maximizes the production of solar energy while minimizing the installation space of the solar panels. This illustrates that the efficient production of solar energy is still possible regardless of the extent of land available. Some individuals maintain that the idea of tapping the energy from the sun is costly due to the high costs involved in inst alling the solar panels. However, it is important to note that in the long run, solar panels save money or are ‘free’ once the set up process has been done (Hirschmann, 2006). Worth mentioning, the recovery period for the investment is shorter for a household or a company that uses more electricity on a daily basis. Further, solar panels are less costly since they do not need any fuel for their operation; therefore, they are not affected by the fluctuation of world oil price. Therefore, the benefits of solar energy can only be experienced if every state were to adopt its use.Advertising Looking for essay on environmental studies? Let's see if we can help you! Get your first paper with 15% OFF Learn More Some states in the United States have argued that the installation of solar energy devices require a lot of space in order to function effectively. However, the limitation of space to accommodate the devices can be surmounted effectively through developing creative initiatives. Some of these include attaching grid-connected solar panels upon utility and light poles, using extra space in premises to accommodate the devices, and installing solar panels on the roofs of buildings. Thus, space cannot be a reason against the use of solar energy for energy generation. Further, the difficulty that is often cited that solar energy cannot be produced at night can be surmounted by having an effective battery backup system or through practicing net metering. Because the level of efficiency of the solar panels relies on the direction of the sun, installing certain components in them will make sure that they function optimally in a variety of conditions. To this end, it is evident that the use of solar energy should be adopted in every state in the United States because its benefits are far-reaching. It is estimated that even if the U.S. could get only forty minutes of sunlight per day, it is able to generate more energy than all the oil it uses in a year. Thus, the use of energy from the sun is able to provide renewable sources of energy, adequately meet the increased demand for energy, save money, protect the environment, reduce utility-supplied energy consumption, and enhance the affordability of energy. This calls for the adoption of the use of solar energy by all the states in the U.S. to inform the whole world about the advantages of this natural renewable source of energy. References Brooke, B. (1992). Solar energy. New York: Chelsea House. Hirschmann, K. (2006). Solar energy. Farmington Hills, MI: KidHaven Press. MSK Corporation. (2010). Worlds Largest Solar Factory Opens in Japan. CBS Interactive. Web. Peter, K. (2005, Sept). Here Comes the Sun: Solar Energy Is Bec oming More Attractive For Mainstream Consumers. Affordable solar power. Web. Pisani, J. (2009). New Jersey Outshines Most Others in Solar Energy. CNBC. Web. Wanamingo, E. S. (N.d.). Solar energy. Teen Ink. Web.