The guest worker program and immigrants Essay Example | Topics and Well Written Essays - 1250 words

The guest worker program and immigrants - Essay Example After one and a half years of temporary residency the individual can apply for permanent legal rights by demonstration of minimal knowledge of English language, US history and administration. If the guest worker program is legalized the government would require to create and grant 200,000 two year visas every year. In this context, it may be noted, â€Å"As of November 2, 1989 2,059,600 persons of all nationalities had been approved as temporary residents among 3,031,166 who had applied for legalization and had received preliminary processing, only 115,646 applications had been denied, 612 cases had been terminated and 855,300 are pending.†. The guest worker program was introduced in United States in 2004 to attract the much-needed labor at that time in different industries. This program aimed at improving the lives of the immigrants in the United States by offering them opportunities open in the country. Under this program the job positions that remain unfilled by the America ns can be offered to the immigrants who have valid work permit. The system required the employers, contributing to the guest worker program, to register the non-American employees hired, such that the government could maintain a record. This policy helped in filling up the positions that did not attract the American Workers. This program helped in registrations of many immigrants. The government provided permits to the immigrants participating in the Guest worker program, for a period of three years, after which the permit was renewed if the certain requirements were met.

Practitioner Values in Dementia - Portfolio 3 Essay

Practitioner Values in Dementia - Portfolio 3 - Essay Example These systems are derived on the bio-psychosocial inquiries which addressed the holistic needs of the people receiving dementia care. Barker (2008, p. 297) identifies the different systems in dementia care and includes the following: biological system, psychological system, family system, health and social care system, cultural system, and sociopolitical system. These systems safeguard and promote the ethical wellbeing of people with dementia in various ways. The biological system focuses on the current condition of the people with dementia, their primary caregivers, and family members. It ensures effective care and functioning by addressing the different life needs and its processes. For instance, people with dementia may have alterations in cognitive functions and the physical manifestations cannot be cured but can be controlled. Likewise, the primary caregivers or family members of people with dementia should be physically fit when planning for dementia care as the projected level of stress can sometimes lead to burnout. The psychological dimensions of people with dementia, their primary caregivers, and family members are also affected. Having dementia and caring for people with dementia do not only cause physical exhaustion but emotional stress as well. It is often traumatic for the family members to find the diagnosis and dementia as it may bring back the emotions inclined with birth, life expectancy, and disability of the person. Family system centered on roles, rules, boundaries, and the family life itself. To promote the ethical wellbeing of the families with/caring for dementia, family-centered services must be designed and implemented according to the needs, beliefs, and perspectives of the family (Royal College of Psychiatrists, 2009, p. 40). In Asian countries, family members believe that it is their responsibility to care; thus, it would be very difficult and humiliating for them to accept support in dementia care. However, the family has the right to be informed of existing services and support groups that would aid in adaptation and financial matters such as the Dementia Support Groups and Alzheimer’s Society. Health and social care system encompass all aspects of health and social provision of care, including the financial aspects. According to (http://www.alzheimers.org.uk, 2013), it is not only important that we adhere on minimum standards of care; rather, we should promote high quality or personalized care. The Dementia Care Program is an example of health and social care system that deliver high-quality relationship-based care and support for people with dementia. It involves collaborative efforts from different professionals such as staff from geriatrics, elder services, behavioral health, neurology, and dementia education (http://mayoclinichealthsystem.org/, 2013). The Dementia Care Program aims to address the different needs of both the family and the person with dementia and to aid in the progression of the disease. As stated earlier, dementia care must be personalised. It must consider the cultural system or the religious beliefs and customs of those concerned in dementia care. It has been found by the Royal College of Psychiatrists (2009, p. 41-42) that ethnicity affects dementia care and very few enjoy the support of extended family networks. The role of ethnicity in clinical experience

Hydrogen Gas Lab Essay Example for Free

Hydrogen Gas Lab Essay * For the mass, an uncertainty of0.01g was used, as the uncertainty was stated on the weighing machine. * For the volume, an uncertainty of0.05mL was used, as it was half the smallest increment on the graduated cylinder. * For the temperature, an uncertainty of0.5 was used, as it was half the smallest increment on the thermometer. Sample Calculation Converting mL to L Data Processing: Magnesium+HCl Reaction -Finding the molar volume at STP of hydrogen gas when HCl is reacted with magnesium. Finding Pressure of (Pressure of H2O at 21=0.02763) Finding Volume of at STP 0.002 Sample Calculation Finding Uncertainty for Finding moles of Moles of Finding Molar Volume of at STP. Zinc+HCl Reaction Experimentally calculating molar mass of zinc using the ideal gas laws. Finding Pressure of (Pressure of H2O at 21=0.02763) Finding Moles of Determining Molar Mass of Zn Conclusion: In conclusion it was found that the molar volume of hydrogen gas that was produced when hydrochloric acid reacted with magnesium was 19L/mol3. Ideally it should be 22.4L/mol according to the ideal gas laws. There is a percent difference of 15% between the two values. But if uncertainties are considered the percent difference is reduced to 2%. This is an acceptable value because the actual value of 22.4L/mol is an approximation in ideal conditions according to the ideal gas laws. The ideal gas laws dont take into consideration the attractive forces between atoms, or the volume of the atoms. And most likely if those factors were considered then the percent difference would be 0%. For the second part of the experiment it was experimentally found using the ideal gas laws that the molar mass of zinc is 124 g/mol. When compared with the actual value of 65g/mol, there is a percent difference of 90%. And even if uncertainties are considered, the percent difference is only reduced to 64%. This is too big; therefore the data is rendered unreliable. There were quite a few weaknesses and limitations in this lab. First of all the volume of H2O mixed in with the H2 gas was not considered. Had it been considered, then the volume found at STP would have been lower, and it would give a more accurate measurement to what the experimental value is. Another weakness in this lab was the fact that the molar mass of zinc was twice as big as its accepted value. The most likely reason for this is that when the zinc reacted, it is likely that some of the hydrogen gas was not in the beaker, but the hydrogen gas escaped into the air. That is why when the formula n=PV/RT was used, the volume in the numerator was half as big as it should be, which in turn caused the calculated molar mass to double. So it can be assumed that approximately half the hydrogen gas escaped into the air. Another weakness was the fact that the apparatus was left over night, and so if there was a microscopic hole or crack, then the chances of the hydrogen escaping is very high. This would be true because, and since hydrogen has the lowest molar mass of all the elements, it would have a very high velocity, and so it is possible that the hydrogen gas was able to escape through a microscopic hole at a fast rate because it has such a high velocity. Not only that, but since it was left overnight, it would have had more time to escape the beaker. There are a number of ways that this lab could be improved. First of all, a new graduated cylinder should be used to ensure that there are no cracks or holes through which the hydrogen gas can escape. Along with that the apparatus should not be left out overnight, but instead the reaction should be speeded up by heating up the apparatus, and then taking the measurements of the volume of gas every 1 minute. This in turn would decrease the amount of energy lost to the environment, and it would end up giving more accurate results. Next time, the volume of should also be considered. A percentage value can be used, since we know the pressure that gives, that pressure can be converted into a percent, and multiplies by the total volume, and then inversed. This in turn will in turn give the volume of .This will hold true because V=nRT/P, so pressure and volume are inversely proportional, and since nRT is a constant V and P have to change accordingly.

Uses Of Email In The Modern World English Language Essay

Uses Of Email In The Modern World English Language Essay Electronic mail, better know as e-mail, is the transmission of messages and files via a computer network. E-mail has become a very important way of exchanging messages and files between coworkers, students and teachers, friends and family. People all over the world are using e-mail. Its fast and best of all its cheap! In this paper I will discuss differences between traditional mail and electronic mail. We will explore some of the ways businesses use email in the workplace. I will also discuss how teachers are integrating email into the classroom. Lastly, I will discuss a few electronic mail securities issues that everyone needs to be aware of. Email In The Work Place Over the years, people, especially businesses, have adopted email as their general form of day to day communication mostly because of its speed. Email communication has almost instant feedback. This makes email much more conversational than traditional paper mail or snail mail as it is commonly know today. With snail mail, writers and recipients are forced to wait days to complete communication. Yes, we have fax machines and telephones to speed up the process, but who wants the hassle when you can use email! Distribution List. If you have to send emails to a number of recipients on a routine basis, it can be a chore to have to type every persons email address over and over again. Group distribution lists make this job simple. Below are the steps to setup a distribution list in Microsoft Outlook. Access the email account where you wish to create the distribution list. Use the mouse to highlight the name(s) in the To and CC box. These names will be copied to the distribution list. To select multiple names, hold down the SHIFT button and highlight accordingly. Click EDIT and COPY. Click FILE, and then NEW. Next, click DISTRIBUTION LIST. Type in the name you want for the group. A distribution list can be labeled anything from My Staff to My Friends. Type the appropriate name into the NAME box. Click SELECT MEMBERS. Click on ADD TO DISTRIBUTION LIST. Next, right click PASTE or hold the CTRL and V button down at the same time. Open a new email message. Click on To. Choose your new distribution group. Compose and send an email. Organize Schedules Appointments. Whether you are a COE of a major company or the president of an extracurricular activity group in school email has all the features you need for scheduling and managing appointments, meetings, and tasks. Using Email calendar components, managers can schedule meetings and appointments, and assign tasks for the other members of the group. Emails also let you store miscellaneous information using notes. File Attachments. In some situations, a simple email message is not sufficient to get the required information to the recipient. In these cases, you may want to attach a file to your email message. Email allows you to attach almost any kind if file to your message. You may need to send a Word document, an Excel worksheet, a picture, or any number of file types. Email lets you do it all. EMAIL IN SCHOOLS Keypals. Email is a wonderful way for your class to connect with your students in another part of the country, or perhaps another part of the world. In addition to practicing their English writing skills, your students can learn, first hand, the geography, culture and language of their keypals. Web Mentors. Mentor programs often include lists of mathematics, scientists, historians, and other professionals who have generously volunteered to assist with class project. Homework Assignments. If all your students have regular access to individual e-mail accounts (lucky them!), you might want to distribute homework assignments or bonus questions using e-mail. Some teachers even make their email addresses available for homework questions. If you plan to use email to distribute assignments and questions, here are some tips that will make things run more smoothly: Make sure your students are email savvy. Before you send your first email assignment, spend a few classroom lessons on email basics. Let your students know the time and day that you will be sending the assignment so they know to check their mail. Be specific with your message subject title. Instruct your students to use the Reply to Sender button. This way you can sort your mail using the subject title that you have specified. EMAIL ETIQUETTE SPAM or Junk Mail. SPAM is the sending of unsolicited messages. Most people hate getting junk mail. It also slows down the networks and is generally a waste of valuable, limited resources. Businesses have found that junk mail is an easy and inexpensive way to send promotional material. Dont send unwanted email Flaming. Flaming is when someone uses all capital letters in a message. This usually means that the sender is yelling or angry. This can be very offensive. Remember, once you send an email message, you can not erase it or take it back. Messages may be saved, read by others, or even forward to others with out your knowledge. Internet Hoaxes Virus Myths. Dont be fooled by internet hoaxes and computer virus myths. Before you send your so called virus alert check with your IT department to see if its real. Dont open an attachment or click on a link in an email from some one you dont know. If the content email looks suspicious, but it is some one you know- dont open until you clarify with the sender first. It may be infected with a virus. CONCLUSION In conclusion, Email is a wonderful way to communicate with others. Email has become a very important way to communicate and share files with coworkers, students, friends, and family. Hopefully you have found some new and interesting ways to use email in the workplace, and in school. Also dont forget to use proper email etiquette and watch out for internet hoaxes when sending messages.

Physics of Beer :: physics alcohol beverage

Carbonated beverages contain dissolved carbon-dioxide gas. The way to get gas to dissolve in liquid is to pressurize the mixture, meaning that the pressure inside a beer can is greater than the pressure outside the can. This is why you see little bubbles spray out when you open a beer can. Breaking the seal depressurizes the mixture, causing the gas to come out of solution, starting with the gas closest to the top (that's where the pressure decrease starts). Because gas is lighter than liquid, as soon as it comes out of solution, it rises to escape the can. When it escapes, it carries with it a small amount of liquid from the very top of the can because that liquid is blocking its path. When beer is agitated (shaken), cavities form small bubbles, which then collect as foam on the surface. If you then open the bottle, and explosively decompress the beer, the foam eruption is the work Boyle's law and inflation by diffusion. On the other hand, if the shaken beer is allowed to sit for a while and "decompress," the gass in the bubbles will be driven back into solution by the bubble skin tension making it safe to open. If you are impatient you can tap on the can. When you tap on the can, you knock bubbles off the bottom and sides of the can, at which point they rise to the top (because gas is lighter than liquid) and there is only a small amount of liquid blocking their escape when you open the can. As a matter of fact most bubbles do move upwards. The bubbles in the center of the glass, free from the effects of the wall, move upwards most quickly and drag liquid with them. But the liquid moving up in the center of the glass, having nowhere else to go, must eventually turn towards the walls and start to move downward. The liquid moving downward near the walls tries to drag down bubbles with it. Larger bubbles have sufficient buoyancy to resist but smaller bubbles (less than 0.05 mm) are continuously dragged to the bottom of the glass. A stout like Guinness has a creamier, longer lasting head than a canned lager beer. In addition, Guinness is less fizzy than a regular lager beer. Guinness is canned with a mixture of carbon dioxide and nitrogen. Nitrogen is not absorbed into the beer nearly as well as carbon dioxide, so even though a can of Guinness may be at the same pressure as a can of lager, it contains less CO2 (and is therefore less fizzy) because the nitrogen makes up some of the pressure.

Macbeth And Lady Macbeth Switch Roles :: essays research papers

Throughout the play "Macbeth", two of the main characters, Macbeth and Lady Macbeth gradually exchange roles. Macbeth is the kind, caring one of the two in the beginning, but completely changes as the play goes on, as with Lady Macbeth. She starts out as an evil, vicious beast. She is an evil woman who is bond and determined to kill Duncan. At the end of the play this character feels guilt for what she has done and has taken the personality, which was that of her husband in the beginning.At the beginning of the play Lady Macbeth speaks and shows her shows how cruel and heartless she really is; "And fill me from the crown to the toe top-full of direst cruelty". This shows she has no good in her, what so ever. Macbeth on the other hand, began as a good respectable character. When Lady Macbeth speaks of killing Duncan, he gives many reasons for reasons that he could not do so. Some of the reasons he gives in that speech are, that Duncan respects him, and trusts Macbeth. Duncan is also related to him by blood, and if he were to kill him he would never be able to rid himself of the guilt; wash the blood from his hands.At the climax of the play Macbeth makes plans to kill Banquo, with out Lady Macbeth, without anyone. This is a turning point because up until now, Macbeth was a respectable man, who didn't feel the need to kill for the crown. But suddenly he decides he is going to go against everything he has believed in up till now.As the play comes to an end, Macbeth has gone mad. He kills Macduff's whole family, all the children, and even the young, innocent babies. He loses control and doesn't care about anyone or anything. He is now pure evil.Lady Macbeth has now realized her wrong doings. She realizes how cold and dark she once was. She now wants to carry a candle with her at all times, to have the light with her always. She is now trying to get the stench of blood off her hands, but is unsuccessful. The guilt of murdering Duncan eats away at her.

The Dc Motor Speed Control Methods Engineering Essay

AbstractionThis paper describes the Matlab and simulink converts into actuality of the DC motor velocity control methods, viz. field opposition, armature opposition control methods and armature electromotive force, and feedback control system for DC motor thrusts and this paper describes mathematical modeling, simulation of DC motor system utilizing computing machine simulations Matlab and simulink, by this system response to alter assorted parametric quantities like system stableness, perturbations, analysis and optimisation of theoretical account parametric quantities with regard to the quality of control. If simulation techniques are used for finding the control parameters a simulation theoretical account is necessary, which has to be constructed from the analytical theoretical account.IntroductionDC Motor is an electrical motor and it most normally used in an electrical device for easy to drive the instruments, steel turn overing Millss, electric Cranes, and robotic operators due to precise, broad, simple, and uninterrupted control features. To command the velocity of low power DC Motor rheostatic armature control method were used. The basic parts of the DC motor are- axle, rotor ( armature ) , stator, commutator, field magnet, and coppices. In the geometry of coppices, commutator contacts, and rotor twists are arranged in such a mode so that when power is applied so mutual oppositions of the energized twist and the stator magnets are misaligned and the rotor will get down to revolve until it is about aligned with the stator ‘s field magnets. When the rotor reaches to alignment, the coppices move to following commutator contacts, and stimulate the following twist. There are variable types of DC Motor available in market with the good and bad qualities. Bad quality means slowdown in efficiency. To retrieve or halt this sort efficiency job accountant is introduce in the system. Brushed DC motors are most widely used in applications and its ranging from plaything to push-button adjustable auto seats. Brushed DC ( BDC ) motors are cheap but easy to drive. Brushed DC motors are easy available in all size and form with the broad scope from large-scale industrial theoretical accounts to little motors for light applications ( such as 12 V DC motors ) ..BDC motors are most normally used in easy to drive, with variable velocity and high start-up torsion applications.AimThe Fig.1 shows the parallels electrical circuit.ModelingThe circuit which was given is drawn in the Matlab by utilizing simulink. In the circuit diagram the flow of currentBLOCK DIAGRAMFigure shows the block diagram of DC motorTRANSFER FUNCTIONK/ { ( Ls+R ) ( Js+f ) +K2 }i? ±1/s Vapp Fig 4.1. Transfer FunctionState SPACE MODELAs we know that, V- .†¦ . ( 1 ) †¦.. ( 2 ) Substituting equation ( 2 ) in ( 1 ) †¦ †¦ . ( 3 ) †¦ .†¦ ( 4 ) †¦Ã¢â‚¬ ¦ . ( 5 ) Substituting ( 5 ) in ( 4 ) – †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ ( 6 ) Differentiating ( 6 ) , we get †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦.. ( 7 ) Puting ( 3 ) in ( 7 ) , we get †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ ( 8 ) Now †¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ ( 9 ) Substituting ( 9 ) in ( 8 ) , we get We know that x=Ax + Bu Y=Cx + Du X= The State Space Model represents by the additive equation and it is written as. x= Ax + Bu Y = Cx + Du Below figure shows the province infinite theoretical account ( Calculation is in appendix ) Figure 5.1 State Space ModelPHYSICAL SystemSee a DC Motor, in this electrical circuit of the armature and free organic structure diagram of rotor are shown in figure below. hypertext transfer protocol: //zone.ni.com/cms/images/devzone/tut/mpm-2-motor1.gif Fixture: – DC Motor is a common actuator in control systems.Brushed DC Motor basicssA Brushed DC Motor consists of stationary fixed lasting magnets i.e. stator, a revolving electromagnetic i.e. rotor and flux, which is concentrated by metal. Rotor rotate by the attractive force of the opposite poles and repulsive force of the similar poles, it cause to bring forth torsion and torque Acts of the Apostless on rotor and so do it turn. As the rotor start to revolve or turn so fixed coppices make and interrupt the contact in such a manner that with the revolving sections ( commuting ) . The rotor spiral of the brushed motor energized and de-energized in such a manner so that the rotor start to bends. By reassigning the power to the motor, current generate in rotor spirals and therefore the North and south poles are reversed and because of the motor change the way. From the Strength of the magnetic field, velocity and torsion of the motor depend Figure ( 1 ) Brushed DC MotorPrinciple OPERATIONConstruction and operation of the Brushed DC Motor is shown below in figure ( 2 ) .for the building of the BDC motor ever the same constituents are required i.e. Stator, rotor, commutator and coppice. Figure ( 2 ) Simple two-pole brushed DC MotorStatorThe rotor surrounded by the stationary magnetic field which is generated by the stator and this filed is generated by the lasting magnet or electromagnetic twist. On the building of the stator, different types of BDC distinguish.RotorRotor is besides known as an armature and it is made up of one or more twists. Magnetic field is produce when they energized. When the opposite pole of the magnetic poles, pull to each other which is generated by the stator, and doing the rotor to turns. The opposite poles are ever pulling to each other. As the motor turns, the twists are being invariably energized. This divergence of the field in the rotor is called as an armature.Brushs and commutatorThere is no demand of accountant in BDC to exchange current in motor twist. The commuting twist of the BDC motor is done automatically. Reside on the axel of rotor there is a metameric Cu arms called commutator. Carbon brushes slides over the commutator co ming in a contact with the different sections of the commutator as the motor starts to turn. When the electromotive force is applied across the coppices of the motor so dynamic magnetic field is generated inside the motor. Brushes and commutator are the most of import parts of the BDC motor that are most prone to have on because they are the skiding portion to each other.Speed ControlThe Speed of a DC Motor is straight relative to the electromotive force. By utilizing the digital accountant electromotive force can be control and to bring forth the mean electromotive force pulse-width modulated ( PWM ) signal is used. In motor there is a motor weaving which acts as a low base on balls filter so PWM develop a suited current in the motor twist.AdvantageCheap in monetary value because low cost of building. Widen a life by replacing a coppice. Cheap motor and simple control. Speed/Torque is normal at high velocity. On fixed velocity no control is required, Controller is required merely at variable velocity in this status same accountant can be used.DisadvantageCare is required for brushed DC Motor because of coppice. If the coppice clash additions, cut down the utile torsion. Heat dissipation is hapless because of internal rotor building. Speed scope is limited because of the mechanical restriction on coppices. Life is besides shorter. Noise is generated due to brush. Application illustrations: traveling playthings, fans, pressmans, automatons, electric motorcycles, -doors, -windows, -sun roofs, -seats, sociables, nutrient processors, can openers, liquidizers, vacuity cleaners, toothbrushes, razors, java bombers, etc.Physical ParametersMoment of inactiveness of the motor ( J ) = 9.89 E-7 kilogram Nm s/rad Muffling ratio of the mechanical system ( B ) = 5.84E-7 Nm s/rad Electromotive force or motor changeless ( K=Ke=Kt ) = 0.008 Nm/-w Electric opposition ( R ) = 0.80 ohms Electric induction ( L ) = 0.00041H Friction coefficient, degree Fahrenheit Input ( V ) : Beginning Voltage Output ( theta ) : place of shaft the rotor and shaft are assumed to be stiffDecisionBrushed DC motors are really simple to utilize and easy to command, which makes them a short design-in point. PIC microcontrollers, particularly those with CCP or ECCP faculties are ideally suited for driving BDC motors.Refferencehypertext transfer protocol: //www.wiringdiagrams21.com/2009/09/26/circuit-diagram-for-dc-motor-control-by-a-collins hypertext transfer protocol: //www.nxp.com/documents/application_note/AN10513.pdf hypertext transfer protocol: //ww1.microchip.com/downloads/en/AppNotes/00905a.pdf hypertext transfer protocol: //www.orientalmotor.com/MotionControl101/AC-brushless-brushed-motors.html hypertext transfer protocol: //ww1.microchip.com/downloads/en/AppNotes/00885a.pdf hypertext transfer protocol: //www.dynetic.com/brushless % 20vs % 20brushed.htm file: ///D: /matlab/index.php.htm