Saturday, January 25, 2020

Troubles with Tanning Essay examples -- Health, Cancer

People all over the world have always tanned. Over the past decade, artificial tanning has become much more popular, especially with teenage girls and younger women. More tanning salons have been built and there are more tanning companies than ever. Of course, naturally tanning is still just as popular. What some people don't realize are the actual effects of tanning. It can cause many medical problems. Instead of tanning, people should think about the dangers they are putting their body through and why they are even tanning in the first place.   While the sun does have some benefits, too much of it can be disastrous and detrimental to someone's health. Most people know that it is bad for them, but they continue to do it anyways. There are many problems with tanning. For example, it can cause skin cancer, it is detrimental to people's health, it can be expensive, and it can cause the aging process to accelerate. According to the U.S. Food and Drug Administration, tanning can cause many different forms of skin cancer, some of which can be fatal. The two main types of skin cancer are melanoma and non-melanoma. Melanoma is much more dangerous than non-melanoma. If it isn't found early enough, it can be fatal. Non-melanomas are benign. People should be careful if skin cancer is dominant in earlier generation of their family, because the are more likely to inherit it. Skin cancer is caused by overexposure to ultraviolet rays. It causes skin cells to grow abnormally, which then causes melanomas or non-melanomas. It can also cause the immune system to become weak, then it can't help fight off the different cancer cells. If skin cancer is caught, it can be treated. Some symptoms are changes on the surface of the skin, such as size and co... ...gh they may like the way that their skin is tanned now, in the future it could cost them big amounts of money to fix or irreparable damage to their skin. Tanning is not justifiable in the long run. If people take the time to protect their skin, it will be extremely beneficial to them.   Works Cited Gandini, Sara, Philippe Autier, and Mathieu Boniol. "Reviews On Sun Exposure And Artificial Light And Melanoma." Progress In Biophysics & Molecular Biology 107.3 (2011): 362-366. Academic Search Premier. Web. 6 Dec. 2011. "Tanning." U S Food and Drug Administration Home Page. Web. 06 Dec. 2011. "Skin Cancer Treatment (PDQ ®) - National Cancer Institute." Comprehensive Cancer Information - National Cancer Institute. Web. 06 Dec. 2011 Touhig, Sion. 2007. Photograph. San Diego. "Jergens ® Natural Glow Moisturizers." Jergens ® Skincare Products. Web. 07 Dec.

Friday, January 17, 2020

Measurement and Verification Protocols of Net-Zero Energy Buildings

50 Measurement and confirmation protocol of Net-Zero Energy edifice1. measuring prosodies and parametric quantities associating to ZEB†¦ criterions and directing, energy ingestion rates, IEQ, 2. computation and methodological analysis†¦ simulation†¦.monitoring†¦ 3. tools†¦.design, simulation, trial etc. 4. standardisation†¦ enfranchisement, acknowledgment plan ( IEA, ASHRAE†¦ . ) etc†¦ current illustrations†¦What is Net Zero Energy Building ( NZEB ) ?There have been efforts to specify the ZEB construct. There are many common definitions such as this ; ‘A Internet Zero Energy Building ( NZEB ) is a edifice that has zero C emanations and net nothing energy ingestion and over the class of one twelvemonth. What qualifies a edifice as a NZEB can be determined utilizing different prosodies. ?Net Zero Site Energy ( NZSE ) : A Site ZEB which produces in a twelvemonth at least every bit much energy as it uses, when accounted for at the site. Using this definition is convenient as confirmation can be achieved through on-site metering. This encourages energy-efficient designs ; nevertheless, it does non separate fuel types or take into history inefficiencies in the public-service corporation grid.Net Zero Source Energy ( NZSE ) : A Source ZEB produces yearly at least every bit much energy as it uses, when accounted for at the beginning. Source energy means the primary energy for coevals and bringing of the energy to the site.In order to cipher a building’s entire beginning the appropriate site-to-source transition, multipliers are used to cipher energy the imported and exported energy. This illustrate clearer the entire energy impact compared to a site definition. It is challenged, nev ertheless, by the troubles to get site-to-source transitions, and by the restraints of these transitions.Internet Zero Energy Costs ( NZEC ) : In a Cost ZEB, the capital the public-service corporation pays the edifice proprietor for the energy from the edifice to the grid is at least the same as the sum the proprietor pays the public-service corporation yearly in return for the energy services and energy used. This definition, is easy to verify with public-service corporation measures. Geting to zero, may be hard because of public-service corporation rate constructionsInternet Zero Energy Emissions ( NZEE ) : A NZEE edifice green goodss at least the same sum of emissions-free renewable energy as it uses from the beginnings of emissions-producing energy [ # 1 ] This is likely a better theoretical account for â€Å"green†energy beginnings ; nevertheless, like the beginning NZEB definition, it can be hard to cipher.Net-Zero Energy Building public presentationThe footings â€Å" net zero energy† , â€Å"zero net energy† , â€Å"net nothing carbon† edifice may hold different significances and are non exhaustively understood, a figure of IEA states have adopted this vision as the long-run end of one of their edifice energy policies. What is losing is a definite reading and an international understanding on the steps for edifice public presentation that can inform zero energy edifice policies, zeroprograms and industry acceptance ( IEA SHC group 2012 & lt ; hypertext transfer protocol: //www.iea-shc.org/task40/ & gt ; ) . Model has been developed to map out the factors involved in this type of edifice to help sustainable interior decorators of new edifices and retrofitting of bing edifices.Common Monitoring SchemesThere are three common monitoring schemes for Net-zero energy constructing rating procedure.Whole-building attack, which is based on energy flow measuring of the whole edifice, carry out at the boundary of edifice by via public-se rvice corporation metres or other manual method.Sub-metering attack, based on assemblage of measurings of stray energy use of systems or constituents through dedicated equipment.The indoor environment quality ( IEQ ) , based on measuring of comfort parametric quantities such as comparative humidness, temperature, brightness, etc. to measure occupant comfort degree. Table 1. Stairss to be considered during the different stages of Net ZEB monitoring [ 6-6 ] Beginning: IEA SHC/ECBCS Task 40/Annex 52 – Towards Net Zero Energy solar Buildings M & A ; V protocol for Net ZEB. A proficient study of STA, 2013Constructing public presentation attack to NZEBAn NZEB energy public presentation can be accounted for or defined in several ways, capable to different boundary and the metric or the definitions of NZEB. It besides depends on the undertaking ends and the values of the design squad and edifice proprietor. depending. A figure of restrictions seem to be with the current definitions. What appears to be needed is a more thorough model, which starts to take out some of these variables in footings of edifice public presentation. The term edifice public presentation is normally associated with occupant comfort or more loosely indoor environmental quality ( IEQ ) that leads to soothe and energy efficiency. There are two more factors that besides necessitate to be considered.First it needs efficient equipment and stuffs appropriate for the location and conditions ( proficient factors ) ; and 2nd, comfortss and services appropriate to the building’s intended usage ; and operated in such a mode as to hold a low energy usage compared to other, similar, edifices ( non proficient factors ) What is IEQ ( Indoor Environmental Quality ) ? Indoor Environmental Quality ( IEQ ) is major constituent for the rating of run intoing the construct of Net-zero energy edifice. It is to depict as status inside the edifice, which means the environmental quality of infinite. Elementss of IEQ are accounting for 21 per centum of standards for green edifice rating for non-residential edifices, including academic edifice in higher educational intuitions. Factors that involve such as air quality, illuming, thermic comfort, acoustic conditions, humidness, sound, occupant control and olfactory property. Energy, natural airing, design of the edifice†¦ etc.IEQ MonitoringIEQ demands is one of the major hazards a Net-zero energy edifice would give to diminish energy ingestion. In that instance, IEQ must be monitored in order to clarity the degree of comfort that can be acceptable. Furthermore, measurings of these factors would necessitate as accommodation intent that enable to the comparing with design values’ and observe misfunct ioning ingestion. Measurements of IEQ can besides be conducted assessing of occupant comfort via indirect or direct ( measurement and/or questionnaires ) appraisals. Furthermore, if the comfort status is absent, occupant would respond instantly and happening solutions, which would impact public presentation of energy. In that instance, commissioning of edifice will go on to verify the public presentation is truly important or non. IEQ supervising degree is based on specific aims, such as appraisal of comfort and/or alliance processes, every bit good as budget or attempt that available. Choice of relevant parametric quantities would let fiting larger figure of point, in fact more parametric quantities can supply offer elaborate image. There are four supervising degree, including Level 1 Basic Monitoring, Level 2 Advanced Basic Monitoring, Level 3, Detailed Monitoring and Level Advanced Detailed Monitoring. Table 2 as below will supply overview of four different monitoring degrees ToolsThe Net ZEB rating tool, available for free download at hypertext transfer protocol: // undertaking 40. iea – shc. org / net – zeb, can help with the computation of the energy balance, load lucifer index and operation cost International energy efficiency demands for new edificesDifferent states have started to travel for developing a common international demand or criterion for the energy efficiency, but at the minute, most of energy efficiency demand of edifice codifications is following local, province or base on national tradition. Such as US, it is based on Energy Efficiency criterions ( IECC 200415 and ASHRAE 200416 ) , these criterions are using in US and Canada. Like the European Energy Performance in the Buildings Directive ( EPBD ) , it would necessitate their members’ province of European Union to find demands for energy efficiency for new edifice.Mention[ 50.6 ] hypertext transfer protocol: // World Wide Web. btga – arch. uni – wuppertal. de / fileadmin / architektur / btga – arch / btga _ projekte _ aktuell / T 40 A 52_ STA _ Report _ Monitorin _ and _ Verification _ for _ NetZEBs. pdf â€Å" Measurement and Verification protocol for Net Zero Energy Buildings † [ 50.7 ] hypertext transfer protocol: // content. irec. cat / web / publicacions / energia – termica /02 % 20- % 20 ZEMCH _ T 40 STC _ NZEB _ Format. pdf â€Å"DESIGN ISSUES FOR NET ZERO-ENERGY BUILDINGS† [ 50.8 ] ASHRAE. 2002. ASHRAE GUIDELINE 14-2002 Measurement of energy and Demand Savings. hypertext transfer protocol: // sftool. gov / learn / about /1/ indoor – environmental – quality – ieq – SF Tool, 2013.Indoor Environmental Quality[ online ] Available at: & lt ; hypertext transfer protocol: //sftool.gov/learn/about/1/indoor-environmental-quality-ieq- & gt ; [ Accessed 30 April 2014 ] hypertext transfer protocol: // World Wide Web. ijsrp. org / research – paper -1301/ ijsrp – P 1363. pdf M.A Sulaiman et al, 2013. Evaluation of Indoor Environmental Quality ( IEQ )on heavy Academic edifice instance surveies Universiti Tun Hussein Onn Malaysia. International Journal of Scientific and Research Publications,Volume 3, Issue 1 [ 1 ] The Directive 2010/31/EU of the European Parliament and of the Council of 19 May 2010 on the energy public presentation of edifices, Official Journal of the European Union. [ 2 ] J. Ayoub, IEA SHC /ECBCS Project Factsheet Towards Net Zero Energy Solar Buildings. 2011.Task40/Annex52. hypertext transfer protocol: //canmetenergy.nrcan.gc.ca/sites/canmetenergy.nrcan.gc.ca /files/files/pubs/2011-118_PM-FAC_411-IEAT40_ayoub_e.pdf [ 3 ] L. Aelenei, R. Lollini, H. Goncalves, D. Aelenei, M. Noguchi, M. Donn and F. Garde. Passive chilling attacks in net-zero energy solar edifices: lessons learned from presentation edifices. In: CISBAT, Lausanne, September 2011. [ 4 ] I. Sartori, A. Napolitano and K. Voss. Internet zero energy edifices: A consistent definition model. Energy and Buildings. Volume ( 48 ) 2012 220–232. [ 5 ] IEA SHC Task 40/ECBCS Annex 52. Towards Net Zero Energy Solar Buildings ( NZEBs ) . [ hypertext transfer protocol: //www.iea-shc.org/task40/index.html ] . hypertext transfer protocol: // media. wix. com / ugd /75744 vitamin D _ degree Celsius 4271 a 3238 degree Fahrenheit 1 B 4231 a 738 a 9817 B 6 vitamin E 853. pdf â€Å"A Design Framework for Achieving Net Zero Energy Commercial Buildings† [ 40.17 ] Torcellini, P. , S. Pless, S. and M. Deru, M, 2006, ‘Zero Energy Buildings: A Critical Expression at the Definition, ’ NationalRenewable Energy Laboratory D. Crawley U.S. Department of Energy. ACEEE Summer Study Pacific Grove, California August 14?18. [ # 1 ] Torcellini, P. , S. Pless, S. and M. Deru, M, 2006, ‘Zero Energy Buildings: A Critical Expression at the Definition, ’ NationalRenewable Energy Laboratory D. Crawley U.S. Department of Energy. ACEEE Summer Study Pacific Grove, California August 14?18.

Wednesday, January 8, 2020

The Expansion of the Roman Empire Essay - 1427 Words

The War with Veii played a significant role in the expansion of the Roman Empire. The war, which ended in 410 B.C., set in motion an entirely different Roman army. No longer was the army a volunteer militia, instead it became a paying and contractual organization. The â€Å"Roman victory brought an end to Rome’s most threatening neighbor and began its rise to prominence in the central Italian peninsula† (www.warandgameinfo.com). Another sizeable contributing factor to the expansion of the Roman Empire was the sacking of Rome by the Gauls in 390 B.C.. â€Å"The Romans were completely dumbfounded by the wild and undisciplined charge of the howling Gauls. The Roman’s tightly packed phalanx, a military formation they had adopted from the Greeks of†¦show more content†¦The major and often times only change was that Rome was now in complete control of the region’s foreign policy. Seeing that the benefits far exceeded the cost of incorporation, many regions were not only okay with the price of incorporation, but sought it out as a means of protection, ultimately creating the Latin League by the year 338 B.C.. Eventually Rome’s policy of coming to the aid of those who asked, led them into battle with King Pyrrhus of Epirus when Thurii asked for Roman aid from Tarentun, which was, in turn, assisted by Pyrrhus. The Romans lost two battles to Pyrrhus in 282 B.C. and 280 B.C., leaving King Pyrrhus of Epirus with, what has become known as Pyrrhic victories. Both sides sustained substantial losses, making the victories as good as losses. Eventually, in 275 B.C. Pyrrhus left battle to save what was left of Greece, providing the Romans with a default victory. King Pyrrhus would later be killed, by a loosened roofing tile pushed over by an old woman, when he had taken a break from the war in Argos, which he believed he had won. In 264 B.C. the Romans became committed to their first over-seas conflict, when â€Å"Carthage attempted to gain control of the island of Sicily. The prospect of such a powerful neighbor only a few miles offshore from Italy worried the Romans. When Sicilian Greeks asked for RomanShow MoreRelatedThe Expansion Of The Roman Empire866 Words   |  4 Pageswent through political and economic reorganization. There was no revival of central imperial authority in western Europe, even though there was an establishment of the Holy Roman Empire. Agricultural improvements brought increased food supplies, which encouraged urbanization, manufacturing, and trade. In the high middle ages, Roman Catholic Christianity was the cultural foundation of European society. The church advanced educational institutions such as cathedral schools and universities. 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