The Design of Taipei 101 Essay -- Structural Design

Stiffness and comfort (steel outrigger trusses) The 101 story building, 500 meters high Taipei 101 is located in Taipei, Taiwan. Taipei 101 is the pride and identity of the people of Taiwan. The building represents â€Å"concept of striving for beyond perfection† (Taipei 101 anon 2005) as it outsmarts nature with its technological features. 101 building achieved a remarkable world record for the highest building in 2004 with 101 floors hence the name Taipei 101. Designing and building the 101 building was very challenging and rewarding, as it is located in one of the most hostile places in the world. The tall building is located in Taiwan, which is constantly under attack by Mother Nature, earthquake potential and typhoon winds are just common problem which the architect, C. Y. Lee & Partners, and the structural engineers Thornton Tomasetti Inc needed to solve. The engineers of the Taipei 101 made the impossible possible (Shieh et al n.d). The initial plan was to make three building with 60 storeys building in centre, but t he 60 building soon turned into 101 storey single tower building to meet investor’s demand. In order to be the most unique skyscraper in the world Taipei 101 building represents its culture (Taipei 101 Binder, 2008). In this part of the essay we are going to investigate about how is stiffness and comfort maintained in Taipei 101, we’ll be looking in depth some of the features of Taipei 101 that work together to provide stiffness and comfort. Firstly we will be looking at the stiffness and then move on to comfort features. How is Stiffness and comfort maintained by Taipei 101? To provide comfort the 101 building has to deal against the nature. Taipei 101 is located in a hazard prone environment. Typhoon and ... ...tlUvYTVMMmicsorE9tDlv1VgdZWCJDAKPfx3AOTuaIEUkm4piLesN_8NVrM131TbT8wyyRQ_0MIcIx7yVN5ho3D9NbHoZjiAx477&sig=AHIEtbQNaZZ1eKBA82LxMn_p6RZZMKxmvA&pli=1 (accessed 3.4.11) †¢ Anon. what are steel moment frames? (N.d). [online]. Available from: http://www.propertyrisk.com/refcentr/steel-side.htm (accessed 03.04.11) †¢ Brooks. C., Huff .I. The effect of high altitude or relative humidity. (2006). [online] available from: http://www.physics.umt.edu/borealis/RH%20Lab%20Report_06.pdf. (Accessed: 03.04.11). †¢ Anon, Taipei 101 expected to receive LEED platinum certification( 2010).[online]. Available from: http://www.taipei-101.com.tw/NEWSV/en/news_in.aspx?News_Sn=24 (accessed 03.04.11). †¢ Mizuguchi.h., nakagwa.t. and fujita.y. breaking the 1000mom barrier. (2005). [online]. Available from: http://www.elevator-world.com/magazine/PDF/sept05/sept05.pdf (accessed 03.04.11)

Factors that affect enzyme activity

Since the active site for all molecules of one enzyme will be made up of the same arrangement of amino acids, It has a highly specific shape. Generally, there is only one active site on each enzyme molecule and only one type of substrate molecule will fit into it. This specificity leads to the lock and key hypothesis, Source 1: http:/twwa. s-cool. co. uk/a-level/blology/ biological-molecules-and-enzymes/revise-it/enzymes Source 2: http://cllck4blology. lnfo/c4b?/chem3. 6. htm#one a) Large globular protein enzyme b) Active Site where the substrate combines to the enzyme ) Substrate which fits the active site d) Activated complex.The substrate is weakened to allow the reaction. e) Unchanged enzyme/ re-used at low concentration f) Product of the reaction In my investigation, I will be using the enzyme catalase, which is found in most living organisms. It catalyses the decomposition of hydrogen peroxide Into water and oxygen. 2H202 + catalase > 2820 + 02 Catalase dramatically reduces the activation energy needed for the reaction. Without catalase the decomposition would take much longer, and would not be fast enough to sustain human life.Hydrogen peroxide is also a dangerous, very potent by-product of metabolism, so it is essential that it is broken down quickly, otherwise it would cause damage to cells. The activity of an enzyme is affected by its environmental conditions. Changing these will alter the rate of reaction caused by the enzyme. In nature, organisms adjust the conditions of their enzymes to produce an optimum rate of reaction, where necessary, or they may have enzymes which are adapted to function well In extreme conditions where they live.Enzyme Concentration: at low enzyme concentration there is great competition for he active sites and the rate of reaction is low. As the enzyme concentration increases, there are more active sites and the reaction can proceed at a faster rate, for more enzymes will be colliding with substrate molecules. Eventually, i ncreasing tne enzyme concentratlon Deyona a certain polnt nas no erect Decause tne suDstrate concentration becomes the limiting factor.Inquiring upon this factor, it is obvious to anticipate increasing enzyme concentration will also increase rate of reaction based upon contextual knowledge and after casting a certain amount of enzyme oncentration, it will no longer be the limiting factor. If I experiment on this factor, I would perceive my data to resemble the graph below, as it exemplifies how increasing enzyme concentration increases rate of reaction(shown through line climbing) until it becomes the limiting factor and the rate of reaction does not increase(shown through line not climbing).Source 3 :http://alevelnotes. com/Factors- affecting-Enzyme-Activity/146 Substrate Concentration: similar to the enzyme concentration, at low concentrations of substrate there is a low rate of reaction. This is because there are few substrate molecules to react with active sites and therefore li miting the number of reactions happening. Henceforth, increasing the substrate concentration will increase the rate of reaction. This is because more substrate molecules will be colliding with enzyme molecules, so more product will be formed.However, after a certain concentration, any increase will have no effect on the rate of reaction, since Substrate Concentration will no longer be the limiting factor. The enzymes will effectively become saturated, and will be working at their maximum possible rate. If I was to investigate this factor, I would predict the rate of reaction will increase as substrate concentration increases, until a certain concentration is added when the substrate molecules are in excess resulting in enzyme saturation.The graph (below) demonstrates my prediction. Source 3 :http://alevelnotes. com/Factors-affecting-Enzyme-Activity/146 enzyme and substrate Simple image portraying proposed image for concentration (discussed in according factors). Mentioned as â€Å" picture of proposed investigation below' Temperature: All enzymes ave optimal temperatures, the temperature at which an enzyme produces the highest reaction rate for a specific reaction. The majority of enzymes in the human body works best at 37 Celsius degrees.This is because 37 degrees Celsius is the bodys internal temperature and enzymes such as catalase, have been adapted to work best at that certain temperature. Below the optimum temperature, substrates have little kinetic energy and fewer enter the active site to be catalyzed. However, as temperature increases towards the optimum, the substrates and enzymes gain more inetic energy and collide more often leading to a chemical reaction. When the temperature goes above the optimum, the bonds holding enzymes together also gain kinetic energy, increasing the speed at which they vibrate.This leads to the bonds breaking within the enzyme, making it change shape. This change in shape means that the active site is less complementary to the shape of the substrate, so that it is less likely to catalyse the reaction. Eventually, the enzyme will Decome denatured ana will no longer Tunctlon. I nen as temperature Increases more nzymes' molecules' active sites will become less complementary for the substrate molecules and then more enzymes will be denatured.This will decrease the rate of reaction. If I examined this factor, I would predict that the rate of reaction will peak at 37 degrees Celsius, as that is the optimum temperature of catalase. Also, as stated in the latter paragraph, increasing or decreasing the temperature from its optimum will lower the rate of reaction. Therefore, I should expect the data I collected to be similar of the graph below. Source 4: http://www. rsc. rg/Education/Teachers/Resources/cfb/ enzymes. tm PH: pH measures the acidity and basicity ofa solution. It is a measure of the hydrogen ion (H+) concentration, and therefore a good indicator of the hydroxide ion (OH-) concentration. It ranges from PHI to pH14. Lower pH values mean higher H + concentrations and lower OH- concentrations. Unlike the same optimal temperature for all enzymes that dwell in the human body (370c); the optimum pH varies for the enzymes. For example, the enzyme pepsin has an optimum pH of 2. 0 whereas catalase has an optimum of 7. 6.Enzymes in different locations have different Optimum pH values since their environmental conditions may be different. In this instance, pepsin operates most competently at pH 2 because it is commonly found in the stomach, where pH is low due to the presence of hydrochloric acid. Enzymes work in small ranges of pH values, so any change above or below the optimum will cause a sudden decrease in rate of reaction, since more of the enzyme molecules will have active sites whose shapes are not (or at least are less) complementary to the shape of their substrate.Small changes below or above the optimum, does not cause a permanent change to the enzymes since the bonds can be reformed. However, extreme changes in pH can cause enzymes to denature and permanently loose their function. When the pH is changed from the optimal of the certain enzyme, the H+ and OH- interfere with hydrogen and ionic bonds that hold together an enzyme, since they will be attracted or repelled by the charges created by the bonds. This interference causes a change in the shape of the enzyme and most importantly, the active site.

Operations Management Non Profit Organization - 2143 Words

Question 1: provide a definition/ description of strategic planning process, addressing the critical issues/questions the process takes into account. Answers (a) Strategic planning process is an organization’s process, which is designed to identify a long-term goal or direction to develop the organization, and put into practice. Strategic planning guides conversations about an organization’s purpose, helps integrate perspectives from multiple stakeholders, and provides the steps to develop goals and objectives that will move the organization’s forward. (b) The specific issues would be various due to different standards and analysis techniques which applied to strategic planning. However, generally it is critical to cover these aspects†¦show more content†¦Answers a) Roles of Nonprofit Board and the Executives Nonprofit board The nonprofit board has multiple roles and responsibilities. The most common and fundamental of these are the legal and fiduciary duties that apply to essentially all governing boards. Legal duties of board The board of directors is the primary group of people entrusted with and accountable for leadership and governance of the nonprofit corporation, which is authorized by a state to be formed for the purpose of engaging in some form of public service. A nonprofit board and its members have three fundamental duties: Duty of care Duty of loyalty Duty of obedience The fiduciary responsibility of boards Fiduciary responsibility is the responsibility to treat the resources of the organization as a trust, and the responsible board will ensure that these resources are utilized in a reasonable, appropriate, and legally accountable manner. In general, the appropriate exercise of fiduciary responsibility includes Adoption of a set of policies to govern the acquisition and use of financial and other resources Establishment, on a regular basis (usually annual), of a budget that allocates financial resources to the programs and activities that will accomplish the organization’s mission, vision, and goals and outcomes(preferably, in alignment with a strategicShow MoreRelatedAccounting And Financial Reporting Methods894 Words   |  4 PagesIntroduction A non-profit organization is an organization exempted from making tax payments and its main objective is to offer the public with services without making any profits. It can be classified as a charitable, religious, educational or scientific organization (Strydom Stephen, 2014). Its excess funds are not shared among its stakeholders as cash dividend; rather they are reinvested back to the organization in the pursuance of its objectives. 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