125+0.0625 = 0.687510 Decimal Decimal to binary conversion Using methods: • Convert a decimal number to binary using Sum-of-weight method • Convert a decimal whole number to binary using the repeated devison-by-2 method • Convert a decimal fraction to binary using the repeated multiplication-by-2 method Sum-ofSum-of-weight method Find binary weights that add up to decimal number. Example: Convert the decimal number 9 to binary 9= 8+1 23 22 21 20 8 4 2 1 1 0 0 1 Binary number for
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Extraction of the flavonoids fraction of Cajanus cajan (FFCC) The Cajanus cajan L. seeds were air dried at 10% moisture‚ then powdered and preserved in a refrigerator at -80°C. Five hundred gm from the powdered seeds were defatted with hexane‚ then extracted with methanol (MeOH - 70%) four times‚ then concentrated under vacuum to yield 37 g. Polyamide and sephadex LH-20 chromatography columns were used to fraction the MeOH (70%) extract of Cajanus cajan. Seven flavonoid fractions were collected and identified
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Introduction In a chromatographic separation process‚ different kinds of functional groups and number of functional groups of molecules will determine the separation. Depending on what kind of solute‚ solvent‚ and adsorbent used‚ molecules will experience the interaction during dynamic equilibrium. On a TLC plate‚ capillary tube is used to transfer o- and p- hydroxyacetopheone‚ taking advantage of capillary force to make small spotting. A 30:70 ether acetate: petroleum ether is used as a solvent
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are jaw crusher‚ effect crusher‚ Vertical shaft impact crusher‚ hammer crusher‚ roller crusher and mixture crusher‚ and so on. Slag is a partially vitreous by-product of the process of smelting ore‚ which separates the desired metal fraction from the unwanted fraction. Slag is usually a mixture of metal oxides and silicon dioxide. Ground granulated slag is often used in concrete in combination. Ground granulated slag reacts with water to produce cementations’ properties. Concrete containing ground
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Political Reform and Elite Persistence: Term Limits and Political Dynasties in the Philippines∗ Pablo Querubin Harvard Academy for International and Area Studies October‚ 2011 Abstract Research in political economy emphasizes the tendency of elites to persist and reproduce their power over time‚ potentially undermining the effectiveness of institutional reforms. One particular form of elite persistence is illustrated by the existence of political dynasties. A natural question is whether
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Fractional Distillation of GSM Blue Pamela Trix Lanaja‚ Jonathan M. Librojo‚ Shaun Therence Mabunay and Carissa Mae Magdaleno 3Bio3‚ Department of Biology‚College of Science‚ University of Santo Tomas‚ Manila‚ Philippines Abstract G.S.M. Blue is composed primarily of water‚ sugar cane alcohol with essences of juniper berries and other botanicals with traces of impurities and flavourings and it has 32.5 percent alcohol by volume (65 proof). The experiment aimed to separate its
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Jenson 1 At the current rate of consumption‚ it’s not going to take long before we have used up all of what we have become so dependent upon. That is why the world is looking at a new source of energy. A very small and unexpected source that most would not even have considered an option; algae. Using biodiesel fuels harvested from algae is not only helpful for the environment‚ but is a smarter way to produce alternative energy‚ save money‚ create jobs and eliminate America’s dependency on foreign
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Urban areas tend to be warmer than surrounding rural areas due to urban heat islands Albedo is a major factor in increase of the urban temperature. Albedo is “the fraction of the total solar radiation incident on a body that is reflected by it.” Surfaces that have high albedo values absorb less incident radiation. Albedo is “the fraction of the total solar radiation incident on a body that is reflected by it.” Surfaces that have high albedo values absorb less incident radiation. Albedo values of some
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19 Page 2 INTRODUCTION Population ageing is constituted by a shift in the distribution of a country’s population towards greater ages. Thus an increase in the population’s mean or median age‚ a decline in the fraction of the population composed of children‚ or a rise in the fraction of the population that is elderly are all aspects of population ageing. Nowadays‚ population ageing is taking place in many developed countries; it has become a world-wide phenomenon‚ which causes many serious problems
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University of the Philippines‚ Diliman Abstract Dissolved organic matter (DOM)‚ the fraction passing through a 0.45 µm membrane filter‚ is considered poorly understood mixture of organic polymers because of its complexity. Although it largely influences a lot of biogeochemical processes in aquatic environments‚ its characterization is not that simple. However‚ due to the fact that it comprises optically active fraction called colored dissolved organic matter (CDOM) together with the help of its colloidal
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