Liquid Nitrogen Liquid nitrogen is nitrogen in a liquid state at a very low temperature. Its chemical formula is N2. Manufacturing of Liquid Nitrogen Liquid nitrogen is made by cooling and compressing air straight from the atmosphere. The type used to produce large amounts of liquid nitrogen looks vastly different but really happens is that air squashed and cooled . When you squash it‚ air molecules are forced closer together. If you also cool it down the molecules can slow down enough to
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Nitrogen cycle Nitrogen gas is a colourless‚ odourless and non-toxic gas which makes up about 78 percent of the atmosphere. Nitrogen is extremely important to living material; in fact plants‚ animals and humans could not live without it. Sprent (1987) argued that nitrogen cycle is the most important process to living organisms after the carbon cycle. But nitrogen exists as dinitrogen (N2) in the atmosphere‚ which living things‚ particularly plants‚ cannot synthesize (citation) The process of nitrogen
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Table 1. Observations from week 2 for the detection of ammonia using the Nessler’s reagent and from week 1 for the pH using bromothymol blue indicator with the inoculation of P. vulgaris‚ P. fluorescens‚ and B. Cereus in peptone broth. Tubes were incubated at room temperature for 7 days and 14 days. Soil Microorganism Nessler’s Reagent (color reaction pH (bromothymol blue) Our results pH (bromothymol blue) Class results P. vulgaris Deep yellow ++ 8.0 8.0‚ 7.5‚ 6-7‚ 11.5 P. fluorescens
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The Nitrogen Cycle The Nitrogen cycle is the exchange of nitrogen gas in the earth’s atmosphere and living organism’s. Nitrogen is a necessity to all living organisms in their production of proteins‚ DNA‚ and RNA in their cells . However‚ only a few organisms can use this gas directly‚ due to the fact that it may limit the growth of plants. Nitrogen takes up about 78% of the earth’s atmosphere. The nitrogen cycle has three main chemical transformations‚ including nitrogen fixation‚ nitrification
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mineral nutrients‚ and none is more important than nitrogen‚ which is required in large amounts as an essential component of proteins‚ nucleic acids and other cellular constituents. There is an abundant supply of nitrogen in the earth’s atmosphere - nearly 79% in the form of N2 gas. However‚ N2 is unavailable for use by most organisms because there is a triple bond between the two nitrogen atoms‚ making the molecule almost inert. In order for nitrogen to be used for growth it must be "fixed" (combined)
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heart. http://www.webmd.com/diet/potassium-directory Beta-alanine – Supplementation of this non essential amino acid aids the production of carnosine. That’s a compound that plays a role in muscle endurance in high-intensity exercise. That said‚ studies have been small and not entirely conclusive. http://www.webmd.com/vitamins-supplements/ingredientmono-1222-beta-alanine.aspx?activeingredientid=1222&activeingredientname=beta-alanine
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theater than from life itself. The most elaborate themes from the poem are: the fact of all people being actors and how life is scripted. Biologically‚ life has always been broken down into three stages‚ however‚ Shakespeare separates life (of man) into several stages. These stages being: Infancy‚ Childhood‚ the Lover‚ the Soldier‚ the Justice‚ Old Age and then Death. The line‚ “And all the men and women are merely players‚” denotes how we (humans) are all voluntary actors from the same script
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Should Leslie Van Houten be released from prison based on her good behavior after serving over 47 years in prison? I think that in order for me to come up with a decision‚ I will need to fully understand everything about her. The first thing that I am going to research is the era that she lived in and what was happening in America at the time of her crime‚ such as political‚ social and racial movements. The next thing that I will look at is Leslie Van Houten’s background and what would influence
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Nitrogen Family (The traditional name for the elements in Nitrogen’s column‚ the “pnictogens”‚ comes from a Greek word for “choking” or “strangling”) P.7 Nitrogen: Fritz Haber discovered how to convert the Nitrogen in the air into an industrial product. Although nitrogen gas can suffocate those who are unsuspecting‚ tends to be benign‚ almost to the point of uselessness. The one important thing it can do is replenish the soil; it is as important to plants as vitamin c is to us. When pitcher
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BCR : the importance of nitrogen . I suspect that your instructor had some elements that he/she explained were critical to "a Well Designed Investigation." If I were you‚ I would get those out to start with so that you can make sure that you include all in your answer. 1. Probably they include negatives and‚ if possible‚ positive controls. Is your negative control a test plant that is planted in a pot with no legume planted in the pot? Do you have any other negative controls? How about positive
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