, ice is less dense than water and floats on it. because of hydrogen bonding between water molecules, the latent heats of fusion and of evaporation and the heat capacity of water are all unusually high. for these reasons, water serves both as a heat-transfer medium ( e.g., ice for cooling and steam for...
for plants. one of the most common "disease" symptoms in tomatoes – blossom end rot – is really a sign of calcium deficiency. conventional gardening and farming largely ignore these, especially calcium, in favor of short-term remedies. organic gardeners often ignore them, too, in favor of organic matter...
be subject to an excise tax of up to percent on gross sales. · the us prices of those drugs would be tied to a benchmark index of prices in other developed countries. · and, for all drugs, manufacturers would have to rebate back to medicare any price increases that exceed the rate of inflation. sweetening...
lactic acid bacteria, our science-based silage inoculants have been shown to enhance silage quality by improving fermentation, while inhibiting the growth of yeast and mold. research-proven results include: superior aerobic stability early opening – stable silage at days of fermentation increased dry matter...
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up to % cobalt. these alloys have better mechanical properties than the individual metals and are said to be equivalent to sulphur containing nickel when combined with chromium for outdoor protection. bright levelling unalloyed cobalt decoratively plated with chromium was also used successfully for...
secondary or tertiary amines. examples of cyclic amines include the -membered ring aziridine and the six-membered ring piperidine . n-methylpiperidine and n-phenylpiperidine are examples of cyclic tertiary amines. it is also possible to have four organic substituents on the nitrogen. these species are not...