Increasing chloride densities in North American lakes could begin to upset local ecology and degrade sources of drinking water. Many local governments are looking for alternatives to rock salt. Other salts such as magnes...
Liam then went to his friend, Fraser Tuck, for help. And together they came up with the idea of “LifeHeat” —a self-heating life jacket. After several experiments (实验), Liam and Fraser came across calcium chloride (氯化钙): a chemical (化学品) that creates heat when touching water...
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One exception is Amy Lanou Ph.D., nutrition director for the Physicians Committee for Responsible Medicine in Washington, D.C., who states that: “The countries with the highest rates of osteoporosis are the ones where people drink the most milk and have the most calcium in their diets. Th...
) Calcium oxide; unslacked lime; -- so called because when wet it develops great heat. See 4th Lime, 2. Quickly (adv.) Speedily; with haste or celerity; soon; without delay; quick. Quickness (n.) The condition or quality of being quick or living; life. Quickness (n.) Activity; ...
aYou always do me proud. 您总做我骄傲。[translate] aChlorination of ketones can also be accomplished with sulfuryl chloride as exemplified below. In the second example,chlorination of the more highly substituted position,resulting from the more stable enol,is noteworthy. 酮的氯化可能也完成与sulfuryl...
accidents. liam then went to his friend, fraser tuck, for help. and together they came up with the idea of "lifeheat"—a self-heating life jacket. after several experiments (实验), liam and fraser came across calcium chloride ...
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