Objective To investigate the alcohol extractive technique of hyperin from Hypericum(perforatum) Linn.
目的探索贯叶金丝桃药材中金丝桃苷的
醇提取工艺。
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剖与生理 The U.S. Environmental Protection Agency lists products containing ethyl alcohol and hydrogen peroxide as likely being effective cleaners but the race is on to see what else can do the trick, essential oils, candles, ultraviolet light.
美国环境保护署列出了含有
和双氧水的产品，这些可能是有效的清洁剂，但目前还在寻找其他有效产品，精油、蜡烛、紫外线等。
What they eventually find, is that the guy has an over-abundance of brewer's yeast in his digestive system, and it's basically turning his guts into a fermentation vat, converting carbohydrate sugars into ethanol, and getting him sloshed.
他们最终发现，这个人的消化系统中有过多的啤酒酵母，这本质上将他的胆变成了一个发酵桶，可以将糖类糖转化
，让他酩酊大醉。
In FAS, ethanol interferes with cell division and proliferation, cell growth and differentiation and with the migration of mature cells to their final location in the developing embryo which affects the development of various fetal tissues, including the brain.
在FAS中，会干扰细胞分裂、增殖，影响细胞生长和分化，并且在胚胎发育的过程中，妨碍成熟细胞迁移到它们最终的部位，这会影响胎儿各种组织的发育，其中包括大脑。
" Every year we take older cars off the road and replace them with more fuel-efficient cars, we're going to be using less gasoline, so now that we've reached this peak in corn ethanol it's actually hurting farmers, " said Turner.
每年我们都会报废旧车，取代以燃料效率更高的汽车，我们准备使用更少的汽油，所以现在我们对玉米的使用已经达到顶峰，这其实是在伤害农民。
双酯酯化反应的合成原理及其工艺操作方法。
、脑细胞毒作用。
化碳、二氯
醇
。
如甲
