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Methods Galangin was extracted with ethanol, degreased with ligarine, and extracted with chloroform.

方法采乙醇提取,石油醚脱脂,氯仿萃取,上聚酰胺柱得到高良姜素。

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Objective: To investigate the changes of glutamate (Glu) and gamma-amino butyric acid (GABA) contents in rat brain induced by chronic ethanol treatment and study the protective effects of piracetam.

采高效液相色谱电化学检测法分别测定大鼠小脑、大脑皮层、海马和丘脑中的谷氨酸及γ-氨基丁酸含量。

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Comparison experiments of water mist with polycomponent water mist,and the test on polycomponent water mist's extinguishing efficiency against ethanol and ethanol motor spirit fire were done.

进行了分细水雾与细水雾的灭火性能比较,和分细水雾对汽油火、乙醇汽油火的灭火性能。

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The perservative in liquid beverage was extrcated with n-hexane.The hexane layer was subjected to cyclodextrine polymer resin colume.The colume was eluted with aqueous solution of ethanol.

正己烷萃取液体饮料中的防腐剂,使萃取液经环糊精交联树脂分离后,乙醇溶液洗脱。

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The article has introduced the method such as methanol, ethanol, ethylene glycol, pointing out synthol is the new raw material of oildom.

介了由合成气为原料制取甲醇、乙醇、乙二醇等产品的方法,指出了合成气是石油化工的新原料。

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Objective To know the antimicrobial spectrum of ethanol extracts of Physalis alkekengi. var. francheti(Mast).Makino. through the study of antimicrobial activity in vitro.

摘要目的对锦灯笼宿萼乙醇提取物进行体外抗研究,了解其抗谱。

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The application of transketolase for industrial purpose, such as production of ethanol, biosynthesis of aromatic amino acids and enantiotopic chemicals were reviewed.

本文综述了该酶的工业生产及应领域,如乙醇生产,芳香族氨基酸和手性物质的生物合成等。

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Energy-saving ethanol dehydration techniques to produce dehydrated alcohol mainly included four measures as azeotropy distillation, extraction distillation, absorptive process and membrane separation.

摘要节能型乙醇脱水制备无水乙醇的方法主要有4种:共沸精馏法、萃取精馏法、吸附法和膜分离法。

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We used ethanol at different concentrations for the sciatic nerve stem of the unorganized hoptoad and measures its absolute refractory period.

本实对离体蟾蜍坐骨神经干进行不同浓度乙醇处理,测其绝对不应期。

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After ethanol extracted hepaticglycogen, it was identified by indic colorific mensuration and quantified with anthrone mensuration.Finally, experimentative design was bringed forward.

采三氯醋酸沉淀织蛋白质,乙醇提取肝糖原后,以碘呈色法对其鉴定,再以蒽酮法进行定量,最后提出对相关物质检测的实设计要求。

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Isobornyl ethyl ether was prepared by ethoxylation of camphene with absolute ethanol in the presence of DCP heat-resistant ion exchange resin.

工业莰烯在耐高温离子交换树脂DCP催化作下与无水乙醇反应生成了异龙脑基乙醚。

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A series of toxic products were produced after photocatalysis on ethanol, such as acetaldehyde, ethyl formate, ethyl acetate, diethoxymethane, 1,1-diethoxyethane.

如乙醇的反应产物包括乙醛,乙酸乙酯,乙酸甲酯,缩醛等一系列有害物质。

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The membrane can be used for concentrating ethanol from dilute ethanol-water mixture through pervaporation process owing to its alcohol-permselective properties.

通过对低浓度乙醇-水的渗透蒸发的研究,表明该膜是一种性能较好的新型优先透醇膜。

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Conclusion:The inebriant dose ethanol could enhance the amplitude of corticostriatal LTP through the way of activating immediate early gene.

致醉剂量酒精极有可能通过激活及早基因从而实现对纹状体LTP的增强作。

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The ethanol was dropped into furnace meanwhile ammonia was put through to nitempering. and the process parameter was optimized.

在通氨的同时,将乙醇直接滴入工作炉内,实现气体软氮化,并对工艺进行了优选。

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The polyamide resin has good ethanol solubility, gelling resistance and gelling recuperability, which is used as binder for ink.

该聚酰胺树脂具有较好的醇溶性、抗凝胶性能以及凝胶恢复性能等特点,在作为塑印油墨的连接料时尤为适。

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Crude polysaccharide was obtained from Agaricus blazei Murill fruiting body by hot water extraction, ethanol precipitation and pronase treatment.

从巴西蘑菇子实体中提取的水溶性粗糖经过脱蛋白、脱色等步骤获得半纯品糖。

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Objective:To study the influence of ethanol on absolute refractory period of sciatic nerve in hoptoad.

探讨乙醇对神经干绝对不应期的影响。

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Chondrus ocellatus collected in spring and autumn on the same seaside, respectively, was extracted by 95% ethanol.

本实分别对同一地点春季和秋季采集的角叉菜样品采95%乙醇进行提取。

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The major aromas were hexylic acid ethyl ester, benzyl ethanol, octylic acid and octylic acid ethyl ester.

主体风味成分是己酸乙酯、苯乙醇、辛酸和辛酸乙酯。

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Osmosis-解剖与生理

Also, oral bacteria convert ethanol to acetaldehyde which is a carcinogen.

此外,口腔微生物群可将转化为致癌物——醛。

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6 Minute English 六分钟英语

If they have a carbon atom in them then they're complex organic molecules, so things like very simple alcohols like methanol or ethanol, like what you would drink, are complex organic molecules.

如果分子里面有碳原子,那么它就是复杂的有机分子,所以像结构非常单一的酒精,如甲或,如你喝的酒,都是复杂的有机分子。

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TPO 综合写作 听力部分

It's true that when the ethanol is burned, it releases carbon dioxide into the atmosphere.

当然,燃烧燃料的时候是会向空气中排放二氧化碳。

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VOA慢速英语_美国

Right now, normal gasoline is mixed with 10 percent ethanol.

目前,正常汽油都会掺10%的。

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科学60秒 听力 2015年1月合集

It's also bad news for alternatives, like new facilities that turn corn stalks into ethanol.

而对替代品来说也是坏消息,如将玉米秸秆转化为的新设备。

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金融时报

So why is the airline industry so interested in ethanol?

为什么空业对如此感兴趣呢?

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VOA Special 2023年9月合集

For example, ethanol produced from farm-grown corn is grouped as first-generation ethanol.

例如,用农场种植的玉米中生产的被归类为第一代。

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NPR音讯 2013年11月合集

But it also wants people to start using higher ethanol fuels, so-called E15 and E85.

但是同时环保局也希望民众开始使用含量更高的燃油,如E15汽油和E85汽油。

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我这一天 第二季

We're currently the frontrunner in the development of cellulosic ethanol.

我现在是发展纤维素的领军企业。

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Scishow 精选系列

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.

终发现,这个人的消化系统中有过多的啤酒酵母,这本质上将的胆变成了一个发酵桶,可以将糖类糖转化为,让酩酊大醉。

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Osmosis-精神心理

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终的部位,这会影响胎儿各种组织的发育,其中包括大脑。

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VOA Special 2014年1月合集

" 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.

每年我都会报废旧车,取代以燃料效率更高的汽车,我准备使用更少的汽油,所以现在我对玉米的使用已经达到顶峰,这其实是在伤害农民。

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传说之境

Death by Vitamin C requires you consuming 738 grams, and death by alcohol means you need to consume 438 grams of pure ethanol, which is roughly 25 shots worth of 80 proof vodka.

维生素 C 的致死剂量是 738 克,酗酒致死意味着你得摄入 438 克的纯,大概是 80 度的伏特加喝个 25 杯。

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科学60秒-科学美国人 2023年5月合集

And the reason for that is there are hundreds of thousands of gallons of 95 percent ethanol in this room that we use to preserve specimens.

原因是这个房间里有几十万加仑的 95% 的,我用来保存标本。

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国家地理选编

Since the energy crisis of the 70s, some farmers have been diverting part of their grain harvest to make a fuel called ethanol.

自上世纪70年代的能源危机以来,一些农民一直在用的部分粮食收成生产一种叫做的燃料。

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VOA Special 2020年4月合集

The health crisis has sent the prices of ethanol sharply lower, hurting U.S. farmers and ethanol industries that make alcohol from corn.

这场健康危机使得价格急剧下降,损害了美国农民以及以玉米为原料制造酒精的行业。

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NPR音讯 2018年4月合集

This is a long and wide-ranging list. We have 128 products, from apples and berries to pork products, recycled aluminum, ethanol.

这是一份涉及范围很广的长名单。从苹果、浆果到猪肉产品、再生铝合金和,128项美国商品将被加征关税。

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AP 听力 2013年11月合集

Ethanol is supposed to be part of the government's green energy policy. The ethanol industry calls the AP report a smear.

本是政府绿色能源政策的一部分。行业称这份报告是美联社的故意抹黑。

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独霸 第一期

Growing corn (maize) as a feedstock to make ethanol occupies land that could otherwise be used for growing food, for example.

如,种植玉米作为原料生产占用了大量可用来种植粮食的土地。

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双语版 TED-Ed 演讲精选

But now surround it with a high concentration of an alcohol, like the ethanol or isopropanol found in most hand-sanitizers.

但是现在,我用高浓度酒精,也就是多数免洗洗手液都含有的或异丙裹住它。

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