挥发

While fluoride volatile, silicone oil is not.

然而六氟化物是挥发性的, 硅油是不挥发的.

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The preparation of α asarone from volatile oil of grassleaf sweetflag rhizome via alkali fusion was investigated.

对KOH熔融法从石菖蒲挥发油（以下简称挥发油）制备α细辛醚的工艺过程进行了研究。

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They found volatilization of dieldrin tended to decrease as bulk density increased.

他们发现狄氏剂的挥发常随紧实度的增加而减低.

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It is like the sense of chill that follows immersion of the hand in a volatile liquid.

这很像把手浸入挥发性液体后的那种凉飕飕的感觉.

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There is a slowly evaporating solvent in Aroma Reed Diffuser Oil that helps scent to disperse into the air at a very slow rate making for a long lasting scent.

无火香薰挥发精油的挥发介质是挥发性溶剂，它的主要作用是帮助香味散发，但又要保证挥发使用时间足够稳定，才会使产品的性价比更高（香味持久稳定）。

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Solubility and relative evaporation rates of coalescents will influence their evaporating process during the film formation.

成膜助剂的水溶性、相对挥发速度影响其在涂膜干燥过程中的挥发.

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At first the volatile a coal particle when the particle comes into a combustion chamber.

当煤粉颗粒进入高温的燃烧室时,首先受热析出挥发份,所以,挥发份的析出方式直接影响颗粒的运动和弥散.

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With a decrease in the mole ratio, volatilization of sulfur decreased rapidly.

随着克分子比的降低, 硫的挥发率也急剧下降.

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A new technique of extracting essential oil from Chinese herb and medicine was introduced.

介绍一种中药挥发油提取的新技术,对亚临界水在中药挥发油提取方面的应用进行综述.

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Cracking involves the chemical breakdown of higher, less volatile hydrocarbons into smaller molecules.

裂化是使较重的低挥发性的碳氢化合物分裂成较小分子的化学分裂.

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Volatiles should not be added to the epoxies to improve their viscosity.

不应将挥发物加到环氧树脂中去改善它们的粘性.

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A liquid fuel which easily evaporates and turns into vapour is called " volatile ".

易于蒸发和变成气体的液体燃料叫作 “ 挥发性 ” 燃料.

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Each shot of spray lingers on the beetle's body and may take several minutes to evaporate.

每次放射后残留在甲虫躯体上的液体要经过几分钟才挥发干净.

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The weight percent volatile ( and nonvolatile ) content can be calculated form the loss in weight.

可挥发物的重量 ( 和不可挥发 ) 可能通过计算重量的失去而得到.

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Identify the volatile product and comment.

鉴定此挥发性产品并评述.

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Objective : To analyze the amount of volatile content, borneo, in Danshen pill.

目的:分 析复方丹参滴丸中挥发性成分冰片的含量.

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The volatile oil in BHD was extracted by microwave radiation and SDE method with yield of 1.40%.

运用微波照射.同时蒸馏萃取法提取汤剂的挥发油，挥发油的收率为1.40%。

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Solvents are volatile from monlchamus membrane drying rate, which is called volatile.

溶剂从墨膜中挥发干燥, 被称为挥发速率.

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The nitrogen fertilizer losses in paddy field involve nitrification-denitrification, ammonia volatilization nitrate leaching and runoff.

稻田中氮素损失途径主要有氨挥发、硝化 - 反硝化 、 淋洗和径流,其中氨挥发是氮素损失的主要途径.

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Another field trial had shown that catches were increased if volatiles from a steam distilled extract of peach leaves were released simultaneously with nepetalactone.

另外进行的田间实验表明寄主植物挥发性物质对蚜虫性信息素诱蚜效果有影响，当荆芥内酯诱捕器同时释放桃叶挥发物时，诱到的桃蚜雄蚜数量明显增加。

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The LV zone is due to interstitial free volatiles and incipient melting.

低速层是由于空隙自由挥发和初期的熔融作用造成的.

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Study on the levels of volatile halogenerated hydrocarbon in drinking Linyi City.

饮用水;挥发性卤代烃;氯仿;四氯化碳.

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The volatilization experiments manifest the restrain to nitrogen volatilization of coated fertilizer is apparent. Compared with uncoated fertilizer CK, the nitrogen volatilization of PG, PGg, PGf coated fertilizer decrease by 18.1%, 26.0%, 19.3% respectively.

挥发试验结果表明，包膜肥料对抑制氮素挥发具有明显的作用，PG、PGg、PGf与CK相比，氮素挥发总量分别减少了18.1%、26.0%、19.3%。

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The latex concentration is raised by evaporation or centrifugation.

通过挥发或离心作用提高胶乳的浓度.

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The elements with high volatile ability would disp ose into the air.

大部分元素在煤的燃烧产物中得以富集,一些挥发性强的元素将扩散到大气中.

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In understanding indoor air main volatile organic matter pollutes a state.

了解室内空气中主要挥发性有机物污染状况.

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OBJECTIVE To study the chemical constituents of the volatile oil of Ligustrum lucidum Ait.

目的研究甘肃产女贞子挥发油的化学成分,比较不同产地的女贞子挥发油药用成分.

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The spray drying method was used to prepare the oil microencapsulated, as oil of Herba Agastachis.

本文采用喷雾干燥法制备藿香油等挥发油微囊, 考察了油、水、胶三者比例对挥发油保留率的影响.

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The balance was carbonaceous fraction , the nonflammable inorganic fraction was negligible.

其余为不挥发的可燃物碳粒, 不可燃的无机物极少.

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Pure solvent fast, resin adding volatile liquid slowly, then more slowly pigments.

纯溶剂挥发快, 树脂液挥发慢, 加入颜料后就更慢.

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