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In order to develop the new desalination method which has the virtues of simple equipments and technology, non-pollution and low cost, a foam fractionation technology of removing CuSO4 from the simulated aqueous solution was studied by using dodecylbenzenesulphonic acid and (1-hexadecyl) trimethyl ammonium hydroxide as surfactant.

为了探索设备和工艺简单、低污染、生产过程费用低的脱盐新方法,以十二烷基苯磺酸和十六烷基三甲基氢氧化按为表面活性物质,采用泡沫分离技术对脱除水溶液中微量的硫酸铜进行了研究。

Objective To establish GC method for the simultaneous determination of methamphetamine, amphetamine and caffeine in whole blood and urine.

目的 建立同时测定血、尿中甲基苯丙胺和咖啡因含量的方法。

One of the metabolites of methamphetamine is amphetamine

甲基苯丙胺会产生代谢物安非他明。

Methoxycarbonyl-4-(4-methoxyphenyl )-6-methyl-3, 4-dihydropyrimidine-2(1H)-one was synthesized from anisaldehyde, methyl acetoactate and urea in presence of HF-1O1 strong acidic ion-exchange membrane.

在HF-101强酸性离子交换膜的存在下,由对羟基苯甲醛、乙酰乙酸甲酯与脲一步合成了5-甲氧羰基-4-(4-甲氧苯基)-6-甲基-3,4-二氢嘧啶-2(1H)-酮。

These studies indicate that the boron fluoride with nitromethane or acetone system with higher separation factor is superior to the anisole system used currently,but a more detailed study is.

采用苯甲醚、硝基甲烷、丙酮、甲基异丁基甲酮4种络合剂分别与三氟化硼合成出了4种络合物体系。

Thus, the synthesis of anisole by O-methylation of phenol with DMC had been extensively investigated using phase transfer catalysts, organic alkaline catalysts or zeolites catalysts.

相转移催化剂,有机碱类催化剂以及分子筛催化剂是DMC甲基化苯酚合成苯甲醚这一反应的高效催化剂,研究的比较广泛和深入。

Photoinduced reactions of 1 with 15, 16 and 19 gave the corresponding annulation products 21 (58%), 30 (71%) and 35 (87%) directly in one pot sequential reactions.

二氯香豆素(1)可分别与2-和3-苯基苯并呋喃以及2-甲基-4-苯基噻唑在光照条件下经一锅内的连续反应直接合成增环产物21(58%),30(71%)和35(87%)。

The course of reaction was monitored by estimating the amount of isopropanol liberated in benzene-isopropanol azeotrope in each case.

合成是在苯溶液中采用了金属/非金属的异丙氧基化合物和N-(2-甲基)苯基甘氨酸按1:1和1:2的配比完成的。

Illegal has the narcotic crime is indicates the knowledge is the opium, the heroin, the methyl benzedrine or other narcotics, but illegal has and quantity big behavior In drug-related crime big family, It resides in the status which links the preceding with the followin 民法 g, Has its special existence significance for the strict drug-related crime law net to reveal the crime.

非法持有毒品罪是指明知是鸦片、海洛因、甲基苯丙胺或者其他毒品,而非法持有且数量较大的行为。在毒品犯罪的大家庭中,其居于承上启下的地位,是为了严密毒品犯罪的法网而有其特殊存在意义的兜底性犯罪。

Illegal has the narcotic crime is indicates the knowledge is the opium, the heroin, the methyl benzedrine or other narcotics, but illegal has and quantity big behavior In drug-related crime big family, It resides in the status which links the preceding with the following, Has its special existence significance for the strict drug-related crime law net to reveal the crime.

非法持有毒品罪是指明知是鸦片、海洛因、甲基苯丙胺或者其他毒品,而非法持有且数量较大的行为。

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My first article for Screen Power Magazine, which is to this day is the official magazine of Jackie Chan, was a DVD review of the Hong Kong actioner Gen-X Cops, starring Nicholas Tse and Daniel Wu.

我的第一篇文章为屏幕力量杂志,在对这天是Jackie Chan 正式杂志,是香港actioner Gen X 警察的DVD 回顾,担任主角Nicholas Tse 和丹尼尔吴。

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他的唇使吃草了 hirs,现在你将要做什麼?

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