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methyl-glyoxal相关的网络例句

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Objective: To develop a capillary gas chromatography method for determining the residue of dichlorovos, methyl parathion and malathion in Flos Lonicerae.

目的:建立测定金银花中敌敌畏、甲基对硫磷和马拉硫磷残留量的毛细管气相色谱分析方法。

At the optimum condition, which is at normal pressure and temperature 175-185 ℃, in mole ratio of phenol to DMC of 3:1, in 2 weight percent of catalyst to DMC, in 9ml/h of DMC feed rate and for reation period of about 12 hours, the yield of DPC is 23.5%, methyl phenyl carbonate yield is 47.89%, and the conversion of DMC is 82.4%. The reaction process was monitored and the reaction products were analyzied through gas chromatography and mass spectrograph.

在最适宜的反应条件下,即常压、温度在175-185℃范围内、苯酚与DMC摩尔比为3:1,催化剂与DMC摩尔比为2%左右、DMC滴加速率为9m1/h、反应12h,反应DMC总转化率为82。

The general formula of said soluble fluorine- containing aromatic medlin is as follows: the substituent group on side phenyl group in diamine monomer Ar includes methyl, trifluoromethyl, two trifluoromethyls or chlorine and trifluoromethyl.

可溶性含氟芳香聚酰亚胺具有如下通式:二胺单体Ar中苯侧基上取代基为甲基、三氟甲基、两个三氟甲基或者氯和三氟甲基。

Polybenzimidazolewas modified by means of blending with a novel heat-resistant resin methyl-di-phenylacetylene-silane,by which the meltability of PBI was impoved,and the time of the melting stage of PBI was prolonged,resulted in improvement of the processability of PBI,meanwhile the heat resistance of PBI did not decline,and the water absorption of PBI was lowered.

以一种新型耐高温树脂聚甲基二苯乙炔基硅烷通过共混改性聚苯并咪唑树脂,提高了PBI树脂的熔融性并延长了树脂熔融状态的时间,改善了PBI树脂的加工性能。同时PBI优良的耐热性保持不变,并降低了树脂吸水率。

Results show that the yield of 1-methyl-4,5-dinitroimidazole is 62%,and the melting point is 77℃.

优化了合成工艺,讨论了4,5-二硝基咪唑的硝化机理。

In the coupling reaction of 4 with 2-methyl-1-buten-3-yne the four- membered ring ligand is transferred to enyne to give the substituted eta3-butadienyl complex 5 containing the cyclobutenonyl group.

在4与2-甲基-3-炔-1-丁烯进行偶合反应后,四环结构仍然稳固存在,并转移到烯缺上形成一个含有四环结构的错合物5。

Methyl—1,4-naphtho-quinones,including phylloquinone(K1),menaquinones(K2),and menadione(K3). K1 is found in many green leafy vegetables. K2 is produced by a vast array of intestinal bacteria in human body. Menadione (K3) is not considered a natural vitamin K ,but rather a synthetic analoque acts as a provitamin .

Vitamin K是脂溶性维生素,以结构的不同分成K1、K2、K3,其中K1来自日常饮食中的绿叶蔬菜,K2来自肠道中之细菌合成,而K3则是合成维生素,维生素主要功能为催化肝脏合成凝血因子prothrombin促进凝血机制。

A new technique to deal with methyl mercaptan by chlorine oxidation was introduced.

介绍了用氯氧化法处理化工生产单元中排放出的甲硫醇尾气新技术。

A process for separating the product gas mixture from the catalytic synthesis of methyl mercaptan.

一种催化合成甲硫醇的产品气体混合物的分离方法。

The removal rate of methyl mercaptan and ethanethiol and its effect factors were mostly studied on kineties.

从脱臭反应动力学角度讨论了生物法脱除恶臭成分甲硫醇和乙硫醇的速率及影响因素。

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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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