查询词典 dichloride

The weight ratio of catalysis system and ammonium lactate being 0.005-5％, and the magnetism solid acid catalyst and tin dichloride being 20∶1-1∶20; c.

催化体系总的加入量为乳酸铵重量的0.005-5％，磁性固体酸催化剂与二氯化锡的重量比为20∶1-1∶20；c。

Single crystal of Arginine dichloride dihydrate was studide by x-ray diffraction expriments in emphasis of main influence factors of arginine conformational variation,and was also compared with its other conformations in the existence of different anions.

以X光衍射实验对二水合氯酸的晶体结构进行了研究，重点讨论了影响精氨酸构象变化的主要因素并比较了在不同阴离子存在条件下精氨酸构象的变化情况。

Key words 〗 Ultrasonic extraction; Semi volatile organic compounds ; Soil; Methylene dichloride; Soxhlet extraction

关键词〗超声波萃取；半挥发性有机物；土壤；二氯甲烷；索氏提取

This is ascertained by the similar reponse properties of the electrode based on the complex 4, 4', 4", 4'"tetra-tert-butylphthalocyanine cobalt dichloride prepared by oxidation of TTBPcCo.

利用氧化法制得的二氯化4，4'，4"，4'"-四特丁基酞菁钴呈现出对亚硝酸根相似的电位响应性能，初步证实了电极的响应机理假说。

Cobalt dichloride can induce apoptosis of rat hepatocellular cell line CBRH7919, and HIF-1α plays an important role in this hypoxia-induced apoptosis.

大鼠肝癌细胞随着缺氧程度的加重，细胞凋亡明显增加，伴随细胞周期进入G0/G1，阻滞及线粒体膜电位降低；HIF-1α的表达增加在此过程中发挥重要作用。

The preparation of heat stabilizer with 2-Ethyl Hexyl Thioglyclloate and di-n-octyltin dichloride or di-n-octyltin oxide.

摘 要：以自制的二正辛基氧化锡和巯基乙酸异辛酯为原料，采用四种合成双巯基乙酸异辛酯二正辛基锡的方法。

Silicon phthalocyanine dihydroxide was prepared from silicon phthalocyanine dichloride through two methods. The first was alkali treating that meaned silicon phthalocyanine dihydroxide was treated in the ethanol solution containing sodium methylate .The second was acid treating meaned precipitating its solution in concentrated sulfuric acid into ice water. The product yield of the second method was 77.0％, which was higher than the method of alkali treating.

此外将合成的二氯酞菁硅采用两种方法转化为二羟基酞菁硅，第一种方法是碱处理法即将二氯酞菁硅在甲醇钠的乙醇溶液中回流得到，最高收率为53％第二种方法是酸处理法即采用二氯酞菁硅的硫酸溶液在冰水析出的方法转化为二羟基酞菁硅，其中酸溶析出法收率为77.0％。

The amphoteric surfactant,{N,N-Bis-[2-hydroxyl,3-(N',N'-dimethyl,N'-tetra decyl)amino]propyl} glycine dichloride is synthesized by the reaction of glycine ,epoxy chloropropane,and N,N-dimethyldodecylamine via two steps.

结果表明，合成产品的较佳反应条件是pH值9～10，反应温度60～70℃；产品的发泡、稳泡性能好，表面活性高，与香波中的其它组分相溶性好

Utilizing 6 and several kinds of diazides prepared in our lab, polys containing 1,2,3-triazolyl and perfluorocyclobutane units were synthesized by "Click chemistry". Utilizing the polycondensation reaction between 6 and several commercially available aromatic diphenol or copolymerization reaction after adding another active aromatic dichloride, fluorinated polys containing phenylphosphine oxide units were synthesized. Utilizing the polycondensation reaction between 6 and several commercially available aromatic dianhydride, fluorinated polys containing PPO units were synthesized.Secondly, structure characterization of fluorinated polys.

利用化合物6同各种自制的二叠氮化合物，通过&Click chemistry&，合成了具有1，2，3-三唑环结构单元的全氟环丁基类聚芳醚；利用化合物22同各种商业化的芳香二元酚类化合物进行缩聚反应或者再加入另外一种活性芳香二氯代物进行三元共聚反应，制备了具有苯基氧膦结构单元的含氟聚芳醚；通过化合物25同各种商业化的芳香二元酸酐类化合物进行缩聚反应，得到了具有PPO结构单元的含氟聚醚酰亚胺。

AFM, EPMA (Electronic Probe Measurement Analysis) and SEM were used to study the mechanism of bisquats named MDOPD N Metronidazole N (Dodecane 3 Oxal 1,5 Pentanedilamonium Dichloride against Total Growth Bacteria in the culture medium.

研究结果表明：MDOPD能够在培养基中的碳钢金属表面优先吸附，形成完整致密的有机吸附膜，使细菌新陈代谢产物难以到达金属基体表面；同时，MDOPD使生物膜的沉积变得疏松，氧浓差腐蚀和膜下硫酸盐还原菌引起的腐蚀都受到有效的抑制

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。