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- Zincke preparation of sulfenyl halides [化] 青克硫基卤制备
- sulfenyl halides 硫基卤
- Alkyl halides are reacted with sodium nitrite. 卤化烷与亚硝酸钠反应。
- It contains halides used for rinsing processes. 它含有卤化物,用于水洗制程。
- The general answer to this problem is to avoid alkyl halides. 解决这一问题的一般办法是避免使用烷基卤。
- Lead halides and lead phosphors in certain gas discharge lamps. 某些气体放电灯中:铅的卤化物和铅的磷酸盐。
- The alkali halides can be grown into large crystals of excellent transparency. 硷金属卤化物能生长成具有优良透明性的大晶体。
- Using ortho-bis(porpargyl alcohol) derivatives as starting materials, we employed sulfenyl or sulfinyl chloride under base condition to generate bis-allene intermediates. 所采用的合成方式以邻位二丙炔醇为起始物,在碱性环境中与次磺氯或亚磺氯作用生成丙二烯后,再经环化反应得多并苯化合物。
- These derivatives are readily obtained by alkylation of 2-mercaptopyridine and alkyl halides under alkaline conditions. 这些衍生物可以容易地在碱性条件下通过2-巯基吡啶和卤代烷的烷基化而得到。
- W, Mo,Re, Ru, Ti, etc. halides and their organometallics are effective catalysts for NBE polymerization. 由于聚合反应发生在NBE环上,其衍生物上的取代基赋予了该聚合物特殊的功能,为合成大分子单体提供了一种新方法。
- Luminous characters of thallium iodide used as luminous material in metal halid... 文章用图表介绍了碘化铊用作金属卤化物灯发光材料时的发光特性。
- Fixing: The removal of unexposed silver halides from the film during processing. 定影:在冲洗过程中,除去胶片上未曝光的卤化银。
- The halides of MnCl_2, CdCl_2, ZnF_2 and NaF reduce weld penetration as well as width. 卤化物MnCl_2,CdCl_2,ZnF_2,NaF都使熔深减小的同时也减小熔宽。
- Alkylation of wheat straw alkaline lignin was conducted by reacting lignin with different alkyl halides. 用不同的卤代烷烃与碱木质素进行烷基化反应。
- Novel Distance-related matrix index and QSPR Research for Thermodynamics of Methyl Halides, 第二;J. Wuhan Univ. 基于距离矩阵的拓扑指数的修正及其意义;第二;武汉理工大学学报,2005,
- The research progress in palladium catalyzed amination is reviewed and prospected by using aryl halides as clue. 本文以卤代芳烃为线索,对钯催化偶联胺化反应的研究进展进行了综述和展望。
- In the third chapter, the coupling of aryl halides with pyrrole, indole, imidazole, pyrazole was investigated. 芳基碘代物、溴代物与芳胺的偶联则仅限于与富电子芳胺的反应取得了成功。
- The internuclear distances and force constants of the elementary molecules as well as of the nitrides and halides, exhibit a similar behavior. 单质分子和氮化物与卤化物,其核间距与力常数都表现有相似的行为。
- Chemical fog Overall density produced by an excessive degree of development, due to unexposed silver halides being attacked by the developing solution. 化学灰雾显影过度造成全面性增加的密度。是由于未曝光的卤化银被显影液感染所引致。
- Halides The general name for a large class of compounds formed by halogens with metals.They are called the chlorides, bromides iodides or fluorides. 由卤素和金属直接结合而成的一大类别的化合物。它们称为氯化物、溴化物、碘化物或氟化物。