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- diaryl hydroxy arsine 二芳基亚胂酸
- dipenyl hydroxy arsine 二苯胂酸
- Diaryl nitroxides are even more stable than the dialkyl nitroxides. 二芳基氮氧化物自由基比二烷基氮氧化物自由基还要稳定。
- Arsine is a colorless, poisonous gas that requires careful handling. 胂是一种无色的有毒的气体,需要小心地对待。
- They contain one or more functional group such as amide, hydroxy, or carboxy. 它们含有一个或多个功能团如:氨基、羟基、羧基。
- How to choose the base used in the synthesis of arsine ylide is studied. 本文主要研究了胂叶立德合成中碱的选择。
- The substance was identified as 22 hydroxy 23, 24 bisnorchol 4 ene 3 one. 待鉴定产物为 2 0 羟基 2 3,2 4 二降胆 4 烯 3 酮。
- The hydroxy proline contents were measured with the chloramine T method. 采用氯胺T法测定羟脯氨酸含量,为心肌胶原总含量。
- In this paper, the preparation of hydroxy ethyl chitosan sulfate was studied. 研究了磺化羟乙基壳聚糖的制备方法。
- Arsine is a toxic, colorless gas with a garlic-like odor at room temperature and atmospheric pressure. 胂是一种无色有毒气体,在室温和大气压力下会发出类似大蒜的气味。
- Two diaryliodonium tetrafluoroborates derivatives we re applied to synthesis of diaryl ether. 应用二芳基碘鎓离子氟硼酸盐合成了2个新的二苯醚类化合物。
- Typical of the dopant chemistry is the reaction for arsine, which is depicted with the deposition process in Fig. 9. 砷化三氢的反应是典型的掺杂化学反应,图9显示了该反应的淀积过程。
- Diagnostic criteria and principles of management of occupational acute arsine poisoning. 职业性急性砷化氢中毒诊断标准及处理原则.
- In the chemistry of squaric acid, we find first that 1,3- diaryl iso - squarylium amide can react with HMPA and other carboxylic amides. 研究了1,3-双芳基异方酰胺与六甲基磷酰三胺(HMPA)及其它羧酰胺的反应制得了15个既含芳胺基又含脂肪基的不对称方酰胺。
- An anhydride formed by the removal of a water molecule from the hydroxyl and carboxyl radicals of hydroxy acids. 内酯一种通过从酸的羧基中除去一个水分子而形成的脱水物
- This article provides the synthesis methods of high purity Arsine by arse nic,zinc and sulfuric-acid. 介绍了用砷、锌和硫酸合成高纯砷烷的方法;产品纯度为99.;995%25;总收率为85%25。
- Hill pig answers: Once? of Lang arsine oxime is dangerous advent, do not have time grind one's teeth. 山猪答道:你想想看,一旦危险来临,就没时间磨牙了。
- Study on Flavonoids Extraction and Function of Scavenging Hydroxy Free Radical from Lespeda. Dunnii. 春花胡枝子黄酮类化合物的提取及清除羟自由基作用的研究。
- Two diaryliodonium tetrafluoroborates derivatives we re applied to synthesis of diaryl ether.This method gave higher yield and purity .This process is easy to use. 应用二芳基碘鎓离子氟硼酸盐合成了2个新的二苯醚类化合物。该方法简便易行,收率高,质量好,适合于多取代结构较复杂的二苯醚类化合物的合成
- The phosphine and arsine absorb the ultraviolet light much more strongly than does silane, causing them to be deposited out on the walls of the container. 磷化氢和砷化三氢对紫外光的吸收比硅烷强烈得多,因此,它们就沉积在容器的器壁上。