查询词典 sodium cyanide

The part to be case hardened is immersed in a bath of fused sodium cyanide salts at a temperature slightly above the Ac1 range, the duration of soaking depending on the depth of the case.

需表面硬化的零件浸没在略高于 Ac1 温度熔化的氰化钠盐溶液中，浸泡的持续时间取决于硬化层的深度。

The part to be case hardened is immersed in a bath of fused sodium cyanide salts at a temperture slightly above the Ac range, the duration of soaking depending on the depth of the case.

将部分案件硬化是沉浸在洗澡的融合氰化钠盐，温度略高于交流范围，浸泡时间取决于深度案件。

"Cyanide process: or MacArthur-Forrest process, Method of extract ing silver and gold from their ores by dissolving them in a dilute solution of sodium cyanide or potassium cyanide."

氰化法：亦称麦克阿瑟－福莱斯特法，是将含金和银的矿石溶解于氰化钠和氰化钾稀溶液中，以提取金和银的一种方法。

Applying sodium cyanide because it is extremely dangerous to man, mammals, and birds.

申请氰化钠，因为它是极其危险的人，哺乳动物和鸟类。

Chemical corporations within this region may provide matching chemical products and raw materials such as citric acid, starch sugar, L-lactic acid, nitrochlorobenzene, paranitrophenol sodium salt sodium para-nitro phenolate, pphenylenediamine , sodiumhydroxide, benzene anhydride, carbonic acid propylene grease, polyacrylamide ,2.4- dinitrochlorobenzene, 2.4- dinitrosixchlorin, and sodium cyanide.

区内化工企业可配套提供柠檬酸、淀粉糖、 L —乳酸、硝基氯苯、对硝基酚钠、对苯二胺、烧碱、苯酐、碳酸丙烯脂、聚丙烯酰胺、2.4—二硝基氯化苯、2.4—二硝基6氯、氰化钠等化工产品或原料。

The elution results showed that there would be a definite effect after the fiber was treated by sodium cyanide after elution by sulphuric acid and ammonia, then with sodium nitrate.

铁的解吸探索实验发现，用第一步硫酸解吸回收氰化氢的氢氧化钠溶液处理第二步氨水解吸后的纤维，然后用硝酸钠解吸，有一定的效果。

When determine free sodium cyanide in cyanide solution, a positive deviation presents markedly due to dissociation of part complex ions of zinc and copper.

银量法测氰化液中游离氰化钠时铜锌络离子的部分解离造成显著的正偏差。

Sodium metal, as the products of chemical industry taking sodium salt as the raw material, has been widely applied to the production of sodium cyanide, sodium dioxide and the reducing agent concerned to metallic titanium, dyestuff, medical and synthetic organic products, as well as the refrigerant of atomic reactors.

金属钠是以钠盐为原料的化工产品，广泛用于制造氰化钠、过氧化钠和金属钛的还原剂，可做染料、医药、有机合成产品；还可做原子能反应堆的冷却剂。

PEG400, which is poisonless, low cost with good capability of carrying sodium ion, was used as catalyst, and sodium cyanide owing to its less toxicity, stability, less amount in the reaction, was used as cyanating reagent in the reactions.

在有机卤代化合物或酯与PEG400、NaCN的用量比分别为1∶0.03和1∶1.3的条件下，获得了高收率（84％-96％）和高纯度（≥98％）的腈化物。通过几种不同溶剂下反应的对比，选择了以苯为溶剂，在酰氯与PEG400、 NaCN的用量比分别为1∶0.05和1∶1.2及反应温度为室温的条件下，合成了酰基腈化物。

Silver nitrate titration ; cyanide solution ; free sodium cyanide ; determination ; disturbance ; correction.

沈阳黄金学院；黄金， GOLD ，编辑部邮箱 1995年 02期银量法；氰化液；游离氰化钠；测定；干扰；校正

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。