查询词典 gold chloride

Substances necessary for the photographic reproduction, collodion forpreparing the glass plate, nitrate of silver to render it sensitive,hyposulfate of soda to fix the prints obtained, chloride of ammonium inwhich to soak the paper destined to give the positive proof, acetate ofsoda and chloride of gold in which to immerse the paper, nothing waswanting.

通讯记者和他的助手不久就成为技术高超的摄影师了，他们拍了许多风景照片，例如在眺望岗上拍的、以富兰克林山为远景的海岛全景，山石巍峨的慈悲河口，背后陪衬着山岭的林间空地和畜栏、爪角和遗物角的奇形怪状的地势等等。

The property of P510 resin for adsorption gold from gold-bearing chloride solution and desorption gold has been studied.

用静态法研究了P510树脂从酸性含金氯化溶液中吸附金及其解吸金的性能。

This dissertation is mainly focused on the reactivity of methylenecyclopropanes and comprises six parts. 1 The reactions of methylenecyclopropanes with phenylsulfenyl chloride, phenylselenyl chloride and diphenyl diselenide; 2 The coupling reactions of the ring-opening products derivated from methylenecyclopropanes; 3 The palladium-catalyzed ring-enlargement of mono-aryl group substituted methylenecyclopropanes to cyclobutenes. 4 The gold-catalyzed domino ring-opening and ring-closing hydroamination of methylenecyclopropanes with sulfonamides; 5 The Lewis acid-catalyzed reactions of mono-aryl group substituted methylenecyclopropanes with diethyl ketomalonate in the presence of water; 6 The iodobenzene diacetate mediated novel 1,3-dipolar cycloaddition of methylenecyclopropanes, vinylidenecyclopropanes, and methylenecyclobutane with phthalhydrazine.

本论文主要研究了亚甲基环丙烷类化合物的一些化学反应性能，共由以下六部分组成：1、亚甲基环丙烷类化合物与苯硫氯、苯硒氯及二苯基二硒的反应；2、亚甲基环丙烷类化合物开环产物的偶联反应；3、单芳基取代的亚甲基环丙烷类化合物在钯催化剂作用下的扩环反应；4、金化合物催化磺酰胺对亚甲基环丙烷类化合物的串联开环关环氨氢化反应；5、路易斯酸催化亚甲基环丙烷类化合物与丙酮二羧酸二乙酯在有水存在下的反应；6、醋酸碘苯促进的亚甲基环丙烷类化合物、亚乙烯基环丙烷类化合物及亚甲基环丁烷类化合物与邻苯二甲酰肼的新型1，3-偶极环加成反应。

Brief description is given to the test on the technology for comprehensively recovering gold and silver from tellurium-bearing slag: Tellurium-bearing slag is ground and leached with water to produce crud tellurium dioxide which is then purified through ion precipitation and complexing purification process; leaching reside is leached with chloride to produce copper and bismuth, bismuth oxychloride is recovered through neutralization and hydrolysis and sponge copper is recovered through cementation; gold and silver in the remaining residue can be recycled to the gold and silver smelting system for recovery.

文摘：简述了碲渣综合回收金银等的工艺试验：碲渣经磨矿水浸碲产出粗二氧化碲，用离子沉淀和络合净化法提纯；浸碲渣用氯盐浸出铜铋，中和水解回收氯氧铋，置换回收海绵铜；残留渣中的金银可返回金银冶炼系统回收。

A method of sodium chloride roast/acid leaching of copper/cyanide leaching to raise leaching rates of gold,silver and copper from copper-bearing gold concentrate was proposed.

提出了一个含铜金精矿加氯化钠焙烧—氰化浸出的工艺方法。

Though the amount of gold in the seawater and bittern chemical resources is much low, the mechanism of extraction of gold from chloride solution by BODMAC was investigated here in order to achieve some theoretical fundamentals for extraction of gold from ocean resources.

虽然海水和苦卤中金的含量很低，我们在研究用BODMAC从苦卤中提铀的同时，也考察了BODMAC从氯化物中萃取金的机理。

The results show that BODMAC has good ability to extract gold from chloride, the composition of extraction species is BODMA·AuCl〓 The influence of NaCl concentration on distribution coefficient of gold is different from that of uranium .

结果发现，BODMAC从氯化物中萃取金的能力很强，通过紫外光谱和红外光谱确定了其萃合物的组成为BODMA·AuCl〓的离子缔合物，计算了其萃取反应的平衡常数为10〓。

Based on the predecessors experimental studies on the gaseous diatomic compounds of gold and on the chloride systems, this study approaches the volatile transport of gold related to organic matter in a new experimental system.

在前人已证明金呈气态双分子及金可在氯化物体系中迁移的实验基础上，本项成果在新的实验研究领域对金呈气相富集与有机质关系进行了探讨。

Following the industrialization programme for gold nanomaterials, auric chloride acid, potassium gold cyanide, superfine and nano-scale gold powders and"liquid gold"can be produced systematically.

为贵金属纳米材料的产业化指明了方向。提出了以粗金为原料，在工业上生产氯金酸、氰化亚金钾、超细和纳米金粉、金水等含金深加工产品的产业化系统方案。

The company integrates production and sales in the one-stop, operates mainly in the following items and product one, precious metal chemical raw materials: Rhodium powder, palladium powder, iridium powder, ruthenium powder, platinum powder, gold powder, rhenium powder, osmium powder, silver bullion, silver grain, Yang Polar silver plate, palladium chloride, 59.5%, ammonium chloride, palladium 50.3%, K Wong, fill port, K White fill port, 925 silver fill port, K gold solder films and so on.

公司集生产与销售于一条龙，主要经营以下项目与产品一、贵金属化工原料：铑粉、钯粉、铱粉、钌粉、铂粉、金粉、铼粉、锇粉、银锭、银粒、阳极银板、氯化钯59.5％、氯化铵钯50.3%、K黄补口、K白补口、925银补口、K金焊片等。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐