nickel 四级六级考研雅思GMAT

Nickel can be used for making coins.

可做成钱币。

Can you give me a dime for two nickels?

"我给你两枚五分币换你一枚一角银币,成吗?"

This is essentially a development of thoria dispersion strengthened nickel alloys.

本上是用二氧化钍弥散强度化的合金。

Nickel underplating prevents the migration between tin or gold platings and the base material.

垫板镀可防止在镀锡或金层与料之间的移。

A wet process dealing with deplating solution bearing nickel-copperto recovery nickel sulfate has been developed.

证明用湿法新工艺可成功地从、铜退镀废液中回收硫酸。

Furthermore, the protein isolated in the periplasm can be purified by nickel ion affinity chromatography.

而且从周质空间分离的蛋白经过住得到了进一步的纯化。

The method for the determination of nickel in stainless steel by rapid spectrophotometric with diacetyldioxime is set up.

建立测定不锈钢中的丁二酮肟快速光度法。

Qualified nickelous, sulfate, nickelous nitrate and nikel monoxide were prepared with waste raney nickel catalyst as raw material.

以废雷尼催化剂为原料，制备出合格的硫酸、硝酸和氧化。

With regards to the surface treatment, our crafts include nigrescence, phosphorization, zinc plating, dacromet, nickel plating and copper plating.

表面处理有发黑、磷化、机械镀锌、达克罗、镀、镀铜等工艺。

The effects of process of electrolytically deposited nickel on the active side of oxidizing atomic hydrogen on base current were investigated.

研究了镀的工艺对原子氢氧化活性表面的背景电流影响。

Result The top 5 chemical allergic resources of these patients were 0.1% thiomersalate, 5% nickel sulfate,7% aromatic compound,1% formaldehyde( water solution),1% styrene.

结果居常见致敏原前5位的化学物质分别是0.1%硫柳汞、5%硫酸、7%芳香混和物、1%甲醛(水溶液)、1%肉桂醇。

Mineral exploration made important progress in .coal, uranium, iron, gold, silver, copper, nickel, zinc, lead, antimony, tungsten, molybdenum, vanadium, kainite and characteristic non-metal.

矿产勘查在煤、铀、铁、金、银、铜、、铅、锌、锑、钨、钼、钒、钾盐及特色非金属矿产等方面取得重要进展。

Process of surface treatments include gold plating, silver plating ,nickel plating, chrome plating, tin plating, zinc plating, electrostatic painting, cataphoretic coating, aluminium oxidizing, etc.

产品的表面处理（镀金．银．．铬．锡．锌．静电喷涂．喷漆等）。

A method to measure the content of nickel in the nickel iso - caprylate by complexometric titration using ethylenediamine tetraacetic acid (EDTA) was set up.

建立用乙二胺四乙酸(EDTA)络合滴定法测定异辛酸中含量的方法。

The process of decoppering through insoluble anode electrolysis in the solution produced by leaching high grade matte nickel using chlorine is intro-duced in this paper.

本文介绍了氯化浸出高冰溶液采用不溶阳极电解脱铜的方法。

The thermoanalysis results of the catalysts show that interactions between the precursors of nickel and carrier change with the nickel loading during the calcination treatment.

热分析表明，焙烧过程中不同负载量的催化剂前体与载体前体之间发生的相互作用不同。

A new camphol sandaliol was synthetized by selective alkylation of isocamphol and phenol with acidic catalyst, and following hydrogenated in the presence of Raney nickel.

本文用异龙脑与苯酚在酸性催化剂作用下进行选择性烷化反应,再经催化氢化还原得到龙脑檀香产品。

In the present study the rotating cylinder Hull cell has been utilized to evaluate the nickel sulphamate electrolyte.Experiments were carried out with various nickel sulphamate ...

本文利用旋转圆筒赫尔槽,采用不同的电解质浓度和旋转速度评价了氨酸电解质溶液的性能,并测定了溶液的分散能力。

Moreover, it was feasible to reduce the oxidation of the alkynol brighter by choosing active nickel as the anode in the bright nickel electroplating.

选择活性作为光亮镀阳极，可以减少炔醇类光亮剂的氧化。