镍

Polypyrrole nanofibers doped with Ni salt were synthesized by using the fibrillar complex as a seed template in the presence of Ni salt.

在镍盐存在下，以氯化铁和甲基橙溶液形成的化合物为种子模板，制备了镍盐掺杂的聚吡咯纳米纤维。

The values of equilibnum constants of the complex 〓 and 〓( M = Cu, Ni)are much smaller than those of 〓 and 〓 due to steric effect of fluorenyl.

循环伏安法研究了〓和〓铜、镍配合物的电化学性质，结果表明，〓和〓铜、镍配合物中〓的氧化还原过程都是单电子准可逆氧化还原电极过程。

Two skeleton nickel catalyst s A and B were prepared at 50 ℃ and 90 ℃ respectively and hydrogenation of furfuryl alcohol to tetrahydrofurfuryl alcohol was studied with the catalysts under different reaction conditions.

在中温和高温下制备了两种骨架镍催化剂 A和B，研究了不同的反应条件对两种骨架镍催化剂的影响，确定了最佳反应条件。

The THFA yield and selectivity were 2.0%higher than those by using catalyst Ⅰ without promoter,3.0%higher than those by using Raney nickel catalyst under the same reaction conditions and furfuryl alcohol conversion.

在相同反应条件和糠醇转化率条件下，四氢糠醇收率和选择性均比没有助剂的镍催化剂Ⅰ高2.0%，比骨架镍催化剂高3.0%。

Among whole technique exploitation process, this paper will emphasize in UV-LIGA process discussion , thick film photoresist SU-8 reflows generable fluid situation for dot shape influence and fixed Ni stamper manner whether it suits below thickness 0.5mm insert influence of electroforming Ni stamper.

在整个技术开发过程中，本文将著重在UV-LIGA制程上的探讨、厚膜光阻SU-8热回流时，所产生的流动情形对Dot形状的影响以及固定镍模仁之方式是否适用於厚度0.5mm以下电铸镍模仁的嵌入情形。

When hydrochloric acid was added into saccharin sodium solution,chemical reaction happened,whose product was glucide,which cannot be dissolved in water,however,it can be dissolved by ethyl acetate,therefore glucide can be extracted from other components,then can be determined by titration with sodium hydroxide.

利用糖精钠与盐酸反应生成不溶于水而溶于乙酸乙酯的物质，将其萃取出来，然后再利用氢氧化钠对其进行滴定分析，采用二分试差法准确测定了某镀光亮镍添加剂中糖精钠及某镀光亮镍液中糖精钠的含量，分别为88。

The procedures were effected by pH value,amount of humin and initial aqueous concentration of nickel.

通过液闪法分析得到胡敏素可富集镍，但是吸附受介质pH值、胡敏素用量和水相镍初始浓度等因素的影响。

An "indicator" condition for nickel excess which is quite distinct from yellow-green or yellow interveinal chlorosis caused by simple iron deficiency.

镍中毒的燕麦叶片：脉间几乎都是带有斜斑的白带；镍过剩的显示症状不同于由单独缺铁引起的脉间褪绿黄绿化或黄化。

The letter asked.there are very large contracts already let to Raibus, the locally owned business development company, to perform almost all janitorial, security, catering and other support functions.the technocrats we need cost money to bring to Papua New Guinea, and we only bring as many as the project needs at this crucial stage of the construction and development schedule.

镍矿把一个非常大的合同已经承包给当地的一家企业发展公司，以执行几乎所有的门卫、保安、餐饮和其他后勤功能。关于技术骨干，镍矿只会在这个项目的建设和发展的关键阶段才引进，需要时间。

It may be the third largest iron meteorite in China. Fe content is 94.02%, Ni content 5.29%, and Co 0.45% in the iron meteorite. The main mineral is kamacite, and crystal and aggregate of schreibersite were also found in the iron meteorite.

通过初步的化学分析和矿物学分析，发现其铁含量为94.02%，镍含量为5.29%，钴含量为0.45%，主要矿物为铁纹石，局部含有陨磷铁镍石的晶体或集合体，表明它是一块典型的铁陨石。

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