查询词典 NI

A three-electrode system composed of TiO2/Ni as the working electrode, porous nickel as the counter electrode and saturated calomel electrode as the reference electrode was used for the photoelectrocatalytic degradation of sulfosalicylic acid under anodic bias potential.

建立了以刮浆工艺制得的TiO2/Ni为工作电极、泡沫镍为对电极、饱和甘汞电极为参比电极的光电催化反应体系，研究了在磺基水杨酸的光电催化降解过程中，外加电压和溶液PH值对降解速率的影响。

A classification method based on Data-Fusion theory for Ni-MH cell was introduceed.

提出了一种基于信息融合理论的MH-Ni电池多参数的分类方法。

Centrifugally casted HP-Nb superalloy pipe and ICr5Mo steel flange was welded together by manual tungsten -inert - gas arc welding with Ni - based R - N1 wire.

用Ni基R-N_1焊丝作为填充材料，采用小线能量的手工氩弧焊方法可实现离心铸造HP-Nb高温合金炉管与1Cr5Mo钢法兰异质钢的焊接。

EFFECT OF TITANIUM CARBIDE ADDITION ON MICROSTRUCTURE AND MECHANICAL PROPERTIES OF ULTRA-FINE Ti-Ni CERMET

添加碳化钛对超细Ti-Ni金属陶瓷显微结构和力学性能的影响

TRANSVERSE RUPTURE STRENGTH OF Ni BONDED Ti CERMET AND FRACTAL DIMENSION ANALYSIS OF ITS FRACTURE SURFACES

Ni粘结的Ti金属陶瓷的横向断裂强度与断口的分形分析

The abundances of siderophile element Fe, Co, Ni, Au are close to those in Allende and CV chondrite, Na is slightly enriched and Mn,Cu show depletion.

亲铁元素Fe、Co、Ni、Au的丰度与Allende和CV陨石相应丰度接近，而Na略有富集，Mn、Cu显示出贫化的特征。

The elemental weight ratios (Na, K, Mg, Ca, Fe, Al, Ti, Mn, Ni)/Si of Ningqiang matrix are within the range of the corresponding ratios of CV chondrite matrix, Ca/Si and Al/Si ratios are high relative to those in the other CV chondrite matrix.

宁强基质的元素重量比值（Na、K、Mg、Ca、Fe、Al、Ti、Mn、Ni）/Si处于CV球粒陨石相应比值的变化范围之内，而Ca/Si、Al/Si值相对于其它CV陨石基质的同样比值较高。

This paper is focused on the preparation, characterization of metal clusters and theircatalytic performance in the enantioselective as well as stereoselective hydrogenations. It iscomposed of the five parts as follows: Chapter 1 A review was given on the two most studied enantioselective systems—Ni/TA and Pt/cinchona system, including some recent progress.

本论文研究了铂、铱纳米金属簇在α-酮酯、α-二酮不对称氢化中的催化性能及金属离子在α-二酮立体选择性氢化中的修饰作用，主要分为以下几部分：第一章对多相不对称催化体系一Ni／TA和Pt／cinchona及其一些最新进展作了较系统的评述；同时简要介绍了纳米金属簇的特性及其在催化中的一些应用。

Monsoon circulation index and Walker circulation index have good relationship with El Ni o weaken and La Nina ended in respectively.

分析发现季风环流强度指数极小值和Walker环流强度指数极大值的出现对SSTA转折均具超前性，因此，季风环流的变化对预报El Ni o减弱或La Nina结束及SSTA变化趋势具有一定的指示意义。

The problem of misusing of coating categories that exists in current super-hard abrasive coating/deposition and their correlative product is analyzed.This article is divided into two parts. The methods, performances and applications of electroplating and chemical plating Ni, Cu and plating metal which partly uses physical means, and some coati...

本文由于篇幅问题分为两部分，在中主要介绍了超硬磨料表面电镀和化学镀镀覆Ni、Cu及部分利用物理方法镀覆Ti等金属的方法、性能及用途；在中介绍了超硬磨料表面镀覆Ti等强碳化物形成元素及刚玉等方法、性能及用途。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。