查询词典 selective

Thorpe also showed that the chaffinch is selective in what it will imitate.

索普还证明，苍头燕雀学歌是有所选择的。

He chelation of maleate-acrylic acid copolymer for calcium ion in water was determined by Ca ion-selective electrode analysis.

用钙离子选择电极测定了马来酸酯－丙烯酸共聚物对水中Ca的螯合作用，结果发现在井水

Its common useis in conjunction with selective gas chemisorption for verification of metal surface area.

它通常是和选择性气体化学吸附结合起来使用，以确定金属表面积。

A new dressing technology, selective flotation separation of gold, and flotation separating pyrite from arsenopyrite with chlorinated lime as the oxidizing agent, and magnetic separation of pyrrhotite from arsenopyrite is adopted and good beneficiation indexes are achieved.

天马山矿矿石属含砷高硫难选金矿石，对该矿石进行了选矿工艺研究，采用优先浮选金、漂白粉作氧化剂氧化浮选分离黄铁矿和毒砂、磁选分离磁黄铁矿和毒砂工艺，综合回收金硫砷，取得较好选别指标。

In my opinion, Cu complexes with unsaturated alcohol to form a complex compound; the nitrogenous compound introduced serves as the complex compound's stabilizing agent and reduces activation energy of reaction; TMPO serves as oxygen carrier and displays it's selective oxidation function. This new method and mechanism also demonstrates significance to other similar organic reactions.3 In the chlorohydrin reaction, NaCIO is replaced by Ca2see Chapter4.4.3.4(2 .A, this method hasn't been reported in previous literature,which exerts more buffer action to the react system, the yield increased from 52% to 88.6%; at the same time it solve the problem of poor stability and low percentage composition of NaCIO.

认为：CuD与烯醇形成络合物：含氮有机物的引入起到稳定络合物，降低活化能的作用：而TMPO则充当携氧子起传递氧的作用，并具有选择氧化功能：这种新的方法和理论对类似的反应(不饱和醇类在络合体系下选择性催化氧化为对应的醛也具有重要的指导作用。3在异戊二烯的氯醇化反应中，用次氯酸钙代替次氯酸钠见第4章4.3.4(2.A，本方法未见文献报道，使反应系统更加温和，收率由52%提高到88.6%：并解决了次氯酸钠稳定性差、有效氯含量低的实际问题，具有重要的实用意义。

A new cinchonine ion selective electrode was prepared by dipping the Ag/AgCl electrode into the sol-gel solution for more than 3 times, and then standing for 48h at room temperature, and finally activating for at least 12h in a 1.0×10^(-2)molL^(-1) cinchonine solution.

将Ag/AgCl电极于溶胶－凝胶溶液中反复浸3次以上，在室温静置48h后在1.0×10^(-2)molL^(-1)，辛可宁溶液中活化至少12h即制成新型的辛可宁选择性电极。

Methods The study was carried out by case control analysis of the clinical manifestations and the data from cine selective coronary angiography.

对经冠状动脉造影诊断的62例冠心病患者进行临床表现和造影结果对照分析。

MIP and NIP have very good selective adsorption abilities to both 1 -hydroxy -2 - naphthoic acid and citrinin molecules.

结果表明MIP和NIP对1-羟基-2-萘甲酸和桔青霉素分子都有着很好的吸附选择性。

Clear-cutting is favored by the timber industry over the alternative, selective cutting of individual trees in a forest, for several reasons.

相比在一片森林中有选择性的砍伐树木，伐木公司更偏爱皆伐，有几方面的原因。

During the years of 2 041 ～ 2 049 ,the Korean pine broad-leaved forest would become the climax forest community in this area,with an area around 13 120 ～ 13 242 hm2 if taking selective cutting as the prevailing harvesting method.

这种地带性顶极群落在未来的森林经营利用中能否存在，许多学者进行了专门的研究。徐化成等[24]对红松阔叶林的特点、分布规律、动态、经营措施等进行了详细的研究，为红松阔叶林的经营利

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。