查询词典 potassium amide

During the process of acidic potassium chloride zinc plating for iron workpiece,the deposit obtained at low current density was shown to be foggy with white spots,and the phenomena failed to disappear even after bright dipping and passivation in nitric acid.

在对某铁件制品进行酸性氯化钾镀锌过程中，镀层出现低位发雾，而且有白斑，在硝酸出光及钝化后依然存在。

Selecting identification index of low-potassium tolerance The correlation between the grain weight per ear stress index and sensitive character stress index is appraised in detail by the numbers based on the principle of highly actuating, simply manipulating, early identification and saving field.

根据穗部敏感性状和穗粒重之间胁迫指数的关系，可以分为不敏感和敏感两类，敏感类型有穗粒数、百粒重、穗轴重三种，各类型存在明显差别。

Methods: Observing the effect of Shukang granule on the swollen ear of mice induced by dimethylbenzene, the swollen toes of rats induced by injecting egg-white, the turn-body reaction of mice by injecting Potassium antimony tartrate, the pain model induced by hot plate and the swollen meat-bud of rats induced by cotton.

观察术康颗粒对小鼠耳壳二甲苯致肿、大鼠蛋清性足跖肿胀、酒石酸锑钾致小鼠扭体反应、热板法致小鼠疼痛及大鼠棉球肉芽肿的影响。

The potassium polyvinylsulfate was synthesized by using different types of polyvinylalcohol, the ester value of the PVSK was determined by the method of BaCl2 titration.

摘 要：用不同牌号的聚乙烯醇制备聚乙烯醇硫酸钾，用BaCl2滴定法测定了它们的酯化度。

Wedgeplug O-Seal plug valves with their positive, no-leak features are not only recommended as the best general purpose valves for handling hydrocarbons, vegetable oils, solvents, etc., but are ideal for such tough service as butane, propane, butadiene, acetone, ethyl alcohol, ammonia, anhydrous ammonia, benzene, vinyl chloride, dry chlorine, Dowtherm, ethane, ethylene, hydrogen chloride, napthalene, oxygen, hydrogen, phthalic anhydride, dry phosgene, phosphoric acid, potassium carbonate, styrene, molten sulphur, sulphur dichloride and related services within a temperature range from -300oF to + 450oF within pressure limits of the valves.

楔塞O形密封旋塞阀具有积极的、无泄漏特性，不但是最好的通用的阀门，用于处理碳化氢，植物油，溶剂等，还特别适用于严酷的应用环境，如丁烷，丙烷，丁二烯，丙酮，乙醇，氨，无水氨，苯，氯乙烯，干氯，道氏热载体，乙烷，乙烯，氯化氢，萘，氧，氢，邻苯二甲酸酐，干碳酰氯，磷酸，碳酸钾，苯乙烯，融化硫，二氯化硫，以及温度在-184oC至232oC之间，压力在阀门额定压力等级范围内的有关应用。

The result of potassium malonyloxyborohydride as a new hydroboration reagent reacts with terminal alkenes and alkynes is described.

介绍新的硼氢化试剂丙二酰氧基硼氢化钾与链端烯炔烃的作用，烯烃的硼氢化物在PTC条件下，插入∶CCl2 ，可得饱和羧酸；炔烃则难以与之硼氢化。

The proteins in milk and dairy products were mostly eliminated by the precipitators. Three aseptics and two sweeteners were separated on a C18 column with the mobile phase of methanol -0.05mol/L potassium dihydrogen phosphate under gradient elution. With a diode array detector, acesulfame, benzoic acid, and sorbic acid were detected at 230 nm and sodium saccharin and aspartame were detected at 210nm.

通过加入适量沉淀剂除去样品中绝大部分蛋白质后，采用C18色谱柱分离，以甲醇－0.05mol/L磷酸二氢钾溶液为流动相梯度洗脱，用二极管阵列检测器于230nm波长处检测安赛蜜、苯甲酸和山梨酸，于210nm波长处检测糖精钠和阿斯巴甜。

This provides some clues for the design of new potassium channel blockers and new antiarrhythmia agents.

为设计新的钾离子通道阻滞剂和抗心律失常药物打了良好的基础。

Effect of potassium nutrition on Elongation and development of cotton fibre in Bolls at Different Positions and its physiological basis was studied.

本试验于2004～2005年在山东农业大学科技示范园进行，选用生长发育特性和品质性状有一定差异的2个棉花品种：鲁棉研18号(L18)和中棉所41号(ZH41)，在田间试验条件下，设定3个施钾量，系统研究了钾素营养对不同部位棉铃棉纤维伸长发育的影响及生理基础。

The name comes from the fact that sodium and potassium bromides were used as early sedatives.

这个名字来自钠和钾的溴化物被用作早期镇静剂的事实。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。