查询词典 potassium amide

Add 100-150g of finely crushed ice and stir until the m-nitroaniline has been converted into the sulphate and a homogeneous paste results. Cool to 0-5°C by immersion of the beaker in a freezing mixture, stir mechanically and add a cold solution of 18g(0.26mol) of sodium nitrite in 40 ml of water over a period of 10 minutes until a permanent colour is immediately given to potassium iodide-starch paper: do not allow the temperature to rise above 5-7°C during the diazotisation.

加入100-150g碎冰，搅拌至m-硝基苯胺成硫酸盐，把烧杯浸入到冷冻液中冷却到0-5°C，机械搅拌下于 10 min内加亚硝酸钠冷溶液（由18g(0.26mol)亚硝酸钠和40 ml 水组成），直到用淀粉-碘化钾试纸测试时，能使该试纸立即显色且不褪色：在重氮化反应时不允许温度超过5-7°C。

The content of potassium reached the highest 20 days after blossom during fruit development.

外源K〓和Ba〓影响了K的区隔化分布。

In the paper the main topics are:(1) to analyze the chemistry composition, the X-ray diffraction, the DTA, and the functions of all raw materials;(2) to define the best direction for producing glass and foam glass, and the best burning technical process;(3) to characterize the unit weight and thermal conductivity of foam glass;(4) to analyze the reason of bubbling up, including the influence factor of temperature, time and so on;(5) to discuss the reasons of leading to shortcomings.There is high content quartz (SiO2) in the two gangues from gold mine and potassium feldspar mine respectively. They can be used to prepare glass, because the quartz (SiO2) is the main raw material.

论文的主要内容包括：1、对矿山尾矿的湿化学分析，粒度、X射线衍射和热稳定性的分析，以及硼砂、碳酸钙及制备泡沫玻璃的玻璃粉、磷酸钠实验原料在实验中的作用进行分析；2、确定尾矿烧结成玻璃体和利用玻璃体烧结泡沫玻璃的最佳配方以及两次烧结的最佳烧成工艺条件；3、泡沫玻璃制品的体积密度和导热系数等物理性能的测定；4、泡沫玻璃的发泡机理分析，包括发泡温度、发泡时间、发泡剂的用量、稳定剂的用量及其它因素对发泡作用的影响；5、讨论造成泡沫玻璃成品各种缺陷的原因及其解决方法。

METHOD Ethyl esters of EPA and DHA could form a homogeneous solution with glycerol by a certain of homogeneous agent such as oleic acid potassium salt,and changed into glycerides of EPA and DHA by transesterification at reaction temperature.

用一定量的均相化试剂如油酸钾能使互不相溶的甘油和EPA乙酯、DHA乙酯形成均相反应溶液，并在120℃就开始发生酯交换反应。

Simultaneously, the activity and coding gene expression of ribulose 1, 5-bisphosphate carboxylase, phosphoenolpyruvate carboxylase, and glycollic oxidase all decrease in two rice accessions under low potassium supply while significant decrease in non-allelopathic rice "Lemont".

水稻光合作用相关酶的分析结果表明，低钾条件下核酮糖－1，5-二磷酸羧化酶、磷酸烯醇式丙酮酸羧化酶和乙醇酸氧化酶的活性及其基因表达强度均降低，但化感水稻&PI312777&的下降幅度显著小于非化感水稻&Lemont&。

Following the industrialization programme for gold nanomaterials, auric chloride acid, potassium gold cyanide, superfine and nano-scale gold powders and"liquid gold"can be produced systematically.

为贵金属纳米材料的产业化指明了方向。提出了以粗金为原料，在工业上生产氯金酸、氰化亚金钾、超细和纳米金粉、金水等含金深加工产品的产业化系统方案。

Chemical products containing gold and silver, including gold chloride, gold and potassium cyanide, gold water, silver nitrate, silver oxide, silver chloride, silver iodide, silver bromide, etc.

含金银化工产品：包括氯化金、氰化金钾、金水、硝酸银、氧化银、氯化银、碘化银、溴化银等。

Hunter L, a, and b color value of starch/dHG films did not show significant difference with potassium sorbate, however, with extractive thyme, the hunter L, a, and b color value of starch/dHG films showed significant difference and light green-yellow.

淀粉/dHG可食膜的抗张强度及抗张模量一般而言随著添加抗菌剂浓度的增加而减少。添加己二烯酸钾对淀粉/dHG可食膜的L、a、b值没有显著的影响，但添加百里香乙醇粗萃物则有显著的影响。

METHODS: The cultured human hepatic cells were divided into three groups, the potassium-magnesium aspartate injection group, mixture of MgSO 4 and KCl solution group, and buffer solution group.

对培养的人肝细胞L 02株分为 3组，分别于培养基中加入门冬氨酸钾镁复盐溶液，硫酸镁与氯化钾的混合液及空白对照。

The graft copolymerization of acrylic acid onto xanthan gum initiated by potassium persulfate in aqueous medium was studied under a nitrogen atmosphere.

以过硫酸钾为引发剂，在氮气保护下，研究了黄原胶与丙烯酸的接枝共聚反应。

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。