查询词典 magnesium

Treating the crude monohydrate magnesium sulfate from the byproduct potassium chloride in the bittern chemical corporation,the process for the technical-grade heptahydrate magnesium sulfate is discussed,which results in increasing additional value and extending the application range of product.

针对苦卤化工企业副产氯化钾所得的粗一水硫酸镁产品，研究将其转化为工业级七水硫酸镁，增加产品附加值，扩大产品的应用范围。

The process for the preparation of carnllite and hexahydrated magnesium chloride from refined magnesium slag is introduced.

介绍了从精炼镁渣中制取光卤石和氯化镁的工艺过程是破碎制粉(粒径1mm~2mm)、稀HC l(浓度10%~15%)溶解，采用Na2CO3中和过量酸，过滤除杂、中和、冷却、结晶工序。

Decabromodiphenyl oxide,tetrabromobisphenol A,sodium bromide,sodium bromate,potassium bromide,ammonium bromide,calcium bromide,calcium chloride,magnesium chloride,sodium bicarbonate,magnesium hydroxide,manganese bromide,hydrobromic acid,salt etc.

提供产品：十溴二苯醚、四溴双酚A、溴化钠、溴酸钠、溴化钾、溴化铵、溴化钙、氯化钙、氯化镁、碳酸氢钠、氢氧化镁、溴化锰、氢溴酸、盐等。

A white or reddish mineral consisting of hydrous chlorides of potassium and magnesium; used as a fertilizer and as a source of potassium and magnesium.

一种白色矿物，由硫酸镁和氯化钾组成，是钾盐的来源，用作肥料。

Medical heavy magnesium carbonate was made from soda (NaCO3) and magnesium chloride (Mgcl2*6H2O) by the metathetical reaction followed by pyrolysis,separation and desiccation.

方法用纯碱和盐卤作为原料，经复分解反应后再热解、分离、干燥制得医用重质碳酸镁。

Then obtain heavy magnesium water solution, add interfacial active agent and ammonia to solution, via hydrothermal treatment and filtration washing, dry to gain nemaline magnesium hydroxide.

得到重镁水溶液，向溶液中加入表面活性剂和氨水，经过水热处理，过滤洗涤后、干燥得到纤维状氢氧化镁。

The authors have summarized relevant data studied by overseas scientists and suggested the definition of chalky texture formation as "Chalky texture formation refers to that magnesium calcite and aragonite are transformed into the framework of micrite and microspar of low-magnesium calcite via neomorphism, and result in and maintain intercrystalline pore and throat networks in it; enhanced chalky texture formation refers to that the micrite and microspar are successively subjected to dissolution and leaching, so that the secondary network of solution voids is formed".

综合各国学者的有关研究资料，建议将白垩状结构化定义为：&碳酸盐沉积物和碳酸盐岩中的镁方解石和文石在不同成岩阶段通过新生变形而转变成低镁方解石微晶和微亮晶格架，并在其中产生和保存晶间孔喉网络的作用；强化白垩状结构化是指微晶和微亮晶格架受到进一步溶蚀和淋滤，从而形成次生溶蚀孔隙网络的作用&。

MRS2 encode a magnesium transporter protein in Saccharomyces cerevisiae and deletion of MRS2 gene results in decrease in mitochondrial magnesium concentration, Group II RNA splicing defect and growth defect on nonfermentable carbon source.

MRS2 基因编码线粒体镁离子转运蛋白，MRS2缺失会导致酵母线粒体镁离子浓度下降、线粒体内II型内含子剪接缺陷和非发酵碳源上的生长缺陷。

Second,the sterically demanding substituted magnesium alcoholates can be prepared from dialkylmagnesiums R_2Mg and alcohol.The main disadvantage of this synthesis route lies in the fact that relative expensive dialkyl magnesium compounds,such as Et_2Mg for example,have to be used as starting materials.For this problem,a convenient preparation route of pure dialkylmagnesium from a Grignard reagent.

二、烷基镁法：具有空间位阻效应的仲醇镁和叔醇镁可以直接用烷基镁R_2Mg和醇进行反应来制备，这条路线的主要缺点是烷基镁比较昂贵，为了解决这个问题，本文采用格式试剂来制备烷基镁，将制得的烷基镁与叔丁醇反应制得叔丁醇镁。

Pet food manufacturers developed low ash and/or low magnesium foods in response to the theories that ash or magnesium were the cause of struvite crystals.

宠物食品制造商研制出灰分含量低及含镁量低的食物，以应对&灰分和镁是导致鸟粪石结晶&这一理论。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。