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The optimum dehydration technology in hot air atmosphere and thermogravimetry-differential thermal analysis curves of ammonium carnallite, which was synthesized using the saline lake bischofite and filtrate stock of deposit magnesium by ammonia as raw materials were studied.

摘 要：将盐湖水氯镁石溶液和氨法沉镁过滤后的氯化铵溶液混合，在一定条件下制得铵光卤石，研究铵光卤石在热空气中脱水为低水铵光卤石的最佳工艺条件，同时对铵光卤石进行热重差热分析。

In order to take full advantage of waste electrolyte co-produced by the magnesium refining from the carnallite and comprehensively utilize the magnesium resources in the salt lakes in Qinghai province,the production process of synthetic carnallite with adding brine cold-crystallization method was developed.

为充分利用光卤石炼镁生产中副产的废电解质和综合利用青海盐湖镁资源，研制开发出兑卤冷结晶法合成光卤石生产工艺。

Nine kinds of pigments were identified in Ulothrix sp.. They are carotinoid, pheophytin, chlorophyll a, b, chlorophyllin chlorophyllide a,neoxanthin, chlorophyll c and pheophytin c.

丝藻的色素种类有 9种，分别为胡萝卜素、脱镁叶绿素 a、叶绿素 a、叶绿素 b、叶绿酸、脱酯基叶绿酸、新黄素、叶绿素 c和脱镁叶绿素 c。

The lithologies of the Al rich rocks under ultra high pressure metamorphism in central China are characterized by kyanite topaz quartzite which has special mineral associations of kyanite, rich topaz,Mg rich chloritoid,coesite and diaspore.

我国中部在超高压条件下形成的高铝质变质岩石，以蓝晶黄玉石英岩为特征，具有以蓝晶石、富水黄玉、富镁硬绿泥石、柯石英、硬水铝石等为代表的高压－超高压变质矿物，矿物组合主要为蓝晶石＋黄玉＋石英、蓝晶石＋蓝刚玉±富镁硬绿泥石等。

Confirmation of high-pressure pelitic rocks in the north. The mineral assemblage of the early stage is gamet-Mg-rich chloritoid +phegite +quartz ±kyanite ±aragonite or gamet+Mg-rich chloritoid+phengite+paragonite+quartz, P-T conditions are 550±30℃ and 1.4～2.0GPa; the mineral assemblage of the late stage is muscovite +chlorite+quartz±albite, which undergone retrograde metamorphism of greenschist facies, P-T conditions are ＜550℃ and ＜0.6GPa.

确定北部高压变泥质岩石，早期矿物组合为石榴子石+富镁硬绿泥石+多硅白云母+石英±蓝晶石±文石或石榴子石+富镁硬绿泥石+多硅白云母+钠云母+石英，对应的温压条件为550±30℃和1.4～2.0GPa；晚期矿物组合为白云母+绿泥石+石英±钠长石，经受了绿片岩相的退变质作用，其温度小于550℃，压力低于0.6GPa。

The field geology identifies that anomaly information of remote sensing and the mineral deposits concrete position and altered minerals cingulum fit together.

并在ETM+数据中实现了镁铁-超镁铁岩型铜镍矿床、矽卡岩型铅锌矿床和蚀变岩型金矿的蚀变遥感异常信息的提取。

Moreover,Al_2Er phase is face centered cubic structure,which is different with the structure of Mg(Hexagonal Close-Packed).

但是过量的Zr将与合金中的Al反应生成Al_3Zr沉淀相，消耗了合金中的Al元素，减弱了Al对镁合金的细化、强化作用，而且由于Al_3Zr与镁基体没有共格关系，不能起到细化晶粒的作用，合金组织粗化。

Solution chemistry and theoretical analysis indicated that the results of heavy metal ions adsorption upon brucite conformed with Langmuir and Freundlich isotherm. The conditional stability constants of surface complexation model of brucite adsorbing Cu〓 and Pb〓 were deduced.

通过水镁石吸附重金属离子的溶液化学和理论分析表明，其吸附结果符合Langmuir和Freundlich吸附等温式，并计算出水镁石吸附Cu〓和pb〓的表面络合条件稳定常数。

Therefore, it is necessary to improve corrosion resistance property of magnesium and its alloys.

因此，增强镁及镁合金的耐腐蚀性能是非常必要的。

The company has a large number of engineers engaged in die-casting industry, designers; Inc. After years of efforts to develop and practice a series of magnesium alloy crucible, crucible, gooseneck, steel bell, radio Tsui body, shot Tsui Tau, dosing pumps and protection of magnesium alloy gas sulfur hexafluoride, covering agents,¤agent.

公司拥有大批从事压铸行业的高级工程师、设计师；公司经过多年的努力和实践开发出系列镁合金熔炉、坩埚、鹅颈、钢铃、射咀身、射咀头、定量泵及镁合金保护气六氟化硫、覆盖剂、脱膜剂等。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。