镁的

ZM Series exploding isolation protable cola eletrical drill used for mining is applicable to coal mine where has explosive gas and coal dust,used to drill holes in half-hard and hard coal bed when digging .

ZM系列矿用隔爆领手持式煤电钻适用于具有镁尘爆炸性气体混合物的煤矿井下，在采掘工作面对中硬和硬煤层钻眼之用。

Reaction mechanism for 11,1,2-tetrafluoroethane preparation is carried out through gas phase fluorination by hydrogen fluoride over chromium-magnesium fluorination catalysts with trichloroethylene as main materials and dynamics models are set up.

研究了以三氯乙烯为主要原料，在铬镁氟化催化剂存在下，用氟化氢气相氟化制备1，1，1，2-四氟乙烷的反应机理，建立了动力学模型。

The results show that magnesium hydroxide has a better adsorption capacity, the removal rate reaches more than 99%.

结果表明：氢氧化镁对镍离子具有较强的吸附性能，去除率可达99%以上。

Q: Why is it sometime difficult to rule out hypomagnesemia as a cause of hypocalcemia?

有时候的确难以排除低镁所致的低钙，这是为什么呢？

Note that untreated hypomagnesemia will often make hypocalcemia refractory to therapy.

需注意，未经治疗的低镁血症常常使低钙难以纠正。

Hypomagnesemia interferes with the effects of parathyroid hormone, resulting in hypocalcemia.

低镁会影响甲状旁腺激素的作用，导致低钙，也可低钾。

The results show that, Calcium is benefi- cial to increase the ignition point of AZ91D magnesium alloy.

稀土更有利于提高AZ91D镁合金的起燃温度。

It was found that tin can be plated on the magnesium plate through scratching and dipping into used as interlay.

实验表明，锡可以通过刮擦浸镀方法镀在镁板上，从而起到夹层金属的作用。

The development of isothermal forging process on magnesium alloy domestic and international was presented in this paper.

本文介绍了国内外镁合金等温锻造的进展。

Impurities of welding joints and metallic phase appearance of welding seam are analyzed and a comparison is made with the welding joist made with a magnesium crucible.

分析焊接接头夹杂物情况和焊缝金相组织形貌，并与使用镁质坩埚的情况进行对比。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。