查询词典 magnesium

Atomic absorption spectroscopic assessment of subdermal valve implants showed significantly lower contents of calcium, magnesium and phosphate in alternatively treated leaflets.

subdermal汽门的分光镜的评价注入的原子的吸收显示出了钙的意味深长地较低的内容，在另外地被对待了的传单的镁和磷酸盐。

Microstructures and mechanical properties of AZ91 magnesium alloy after homogenized, hot extrusion and succedent aging are investigated.

通过对均匀化退火后的AZ91镁合金热挤压以及随后的时效处理，分析了形变及时效过程对材料组织与性能的影响。

Microstructures and mechanical properties of AZ91 magnesium alloy after homoge- nization,hot extrusion and succedent aging are investigated.

通过对均匀化退火后的AZ91镁合金热挤压以及随后的时效处理，分析了形变及时效过程对材料组织与性能的影响。

Through the analysis of szaibelyite ,the manufacture method of boric acid and magnesium carbonate from szaibelyite by sulfuric acid,CO_2 and ammonia water is determined.

对硼镁矿成分进行分析，从而确定了采用硼镁矿制取硼酸联产碳酸镁工艺路线———用硫酸分解硼镁矿制取硼酸，硼酸母液经处理后加入碳化氨水制取碳酸镁。

Moreover, the matrix effect was investigated. The results showed that samples could be completely decomposed by melting in lithium tetraborate and lithium carbonate mixed flux at about 1000℃. The introduction of lots of lithium and matrix magnesium in solution affected the determination, which could be corrected by matrix matching. Calcium, iron and aluminium with high content had no spectral interference with other elements with low content.

结果表明，样品用四硼酸锂和碳酸锂混合熔剂在1000℃左右的温度下熔融，可以完全分解试样；引进试液中大量锂和基体铁时测定有影响，用基体匹配的方法克服，含量较高的钙、铁和铝对含量低的其他元素没有光谱干扰。

The reaction of tetrachloromethane with magnesium under general Grignard reaction condition was studied.

林海霞，徐良衡，黄乃聚，四氯化碳与镁的反应及其反应机理的研究──产生二氯卡宾的新方法

Fine chemicals to add auxiliary Series: lubricating oil pour point depressant, calcium zinc magnesium methacrylate, methyl acrylic acid lauryl ester, tetradecane methacrylate ester, methacrylic acid octadecyl ester, a acid ethylene glycol, diethylene glycol methacrylic acid ester, glycidyl methacrylate, the second reduction of three ethylene glycol dimethyl acrylate, acrylic acid lauryl ester, tetradecyl acrylate, octadecyl acrylate, acrylic acid ethylene glycol, diethylene glycol acrylate esters, glycidyl, two shrink three acrylate such as ethylene glycol.

精细化工添加助剂系列：润滑油降凝剂，甲基丙烯酸钙锌镁，甲基丙烯酸月桂酯，甲基丙烯酸十四烷酯，甲基丙烯酸十八烷基酯，甲基丙烯酸乙二醇，甲基丙烯酸二乙二醇酯，甲基丙烯酸缩水甘油酯，二缩三乙二醇二甲基丙烯酸酯，丙烯酸月桂酯，丙烯酸十四酯，丙烯酸十八酯，丙烯酸乙二醇，丙烯酸二乙二醇酯，丙烯酸缩水甘油酯，二缩三乙二醇丙烯酸酯等。

MgO nanowires were synthesized at a lower temperature (600℃) by pulsed liquid injection MOCVD with β–diketonate Mg2 magnesium bis (2,2,6,6–tetramethyl- 3,5-heptanedionate, with formula Mg(C11H19O2)2 as precursor.

使用脉冲液滴注入式MOCVD，将Mg2（即：双（2，2，6，6，-四甲基-3，5-庚二酮酸）镁，其分子式是Mg(C11H19O2)2 ）作为反应前驱体，在较低温度下（600℃）合成MgO纳米线。

Methods 4-Hydroxy- benzonitrile was treated with sodium hydrogen sulfide and anhydrous magnesium chloride in dimethyl formamide to give thioamide, which was then directly cyclized with ethyl 2-chloroacetoacetate without separation to give ethyl 2-(4-hydroxyphenyl)-4-methylthiazole-5-carboxylate(2) in one-pot; then 2 was formylated with Duff reaction adopting hexamethylenetetramine in trifluoroacetic acid to give ethyl 2-(3-formyl-4-hydroxyphenyl)-4-methylthiazole-5-carboxylate(3); finally, the target compound was obtained by the treatment of 3 with hydroxylamine hydrochloride and sodium formate in formic acid.

采用&一勺烩&方法，以4-羟基苯甲腈为起始原料，首先与硫氢化钠和无水氯化镁在N，N-二甲基甲酰胺中反应，所得中间体不经分离，直接加入2-氯乙酰乙酸乙酯进行环合反应，得到2-(4-羟基)苯基-4-甲基-5-噻唑甲酸乙酯（2）；然后通过六亚甲基四胺/三氟乙酸进行Duff反应，得到2-(3-甲酰基-4-羟基)苯基-4-甲基-5-噻唑甲酸乙酯（3）；再经盐酸羟胺/甲酸/甲酸钠体系脱水得到目标化合物。

Main productioncopper clad steel, copper°ü, copper clad aluminum magnesium alloy wire, tinning lines, silver-plated wire, enameled wire and so on.

主要生产铜包钢裸线、铜包铝裸线、铜包铝镁合金线、镀锡线、镀银线、漆包线等。

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。