查询词典 magnesium

Mineralizer such as TiO2,Cr2O3 and ZrO2 with proper amount, have a beneficial effect on the formation of magnesium aluminate spinel solid solution and the densification of samples, and decrease of porosity.

外加适量的TiO2、Cr2O3、ZrO2矿化剂能促进镁铝尖晶石烧结和晶粒生长，提高试样的体积密度和抗折强度，降低显气孔率。

Said method includes the following steps: firstly, adopting dipotassium hydrogen phosphate, magnesium sulfate, calcium chloride, citric acid, ammonium ferric citrate, disodium EDTA, sodium carbonate and minor element solution A5 to prepare culture liquor of nostoc according to a certain ratio; then controlling temp. light intensity and deration condition of the culture liquor to make culture of nostoc; third ste, harvesting nostoc; fourth ste, extracting nostoc polysaccharide; and fifth step, purifying, harvesing and drying nostoc polysaccharide.

首先是配制葛仙米培养液：采用磷酸氢二钾、硫酸镁、氯化钙、柠檬酸、柠檬酸铁铵、乙二胺四乙酸二钠盐、碳酸钠，微量元素溶液A5按比例配制；其次是葛仙米的培养：控制温度、光强、光质、培养液通气条件；第三是葛仙米的收获；第四是葛仙米多糖的提取；第五是葛仙米多糖的纯化、收获与干燥。

Research works of this thesis aims at the light magnesium lithium alloys and mainly focuses on the effects of the misch metal and some thermal treatments such as the homogenizing treatment 、 the hydrogenating treatment etc.

本论文以轻质镁锂合金材料为研究对象，以均化处理、氢化处理等热处理手段和混合稀土对Mg-Li-Zn-Zr系镁合金的显微组织和机械性能影响为主要研究内容，以具有代表性的Mg-7。

The effect of misch metal and yttrium on the ageing behavior of AZ91 magnesium alloy was investigated.Aluminum compounds of rare earth and yttrium with high melting point were crystallized fiirstly from the melt alloy during the solidifying process and pushed to the crystalllizing face of α phase to inhibit its growing,or became the nucleation of the matrix.

在AZ91镁合金中添加稀土和钇之后，高熔点的铝稀土化合物和铝钇化合物在凝固过程中首先结晶析出，并成为基体相的形核中心，或者被推移到初生α相结晶前沿，阻碍α相的生长，使其铸态组织得到细化。

AZ91 magnesium alloy ; misch metal ; alloying ; ageing

AZ91镁合金；混合稀土；合金化；时效

Hampered by sabotage and deliberate technical misguidance from Wilson, as well as delays in metallurgical research which didn't result in an acceptable alloy of magnesium and aluminum until 1944, the Germans could only continue to harass allied pilots with the "fireballs", pilotless craft developed and used since 1942 which emitted electrical fields that interfered with the operation of aviation engines.

显然在战争进行比科技研发更快的情况下﹐因威尔逊的误导及破坏﹐以及冶金研究的拖延，始终没有另人满意的镁铝合金，直到1944年，德国人只能用1942年发明的﹐"火球"无人驾驶飞行器﹐用产生的磁场来骚扰盟军飞行员。

In inorganic chemistry experiment teaching material,"the Measurement of the Molar Gas Constant by Displacement method" uses the magnesium method of substitution or the aluminum method of substitution.

摩尔气体常数的测定方法很多，在无机化学实验中，常采用置换法来测定。其方法为：取一定质量的活泼金属，与一定体积的已知浓度的酸反应，在一定的温度和压强下，测得置换出氢气的体积。

The results showed that the corrosion of magnesium alloy in simulated cooling water was inhibited by addition of molybdate.

钼酸钠的加入减弱了腐蚀性Cl-在试样/介质界面的吸附，同时参与镁合金试样在模拟冷却水中表面膜的生成，使表面膜变得致密，从而较好地抑制镁合金的腐蚀；其缓蚀作用属于阳极抑制型缓蚀作用。

A brown-yellow conversion coating was obtained on the surface of AZ31 magnesium alloy in molybdate solution.

摘 要：利用钼酸盐溶液在AZ31镁合金表面获得棕黄色的转化膜。

The results show that the organic-inorganic specialty fertilizer 〔16-6-8-20 〕is favorite to the yield increase and nitrate content decrease against tumorous stem mustard, and the inorganic fertilizer type Ⅱ(19-7-9) follows. Single superphosphate is better than monoammonium phosphate in increasing the yield whilst poorer in decreasing its nitrate content,sulfate of potash is better than muriate of potash in increasing the yield while weaker in decreasing its nitrate content,and fused calcium magnesium phosphate shows little desired effects.

结果表明：有机无机型专用肥〔16-6-8-20〕对茎瘤芥增产和降低其硝酸盐含量的作用最佳，其次为无机型专用肥Ⅱ(19-7-9)，过磷酸钙对茎瘤芥增产效果优于磷酸一铵，但降低其硝酸盐含量不及磷酸一铵，硫酸钾的增产作用优于氯化钾，但氯化钾降低硝酸盐含量的效果较好，钙镁磷肥对其增产和降低硝酸盐含量的效果均差。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。