The synthesis methods of magnesia - alumina spinel are electro - fusion and sintering process.镁铝尖晶石的合成方法有电熔法和烧结法.Magnesite deposits account for approximately 80 % of total magnesia production.大约80%的氧化镁产量来自菱镁矿.A substance...
The synthesis methods of magnesia - alumina spinel are electro - fusion and sintering process.镁铝尖晶石的合成方法有电熔法和烧结法.Township enterprises have a paper, agricultural machinery bearings, magnesia and other plants.乡镇企业有造纸 、 农机轴...
Q: Have you got any scholarship or assistantship in this university?问: 你得到过奖学金或助学金 吗 ?A good example a university job like a teaching or research assistantship.助教或者助理研究员就是很好的例子.A good example is a university job like a t...
One group of people seems to be forgotten, namely pensioners.有一类人似乎被遗忘了，就是那些领养老金的人。Thousands of pensioners were persuaded to mortgage their homes to invest in speculative bonds.几千名领取养老金的人被劝说用自己的住房作抵押去投资投机性债券。I would like...