查询词典 zinc sulfate

A novel chiral diallylic diamine has been synthesized through double addition of allyl zinc bromide to chiral imines in this contribution.

通过烯丙基溴化锌对手性亚胺的两次不对称加成，合成了光活性的双烯丙基化的新型手性二胺。

After more than ten years rapid development,the Company introduced advabced zinc oxide varristor production equipment,surge arrester manufacturing equipment and 500kVno-partial discharge power frequency test transformer,impulse current generator,300Kv DC high voltage generator,and so on.

公司经过十多年的发展，先后引进国内先进的氧化锌电阻片生产设备、避雷器制造设备及500V工频无局放试验变压器、冲击电流发生器、300kV直流高压发生器等验测试设备。

A:Miss wang ,we find your price for Zinc Ingots rather on the high side.

王小姐，我们发现你的锌锭价格相当偏高。

Zinc ; Selenium ; Iodine ; Atomic Absorption Spectrometry ; Inductively Coupled Plasma Mass Spectrometry ; Glutathione Peroxidase

贡献者：中山医学院：生物化学研究所；陈文贵关键词：锌；硒；碘；石墨炉原子吸光光谱仪；感应耦合电浆质谱仪

Moreover, zinc salts of sulfonated polysulfone ionomers and maleic anhydride graft polysulfone also show better compatibilizing effects on PSF/TLCP.

此外，用磺化聚砜锌盐和马来酸酐接枝聚砜增容剂也取得了较好的增容改性效果。

Obviously, the mean contents of iron and zinc in brown rice were, respectively, 2.11 and 1.23 times of that in polished rice.

无论是糙米还是精米，恢复系平均含锌量均显著高于保持系。

And traces of iron,zinc,calcium carbonate.

微量的铁锌碳酸钙

Zinc is primarily used as a coating on iron and steel to protect against corrosion.

锌的原始用途于铁及钢表面，使其得到防锈保护。

The uncertainty for determination of iron concentration in zinc-iron coating of galvaneal by chemical method was evaluated.

对用化学法测定锌铁合金钢板镀层铁含量测量结果的不确定度进行评定，分析了该方法测定过程的不确定

At present, the company's mining for iron, copper, lead, zinc, gold polymetallic ore.

目前，公司旗下的矿山为铁、铜、铅、锌、金多金属矿。

He paid $5,000 for this cupcake.

他我这个纸杯蛋糕花了5000美元。

I mean, if you want to, that is

我的意思是，如果你们想吃的话。