查询词典 reductant

The synthesis of gold and platinum nanoparticles by the reduction of their salts with potassium bitartrate as the reductant and poly (N-vinyl-2-pyrrolidone) or 3. 3-thiodipropionic acid as the capping agent has been studied.

对以聚和3，3—硫代二丙酸为覆盖试剂通过酒石酸氢钾还原相应的金属盐制备金、铂纳米粒子作了研究。

TEM images show that the formation of shaped Au nanoparticles has been achieved by reducing Au ions in the presence of TCA using potassium bitartrate as the reductant.

TEM图像显示在TCA存在下，酒石酸氢钾直接还原金离子后形成各种形状金纳米粒子。

The results showed that the amount of artemisinin was 1.5 g, the use level of deionized water 300 mL, the amount of reductant 1.0 g, the reaction time 1.5 h and the carbinol amount of solvent 100 mL, the yield of the product was 74.25% and the purity was 99.13% respectively.

实验表明，最佳工艺条件为：青蒿素用量为1.5 g，去离子水用量为300 mL，还原剂硼氢化钠用量为1.0 g，反应时间为1.5 h，溶剂甲醇用量为100 mL。在此条件下，产物产率为74.25%，纯度高达99.13%。

The influence of the ore fineness and the reductant content on the deoxidization process was studied.

摘 要：以生物制剂KZSH01作为还原剂与铁锰多金属矿发生氧化还原反应，研究了铁锰矿的细度和还原剂的含量对还原效果的影响，考察了还原过程中温度和物相的变化，探讨了H2SO4用量对Mn和Zn浸出效果的影响。

Direct catalytic decomposition of NO to N2 and O2 has been recognized as the most attractive method for eliminating pollution derived from NO, since it does not require the addition of any reductant, without causing secondary pollution, and the process it concerned is simple and economical.

氮氧化物NO(下标 x的直接催化分解是公认的消除NO污染最有吸引力的方法。

After treatment the solution with stable homogeneous dispersions of CNTs and CuSO4·5H2O was prepared. Then, glucose and formol were used as reductant to reduce the Cu2+ and Cu+ in order. After deoxidation, The CNTs and superfine Cu compound powders were obtained.

在这种碳纳米管悬浮液中加入五水硫酸铜，先后用葡萄糖和甲醛对铜实施还原，原位制备了碳纳米管-超细铜粉复合粉体。

On the basis of the reductant hydrogen theory, hydrogenate theory and electrochemisty mechanism, the reaction mechanism of deposits is discussed systematically, with phosphinate, borohydride and borohydride as reductant.

利用已提出的还原氢态理论、氢化物理论以及电化学理论分别以次磷酸盐、硼氢化物以及次磷酸盐与硼氢化物作为复合还原剂条件下，对镀层的反应机制进行了系统的讨论。

Therefore, the deposit using sodium hypophosphite as reductant was more suitable for the industries which had a relatively low requirement on conductance.

因此，次磷酸钠为还原剂的化学镀铜工艺更适宜应用于对导电性要求相对较低的行业。

The mass ratio of cellulose reductant to pyrolusite, the size of cellulose reductant and the component change of pyrolusite after reduction were investigated.

考查了纤维素还原剂与软锰矿的质量比、纤维素粒度对还原效果的影响，分析了还原反应前后软锰矿矿物相的变化。

For many years, it has been clear that the well-known antioxidant and cellular reductant, L-ascorbic acid has a significant role in prevention of the cellular damage imposed by ozone.

翻译结果：许多年，它已经是清楚的众所周知的抗氧化物和细胞的 reductant， L-ascorbic 的酸有被新鲜的空气强加的细胞损害的预防的一个重要的角色。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。