还原剂

" It is used to synthesize ammonia, ethanol, aniline, and methanol; to treat petroleum fuels; as a reducing agent and to supply a reducing atmosphere; to make hydrogen chloride and hydrogen bromide; and in hydrogenation (e.g., of fat s)."

氢气主要用于氨、乙醇、苯胺和甲醇的合成；石油燃料的脱硫；也是一种还原剂和补充减少中的大气；制备氯化氢和溴化氢；还用于有机化合物的氢化。

It is pointed out that the hydrogen peroxide-based chlorine dioxide process can decrease chlorine and acid salt cake from headspring.

介绍了以亚氯酸盐、氯酸盐为主要原料的二氧化氯发生技术的进展，重点评述以氯离子、甲醇或过氧化氢为还原剂的氯酸盐工艺。

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。

Double hydroxyurea in organic synthesis as a reducing agent efficient use of reagents can be used as the use of hydroxylamine.

双羟基脲在有机合成中作为高效还原剂使用，也可以作为羟胺化试剂使用。

The questing for acidic middle-temperature electroless Nickel technology leads to the preferable prescription as follows:Proportion of Nickel Sulphate and Sodium Hypophosphate 0.36; Sodium Acetate 15g/L; Stabilizer A lmg/L(Stabilizer B Img/L for continual experiment); Composite complexing agent Lactic Acid 10ml/L and acetic acid 10 ml/L; Accelerator organic acid G 6g/L; pH value 5.0; Loading Capacity ldm2/L; Temperature 70C (Temperature 75C for continual experiment); Proportion of supplement for Nickel Sulphate and Sodium Hypophosphate 1:1.2; Testing the consumed ion of Nickel solution and supplement inspissations solution every 60min by the proportion of 15% fresh solution.

最后，通过研究得出最佳工艺配方为：硫酸镍与次亚磷酸钠的摩尔比为0.36；乙酸钠15g／L：稳定剂Almg／L(周期实验加稳定剂B10mg／L)；复合络合剂组合为乳酸10ml／L+冰乙酸10ml／L：促进剂为有机酸G6g／L；pH值为5.0；装载量为1.0dm~2／L；施镀温度为70℃(周期实验为75℃)：主盐与还原剂的添加比例1：1.2；每60分钟对镀后液进行镍离子浓度的测定并按镍离子的消耗量添加浓缩液，添加比例按开缸液的15％。

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 resistance, tensile strength and ductibility of formaldehyde's deposit were better than that from sodium hypophosphite solution.

以甲醛为还原剂的化学镀铜层的电导率、抗拉强度、延伸率等物理性能均优于次磷酸钠化学镀铜层。

An electroless nickel process with sodium hypophosphite as reducing agents in alkaline bath, which is applied on polyurethane foam substrate, was studied in detail in this paper.

本文采用聚氨酯海绵为基体材料，以次磷酸钠为还原剂，在碱性化学镀镍溶液中对低磷化学镀镍磷合金工艺进行了详细的研究。

Acid electroless nickel phosphorus plating on PZT ceramic was studied with hypophosphite as a reducing agent.

以次亚磷酸钠为还原剂，在压电陶瓷表面进行酸性化学镀镍磷。

The components of the intranet do not have to be in one local geographic area.

含硫化氢的气体和水被认为是某些地区的一种主要的还原剂。

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。