查询词典 reductants

In order to study the influence of preparation techniques on stability of different morphological silver colloid s, stable silver colloid s were produced by the reduction of AgNO3 with the protection of polyvinylpyrroli-done using KBH4 and N2H4 ----------- H2O as reductants.

为了研究制备工艺条件对不同形貌银胶体稳定性的影响，在超声场作用下，以AgNO3为前驱物，聚乙烯吡咯烷酮为保护剂，KBH4和N2H4·H2O分别为还原剂，制备了稳定的银胶体，并利用透射电镜和分光光度技术对制备的银胶体进行了表征。

In order to obtain reasonable processing parameter of electroless nickel plating, the influences of the concentration of reductants NaH_2PO_2 and complex agents DL-lactic acid, stabilizers ,pH value and temperature on the deposition rate , the content of P and stability of the plating solution were studied.

在化学镀镍的工艺中，研究了次亚磷酸钠和络合剂乳酸的浓度、pH值、稳定剂和温度等工艺参数等对沉积速度和镀镍层含磷量的影响，找出了合理的化学镀镍工艺：还原剂的浓度为25 g/l~ 30g/l，络合剂乳酸的浓度为8ml/l ~ 12 ml/l，pH值的范围为4.6 ~ 4.9，选择作稳定剂，温度为85℃左右。

However, when N, N -dimethylhydroxylamine-monomethylhydrazine are used as reductants, almost all of Tc comes into aqueous phase with plutonium.

而用N，N-二甲基羟胺—单甲基肼为还原剂时，锝与钚一起进入水相。

The paper has studied the influence of deluent contents,kinds of reactents,particle size of medal reductants and composition of carbon on the speed and temperature and the phase composition of combustion reaction during the process of SHS synthesis of WC-Al2O3 compound ceramic materials.

研究了WC－Al2O3复合陶瓷材料的自蔓延高温合成过程中，稀释剂含量、反应物类型、金属还原剂粒度，以及碳的配比含量对燃烧反应的速率、温度和燃烧合成物相组成的影响。

The reasonableness of direct alloying with chrome ores is discussed with thermodynamical analysis as well as the influencing factors, such as the burden of chrome ores, basicity of slag and reductants.

根据热力学原理分析了铬矿直接合金化的合理性及其影响因素，并对熔渣碱度、铬矿加入量和还原剂的影响进行了实验研究。

The inhibition of acidity to the Pu reduction is less in comparison with other studied organic reductants, hence it can be expected that HU has great advantage for the application in a relatively higher acidity process.

由于HU还原Pu的速度非常快，所以，溶剂萃取法求得的动力学方程可能较为准确，而且与一NHOH取代化合物还原Pu的一般机理相符。

The effects of pH value, temperature, light, metal ions and additives on the stability of red pigments from waxberry were studied. The results showed that the pigments were very sensible to acidity and alkalinity. and had a poor thermal stability, and oxidants, reductants and the preservative obviously degraded the tone of pigment.

研究了pH值、温度、光照、金属离子和添加剂等对杨梅鲜汁中红色素稳定性的影响，结果表明：杨梅果汁中的红色素对酸碱度极其敏感，热稳定性差，耐氧化和还原性极差，防腐剂的消色作用较大。

The fluorescent response of BQC is insensitive to various biological thiol reductants.

对生理环境中所存在的各种不同硫化物做还原的测试，隐藏型萤光探针不会发生氧化还原反应，依然保持专一的性质。

Th is method has also other advantages such as narrow size distribution of particles, no chemical reductants and the possibility to prepare bimetallic nanoaggregates.

该方法还具有颗粒度分布均匀、无须添加化学还原剂以及可以制备纳米合金粒子等优点。

On the other hand, other reductants (NaBH4 and sodium citrate) and organic additives were employed to examine their influences on the dispersity of the resulting gold nanorods.

另一方面，其它同的还原剂，如柠檬酸钠及硼氢化钠及有机添加物如芘，可用检视子型界面活性剂在米棒中对於形态改变的影响。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。