钨酸

The film formed during the first stage was differe nt from that formed either in phosphoric acid or sodium tungstate electrolyte.

第一阶段形成的氧化膜与在单独的磷酸或钨酸钠体系中形成的氧化膜有所不同。

The different catalytic systems are discussed. The results show that sodium tungstate has effective catalytic ability.

实验结果表明，钨酸钠和双季铵盐催化体系能在温和的条件下，催化稀过氧化氢溶液氧化环己醇、苯甲醇、环己烯。

Pure and doped sodium bismuth tungstate crystals are grown and related technique parameters are investigated. The properties of NBW crystal as Cherenkov material are studied in this paper.

本文研究了钨酸铋钠NaBi〓及其掺杂晶体的坩埚下降法晶体生长，并对该晶体作为Cherenkov辐射体的性能进行了探讨。

Tungstate competitively inhibits the utilization of molybdenum for the formation of xanthine dehydrogenases.

钨酸盐竞争性地抑制钼的利用以形成黄嘌呤脱氢酶。

Lead tungstate is the crystal approved as the new generation scintillator in CMS experiments projected by CERN.

钨酸铅晶体是欧洲核子研究中心确定为CMS工程所用的探测器晶体材料。

Monte Carlo method is used to simulate the process of light transmission and collection in long lead tungstate (PbWO4 or PWO) crystal.

利用蒙特卡洛方法对钨酸铅(PbWO4或PWO)长晶体的光传导与光收集过程进行了模拟计算，着重讨论了晶体吸收长度，折射率等因素对光收集的影响。

The ion-associated complex formed by rhodium,tungstate and rhodamine B in the presence of polyvinyl alcohol has a maximum absorbance at 570 nm.

在聚乙烯醇存在下，铑与钨酸盐及罗丹明B形成的离子缔合物在 570 nm 处产生最大吸收。

Zygotene nodules and development of the brown ratRattus norvegicus caracohave been studied, by surface spresding with SDS treatment, silver and phosphotungatic acid staining techniques.

采用表面铺展－SDS处理、硝酸银和磷钨酸(Phosphotungstic acid，PTA)染色电镜技术，研究了褐家鼠精母细胞中常染色体联会复合体（Synaptonemal complex， SC）的发育及偶线期节（Zygotene nodule， ZN）。

Supported 12-Phosphotungstic Acid and Its Salts as Catalysts for the Synthesis of Fructone and Fructone-B;2. Their catalytic activities were measured by synthesis of fructone-B from ethyl acetoacetate and 1,2-propanediol.

制备了一系列以脱铝超稳Y沸石为载体的磷钨酸及其铯盐催化剂，考察了催化剂在以乙酰乙酸乙酯和1，2-丙二醇为原料催化合成草莓酯反应过程中的性能。

Various alcohols are tolerable under the present conditions including benzylic alcohols,allylic alcohols as well as simple aliphatic alcohols.

普通烷基醇如环己醇，甚至最简单的甲醇和乙醇也能顺利反应，产率中等。在这个反应中，磷钨酸能够顺利回收，并在此被用于催化反应，活性没有降低。

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。