查询词典 dithionite

The results showed that sodium dithionite was used on bean sprout in order to keep it fresh.

对佛山市禅城区市场豆芽的食用安全问题进行了随机采样检测，结果表明，被抽测的几大农贸市场中，无论是黄豆芽还是绿豆芽都含有一定量对人体有害的保险粉。

Several new technologies of sodium dithionite and their current situations of industrial application and research were introduced in this paper.

保险粉是一种常用的还原性纸浆漂白剂，本文介绍了目前国际上保险粉在制浆过程中的研究和应用现状，分析了保险粉用于制浆过程的技术经济和环境影响。

The combined ether layers were treated with sodium dithionite and washed with water (10 mL).

合并醚层治疗连二亚硫酸钠和水洗（ 10毫升）。

Several typical sodium dithionite bleaching processes,and its current situation of industrial application and research were introduced in this paper.

保险粉是一种常用的还原性纸浆漂白剂，该文介绍了几种典型流程以及保险粉在纸浆漂白中的应用和研究现状，分析了保险粉纸浆漂白的性能、环境影响和成本。

The combined ether layers were treated with sodium dithionite and washed with water (3 10 mL).

合并醚层治疗钠连二和水洗。

The reaction of fluoroalkyl iodides with ethyl vinyl ether and amines in the presence of sodium dithionite was studied.

研究了在保险粉存在下，氟烷基碘(1)与乙烯基乙醚和伯胺或仲胺(2)的反应。

In this study, Fe and sodium dithionite solutions were added into Cr-spiked soils and their effects on the decrease of availability of Cr were investigated.

本研究旨在探讨将Fe或连二亚硫酸钠（Na2S2O4）等化学还原剂施於Cr污染之碱性土壤，降低有效性六价铬含量的效果。

Mmol/L. The activity of this catalase was not reduced by dithionite but was strongly inhibited by cyanide, azide, and 3-amino-1,2,4-triazole (the specific inhibitor of monofunctional catalase).

该过氧化氢酶不受连二亚硫酸钠的还原作用影响，但被氰化物、叠氮化物和3-氨基-1，2，4-三唑(单功能过氧化氢酶的专一抑制剂)强烈抑制。

Reduction of FA is the common synthetic method of THFA. These methods include hydrogenation in high-pressure,reduction by hydroborates and reduction by dithionite.

在利用基因工程菌表达的丝氨酸羟甲基转移酶酶法制备L-丝氨酸的过程中，SHMT需要四氢叶酸作为辅酶。

Thermodynamic analysis shows that electrochemical reduction of HSO-3 into dithionite is controlled dynamically, not thermodynamically, and that concentration decrease of the sulfur-compounds will be helpful to increase thermodynamic stability of dithionite produced by electrochemical reduction of HSO-3.3figs.,2tabs.,9refs.

热力学与文献研究结果表明，HSO-3电化学还原为S2O2-4的过程为动力学控制，当溶液中含硫物质的浓度均为0.001mol*dm-3时，HSO-3电解还原为S2O2-4的热力学稳定性提高。图3，表2，参9。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。