查询词典 chromium-chlorite

The influence of the K/Na modificator on structure and performance of high chromium cast iron was investigated.

考察了K/Na变质剂对高铬铸铁组织和性能的影响，确定了合金的熔炼工艺和热处理工艺，得出最佳的淬火和回火工艺温度(淬火1000℃+450℃回火)。

Moreover, most of these toxicities caused by high-concentration chromium exposure could be transferred from exposed animals to their progeny.

而且，大部分高浓度Cr暴露导致的缺陷可以从暴露当代传递到后代，使后代仍然呈现出严重的表型与行为缺陷。

Objective To explore the acute toxicity of arsenic,chromium,lead,cadmium,hydrargyrum to luminescent bacteria Vibrio qinghaiensis sp-Q67 at normal temperature(25℃).

目的探索常温(25℃)下水中砷、铬、铅、镉和汞对发光菌青海弧菌Q67的急性毒性效应。

Study on kinetics of chromium reduction by hydrazine in the alkaline solution

性质：有机化合物分子在还原剂作用下发生的偶联反应。

Reaction mechanism for 11,1,2-tetrafluoroethane preparation is carried out through gas phase fluorination by hydrogen fluoride over chromium-magnesium fluorination catalysts with trichloroethylene as main materials and dynamics models are set up.

研究了以三氯乙烯为主要原料，在铬镁氟化催化剂存在下，用氟化氢气相氟化制备1，1，1，2-四氟乙烷的反应机理，建立了动力学模型。

It can clear away alien color and foreign substance from the water and can remove heavy metal such as merury.lead,cadmium.zinc,iron,manganese and chromium.and hydrogenate,sulphide remaining chloride and so on .

能去除清水中异色、异味和铅、镉、锌、锰铬等重金属物质。

It can clear away alien colour and foreign substmce fron the water and can remove heavy metalsuch as mercury,lead,cadmium,Zink,iron,manganese and chromium,and hydrogenate,sulphide,samallamount of remaining chlorideang so on .

能去除清水中异色、异味和汞，铅、锌、铁、锰，铬等金属物质。

Results toxic test and ld 50 test showed that nata de coco strain was free from toxin.quality control system has not been established and sanitary facilities were incomplete in most fac-tories.totally54samples of nata de coco were hygienically determined.the pollution level of elements of pb,as,nitrate and nitrite was low,but chromium was relatively higher.no aflatoxin b 1 and pathogenic bacteria were detected.the residual hydrogen peroxide were detected from15out of the18samples detected.

结果 菌种毒力试验和急性毒性试验（ld 50 ）显示为无毒物；多数企业未建立卫生管理制度，卫生设施不完善；采集54份椰果样品做卫生学检测，铅、砷等重金属元素、硝酸盐、亚硝酸盐污染水平较低，铬含量相对较高，未发现黄曲霉毒素b 1 和致病菌的污染；18份椰果样品中有15份残留过氧化氢。

The effect of Ti on the microstructure of the 4wt%C-20wt%Cr hypereutectic high-chromium cast iron was studied in this paper.

研究了不同的含Ti量对4C-20Cr过共晶高铬铸铁显微组织的影响。

The results showed that the microstructure of hypereutectic high-chromium cast iron is significantly influenced by temperature of slurry.

试验结果表明，半固态浆料温度对试样的半固态组织有明显的影响。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。