查询词典 hydrogen dioxide

A newel technique proves that the chlorine dioxide is produced by the reaction of sodium chlorate with hydrogen peroxide under the existence of sulfuric acid.

利用实验室搭建的二氧化氯反应装置，用过氧化氢在硫酸介质中还原氯酸钠，制备二氧化氯水溶液。

Mission:"equality and mutual benefit, reputation first, unity and cooperation and friendship between the long-term" supply products: ethylenediamine; diethylamide; triethylamine; Diethylenetriamine; three ethylene diamine; three ethylene amines 40; 40 Five ethylene amines; five ethylene amines 6; caprolactam; DMF; allyl amine; N, N dimethylaniline; propylamine; are butylamine; are TOA; 3 Poly Cyanamide; 1,2 c diamine; ethanolamine; diethanolamine, triethanolamine; potassium iodide, potassium hydroxide, potassium permanganate, toluene, xylene, toluene of chlorine ; Acetone, butanone; acetylacetone; ethyl acetate, butyl acetate; Y-butyrolactone; DMC; acetyl of methyl acetate; Sanfu acetyl acid; Sanfu acetyl B Ethyl; methanol, ethanol, isopropanol; propylene glycol; glycerol; propargyl alcohol; 1.3 propylene glycol; xylitol; acetic acid; have acid; mercaptoacetic acid; vary Bitterness; adipic acid; trifluoroacetic acid; oxalic acid, the amino acid; o-amygdalin acid; DL-Acid; anhydrous piperazine; six non-piperazine, furfural, castor oil, ethylene Aldehyde; glutaraldehyde, multi-POM; isopropyl ether; anisole; tetrahydropyrrole; pure pyridine; 1.2 dichloroethane; methylene chloride, chloroform, carbon tetrachloride; hydrazine hydrate; Nonylphenol;-m-cresol; Se phenol; phenol; the tert-butyl phenol; Titanium Dioxide; iron; full Tangfen; Bisphenol A; azo two different nitrile; sodium azide; sodium carbonate ; Sodium chloride; iron oxide; cuprous chloride; thionyl chloride; D4; sodium bicarbonate; ammonia, potassium chloride; anhydrous sodium sulphite; ammonium persulfate; glycol Dingmi; B Glycol ether; calcium chloride; cyclohexanone; cyclohexane, methyl tertiary butyl ether, potassium carbonate, ferric chloride, potassium nitrate; Linsuansanna; zinc oxide; sodium nitrite; antimony oxide; Tartrate; OP-10; TX-10; tablets base; AES; sodium benzoate, sodium citrate; partial sodium silicate, sodium perborate, a sodium carbonate, sodium benzene; Asia sodium chlorate; Wuluo Care products; urea; hydrochloric acid, sulfuric acid, lactic acid; amino acid, hydrogen peroxide, ammonium bicarbonate

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In putrefaction the evolved materials may contain carbon dioxide, but the characteristic odors are hydrogen sulfide and sulfur-containing protein decomposition products.

在腐败过程中，放出的物质中可能含有二氧化碳，但其特征气味是硫化氢和含硫蛋白质的分解产物。

It was found that there was hydrogen bonding interactions between chitosan and silicon dioxide nanoparticles.

实验结果表明，复合膜中，壳聚糖与SiOx微粒间存在较强的氢键作用，从而使SiOx和壳聚糖之间有很好的界面作用。

The conclusions of risk assessment and risk management suggestions for sulfites2.1 The results of risk assessment for sulfites2.1.1Sulfur dioxide,potassium metabisulphite,sodium metabifulphite,sodium sulfite,sodium hydrogen sulfite,sodium hyposulfite are Sulfities pemitted to use in China.

亚硫酸盐的危险性评估结论及危险性管理措施2.1亚硫酸盐的危险性评估结论2.1.1我国允许使用的亚硫酸盐包括二氧化硫、焦亚硫酸钾、焦亚硫酸钠、亚硫酸钠、亚硫酸氢钠、低亚硫酸钠等。

The concentrations of CO2, CF4, thionyl sulfide (SOF2), sulfuryl fluoride (SO2F2), disulfuryl decafluoride (S2OF10), sulfur dioxide (SO2) and sulfureted hydrogen (H2S) were in partial normal distribution. The concentrations of CO2, CF4, SOF2, SO2F2, S2OF10 were all below 0.1%; the concentrations of SO2 were below 3μL/L; the concentrations of H2S were below 1μL/L. The SF6 byproducts concentrations in 500kV GIS were lower than those in 220kV GIS. The SF6 byproducts concentrations were lower in GIS that have been operating longer. The SF6 byproducts concentrations were significantly different in equipment from different manufacturers.

结果显 示：SF6 GIS 中CO2、CF4、氟化亚硫酰（SOF2）、氟化硫酰（SO2F2）、十氟化二硫酰（S2OF10）、二氧化硫（SO2）和硫化氢（H2S）都成偏正态分布，其中，CO2、CF4、SOF2、 SO2F2、S2OF10 的含量均小于0.1％，SO2 的含量均低于3μL/L，H2S 的含量均低于1μL/L.500kV GIS 设备中SF6 分解产物含量低于220kV GIS 设备；运行时间越长，设备中SF6 分解产物的含量越高；不同设备厂商的GIS 中 SF6 分解产物含量有显著性区别。

The concentrations of CO2, CF4, thionyl sulfide (SOF2), sulfuryl fluoride (SO2F2), disulfuryl decafluoride (S2OF10), sulfur dioxide (SO2) and sulfureted hydrogen (H2S) were in partial normal distribution.

本文总结了广东省74 个220kV 和500kV 全封闭组合电器变电站共3770 个气室中SF6 分解产物的含量，为SF6 GIS 潜伏性故障及其故障类型判断累积经验。

The basic mechanism of titanium dioxide photocatalytic water-splitting for hydrogen production is introduced.

简单介绍了二氧化钛光催化分解水制氢的基本原理。

Sodium hypochlorite,hydrogen peroxide(H_2O_2),potassium permanganate(KMnO_4),chlorine dioxide(ClO_2),ozone(O_3) were used to inactivate and kill the Tubifex under conditions of different dosages,pH values and contact times.

本文对水厂中新发现的水生物—颤蚓进行了初步研究，利用次氯酸钠、过氧化氢、高锰酸钾、二氧化氯和臭氧等几种常用氧化剂对其进行了灭活试验，研究了在不同投药量、pH值、接触时间下比较几种药剂的灭活效果。

W - doped vanadium dioxide film was prepared by dipping V - W commixed sol on surface of glass slide and reducing in hydrogen atmosphere.

采用钒-钨混合溶胶及浸渍提拉法在玻璃基片上涂五氧化二钒膜，再通过氢还原法制备掺钨二氧化钒薄膜。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。