查询词典 dioxide

"Its compounds, in which it has valence 2, 3, or 4, include titanium trichloride (used as a catalyst in polypropylene production), titanium dioxide (extensively used as a pigment-with the greatest hiding power of all white pigments-in paints, enamels, and lacquers), and titanium tetrachloride (used in skywriting, smoke screens, and as a catalyst )."

钛的化合物(其中钛的原子价为2、3或4)包括三氯化钛(在聚丙烯生产中作催化剂)、二氧化钛(在油漆、釉药和漆器中广泛用作颜料，在所有白色颜料中掩盖能力最强)以及四氯化钛(用于空中显示图形文字、烟幕以及催化剂)。

The usual image of greenhouse gas pollution is a smokestack pushing out carbon dioxide.

一般大家对温室气体的印象是来自於冒烟烟囱排放的二氧化碳。

The effects of using silicon dioxide and coal fly ash as well as sodium borate as additives were studied to improve the mechanical characteristic of the MSWI fly ash with phosphoric acid pretreatment during the sintering treatment process.

为提高经磷酸预处理后的焚烧飞灰在烧结处理过程中的烧结体机械强度，研究了添加SiO2或粉煤灰进行调质，其添加比例对烧结温度和烧结体性能的影响。同时进一步研究了利用硼酸钠作为助熔剂对焚烧飞灰烧结试验影响。

A process for producing sodium carbonate from sodium chloride and ammonia and carbon dioxide.

由氯化钠、氨和二氧化碳生成碳酸钠的过程。

A process of electrolytic synthesis of sodium perchlorate from sodium chlorate solution by lead dioxide anode based titanium metal is introduced.

介绍了以钛基体二氧化铅作为阳极，电解氯酸钠合成高氯酸钠的过程。

Third, the project description: sodium chlorate mainly used for the production of chlorine dioxide and other preparation of perchlorate, perchlorate and pesticides, pharmaceuticals, printing and dyeing, and so the chemical industry, proposed an annual output of 50,000 tons sodium chlorate project , the project completed, it can be realized in sales of 300 million yuan.

三、项目简介：氯酸钠主要用于二氧化氯的生产及制取其他亚氯酸盐、高氯酸盐及农药、医药、印染等化工行业，拟建年产5万吨氯酸钠项目，项目建成后，年可实现销售收入3亿元。

Sodium metal, as the products of chemical industry taking sodium salt as the raw material, has been widely applied to the production of sodium cyanide, sodium dioxide and the reducing agent concerned to metallic titanium, dyestuff, medical and synthetic organic products, as well as the refrigerant of atomic reactors.

金属钠是以钠盐为原料的化工产品，广泛用于制造氰化钠、过氧化钠和金属钛的还原剂，可做染料、医药、有机合成产品；还可做原子能反应堆的冷却剂。

Objective To learn the germicidal efficacy of sodium hypochlorite and stable chlorine dioxide that were commonly used in sewage disinfection.

目的了解无锡市常用污水消毒剂次氯酸钠溶液和稳定性二氧化氯溶液的杀菌效果。

After the solution was kept in the dark for five minutes,chloroform was added into it to adsorb selenium formed by previous reaction,then iodine separated out was determined by sodium hyposulfite titration using starch as the indicator,at last the content of selenium dioxide in the sample was foun.

在溶有二氧化硒的0.4～0.5mol/L盐酸介质中，加入过量的碘化钾，于暗处放置5min后，加入三氧甲烷吸附反应生成的硒，以淀粉为指示剂，用硫代硫酸钠标准溶液滴定析出的碘，测得二氧化硒的含量。

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。

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。