英语释义

1. a sulfide of sodium especially a crystalline compound Na2S usually obtained by heating sodium sulfate with coal or hydrogen and used in dehairing hides, in the manufacture of sulfur dyes, as a solvent for these dyes, and as a reducing agent for the nitro group in making amines — compare black ash entry 2 sense 2, sodium hydrosulfide, sodium polysulfide

片语

Sodium Gold Sulfide亚硫酸金钠

Sodium sulfide C硫化钠

solution of sodium sulfide硫化堿液

sodium sulphite亚硫酸钠，硫酸钠；硫化钠

sodium sulfide-induced硫化钠诱导浮选

sodium m sulfide硫化钠

sodium sulphide硫化钠（等于硫化堿）

Sodium Sulfide Decahydrate硫酸钠十水

sodium acid sulfide酸式硫化钠

Sodium Sulfide Flakes片状硫化钠

sodium hydrogen sulfide[无化] 氢硫化钠

英汉例句

• in the presence of catalyst, pps can be synthesized by p dichlorobenzene and sodium sulfide in proper solvent. pps can be manufactured heretofore.

  用对二氯苯和硫化钠在合适的溶剂中经催化反应生成pps ，目前已能规模化生产。

• laboratory studies have shown that sodium sulfide or the sodium hyposulfite can be oxidized to elemental sulfur by strain 1 or strain 2, they can obtain energy from the oxidation.

  实验室研究表明，菌株1和菌株2可以代谢硫化钠和硫代硫酸钠产生单质硫。

• with the application of uv spectrophotometry, and solution chemistry method, the reagent removal mechanism of sodium sulfide was studied.

  应用紫外吸光光度法和溶液化学的方法研究了硫化钠脱药机理。

• the results showed that the activation of sodium sulfide to the smithsonite due to the hs- ion adsorbed on the smithsonite「s surface and lead to the zeta potential drop.

  结果表明，硫化钠对菱锌矿的活化作用主要通过hs-吸附在菱锌矿表面，降低菱锌矿表面电位实现；

• the superiority of catalytic hydrogenation reducing to iron and sodium sulfide reducing is showed in both increasing yield and decreasing wastes.

  对比说明了加氢法在提高产品收率、减少三废方面明显优于铁粉法和硫化钠法。

• the invention discloses a semi-vertical reverberatory furnace for preparing sodium sulfide and a technique thereof.

  本发明公开了一种制备硫化钠的半立式反射炉以及工艺。

• the method consists of grinding, screening and flotation etc. in order to carry out flotation of copper successfully, xanthate and aerofloat are used as collectors and sodium sulfide as activator.

  此法包括粉碎、筛选和浮选等过程。为了成功地实现铜的浮选，用黄药和黑药作捕收剂，硫化钠作活化剂。

• residual lignins from sodium sulfide pretreatment kraft pulping were studied by chemical and spectral methods. sodium sulfide pretreatment can promote sulfur combining chemically with lignin.

  用化学和波谱分析研究了硫化钠预处理硫酸盐制浆中残余木质素的化学结构特性。

• kraft process: chemical method for producing wood pulp using caustic soda and sodium sulfide as the liquor in which the pulpwood is cooked to loosen the fibres.

  硫酸盐制浆法：生产木浆的一种化学方法，用苛性钠和硫酸钠作为溶液，把纸浆原料放在里面煮，使其纤维松释。

• sodium sulfide spent caustic liquor was treated by wet air oxidation (wao).

  采用湿式空气氧化法处理含硫化钠废堿液。

• this experiment was done in order to explore the oxidized law of sodium sulfide in different atmospheres.

  这项工作的目的在于探讨分析纯和工业品硫化钠在不同条件下的氧化规律。

• a range of polymers which are made from sodium sulfide and p-dichlorobenzene.

  由硫化钠和对二氯苯制成的一系列聚合物。

• indium sulfide nanomaterials of different frameworks and morphologies have been prepared ionothermally using indium chloride and sodium sulfide as raw materials and different ionic liquids as solvent.

  以氯化铟和硫化钠为原料，以不同的离子液体为溶剂，采用离子热法合成了不同结构、形貌的硫化铟纳米材料。

• sodium sulfide pretreatment can promote sulfur combining chemically with lignin. the amount of methoxyl group decreases after wood chip being treated by sodium sulfide.

  结果表明，硫化钠处理能促进硫与木片中木质素的结合，而甲氧基的含量有所下降。

• p-toluene thio sulfonic acid sodium salt has been synthesized with sodium sulfide and p-toluenesulfonyl chloride as the raw materials.

  本文以硫化钠和对甲苯磺酰氯为原料，对对甲苯硫代磺酸钠的合成工艺进行了改进。

• with certain addition agent in a polar organic solvent, the crystal linear hmw pps was synthesised from sodium sulfide and p-dichlorobenzene.

  以硫化钠、对二氯苯为原料，加入一定量的助剂，在极性有机溶剂中进行常压聚合反应，得到线型的、结晶性的高分子量聚苯硫醚。

• the method that the gold concentrate adding sodium sulfide is roasted could effectually raised the recoveries of gold, silver and copper.

  该方法是将金精矿加入硫化钠后进行焙烧预处理，可有效地提高金、银、铜的回收率。

• in qilu」s ethylene plant, sodium sulfide in spent lye is slowly oxidized by air to produce soluble sulfate which is discharged to spent water disposal system.

  采用空气缓慢氧化处理乙烯装置废堿液中的硫化钠，使之生成可溶性的硫酸盐，从而可排入污水处理系统处理。

• residual lignins from sodium sulfide pretreatment kraft pulping were studied by chemical and spectral methods.

  用化学和波谱分析研究了硫化钠预处理硫酸盐制浆中残余木质素的化学结构特性。

• effects of sodium sulfide on collectorless flotation of galena have been investigated.

  本文研究了硫化钠对方铅矿无捕收剂浮选的影响。

• effects of solvent, sodium sulfide dosage, reaction time and reaction temperature in syn thesis of dibenzyl sulfide from benzyl chloride with sodium sulfide without catalyst were studied.

  研究了无催化剂存在时，溶剂、硫化钠用量、反应时间和反应温度对从氯化芐和硫化钠合成二芐基硫醚的影响。

• the invention relates to a zero-emission treatment process of o-phenylenediamine sodium sulfide reduction wastewater, which adopts the following steps in sequence: wastewater is filtered;

  本发明涉及一种零排放处理邻苯二胺硫化堿还原废水工艺。其工艺步骤依次为：过滤废水；

• the results indicate that the contents of sulfur and methoxyl group and the delignification process of sodium sulfide pretreatment kraft pulping are different from those of control pulping.

  结果表明，预处理制浆溶出木质素的硫元素与甲氧基含量及脱木质素反应均不同于常规硫酸盐制浆。