目的：研究硫化碱+生石灰+酒精溶液的脱毛效果。
Objective: to study the depilatory efficacy of sulphurate alkali + quicklime + alcohol solution.
硫化碱纸塑编复合包装袋，属于铁路运输包装结构的改进。
Paper-plastic-braided composite packaging boag for sodium sulphide belongs to an improvement of the structure of package for railway transportation.
综述了中国硫化碱生产技术现状及存在的主要问题，以及中国硫化碱主要专利技术状况。
The current technological status and existing problems of Na_2S production in China are reviewed, and the patents of Na_2S production method are also described.
本发明涉及一种零排放处理邻苯二胺硫化碱还原废水工艺。其工艺步骤依次为：过滤废水；
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;
将无灰无硫化碱脱毛浸灰试验工艺同传统石灰硫化碱脱毛浸灰工艺在绵羊皮上的应用进行了对比。
A process of sheepskin leather in beamhouse was investigated, which studied sulfides and sulfide-free unhairing, liming and lime-free swelling.
介绍3种具有代表性的甲硫醇合成方法：硫脲-硫酸二甲酯法、硫化碱-硫酸二甲酯法和甲醇-硫化氢法。
Three typical methods for synthesizing methanthiol are introduced: i. e. thiourea-dimethyl sulfate method, alkali sulfide-dimethyl sulfate method, and methanol-hydrogen sulfide method.
针对近几年国内外硫化碱市场需求，研制出了一种硫化钠质量分数为45%左右的白色高纯结晶硫化钠新产品。
In accordance with the market demand of sodium sulphide at home and abroad in recent years, a new product, the high purity white sodium sulphide crystal with concentration of 45% Na_2S was prepared.
导热油炉加热旋转薄膜蒸发器是一种新型的硫化碱生产的关键设备，它由导热油炉与旋转薄膜蒸发器两部分组成。
The rotary film evaporator with heat-conducting oil furnace is a new kind key equipment for the production of sodium sulfide.
研究了蒸煮工艺中总碱量、硫化度以及蒸煮时间与纤维素含量的关系，并采用扫描电镜对蒸煮后的纤维进行了观测。
The effect of three kinds of factors on the content of cellulose, such as the alkalinity, sulfide degree and boiling time, was studied and the SEM of the boiled cellulose was observed.
考察了循环氢中硫化氢含量对催化裂化汽油重馏分（HCN）加氢脱硫性能的影响和HCN加氢产物的无碱脱臭处理效果。
The influence of hydrogen sulfide content in recycle hydrogen on the hydrodesulfurization(HDS)of heavy cracked naphtha(HCN)and the performance of sweetening process were studied.
在氧化法去除含硫脱毛碱膨胀废水内主要污染物硫化物的过程中，考察了13种金属离子交换蒙脱石的催化氧化能力。
The catalytic oxidation ability of 13 metal ion-exchanged montmorillonites are investigated in oxidative removal of the sulfides which are the main pollutant in the moult and alkali swell waste water.
炼油厂生产过程中产生的废碱液，含有浓度很高的硫化钠，硫醇钠等恶臭物质，在中和废碱液前需对其进行处理。
A waste alkaline liquor produced in the process of oil refining contains high concentration sodium sulphide and mercaptan sodium etc, which needs treatment before its neutralization.
在碱回收过程中，硫酸钠被还原为硫化钠。
During the alkali recovery process, this sulfate is reduced to sulfide.
同时分析了液化气碱法脱臭工艺存在的二硫化物夹带、碱液夹带和废碱渣等问题，提出了改进的工艺技术路线。
The problems of disulfide and caustic liquid entrainment and waste caustic residue existed in caustic sweetening process are discussed. The improving technical route is proposed.
结果表明，甜菜碱改性高岭土对硫化胶具有明显的补强作用。
The results showed that the betaine-(modified) kaolin had remarkable reinforcement on vulcanizate.
采用湿式空气氧化法处理含硫化钠废碱液。
Sodium sulfide spent caustic liquor was treated by wet air oxidation (WAO).
采用混凝沉淀-铁屑过滤-碱析组合工艺处理高浓度硫化染色废水。
The combined technology of coagulative precipitation-iron chippings filtering-alkaline separation was ed to purify the high concentration sulphur dyeing sewage.
开发的固体碱技术不仅具有良好的硫化氢脱除性能，而且还具有硫醇和总硫降低功能。该技术在液化石油气脱硫精制装置上进行了工业应用。
The newly developed solid base technology has been applied on the desulfurization of LPG with good removal of hydrogen sulfide as well as the removal of thiols and the total sulfur.
呈白色粉末状，无毒无腐蚀作用，不溶于水，与硫化氢和碱液不起作用，遇酸溶解而产生硫化氢气体。
White powder, non-toxic non-corrosive effect, do not dissolve in water with hydrogen sulfide and the lye does not work, have a case of acid and dissolved hydrogen sulfide gas.
碱纤维素再经二硫化碳处理制成纤维素黄酸酯。
The alkali cellulose is then treated with carbon disulfide to form cellulose xanthate.
本发明涉及一种用于脱硫化氢废碱液深度处理工艺，属于化工环保领域。
The invention relates to a process for advanced treatment of waste alkali in hydrogen sulfide removal, belonging to the field of environmental protection in chemical industry.
废碱液中富含硫化物会对废液的生物降解起抑制作用，故废液在排往污水处理之前常须进行预处理。
Sulfides usually will inhibit the waste water biodegradation and sometimes pretreatment is needed to get rid of it.
废碱液中富含硫化物会对废液的生物降解起抑制作用，故废液在排往污水处理之前常须进行预处理。
Sulfides usually will inhibit the waste water biodegradation and sometimes pretreatment is needed to get rid of it.
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