查询词典 acid process

Meanwhile,The impact of alcohol concentration,fermentation temperature,inoculums dose,initial sugar concentration,rotation speed,initial pH value to acid yield and ester yield in the process of solid-state fermenting craft was studied.

同时研究了酒精度、发酵温度、接种量、起始糖度、摇床转速、初始pH值等因素在固态发酵过程中对产醋酸和产酯量的影响。

Therefore,it is necessary to develop new routes to prepare anion exchange membranes without such chloromethylation process.As for cation exchange membranes, mostly-perfluorinated sulfonic acid ionomers,such as Nafion~ series,have been wildly used due to their high proton conductivity and substantial durability.

对于强碱性的阴离子交换膜的制备，由于传统路线中的卤甲基化步骤中不可避免的采用强致癌物质二氯甲醚，因此无论是从经济成本还是环境保护方面，开发不采用氯甲基化步骤的阴离子交换膜制备方法是目前的一个迫切要求。

Keywords Chloride acid;Chloride ion;Iron;Corrosion mechanism;Electrochemistry process

盐酸； 氯离子；工业纯铁；腐蚀机理；电化学过程

For water containing serious industrial contaminants, like that at Lampoldshausen, they use iron sulphate as the catalyst and add a small amount of hydrogen peroxide and sulphuric acid to assist the process.

像Lampoldshausen等地，由于水中含有危险的工业污染物，他们使用硫酸铁作为催化剂，并添加少量的过氧化氢和硫酸协助净化过程。

The compaction released water karsts are formed under the middle-deep buried surroundings are a process of the dissolution role between compaction released water contained organic acid and carbonate rock, are final production of karstification roles.

鄂尔多斯盆地的压释水岩溶是在中深埋藏条件下，富含有机酸的压释水渗入碳酸盐岩含水层所产生的溶蚀作用过程及岩溶化结果。

In this experiment, some strains of yeast were separated from koumiss in 4 regions of 3 nations, 3 strains of which were chosen to make the koumiss by the mixed fermentation under the experimental condition with the lactic acid bacteria. In fermentative process the alcohol content variation was measured.

从3个国家4个地区的酸马奶中共分离筛选出多株酵母菌，并筛选出3株酵母菌在实验室条件下与乳酸菌进行混合发酵制成酸马奶，测定发酵过程中的乙醇含量变化。

As for treatment of waste water from the water scrubbing purification process of the sulfuric acid plant,if lime milk alone is used for neutralization,effluent emission will mostly exceed the standard limit,causing environmental pollution.

硫酸装置水洗净化工艺的污水处理，若单纯用石灰乳中和大都会出现超标排放、污染环境。

A process for preparing superthin film of polyaniline, which can be used for chemical sensors, electrochromic device, luminous device, chemical modifying electrode and polymer FETs, uses intrinsic polyaniline solution and polymer acid as raw materials, which take part in doping reaction to prepare said film.

本发明公开了一种掺杂诱导沉积聚苯胺自组装超薄膜的制备方法，属超薄膜制备技术领域。它采用本征聚苯胺溶液及聚合物酸为原料，基于本征聚苯胺与聚合物酸的掺杂反应制备聚苯胺超薄膜。

Among them, the glue solvent addition-nitric acid had a greater impact, and its amount was controled at 8%~10% for the best; 2though the result of the ball catalyst prepared by oil ammonia column was better, the process was more complex; 3performance of the catalyst prepared by impregnation ball support was poor.

其中，胶溶剂硝酸的加入量有较大影响，其用量控制在8%～10%为最佳；2油氨柱滴球成型法制得的球形催化剂虽然齐聚反应效果较好，但工序较复杂；3浸渍球形载(来源：A61BcacaC论文网www.abclunwen.com)体法制得的催化剂催化性能较差。

This paper reported the materials doped with oaminobenzoic acid in the silica gels which were prepared by solgel process from the water glass used acetic ether as a latent acidic reagent.

有机发光体以其较高的发光效率、快速响应能力和较宽的可调谐波长被广泛应用于光转换材料、非线性光学材料和激光材料[1-3]。

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。