The etherification process of FCC light gasoline meets the requirement of producing clean gasoline, while the basic nitrogen compounds can deactivate the etherification catalyst-sulfonic acid resin.
催化裂化轻汽油醚化工艺适应了生产清洁汽油的要求，轻汽油中含有的少量碱性氮化物中和阳离子交换树脂催化剂的酸性，造成催化剂失活。
In order to improve the microorganism fermentation process of producing glutamine, an electrodialysis method was developed to separate glutamic acid and glutamine.
为改进微生物发酵法生产谷氨酰胺的流程，提出用电渗析方法来分离谷氨酰胺和谷氨酸。
The research was carried out on the control of the fermentation process in 10 L fermentator by Aspergillus niger producing glucose acid.
针对葡萄糖酸生产菌——黑曲霉，在10L发酵罐进行了其发酵工艺控制研究。
It was thought that the new process for producing glyoxal by oxidizing acetaldehyde with nitric acid should be developed inland, and the urgent task was increasing yield and quality.
认为国内应大力开发乙醛硝酸氧化法生产乙二醛的工艺，目前的迫切任务是提高产量与产品质量。
The process of producing diethyl oxalate and oxalic acid by co coupling reaction in gaseous phase was one of the most important projects of C1 chemical technology, due to its technical predominance.
CO气相催化偶联反应合成草酸酯、草酸工艺以其特有的技术优势成为当前C1化工领域研究的重要课题之一。
A new process for producing polymeric iron sulfate, a new high efficient coagulant, directly from waste sulfuric acid solution is introduced.
介绍了一种用硫酸废液直接生产新型高效混凝剂——聚合硫酸铁的新工艺。
The process of producing high quality acetic acid by single tower rectification is studied successfully inland for the first time.
在国内首次成功研究了单塔精馏生产优级品乙酸的生产工艺。
"1-pot" equipment is an automatic synthesis module of producing 18f-fdg by acid hydrolysis process.
单管化学合成模块是一种用酸水解法制备18f -FDG的自动化设备。
Concurrent xylose, glucose, oxalic acid, lignin and cellulose-producing pollutionless process with straw as material.
桔秆等同时制得木糖，葡萄糖，草酸，木质素和纤维素的无污染方法。
A biomass hydrolyzing process for producing glucose was investigated, through concentrated sulfuric acid hydrolysis of wood chips.
以木屑为研究对象，进行浓硫酸水解，得到产物单糖。
The cinder contains useful iron, dorwn from producing sulphuric acid by contact process.
接触法制硫酸的矿渣中含有铁矿。
The present invention relates to an apparatus and a process for producing zinc oxide from an acid soluble zinc-bearing material.
本发明涉及的仪器和生产从溶于锌轴承材料，氧化锌的过程。
There are also provided a solid acid useful as a constituent of the desulfurizing agent for use in the desulfurization method, and a process for producing the solid acid.
此外，本发明还提供可用作所述脱硫方法中使用的脱硫剂的构成成分的固体酸及其制造方法。
In this paper, Ti PbO 2 and Ti Ru used as anode and stainless steel used cathode in producing hypophosphorous acid by electrolytic process with four compartment electrodialytic cell was studied.
本文采用四室电渗析槽，分别以钛涂钌电极和钛基二氧化铅电极为阳极，不锈钢为阴极，进行了电解法制备次磷酸的实验研究。
There are several dozen plants producing titanium white by sulfuric acid process in China, but they are small in scale and capacity with few product varieties.
我国硫酸法钛白生产厂有数十家，生产规模和生产能力小，钛白品种少。
There are several dozen plants producing titanium white by sulfuric acid process in China, but they are small in scale and capacity with few product varieties.
我国硫酸法钛白生产厂有数十家，生产规模和生产能力小，钛白品种少。
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