The design method of safety protection system of air blower in large scale device of producing sulphuric acid from sulphur was described.
介绍了大型硫磺制酸装置中空气鼓风机安全保护系统的设计方法。
Third, as suggested in the study of human cells, the ellagic acid reduced inflammatory response and MMP secretion due to protection from the degradation of collagen.
第三，与人类细胞试验结果一样，鞣花酸可以减轻炎症反应，减少MMP分泌，以此保护胶原蛋白不被降解。鞣花酸同样也能防止表皮增厚。
Disclosed is a method which recovers pure acid from the waste acid contains metallic ion and reproduces alkaline, and belongs to the environmental protection field.
一种从含金属离子的废酸中回收纯酸并再生碱的方法，本发明属于环境保护领域。
The comprehensive utilization of by-product fluosilicic acid from phosphate fertilizer production is significant in terms of environmental protection, economic efficiency and resource utilization.
磷肥副产氟硅酸的综合利用对环境保护、经济效益、资源利用方面都具有重大意义。
Methods: An efficient route was started from the cheaper materials alanine and glutamic acid via protection, deprotection and coupling reactions.
方法：以廉价易得的谷氨酸和丙氨酸为起始原料，经端基保护、脱保护、缩合等步骤得到一个有效的合成路线。
The key to the question of making the Chemical Fiber Plant meet the environmental protection target is to treat the effluent from terephthalic acid and polyester equipment.
对苯二甲酸和聚酯装置废水的处理是制约化纤厂环保达标的关键。
The key to the question of making the Chemical Fiber Plant meet the environmental protection target is to treat the effluent from terephthalic acid and polyester equipment.
对苯二甲酸和聚酯装置废水的处理是制约化纤厂环保达标的关键。
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