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1.It is verified that the high temperature in RTP can efficiently dissolve the existing oxygen precipitates, indicating that the annealing temperature other than time is the determinative factor for the dissolution of oxygen precipitates.
研究证实:高温快速热处理可以显著地消融沈淀,沈淀消融的决定性因素是热处理温度。收藏指正
2.The effects of hydrofoil impeller on erythromycin fermentation and variation of fermentation parameter such as broth viscosity, dissolve oxygen, fermentation unit, power consumption on the scale of 20 ton fermentor, etc. with time were studied.
摘要在20t工业发酵罐中,研究了翼形轴流桨搅拌对红?素发酵过程的影响,重点考察了粘度、溶、效价等过程参数变化,以及搅拌功耗与发酵产量之间的关系。收藏指正
3.Disadvantages of biochemical aeration tank were discussed after using divergent blast aeration technology, It was pointed out that application of microporous aeration technology can solve some problems, such as low dissolve oxygen ,weak anti-strike performance, The wastewater processing results of biochemical aeration tank were obviously improved after using this kind of technology.
对合建式生化曝气池采用散流式鼓风曝气技术后存在的问题进行了分析,提出采用微孔曝气技术可解决充能力低,抗冲击能力差等问题,从而提高了生化曝气池的污水处理效果。收藏指正
4.In addition to the hemoglobin substitutes discussed so far, there is another type of blood substitutes based on perfluorochemicals, synthetic fluids in which oxygen can dissolve.
此外对血红蛋白替代品更深人的讨论,在于能有基于全氟化合物的血液替代品,氧气能溶解在这种合成液体中。收藏指正
5.Because the carbonyl in its structure is with strongly absorb-electron effect, so it is a kind of non-proton polarity solvent with high boiling point, high flash point and low melting point, use conveniently for many processing operation such as filtration, distillation, solvent extraction, and so on; it is with very low toxicity, so the harm to human body is inappreciable, and reduce the environment pollution; due to its very strong dissolvability, it can dissolve organic matter, inorganic matter, resin, polymer, etc., and activate all kinds of reagent, mix to dissolve the other high boiling point solvents; it is with very good stability, it is stable under the hot strong alkali and acidity condition, it is with water-resistance and light, oxygen stability.
其结构中由于羰基具有强烈的吸电子效应,因而它是一种非质子的极性溶剂,具有高沸点、高闪点、低熔点,在过滤、蒸馏、溶剂萃取等工艺操作中使用方便;毒性极低,对人体危害微不足道,也减少了对环境的污染;由于它具有极强的溶解性,能溶解有机物、无机物、树脂、聚合物等,并对各种试剂具有活化性质,还能与其它高沸点溶剂混溶;具有极好的稳定性,在热的强碱和酸性条件下都很稳定,还具有耐水性及对光、的稳定性。收藏指正
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