最佳ph值 meaning in English
optimal ph
Examples
- Compared with minimal medium , rich medium leads to higher expression level up to 4 mg target protein / l . the optimal culture conditions we - e obtained as follow5 : complex medium buffered to ph 6 . 0 ; harvesting cells after 36 hours of methanol induction
对菌体培养条件进行的探索表明：蛋白表达的最佳ph值应为6刀，最佳诱导时问为36小时，培养基为营养丰富的复合培养基。 - The results showed that it could grow well in potato dextrose liquid medium . glucose and nh4 + were very suitable for its growth , lactose , urea and no2 " could distinctly improve its ability to produce flavone - like compounds , the optimum temperature for mycelia growth is 28 c , the optimum ph is natural ph , 100ml media volume in 250ml flasks and 100r / min were propitious to develop . vitamin b1 b2 , c and fh4 could promote the growth rate of eg4 in different degree , fh4 and ca2 + could clearly improve its ability to produce flavonoids
对该菌株的培养生物学特性研究表明， eg _ 4在马铃薯葡萄糖培养基上生长较好，最佳生长碳、氮源分别为葡萄糖和nh _ 4 ~ + ；乳糖、 no _ 2 ~ -和尿素则能够促进其产生黄酮类物质；最适培养温度为28 ，最佳ph值为自然ph值6 . 8 ； 100ml 250ml的装液量、 100r / min的转速较利于生长；维生素b _ 1 、 b _ 2 、 c和叶酸都能不同程度的促进其生长，叶酸还能显著提高黄酮产率；该菌产黄酮代谢受ca ( 2 + )的调节， ca ( 2 + )能明显促进其产黄酮能力的提高。 - When nals was used as the collector in the process , the optimal conditions were the ph of feed solution 5 . 0 - 6 . 0 , air flow rate 100ml / min , the liquid column depths 20cm , the surfactant concentration determined by its cmc and feed concentration . under this condition , the 3 can be above 20 . also , the optimal ph ( 5 . 0 ) was calculated theoretically for the recovery of the cu ( ii )
对以十二烷基硫酸钠为捕集剂的泡沫吸附分离过程的工艺参数进行了研究，并得出本分离系统所确定的最佳工艺参数为： ph5 . 0 6 . 0 ，气体流量100ml min ，液位高度20cm ，最佳表面活性剂浓度由其临界胶束浓度和原料液浓度确定，此时(浓缩比)可达20以上；同时还从理论上推算出泡沫吸附分离铜的最佳ph值范围为5 . 0左右。 - It is shown that the effect of pac removing fluoride is closely related to ph value and the optimum range of ph value is between 6 . 1 ? 7 . 1 . under this condition , further studies are made on the optimum coagulant dosage , mixing time , artificial turbidity , filtration rate and filter bed ' s depth and the optimum range of these parameters have been determined
碱式氯化铝的除氟能力与原水的ph值有密切的关系，除氟最佳ph值范围为6 . 1 ? 7 . 1 。在此条件下，进一步对最佳投药量、混合时间、反应时间、人工辅助投加浊度、滤速及滤层厚度进行了研究，确定了其最优的取值。