改善限的英文

• improvement threshold

• "改善"英文翻译    improve; ameliorate; perfect ...
• "改善" 英文翻译 :    improve; ameliorate; perfect; better; mend; modify; improvement; perfection; melioration 改善人民生活 make the people's life better; 改善工作条件 improve the working conditions; 改善经济环境 improve the economic environment; 两国关系已有所改善。 the relations between the two countries have shown some improvement
• "改善 改修" 英文翻译 :    improvement
• "改善，改进" 英文翻译 :    improve verb
• "改善，改良" 英文翻译 :    ameliorate
• "改善，增进" 英文翻译 :    improve (l02/l03/l04); improve （l02/l03/l04）
• "改善；提高" 英文翻译 :    upgrade
• "改善的" 英文翻译 :    ameliorative; streamlined
• "改善法" 英文翻译 :    elimination combination rearrangement simplification ecrs
• "改善费" 英文翻译 :    betterment cost
• "改善井" 英文翻译 :    improved well
• "改善区" 英文翻译 :    upgrading area
• "改善者" 英文翻译 :    improver
• "可改善" 英文翻译 :    improvability
• "像改善" 英文翻译 :    image improvement
• "增进,改善" 英文翻译 :    improve
• "柱改善" 英文翻译 :    column conditioning
• "改善进度改善" 英文翻译 :    refinement, schedule refinement
• "refinement改善进度改善" 英文翻译 :    refinement schedule
• "（财务）比率改善" 英文翻译 :    ratio enhancement
• "拌摔改善" 英文翻译 :    improved trip
• "不断改善”" 英文翻译 :    continuous improvement
• "不能改善的" 英文翻译 :    desperate
• "操作改善" 英文翻译 :    operation improvement
• "成品改善" 英文翻译 :    action on output

• Quinic acid , used shikimate pathway in e . coli , it is necessary to extend metabolic pathway by introduction of a heterogenous gene qutb into the host cell . double specific enzyme genes arog , qutb or three ones arog , qutb , arob were co - expressed in a single plasmid pbv220 to improve the enzymes " rate - limiting reactions . modifications of e . coli chromosome by both disruption of the arod gene and directed - site insertion of the arob gene resulted in the change of carbon flow redirected into the quinic acid biosynthesis branch
  利用大肠杆菌莽草酸途径合成新的代谢物奎尼酸，须在宿主细胞引入异源酶基因扩展代谢途径；串联表达酶基因，同时适量增加不同种属的多个关键酶酶量，改善限速反应；利用同源重组进行基因整合和基因破坏，改造染色体结构定向改变微生物代谢途径；目的是将碳代谢流最大程度的引向奎尼酸生成的方向。