硫酸二乙酯

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  • diethyl sulfate
硫酸二乙酯硫酸二乙酯
  1. 以其作为出发株,得出了以硫酸二乙酯(DES)诱变该株的致死率曲线,诱变剂用量为1%、诱变时间为50min时,该株的致死率达到75%。

    Carring on chemistry mutagenic to the this strain , Obtaining lethality curve that had induced mutation by diethyl sulfate ( DES ) . The mutagen amount used is 1 % , when the mutafacient time is 50 minutes , this strain lethality rate is 75 % .

  2. NDF-1是利用快中子轰击及硫酸二乙酯(DES)联合处理甘蓝型油菜高秆品系,然后再自交纯合后育成的矮化突变体,其株高仅及亲本的三分之一。

    The line " NDF-1 " , which is a dwarf mutant , has been obtained from the doubled haploid Brassica napus inbred line 3529 induced by fast neutron and diethyl sulfate ( DES ), whose high is one third of that of the wildness line .

  3. 在草菇V23原生质体形成和再生的最佳条件下制备原生质体。分别用紫外线(UV),60Co-γ射线,硫酸二乙酯(DES)对原生质体进行复合诱变。

    The protoplasts of Volvariella volvacea prepared under optimum conditions were mutated by UV irradiation , 60Co - γ rays and DES .

  4. 采用诱变技术对微生物菌种进行了诱变处理,分别研究了紫外线诱变菌、硫酸二乙酯(DES)诱变菌和复合诱变菌对含氨废水的降解性能。

    In this study , the technique of induced mutation was applied to selection of bacteria for treating ammonia nitrogen wastewater .

  5. 通过硫酸二乙酯(DES)诱变得到营养缺隐型菌株Q(arg-)和K(lys-,ρ-),其融合率为1.25×10-5。

    We obtained the auxotrophic mutantS of k ( lys , p ) and Q ( arg - ) by mutation with DES . The frequency of fusion is 1 . 25 per 105 protoplast .

  6. 硫酸二乙酯诱变选育乳酸菌菌株的研究

    Study on breeding of Lactobacillus strain by diethyl sulfate mutagenesis

  7. 稀土和硫酸二乙酯联合诱变米曲霉产氨基酰化酶的研究黑曲霉抗产毒黄曲霉作用的初步研究

    Preliminary Study on Antagonistic Effect of Aspergillus niger Mutant against Aspergillus flavus TO

  8. 硫酸二乙酯酸值对123树脂固化的影响研究

    Influence of Acid Value in Diethyl Sulfate on the Curing Process of 123 Resin

  9. 硫酸二乙酯法合成N-乙基间甲苯胺&芳胺N-烷基化研究(Ⅳ)

    SYNTHESIS OF N-ETHYL-m-TOLUIDINE BY DIETHYL SULFATE & The Serial Studies on N-Alkylation of Aromatic Amines (ⅳ)

  10. 通过硫酸二乙酯诱变得到高产菌株des-17、des-34、des-41。

    After original strain were mutagensised by UV combined LiCl and des , 5high-yield strains were obtained .

  11. 硫酸二乙酯、叠氮化钠对水稻种子萌发、幼苗初期生长的影响

    Effects of des , nan_3 on the seed germinating and seedling growing of rice at first days

  12. 硫酸二乙酯诱变选育弱后酸化保加利亚乳杆菌传统制作是在鲜奶里添加嗜热链球菌或保加利亚乳酸杆菌。

    It is traditionally made by adding common strains of Streptococcus and Lactobacillus Bacteria to raw milk .

  13. 用毛霉菌做出发菌株,经紫外线及硫酸二乙酯等物理化学方法诱变育种,筛选出利用葡萄糖生产γ亚麻酸的菌株,并对其发酵条件进行了研究。

    Mildew was departed from γ - flax acid of glucose production through the physical-chemical means induced breeding of ultraviolet radiation and diester sulfate , its ferment conditions were also studied .

  14. 为提高新月弯孢霉分泌漆酶的产量和活性,本文利用物理诱变法(紫外-60Co-γ合诱变,微波诱变)和化学诱变法(硫酸二乙酯诱变)对新月弯孢霉菌株进行诱变。

    In order to increase laccase yield and activity of Curvularia lunata , we mutated Curvularia lunata strains by physical method ( ultraviolet ray-60Co-y ray , microwave irradiation ) and chemical method ( diethyl sulfate ) .

  15. 用0.1%、0.3%、0.5%、0.7%和0.9%的硫酸二乙酯处理向日葵后,其发芽势、发芽率、出苗率、幼苗高度和细胞分裂指数均随着浓度增加而减小,染色体畸变率随浓度增加而提高。

    With treated seeds of sunflower by DES , the ability and rate of germination , rate of emergence , seedling height and index of cell division all reduced , whereas the frequency of aberration of chromosome increased with the increase of DES concentration .