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- N,N-Diisopropylethylamine(DIPEA) was prepared from diisopropylamine (DIPA) and diethyl sulfate (Et_2SO_4). 以二异丙胺 (DIPA)、硫酸二乙酯 (Et2 SO4 )为原料合成N ,N 二异丙基乙基胺 (DIPEA)。
- As an original strain, Mortierella isabellina was mutated by diethyl sulfate (DES) treatment and a mutant named XM 1 was obtained. 以深黄被孢霉为出发菌 ;通过硫酸二乙酯 (DES)诱变 ;获得优化的变异菌株 XM-1 .;经初筛、复筛及传代实验;表明其是稳定的变异株
- Under base condition,diethyl sulfate and salicylic acid occured subsitution reaction,then acidifated to obtain o ehtoxybenzoic acid. 由水杨酸和硫酸二乙酯经碱性下取代、酸化制得了邻乙氧基苯甲酸。
- The slant mycelia cultured with or without mutagenic agent diethyl sulfate (DS) and spores of Trichoderma reesei were loaded in the 18(superscript th) returning satellite. 摘要本文对产纤维素酶的木霉菌孢子和斜面培养菌体搭载中国第18颗返回式卫星后，菌落形态和产酶能力的变化进行了研究。
- A dsp (disease specific pathogenicity) mutant,AM11,of Xanthomonas oryzae pv oryzicola (Xooc)was obtained following mutagenesis of the wild type Xooc strain RS105 with diethyl sulfate. 用硫酸二乙酯 (DES)化学诱变水稻条斑病细菌RS1 0 5菌株 ,获得一株dsp基因突变体AM1 1。
- Guanosine overproducing mutant was derived from Bacillus subtilis T1001 by using ultraviolet and diethyl sulfate (DES). The mutant was selected directionally and step wisely on the agar plates containing methionine sulfoxide(MSO) and 8 azaguanine(8 AG). 以枯草芽孢杆菌T1 0 0 1为出发菌株 ,经紫外线、硫酸二乙酯逐级诱变处理 ,选育出腺嘌呤缺陷型 (Ade- )菌株 ,然后经蛋氨酸亚砜 (MSO)、8 氮鸟嘌呤 ( 8 AG)结构类似物平板定向筛选 ,获得鸟苷高产菌株TA2 0 8。
- 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 . “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。
- Influence of Acid Value in Diethyl Sulfate on the Curing Process of 123 Resin 硫酸二乙酯酸值对123树脂固化的影响研究
- The doctors gave him an ultrasonic brain scan. 医生给他做了脑部超声波扫描检查。
- Keywords N-ethyl-m-toluidine;N-alkylation;diethyl sulfate;organic synthesis; 乙基间甲苯胺;N-烷基化;硫酸二乙酯;有机合成;
- Barium sulfate is a radiopaque substance. 钡硫酸盐是一种辐射光不能穿透的物质。
- What color is copper sulfate solution? 硫酸铜溶液是什么颜色？
- The Comparison of Ultraviolet Radiation and Diethyl Sulfate Mutagenesis on the Nitrification of Nitrosomonas 紫外线和硫酸二乙酯诱变五株亚硝化单胞菌的硝化活力比较
- and for nitroethane there were nitroficating low carbon alkane, chloroethane, and diethyl sulfate; 1硝基丙烷采用丙烷和丙烯硝化法;
- and for nitroethane there were nitroficating low-carbon alkane, chloroethane, and diethyl sulfate; 硝基乙烷有低碳烷烃、氯乙烷和硫酸二乙酯硝化法；
- Set up an ultrasonic wire bonding laboratory. 成立超声波电子焊接实验室.
- The effect of diethyl sulfate and ultra violet fight as mutagenic agents on culture selection of Streptomyces aureofaciens 硫酸二乙酯和紫外线对金霉素链霉菌的诱变育种
- The acoustics of ultrasonic sound. 超音频声音的音响学
- Keywords water soluble;imidazolinylquaternary-ammonium-salt;corrosion inhibitor;synthesis;naphthenic acid;diethylenetriamine;diethyl sulfate; 水溶性;咪唑啉季铵盐;缓蚀剂;合成;环烷酸;二乙烯三胺;硫酸二乙酯;
- Rinse with warm water in an ultrasonic bath. 在超声波池内进行温水冲洗。
