硫酸二乙酯,DES,音标,读音,翻译,英文例句,英语词典

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1) DES [英]['di:'i:'es] [美]['di'i'ɛs] 点击朗读

硫酸二乙酯

Breeding of A High-ethanol-yield Saccharomyces cerevisiae Strain by UV-DES Composite Mutation;

紫外-硫酸二乙酯复合诱变选育酒精高产菌株

Methods: Kluyveromyces marxianus,as an original strain,was treated by ultraviolet mutation as well as complex mutation of diethyl sulfate(DES) andnitrosoguanidine(NTG)to obtain plenty of mutant strains.

方法:以马克斯克鲁维酵母为出发菌株,经过紫外线诱变及硫酸二乙酯、亚硝基胍复合诱变,从大量突变株中进行筛选。

Carring on chemistry mutagenic to the this strain, Obtaining lethality curve that had induced mutation by diethyl sulfate (DES).

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%。

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2) diethyl sulfate 点击朗读

硫酸二乙酯

Ethyl bromide and diethyl sulfate were used as etherization reagents,respectively. 点击朗读

以对羟基苯乙酸为原料,分别采用溴乙烷和硫酸二乙酯为醚化试剂,经Williamson醚化合成了对乙氧基苯乙酸。

An Oil-soluble imidazolinyl intermediate was prepared from naphthenic acid[acid value (KOH)=190 mg/g]and polyethylene polyamine firstly,and then it was water solubilised by reaction with diethyl sulfate into imidazolinylquaternary-ammonium-salt,which is a corrosion inhibitor.

以酸值(KOH)为190 mg/g的环烷酸为原料与多亚乙基多胺反应合成了环烷基咪唑啉中间体,再用硫酸二乙酯对该中间体进行季铵化,制得了水溶性的环烷基咪唑啉季铵盐缓蚀剂。

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)。

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3) diethylsulfate 点击朗读

硫酸二乙酯

A transketolase-defective Bacillus subtilis strains HG02 was treated with diethylsulfate (DES) to obtain D-ribose producing strain.

研究了以硫酸二乙酯(DES)为诱变剂,诱变生产D-核糖的转酮醇酶缺陷型枯草芽孢杆菌HG02,考察了不同诱变剂用量对菌体致死率及其生产能力的影响。

Half death concentration of diethylsulfate (DES) treatment for mutant inducement is 0. 点击朗读

烟草花药培养获得单倍体植株 ,进而诱导产生单倍体愈伤组织 ,用硫酸二乙酯 (DES)进行诱变处理 ,其半致死浓度为 0 。

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4) diethyl sulfate(DES) 点击朗读

硫酸二乙酯(DES)

5) diethyl thiophosphate 点击朗读

硫代磷酸二乙酯

The hydrolysis of diethyl thiophosphate, which exists as one of the most important persistent substances, in organophosphorus pesticide waste water from manufacturing process, was investigated under the nitrogen atmosphere in a 2L autoclave.

在二升高压釜中,氮气氛条件下研究了有机磷农药废水的主要污染物质——硫代磷酸二乙酯(浓度为100ppm)的水解动力学。

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6) DES mutagenesis 点击朗读

硫酸二乙酯诱变

例句>>

补充资料：硫酸二乙酯

(C₂H₅O)₂SO₂
分子量 154.18
CAS号 64-67-5
    无色油状液体, 熔点-25.0℃,沸点208℃，相对密度（20℃）1.177,折射率1.400,闪点104.44℃(闭杯),自燃点436℃。具薄荷味。久置变色。能与醇、醚相混容，不溶于水。在热水中迅速分解成醇和硫酸乙酯。
    明火、高热可燃; 高热放出有毒气体; 与水、氧化剂反应;该品吞入有害。吸入或与皮肤接触时有毒害。口服大鼠 LD₅₀ 880 毫克/ 公斤; 口服小鼠 LD₅₀ 647 毫克/ 公斤，怀疑可能致癌，万一入眼应立即用大量水冲洗后请医生诊治。大量使用应戴适当的手套。
    库房通风低温干燥; 与氧化剂、硝酸、食品添加剂分开存放。

说明：补充资料仅用于学习参考，请勿用于其它任何用途。

参考词条

O-二乙基二硫代磷酸酯丙二酸二(乙硫醇)酯二硫代磷酸二乙酯硫代二乙醇酸二甲酯萜烯二硫代羧酸乙酯 O-二乙基硫代磷酸酯超声波-硫酸二乙酯四乙基二硫代焦磷酸酯

亚硫酸乙二醇酯乙二醇亚硫酸酯硫酸乙酯二乙基二硫代磷酸酯

说明：双击或选中下面任意单词，将显示该词的音标、读音、翻译等；选中中文或多个词，将显示翻译。
	您的位置：首页 -> 词典 -> 硫酸二乙酯 1) DES [英]['di:'i:'es] [美]['di'i'ɛs] 硫酸二乙酯 1. Breeding of A High-ethanol-yield Saccharomyces cerevisiae Strain by UV-DES Composite Mutation; 紫外-硫酸二乙酯复合诱变选育酒精高产菌株 2. Methods: Kluyveromyces marxianus,as an original strain,was treated by ultraviolet mutation as well as complex mutation of diethyl sulfate(DES) andnitrosoguanidine(NTG)to obtain plenty of mutant strains. 方法:以马克斯克鲁维酵母为出发菌株,经过紫外线诱变及硫酸二乙酯、亚硝基胍复合诱变,从大量突变株中进行筛选。 3. Carring on chemistry mutagenic to the this strain, Obtaining lethality curve that had induced mutation by diethyl sulfate (DES). 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%。更多例句>> 2) diethyl sulfate 硫酸二乙酯 1. Ethyl bromide and diethyl sulfate were used as etherization reagents,respectively. 以对羟基苯乙酸为原料,分别采用溴乙烷和硫酸二乙酯为醚化试剂,经Williamson醚化合成了对乙氧基苯乙酸。 2. An Oil-soluble imidazolinyl intermediate was prepared from naphthenic acid[acid value (KOH)=190 mg/g]and polyethylene polyamine firstly,and then it was water solubilised by reaction with diethyl sulfate into imidazolinylquaternary-ammonium-salt,which is a corrosion inhibitor. 以酸值(KOH)为190 mg/g的环烷酸为原料与多亚乙基多胺反应合成了环烷基咪唑啉中间体,再用硫酸二乙酯对该中间体进行季铵化,制得了水溶性的环烷基咪唑啉季铵盐缓蚀剂。 3. 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)。更多例句>> 3) diethylsulfate 硫酸二乙酯 1. A transketolase-defective Bacillus subtilis strains HG02 was treated with diethylsulfate (DES) to obtain D-ribose producing strain. 研究了以硫酸二乙酯(DES)为诱变剂,诱变生产D-核糖的转酮醇酶缺陷型枯草芽孢杆菌HG02,考察了不同诱变剂用量对菌体致死率及其生产能力的影响。 2. Half death concentration of diethylsulfate (DES) treatment for mutant inducement is 0. 烟草花药培养获得单倍体植株 ,进而诱导产生单倍体愈伤组织 ,用硫酸二乙酯 (DES)进行诱变处理 ,其半致死浓度为 0 。更多例句>> 4) diethyl sulfate(DES) 硫酸二乙酯(DES) 5) diethyl thiophosphate 硫代磷酸二乙酯 1. The hydrolysis of diethyl thiophosphate, which exists as one of the most important persistent substances, in organophosphorus pesticide waste water from manufacturing process, was investigated under the nitrogen atmosphere in a 2L autoclave. 在二升高压釜中,氮气氛条件下研究了有机磷农药废水的主要污染物质——硫代磷酸二乙酯(浓度为100ppm)的水解动力学。更多例句>> 6) DES mutagenesis 硫酸二乙酯诱变例句>> 补充资料：硫酸二乙酯 (C₂H₅O)₂SO₂ 分子量 154.18 CAS号 64-67-5 无色油状液体, 熔点-25.0℃,沸点208℃，相对密度（20℃）1.177,折射率1.400,闪点104.44℃(闭杯),自燃点436℃。具薄荷味。久置变色。能与醇、醚相混容，不溶于水。在热水中迅速分解成醇和硫酸乙酯。明火、高热可燃; 高热放出有毒气体; 与水、氧化剂反应;该品吞入有害。吸入或与皮肤接触时有毒害。口服大鼠 LD₅₀ 880 毫克/ 公斤; 口服小鼠 LD₅₀ 647 毫克/ 公斤，怀疑可能致癌，万一入眼应立即用大量水冲洗后请医生诊治。大量使用应戴适当的手套。库房通风低温干燥; 与氧化剂、硝酸、食品添加剂分开存放。说明：补充资料仅用于学习参考，请勿用于其它任何用途。参考词条 O-二乙基二硫代磷酸酯丙二酸二(乙硫醇)酯二硫代磷酸二乙酯硫代二乙醇酸二甲酯萜烯二硫代羧酸乙酯 O-二乙基硫代磷酸酯超声波-硫酸二乙酯四乙基二硫代焦磷酸酯

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