This experiment filtrates the benzyl penicillin strain with high yield by mutagenesis the benzyl penicillin strain No. 232 which available and used for the manufacture.

  • 本试验通过用化学诱变剂对现有青霉素生产菌株232~进行诱变育种,筛选高产菌株。
  • 来源:互联网更新时间:2024-03-22 03:49:32

  • 相关例句
1、

Treatment with benzyl-penicillin are effective. Mutagenesis breeding of benzyl penicillin strain

青霉素治疗有效,未发现不良反应。青霉素产生菌的诱变育种

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2、

Benzyl penicillin potassium and other twenty-four antibiotic drugs were recognized using neural networks.

运用神经网络识别青霉素钾等24种抗生素药物的红外光谱。

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3、

This paper described the mechanisms of synthesis of benzyl acetate by tetranbutylammonium bromide in the presence of phase transfer catalyst, and such factors as temperature, time are also discussed.

该文描述了相转移催化剂存在时合成醋酸苄酯的机理,对反应温度、反应时间等因素也进行了讨论。

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4、

Benzyl Triphenyl Phosphonium Bromide;

苄基三苯基溴化磷;

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6、

The reaction of tosylate or benzyl bromide containing stopper with 4,4 ′-bipyridine was carried out under solvent-free.

通过固相熔融的方法,使4,4′-联吡啶与磺酸酯或苄溴进行反应。

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7、

Penicillin G potassium salt(ⅰ) was reacted with p-nitro benzyl bromide to produce the 4-nitrobenzyl ester of penicillin G acid(ⅱ).

以青霉素G钾盐Ⅰ为原料,与对硝基溴化苄反应生成青霉素G的对硝基苄酯Ⅱ。

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8、

Benzoyl cyanide was synthesized by the reaction of sodium cyanide with benzoyl chloride in a polar compounds as a catalyst with the yield of 72%.

在催化剂存在下,以固体氰化钠和苯甲酰氯为原料合成苯甲酰氰,研究了反应条件对收率的影响。优化条件下收率达72%(以苯甲酰氯计)。

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9、

The chloro group on benzene was shown to lower the biodegradability. STUDY ON THE THERMOKINETICS FOR NUCLEOPHILIC SUBSTITUTION REACTIONS OF BENZOYL CHLORIDE

苯环上氯取代会降低化合物的生物可降解性苯甲酰氯亲核取代反应的热动力学研究

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10、

The reaction of benzotrichloride and chloroacetic acid to form chloroacetyl chloride and benzoyl chloride in the presence of catalyst was studied.

研究了三氯甲苯和氯乙酸在催化剂存在下反应生成氯乙酰氯和苯甲酰氯的工艺条件。

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11、

The title compound has been prepared from the reaction of fluorescein and benzoyl chloride. Its crystal and molecular structure is determined by single crystal X-ray diffraction.

以荧光素和苯甲酰氯为原料制备了荧光素二苯甲酰酯,并用X射线单晶衍射法测定了晶体和分子结构。

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12、

It is based on phenol benzoate which is made from benzoyl chloride and phenol through rearrangement and etherification.

它主要由苯甲酰氯和苯酚制备苯甲酸苯酯,然后重排、醚化所得。

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13、

METHODS The intermediate 1 was synthesized via the friedel-crafts reaction between chlorobenzene and benzoyl chloride.

方法以氯苯和苯甲酰氯为原料,进行傅克酰化反应,合成出第一个反应中间体;

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14、

In this paper the synthetic methods and properties of benzoyl chloride are introduced, and its downstream products and its application are stated.

叙述了苯甲酰氯的性质、合成工艺路线、实验室和工业制法,产品规格及其分析方法。并对其深加工产品及其应用进行了概述。

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15、

Study on the thermokinetics for nucleophilic substitution reactions of benzoyl chloride

苯甲酰氯亲核取代反应的热动力学研究

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16、

In this dissertation, several aryl-acylhydrazones were synthesized, by the reaction of benzoyl hydrazine, 2-hydroxy benzoyl hydrazine or 4-hydroxy benzoyl hydrazine with naringenin or 8-acetyl-7-hydroxy-4-methyl coumarin, separately.

本论文中,主要通过苯甲酰肼、邻羟基苯甲酰肼、对羟基苯甲酰肼与柚皮素或4-甲基-7-羟基-8-乙酰基香豆素反应,合成了一些芳酰腙类有机配体。

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17、

Adiabatic stability analysis of benzoyl hydrazine and p-Nitro phenyl hydrazine

苯甲酰肼与对硝基苯肼的热稳定性分析

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18、

STUDIES ON PHOSPHORUS SUBSTITUTED UREA COMPOUNDS(ⅰ)& Syntheses and Properties of N ′-benzoyl thiophosphoryl urea

脲系磷化合物的研究(Ⅰ)&具有对称磷结构的烷氧基-N′-苯甲酰基硫代磷酰脲的合成和性质

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19、

The structures, synthetic methods, insectical mechanism, degradation, together with environmental safety of benzoyl urea chitin synthesis inhibitors were reviewed in this paper.

对苯甲酰基脲类几丁质合成抑制剂的结构、合成方法、作用机制、代谢及环境安全性等进行了评述。

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20、

Recent Development of Benzoyl Urea Chitin Synthesis Inhibitors

苯甲酰脲类几丁质合成抑制剂的研究进展

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