查询词典 bacterium

In shallow well water disinfections effective 4～5％ chlorineout of mother liquor of chloro-trisodium phosphate is used,30 minutes later chlorine reach 0.6 to 0.8 mg per liter (0.6～0.8 ppm),this water reach the national sanitary standed of drinking water mother liquor of chloro-trisodium phosphate can be best described as nonpoisonous,no remainer,quick and kill bacterium with wide-range,no corrosion and fine stability,safe,reliable new bactericide.

在浅井水消毒中，用有效氯为4.0—5.0％的氯化磷酸三钠母液投放，有效氯达到0.6—0.8mg/升(0.6ppm—O.8ppm)作用30钟后，该水可完全达到国家饮用水卫生标准。氯化磷酸三钠母液是一种无毒、无残留、速效广谱杀菌，无腐蚀性、稳定性好、安全可靠的新型杀菌剂。

Resultantly, we have not made quiet great progress in theory, exploiting local bacterium and developing MEOR simulation software, though we bore fruit in laboratorial studies and field tests in the past. Therefore, the urgent affairs are setting up database of local bacterial category and carry through the numerical simulation of MEOR.

所以，尽管我国在微生物驱油的室内研究和矿场实验上取得了可喜的成果，但在理论研究和本地菌种开发等方面仍然有所不足，且至今没有属于自己的微生物采油模拟软件。

Adopt optimized transformation system of the melon cultivar: the explant infected in the engineering bacterium the OD560 of which was 0.30 for 15min, and co-cultured for 3days; Choosing cultivated in MS +1mg/L 6 - BA + 500mg/L carb + 75mg/L Kan, extend cultivated in MS +0.05mg/L 6 - BA + 300mg/L carb + 75mg/L Kan and rhizogenic cultivated in 1/2MS + 200mg/L cef + 25mg/L Kan.

对甜瓜栽培品种的转化采用已优化好的转化体系：农杆菌菌液OD560=0.3，侵染时间为15min，外植体选用近轴端子叶；共培养时间为72h。

In order to study species resource from ruminal fluid, one strain of methionine-degrading bacterium MB6-1 was isolated and purified. 16 S rRNA encoding gene (16 S rDN4) from MB6-1 was amplified by PCR, and its nucleotide sequence was determined.

为分析研究山羊瘤胃液中甲硫氨酸降解菌群的物种资源，对经分离纯化获得的一株甲硫氨酸降解菌MB6-1，采用PCR方法扩增其16 S rDNA基因，并测定其基因的核苷酸全序列。

In order to study species resource from ruminal fluid, one strain of methionine- degrading bacterium MB6-1 was isolated and purified. 16 S rRNA encoding gene (16 S rDNA) from MB6-1 was amplified by PCR, and its nucleotide sequence was determined.

摘 要：为研究山羊瘤胃液中甲硫氨酸降解菌群的物种资源，对经分离纯化获得的一株甲硫氨酸降解菌MB6-1，采用PCR方法扩增其16 S rDNA基因，并测定其基因的核苷酸全序列。

According to the investigation about microorganism content of the air in different season and area, it was shown that the quantity of the air microorganism content including bacterium, mould and saccharomycetes was much higher in summer than it in the other three seasons.

通过对衡水湖不同季节、不同区域空气中微生物含量的调查。结果显示夏季衡水湖空气中微生物如细菌、霉菌、酵母菌数量明显高于秋季、春季、冬季。

From the antibacterial activity, the bacterium on antibacterial activity, the second strongest net profit for the sclerotia and agriculture of antibacterial activity.

从抑菌活性上，菌脱的抑菌活性最强，其次为菌核净和农利灵的抑菌活性。

In this paper,functions of key enzymes in the biosynthesis pathway of shikimic acid were analyzed,and the breeding of engineering bacterium by genetic improvements for high yield of shikimic acid was also discussed.

简述了莽草酸生物合成的途径，着重从基因工程角度分析了莽草酸合成过程中的关键酶及其对莽草酸产量的影响，旨在为研究和开发微生物工程菌生产莽草酸提供参考。

Shikimic acid Biosynthesis pathway Genetic improvement Genetically engineering bacterium

莽草酸；生物合成途径；遗传改造；工程菌

Bacterial wilt, caused by Ralstonia solanacearum, is a devastating soil-borne vascular disease of solanaceous crops worldwide. However, information on the defense mechanisms of Solanaceae against this bacterium is limited.

由Ralstonia solanacearum引起的茄科作物青枯病是一具全球重要性的土壤传播性维管束病害，然而茄科作物对青枯病菌防御机制的研究及资料却尚阙如。

The receding calculations and experiment analyses in this subject are built on the blood cast of pig tongue.

本研究课题的前期工作是采用猪舌血管铸型模拟人舌而进行的数值计算与实验分析。

"Each human infection constitutes an opportunity for genetic modification of the virus through reassortment, mutation, or both...."

&每一次人类的感染都暗藏着一次基因修改的机会，无论是通过病毒的整合、突变或者兼而有之。。。。&