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- Earthworms may produce antibiotic substances. 蚯蚓可以产生抗菌物质。
- Trichoderma spp. could also secret antibiotic substances to make the pathogen hyphal protoplasm break, condense and rupture. 另外，木霉菌还能分泌使病原菌菌丝原生质浓缩、断裂、消解的物质。
- The molecular weight of the antibiotic substance is 48000 Dalton,tested by sephadex-G75 gel column chromatography. 而且用Sephadex－G75凝胶柱层析法测得抗生物质的分子量为48000道尔顿
- antibiotic substances produced by Pseudomonas pyocyanea 绿脓杆菌素
- It produces an antibiotic substance which can obviously inhibit Pyricularia Grisea. To use strain A11 as starting strain, some high yield mutant strains are obtained after UV irradiation, DES treatment and Microwave irradiation. 本研究通过对诺卡氏菌株A11的诱变改良，紫外线(UV)、硫酸二乙酯(DES)、微波(MV)三种诱变处理均提高了对稻瘟病菌的抑制效果。
- Antibiotic can be used against infection. 抗菌素可以用来防止感染。
- Study on the Antibiotic Substances of Philosamia Cynthia ricini Pupae Induced by Micro-Amount of Insecticide and E.coli 微量农药和大肠杆菌诱导蓖麻蚕产生抗菌物质的研究
- A new potent antibiotic will shortly be available. 一种新的高效抗生素不久将在市面销售。
- one of several broad spectrum antibiotic substances obtained from fungi and related to penicillin (trade name Mefoxin); 从与青霉素有关的药物中得来的大光谱抗生素（商标是头霉噻吩甲氧头孢菌素钠）；
- I'll give you some cough medicine and some antibiotic pills. 我给开点咳嗽药和一些抗生素药丸。
- Substances consist of small particles called molecules. 物质是由叫做分子的微粒组成的。
- The act of obtaining usable substances from unusable sources. 废物利用从无用的东西中获取有用物质的行为
- The mixture will resolve into three simple substances. 这种混合物可分解成三种单纯状之。
- Chemicals in the body break our food down into useful substances. 人体中的化学元素把食物分解成有用的物质。
- To this class of substances belong glass and wood. 属于这类物质的有玻璃、木材等。
- antibiotic substances 抗生物质
- The pancreas can produce substances which help in the digestion of food. 胰脏能产生助消化的物质。
- An allergy is an adverse reaction of the body to certain substances. 过敏是身体对某些物质的不良反应。
- A Method for Rapid Screening of Lactobacillus Producing Antibiotic Substance 一种产抑菌活性物质乳酸菌的快速筛选方法
- Alcohol is a solvent of resinous substances. 酒精是树脂性物质的溶媒。
