结果表明：不同碳源对菌株产毒性影响显著。
The results showed that different carbon sources could affect the isolate toxigenicity significantly.
炎症性肠病是否与螺旋杆菌及肠产毒性脆弱拟杆菌感染有关?。
Are Helicobacter species and enterotoxigenic Bacteroides fragilis involved in inflammatory bowel disease?
研究利用免疫组织化学方法对产毒性大肠杆菌（ETEC）感染豚鼠小肠组织中ETEC肠毒素的定位进行了研究。
Using immunohistochemical method, distribution of enterotoxins of enterotoxigenic Escherichia coli( ETEC) in small intestine of the guinea pig infected with ETEC.
产志贺毒素大肠杆菌(STEC)或肠出血性大肠杆菌(EHEC)是一种毒性严重的大肠杆菌菌株，常见于动物、主要是反刍动物的肠道内。
Shigatoxin-producing E. coli (STEC) or enterohaemorrhagic E. coli (EHEC) is a severe strain of E. coli bacterium that is commonly found in the gut of animals, mainly ruminants.
本发 明具有材料产烟毒性小，安全性高，且抗弯承载力好的优点。
The invention has the advantages of less smoke toxicity, high security and great anti-bending bearing capacity.
作者采用管饲法观测了产宝口服液对小白鼠的急、慢性毒性。
Acute and chronic toxic tests in white mice were made by feeding Chanbao liquid medicine.
福建产圆斑蝰蛇毒毒性磷酯酶A_2分子由18种氨基酸的124个残基组成，由此计算它们的分子量为13，883。
The toxic phospholipase A of Vipera russelli siamensis venom is composed of 124 residues from 18 kinds of amino acids and lias a molecular weight of 13,883 daltons.
减少火灾烟气毒性危害最基础的工作离不开材料产烟毒性评价，然而试验方法的标准化工作进展缓慢。
The assessment of the fire effluent of the materials is the basic research item to reduce the toxicity to human beings, however, the standardization of the test method has got a very slow progress.
本实用新型具有材料产烟毒性小，安全性高，且抗弯承载力好的优点。
The fireproof sandwich color steel plate has the advantages of mild toxicity of smoke caused by materials, high safety and good anti-bending bearing capacity.
结果：优化后的制备工艺成本低，毒性小，后处理方便，提高了产率。
Results: The technics was successfully improved due to its low cost, small toxicity, convenient disposition and high yield.
结果表明：（1）河豚鱼的卵巢、肝脏、肠道中存在可产生TTX的细菌与放线菌，河豚鱼不同组织毒性的差异与其中产TTX菌株的产毒能力有关；
Our results demonstrated that (1) the distribution of TTX-producing strains and the bacterial production of TTX is close related with the toxicity of each tissue in puffer fish;
目的：观察大鼠长期给予产复康冲剂是否产生毒性反应。
Objective: to investigate whether administering of Chanfukang granule to rats has toxicity.
目的：观察大鼠长期给予产复康冲剂是否产生毒性反应。
Objective: to investigate whether administering of Chanfukang granule to rats has toxicity.
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