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bactericidal toxin
相关语句
  杀菌性毒素
     It is concluded that when the Cr 6+ concentration is less than 30 mg/L, it is physiological toxin, but bactericidal toxin when concentration is more than 110 mg/L.
     当Cr6+质量浓度大于 1 1 0mg/L时 ,是杀菌性毒素以及当Cr6+质量浓度小于 1 0mg/L时 ,其抑制作用发生在反应后期 ;
短句来源
     cyanide 50mg/L, physiological and bactericidal toxin.
     氰化物 5 0mg/L ,生理、杀菌性毒素
短句来源
  “bactericidal toxin”译为未确定词的双语例句
     The tar-containing wastewater belonged to metabolic toxin with its concentration lower than 293 mg/L, physiological toxin with its concentration of 587 mg/L, and bactericidal toxin with its concentration over 879 mg/L.
     在587mg/L时属生理毒性,在879mg/L以上属杀菌毒性。
短句来源
  相似匹配句对
     cyanide 50mg/L, physiological and bactericidal toxin.
     氰化物 5 0mg/L ,生理、杀菌性毒素
短句来源
     2.toxin.
     2疫毒学说;
短句来源
     Phytopathogenic Toxin
     植物病原毒素
短句来源
     Bactericidal curve was draw.
     以活菌计数法绘制杀菌曲线。
短句来源
     Bactericidal (mildewproof) Coating
     杀菌(防霉)涂料
短句来源
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Sulfanilamide products wastewater is very difficult to be treated for its high concentration of toxic organic matter, Cl- and SO42-. The methanogenic toxicity experiments are conducted to determine its toxic mechanism and the feasibility of anaerobic bio-treatment. The results show that sulfanilamide products wastewater belongs to metabolic toxin at lower concentrations while bactericidal toxin at higher concentrations. In addition, methanogenic activity curves with different dilution ratios are obtained,...

Sulfanilamide products wastewater is very difficult to be treated for its high concentration of toxic organic matter, Cl- and SO42-. The methanogenic toxicity experiments are conducted to determine its toxic mechanism and the feasibility of anaerobic bio-treatment. The results show that sulfanilamide products wastewater belongs to metabolic toxin at lower concentrations while bactericidal toxin at higher concentrations. In addition, methanogenic activity curves with different dilution ratios are obtained, which illustrate that the wastewater can be anaerobic bio-treated when the dilution ratios are not greater than 1/7.

磺胺废水因毒性有机物浓度高,酸性极强而成为制药厂废水处理的棘手难题。本文通过产甲烷毒性试验的测定,探讨磺胺废水对产甲烷细菌毒害的机理,确认其毒性在低浓度时属于代谢性毒性,而在高浓度时属于杀菌性毒素。同时获得了一组产甲烷活性随不同稀释比变化的曲线,证明该废水在稀释比不超过 1/7时可以进行厌氧生物处理。

Based on the experiment of the toxicity to the anaerobic sludge methanogens and the recovery of the methanogentic activity, the level of inhibition to methanogens by various Cr 6+ concentrations and the molecule mechanism of inhibition are analyzed. It is concluded that when the Cr 6+ concentration is less than 30 mg/L, it is physiological toxin, but bactericidal toxin when concentration is more than 110 mg/L. The inhibition takes place in anaphase when Cr 6+ concentration is less than...

Based on the experiment of the toxicity to the anaerobic sludge methanogens and the recovery of the methanogentic activity, the level of inhibition to methanogens by various Cr 6+ concentrations and the molecule mechanism of inhibition are analyzed. It is concluded that when the Cr 6+ concentration is less than 30 mg/L, it is physiological toxin, but bactericidal toxin when concentration is more than 110 mg/L. The inhibition takes place in anaphase when Cr 6+ concentration is less than 10 mg/L, and in prophase when Cr 6+ concentration is more than 30 mg/L. Based on the photograph discussion of the anaerobic species and the methanogens morphology under the various Cr 6+ concentrations, it is noted that the Cr 6+ inhibition has no obvious influence on the anaerobic species and the methanogens morphology, but it strongly inhibits the activity of methanogens.

通过对取自ASBR中的厌氧污泥Cr6 +中毒的产甲烷活性恢复试验 ,研究了不同Cr6+质量浓度对产甲烷微生物的抑制程度及抑制作用的分子机理 ,得出结论 :当Cr6+质量浓度小于 30mg/L时 ,是生理毒素 ;当Cr6+质量浓度大于 1 1 0mg/L时 ,是杀菌性毒素以及当Cr6+质量浓度小于 1 0mg/L时 ,其抑制作用发生在反应后期 ;当Cr6+质量浓度大于 30mg/L时 ,其抑制作用发生在反应初期 .通过对不同Cr6+质量浓度下的厌氧微生物群落及产甲烷菌形态的照片分析 ,发现Cr6 +对厌氧微生物群落的组成和厌氧微生物的形态没有影响 ,但是高质量浓度Cr6+强烈抑制了产甲烷菌的活性

At 30℃,a batch anaerobictest was conducted to examine the biodegradability(BD%) of all kinds of high concentration organic effluent (wastewater in acrylonitrile and acrylic fibers production and so on) and toxicity of their main pollutants(acrylonitrile,acetonitrile,polymers and cyanide) on methane formation. The results showed that the BD% of the first and second stages chilled wastewater?in acrylonitrile production and wastewater?in acrylic fibers production were much lower than that of general petroleum...

At 30℃,a batch anaerobictest was conducted to examine the biodegradability(BD%) of all kinds of high concentration organic effluent (wastewater in acrylonitrile and acrylic fibers production and so on) and toxicity of their main pollutants(acrylonitrile,acetonitrile,polymers and cyanide) on methane formation. The results showed that the BD% of the first and second stages chilled wastewater?in acrylonitrile production and wastewater?in acrylic fibers production were much lower than that of general petroleum chemical industrial wastewater.Wastewater's main pollutants had inhibition effect on the activity of methanogenic formation bacteria and the 50% inhibitory concentration of activity(50%IC) and the types of toxin are respectively, acrylonitrile 85mg/L, metabolic and physiological toxin; acetonitrile 320mg/L, metabolic toxin; polymers 1300mg/L, metabolic toxin; cyanide 50mg/L, physiological and bactericidal toxin.

在 30℃条件下 ,模拟厌氧消化反应设备条件 ,测定了丙烯腈、腈纶生产过程废水等各种高浓度有机氰废水的厌氧生物可降解性 (BD % )及废水中丙烯腈、乙腈、聚合物和氰化物这些主要污染物质的产甲烷毒性。结果表明 ,丙烯腈生产一段、二段急冷废水和腈纶生产工艺废水的厌氧生物可降解性能比一般石油化工工业废水的性能差得多。废水中主要污染物对产甲烷活性抑制较强 ,它们对厌氧菌产甲烷活性的 5 0 %抑制浓度 ( 5 0 %IC)及其毒素类型分别为 :丙烯腈 85mg/L ,代谢、生理性毒素 ;乙腈 32 0mg/L ,代谢毒素 ;聚合物 130 0mg/L ,代谢毒素 ;氰化物 5 0mg/L ,生理、杀菌性毒素

 
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