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rate of biodegradation
相关语句
  生物降解速度
     Studies on the Factors of Affecting the Rate of Biodegradation of Plastic Materials
     影响塑料生物降解速度因素的研究
短句来源
     In this paper, the factors of affecting the rate of biodegradation of plastic materials were studied, and the conditions of enhancing the rate of biodegradation were discussed.
     本文对影响塑料生物降解速度的因素进行了研究和讨论,探讨在进行塑料生物降解性试验时提高降解速度、缩短试验时间的可能性。
短句来源
     The results showed that the biodegradation in liquid was obvious than that in solid. The C/N ratio, temperature and pH value had quite a little effect on the rate of biodegradation.
     结果表明,在液体中对塑料进行生物降解性试验优于在固体中的试验:碳氮比(C/N)、温度和pH值等对塑料生物降解速度的影响较大;
短句来源
  “rate of biodegradation”译为未确定词的双语例句
     When the concentration of COD_(Cr) was 1800~4000mg/L, the rate of biodegradation was 45%, and the removal rate of COD_(Cr) 43.46~49.26%.
     试验中当废水COD_(Cr)浓度为1800~4000mg/L时,生物降解率达45%,COD_(Cr)去除率达43.46~49.26%。
短句来源
     The turbidity of O-20s' was more obviously than that of O-20s and the rate of biodegradation rate of O-20s' was the fastest, the O-20s was the second and the O-9s was the third.
     降解速率为:水解后的O-20缩甲醛降解最快,未经水解的O-20缩甲醛的降解速率次之,O-9缩甲醛降解最慢。
短句来源
     The strain 4 # which was degrading bacteria degraded aniline with the rate of biodegradation of 96 1%.
     4#为降解菌,对苯胺的降解率为961%。
短句来源
     The rate of biodegradation can reach a maximum of 50g/(m3.h) and The rate of wiping off the tolual over 90%.
     甲苯的生物降解速率最大可达50g/(m~3.h),甲苯的去除率在90%以上。
短句来源
     The rate of biodegradation and inhibition caused to microorganisms over substrate removal by dyes were investigated in anaerobic batch reactors.
     在厌氧间歇反应器(anaerobic batch reactors)中研究了染料的生物降解特性以及染料对生物活性的抑制作用。
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  相似匹配句对
     The infection rate of AM.
     老感染区细胞间的菌丝顶端也可见泡囊形成。
短句来源
     The developmental rate of D.
     在盐度一定时,的发育速率随温度升高而加快;
短句来源
     The retention rate
     截留率随溶液pH值的升高而升高,能达到99%以上。
短句来源
     inhibitory rate;
     抑制率;
短句来源
     Biodegradation of plastics
     塑料生物分解的研究进展
短句来源
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  rate of biodegradation
The influence of the nature of the medium and the standardized procedures on the final rate of biodegradation was investigated.
      
Enzymatic and soil burial tests were performed; the presence of these inorganic materials in cross-linked PBS accelerates the rate of biodegradation.
      
The rate of biodegradation varies according to the degree of dicarboxylation.
      
Although the rate of biodegradation and tissue reaction towards the test materials appeared to be relatively unaffected by ethylene oxide, the rate of breakdown in the lumbar muscles of laboratory rats was considerably increased by irradiation.
      
In the composting simulation test the rate of biodegradation is reduced for composites with more than 10% of straw content.
      
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Nitrobenzene and river water sample collected from the Saokou section of the Second Songhua River were selected as the substrate and the source of microorganism respectively. The effects of initial concentrations of nitrobenzene, acclimating conditions and temperature on the rate of biodegradation were studied. Results showed that the process of biodegradation of nitrobenzene (53.5-535 μg/l) in river water can be described by a logarithmic equation as follows. S=S0 +X0 (1-enmt),and the parameter...

Nitrobenzene and river water sample collected from the Saokou section of the Second Songhua River were selected as the substrate and the source of microorganism respectively. The effects of initial concentrations of nitrobenzene, acclimating conditions and temperature on the rate of biodegradation were studied. Results showed that the process of biodegradation of nitrobenzene (53.5-535 μg/l) in river water can be described by a logarithmic equation as follows. S=S0 +X0 (1-enmt),and the parameter μm is uneffected by the initial concentrations of substrate but effected considerably by temperature and acclimating conditions. The biodegradation reaction of nitrobenzene was inhibited by the co-existing aromatic nitro-compounds and chlorobenzenes but promoted by acetone. In the presence of acetone, the biodegradation rate of nitrobenzene was shown to fit the equation of first order kinetics.

以第二松花江哨口断面江水为微生物源,对硝基苯的生物降解动力学进行研究。结果表明,硝基苯在江水中的生物降解过程可由对数方程S=S_0+X_0(1—e~(μmt))描述;丙酮作标准液溶剂时,硝基苯的生物降解速率符合一级动力学方程;由此得到硝基苯生物降解动力学参数,即微生物最大比增长速率μm和一级速率常数K。硝基苯的初始浓度(53.5—535μg/L)对l'm没有明显的影响,温度、驯化条件对μm的影响显著,硝基芳烃、氯苯类化合物对硝基苯的降解有抑制作用。

Methoxy phenyl Acetate which was screened from study on the relationship between the chemical structure of 1-(3, 4-dichlorophenyl)-2, 2, 2-triehloroethyl acetate analogues and insecticidal activities is a new type of insecticide to mosquito and housefly. The LD_(50) to houseflies (Musea domestica vicina L,) is 0.3 lug/hody. The KT_(50) to mosquitoes (Aedes aegypti L.) is 1.77 min. and 3.22 min. ( Culex pipiens var. pallens) respectively. No effect of this compound on the activities of acetylcholinesterase and...

Methoxy phenyl Acetate which was screened from study on the relationship between the chemical structure of 1-(3, 4-dichlorophenyl)-2, 2, 2-triehloroethyl acetate analogues and insecticidal activities is a new type of insecticide to mosquito and housefly. The LD_(50) to houseflies (Musea domestica vicina L,) is 0.3 lug/hody. The KT_(50) to mosquitoes (Aedes aegypti L.) is 1.77 min. and 3.22 min. ( Culex pipiens var. pallens) respectively. No effect of this compound on the activities of acetylcholinesterase and carboxylesterase releasing from serum has been determinted, the serum used come from mice which was treated with methoxyphenyl acetate ench day stccessively for 20 days. The activity of esterase from serum(enzyme source is same as AchE) and liver tissue were analyzed by SDS-gel electrophoresis, the result showed that there is no inhibition of this compound to esterase activity.Rate of Biodegradation of Methoxyphenyl Acetate was carried out in special apparatus, 5ml of Waymouth's medium or the medium containing the desired chemical (1×10~(-4) mol/L) was introduced into each incubation flask. The same volume of Waymouth's medium containing hepatocytes was then transferred from the maintance flask to the incubation at 37℃, 0.4ml aliquot were removed at intervals and centrifuged (2000 rpm/min.) for 5 sec. A 0.2ml aliquot of supernatant fluid was carefully removed into a tube containing 0.1ml of TCA(10%) and added 2ml of hexane for extraction. The extract was stored at-20℃ until GC analysis. It has been shown that the rate of biodegradation of Methoxyphenyl Acetate was 72.5% and 93% within 45 min. and 90 min. respectively. It seems to be biogradated with ease.

甲氧杀虫酯是在研究三氯杀虫酯类似物的化学结构与生物活性关系中所发现的一种对蚊(淡色库蚊KT_(50)=3.22分,埃及伊蚊KT_(50)=1.77分)、家蝇(LD_(50)=0.31ug/只)药效较好的新品种。经试验,它对连续染毒20天的小白鼠血清的乙酰胆碱酯酶和羧酸酯酶活性无抑制作用。凝胶电泳法证明,其对小白鼠血清和肝组织(包括离体组织)酯酶活性亦无影响。离体鼠肝细胞降解试验表明,45分钟降解72.5%,90分钟可降解93%,这表明该化合物极易生物降解。

The biodegradability of pentaerythritol and the principle ofbiological degradation of pentaerythritol in a biological acidization-SBRseries reactor have been discussed.The rate of biodegradation of pentae-rythritol in A/0 process is much higher than aerobic process of continuousaeration.There is no obstruction on the degradation of organic compounds,such as formaldehyde, whne pentaerythritol's concentration is below 1000mg/L,and pentaerythritol is undetected in the treated water(outlet water)out of the...

The biodegradability of pentaerythritol and the principle ofbiological degradation of pentaerythritol in a biological acidization-SBRseries reactor have been discussed.The rate of biodegradation of pentae-rythritol in A/0 process is much higher than aerobic process of continuousaeration.There is no obstruction on the degradation of organic compounds,such as formaldehyde, whne pentaerythritol's concentration is below 1000mg/L,and pentaerythritol is undetected in the treated water(outlet water)out of the SBR system.

论述了季戊四醇的可生化性,及其在生物酸化-SBR串联反应器中的生物降解原理,季戊四醇在A/O过程中生化降解速度远高于连续曝气的好氧过程,废水中季戊四醇浓度小于1000mg/L时,不妨碍甲醛等有机物的降解,且季戊四醇在SBR出水中不会检出。

 
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