生物降解作用
- 名biodegradation
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结果表明:吸附与生物降解作用是影响硝基苯在含水层中迁移转化的主要因素。
The experimental result indicated that adsorption and biodegradation actions are the main effecting factors in this study .
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通过凝聚、细胞裂解和生物降解作用能有效去除鱼腥藻细胞。
It can effectively remove Anabaena by coagulation , cell lysis and biodegradation .
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生物降解作用下地下水中TCE、PCE迁移转化的数值模拟研究
Modeling of transformation and transportation of PCE and TCE by biodegradation in shallow groundwater
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指出TCE污染物的生物降解作用是存在的,但是不完全。
It appears that the biodegradation of TCE contaminant exists , but it is incomplete .
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土柱实验结果表明:苯胺在RBF中主要通过吸附作用和生物降解作用去除,而真正去除苯胺的作用是生物降解。
The results showed the biogeochemistry reactions of aniline in soil column were absorption and biodegradation , in which the biodegradation is major action in removing aniline actually .
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TCE的物理化学特性及其生物降解作用&某碳酸盐岩含水层中地下水有机物污染及其去除研究之一
Study of Groundwater Contamination in a Carbonate Aquifer and Remediation 1 . Physico Chemical Behavior of TCE and Biodegradation
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由(DDE+DDD)/DDT比值分析发现,生物体内的DDT主要来源于已往输入的污染物,且在生物体内发生了生物降解作用。
According to the ratio of ( DDE + DDD ) / DDT , the DDT in the organisms mainly came from the agricultural pollution , and degraded organisms .
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结果表明:长期接触含氯苯有机废水的EGSB反应器内的颗粒污泥对氯苯具有较强吸附作用,生物降解作用不明显;
The results showed that : the anaerobic granular sludge which treated the wastewater containing chlorobenzene could adsorb chlorobenzene ;
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SVE主要使易挥发有机物得到去除,同时也伴随生物降解作用。
Volatile organic compounds were mostly removed during the process of BV , which also accompanied by biodegradation .
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NP的迁出与去除途径包括:初沉池生污泥和二沉池活性污泥的吸附作用,曝气池内的生物降解作用以及随处理出水的排放。
The NP transference ways and removal routes from wastewater treatment system include the adsorption by the primary sedimentation sludge and the activated sludge of secondary sedimentation tank , the biodegradation in aerated tank , and the discharge with the effluent .
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白腐菌对难降解污染物的生物降解作用已引起世界范围内的普遍关注,它可通过其分泌的特殊的降解酶系或其他机制将各种难降解的有机污染物彻底降解为CO2和H2O。
Biodegradation of the refractory organic pollutants by white rot fungi has been widely studied . The results demonstrate that series of special enzymes secreted by white rot fungi or other methods related to the fungi can degrade such pollutants to CO_2 and H_2O .
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另一方面,S-8和S-11样品中正构烷烃不同程度的缺失表明有机质遭受了较为强烈的的生物降解作用。
Also , the lack of normal alkanes on the chromatograms of S-8 and S-11 is a clearly signature of severe biodegradation .
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生物降解作用对储层抽提物中多甲基取代萘分布的影响
Biodegradation Effect on Distributions of Multiple Methylated Naphthalenes in Reservoir Extracts
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生物降解作用对原油中烷基菲分布的影响
The Effect of Biodegradation on Alkylated Phenanthrene Distributions in Reservoired Oils
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考虑填埋场沉降和生物降解作用下的孔隙度仿真预测研究
Numerical prediction of settlement and biodegradation effect on porosity within landfill
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克拉玛依原油的生物降解作用
Effects of biodegradation on crude oils from Karamay Oilfield
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生物降解作用与辽河稠油的形成
Biodegradation of crude oil and origin of " thick oil " in Liaohe Depression
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在这4种染料的脱色过程中,除了生物降解作用外,生物吸附也起着重要的作用。
In addition to biodegradation , biosorption also played an important role in the decolorization process .
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严重的生物降解作用可破坏原油的正常甾烷,并使正常藿烷向25-降藿烷转化。
Diasteranes and25-norhopanes survive heavy biodegradation and they can be used as source fingerprints for biodegraded crudes .
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吸附作用和生物降解作用是影响场地污染物自然衰减的较为重要的原因。
Sorption and biodegradation were the more important reason forthe natural attenuation , which impact of site contaminants .
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土壤有机碳的降解包括生物降解作用和物理化学降解作用等,生物降解作用是主要的过程。
Soil organic carbon decomposition includes bio-process and physico-chemical process , and the bio-process is the dominant one .
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结果表明:蜡状芽孢杆菌和短短芽孢杆菌只对原油中高碳链的饱和烷烃具有生物降解作用;
The laboratory result indicates that HP and HT can only degrade saturated hydrocarbons with high carbon chain .
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生物降解作用是地下水系统有机污染物自然衰减过程中最重要的破坏性衰减机制。
Biodegradation is the most important devastating mechanism in the process of natural attenuation of organic contamination in groundwater .
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砂柱渗滤系统中苯胺生物降解作用较微弱,苯胺的去除率为50%,以好氧生物降解为主。
In sand column filtration system , aniline biodegradation is very feeble ; the removal rate of aniline is only 50 percent .
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本文论述了需氧有机物的生物降解作用以及与溶解氧平衡的关系,从而为污水治理提供理论依据。
Bio-degradation role of aerobiotic organic substance and relationships between biological degradation and dissolved oxygen were stated , which provided theoretical basis for waste water reatment .
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同时分析了原始母质及其沉积环境、有机成熟度和生物降解作用对原油酸值的影响。
And also the effect of the original source material and its depositional environment , the organic maturity and the biodegradation on the acid value of the crud oil .
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部分天然气遭受了次生变化,烃类碳同位素值偏重、重烃碳同位素值倒转均与细菌的生物降解作用有关。
Some natural gas has experienced secondary change , and the relatively heavy carbon isotope of hydrocarbons and the inverse carbon isotope of heavy hydrocarbons are the results of biodegradation .
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分析表明,原油成熟度对咔唑类化合物含量及相对组分影响明显,源岩沉积环境对其也有一定的影响,而生物降解作用对咔唑类化合物含量及相对组分影响很小。
The results indicate the maturity plays an important role on the concentration of carbazole compounds and its relative contents , and the biodegradation plays weak role on the carbazole compounds .
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第二类稠油主要因底水活跃,生物降解作用强烈而形成,具有高密度、高粘度、高含硫和低凝固点特点。
The second kind of heavy oil , resulted from active bottom water and biodegradation , is characterized by high density , high viscosity , high content of sulphur and low solidifying point .
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因此,为了提高土壤生态系统对原油污染物的生物降解作用,本研究探讨了原油污染对土壤中细菌种群和土壤性质的影响。
Therefore , the study was designed to enhance crude oil biodegradation in the soil ecosystem , and to ascertain the effect of oil pollution on bacterial population and physicochemical properties of the soil .