建立了一个点源排出的活性污染物以及其在大气中化学转化形成的次生物扩散方程。
The sets of diffusion equations are presented for reactive pollutant from a time -varied point source and secondary pollutant formed by the transformation.
针对水环境质量的均值污染指数评价方法的缺点,提出了利用活性污染指数法来评价微污染水体环境。
Based on the shortcoming of the method of average pollution index assessment, this paper put forward the method of active pollution index to assess the environment of polluted river water.
这项由200位欧洲专家完成的研究表示,活性氮会导致空气污染,刺激气候变化,并预估将居民的平均寿命缩短六个月。
The study by 200 European experts says reactive nitrogen contributes to air pollution, fuels climate change and is estimated to shorten the life of the average resident by six months.
他们已经发现了两种光活性催化剂,一种用于净化严重污染的水,一种用于净化轻度污染的水。
They have come up with two sorts, one for heavily polluted water and one for water that is only lightly polluted.
这些实验证实肺中的这些活性物质可以激活炎症见于曝露于污染空气小鼠机体的其他地方。
These experiments confirmed that these activities in the lung could trigger inflammation seen throughout the rest of the body in mice exposed to polluted air.
尤为严重的是碱法制浆产生的麦草碱木素由于水溶性和表面活性差而难以在工业上得到广泛应用,从而造成对环境的严重污染。
It is difficult for alkali lignin of wheat straw produced by alkaline pulping to be widely used in industry because of its poor solubility and surface activities.
试验中采用的钝化剂具有对环境污染小、成本低、活性镁损失小等特点。
The passivating agent used in experiment was less pollution to environment, low cost and low loss of active magnesium.
保持空气低速流动会延缓室外污染进入博物馆库房内,如果污染物具有反应活性,其反应活性在缓慢进入库房时已经降低了。
Keeping the air exchange low will retard outdoor pollutants from reaching the collection stored inside the archive, which, if the pollutants are reactive, will much reduce the indoor concentration.
某些空气污染物在光化学反应中变得活性更强,形成有毒的化合物。
Certain air pollutants become more reactive and form noxious compounds in photochemical reactions.
此外,通过污染土壤淹水实验,初步确定土壤中活性X3B红染料具有释放到地表水体中的较大环境风险。
In addition, environmental risk of reactive X 3B red dye release from a soil comparment to a water compartment was primarily determined using the polluted soil inundation method.
本文针对成都市污水输送和污染现状,提出管式活性污泥处理法,并进行了有关模拟试验研究。
According to sewage transmission and its pollution in Chengdu, activated sludge treatment of sewage in pipeline is proposed, and a simulation experiment and study have been carried out.
综合性能评价实验结果表明:活性污泥调剖剂具有较好的热稳定性、抗剪切及抗污染性能。
Entirely performance evaluating experiments show that: surfactant sludge controlling agent has good thermal stability, anti-shearing, anti-pollution.
同时通过对比试验研究了低强度的超声波对膜污染防治作用及其在膜-生物活性炭反应器中对生物过程的强化作用。
And the effects of ultrasonic irradiation at low intensity in BACMR on the enhancement of biological action and membrane pollution control were investigated through parallel experiments.
这为利用高表面活性矿物控制和治理环境污染及其可循环利用提供了理论依据。
That can provide the theoretic grounds for the use of highly surface-activated minerals to control environmental pollution and its recycled utilization.
在复合污染条件下,脲酶活性不仅受到单因素影响,而且存在汞、镉间弱的拮抗作用,但仍以单独效应为主。
Urease activity affected not only by single heavy metal, but also by the interaction between Hg and Cd, the effect is still mainly done by single heavy metal.
目的检测环境污染物四氯化碳的诱变活性,评价其可能的潜在遗传毒性。
Objective To study the genetic toxicity of carbon tetrachloride for male mice and assess the potential genetic toxic effect on mankind.
采用一种类似氧化沟的反应器,其中利用蜂窝陶瓷为载体形成生物膜替代活性污泥,对城市受污染的河道水体进行缺氧生物修复。
Reactor like oxidation ditch was used for anaerobic bioremediation of urban river water, in which biofilm formed on ceramic honeycomb carrier was used instated of activated sludge.
高压脉冲气液混合放电利用气相和液相共同放电产生臭氧、双氧水、羟基自由基等活性物质,提高污染物去除效率和电源能量利用率。
Pulsed high voltage gas-liquid hybrid discharge could combine gas phase and liquid phase discharge to produce plenty of active species, such as ozone, hydrogen peroxide, hydroxyl radical etc.
结果表明,无论镉单独处理还是复合污染处理系列,菠菜抗氧化酶活性。
The results showed that the various of antioxidant enzyme activities of spinach is different in all treatment series.
本文通过阐述重金属污染对土壤生物及土壤酶活性的影响,揭示了重金属污染对土壤生态系统的危害。
This article expounds the effects of pollution of heavy metals on soil organisms and soil enzyme activities, discovers the harm of pollution of heavy metals on soil ecosystem.
目前,三氮烯类试剂的研究和应用已从传统的无机分析领域扩大到生命活性物质、环境污染物分析等方面。
At present, the study and application of the triazene reagents have extended from the domain of traditional inorganic analysis to the life active substance and environment contamination analysis.
球衣菌是一种具有典型鞘结构的丝状细菌,广泛存在于活性污泥以及受污染的水体中。
Sphaerotilus is a kind of filamentous bacterium with typical sheath forming. It occurs mainly in activated sludge and polluted water.
系统评述了表面活性剂增效修复土壤有机污染的原理、研究现状及存在的问题。
The advances in study of surfactant-enhanced remediation for contaminated soils were reviewed. The principles, statues and problems of the technique were presented in detail.
分析了苦瓜水提物对十种常见食品污染微生物的抑菌活性。
The inhibition activities of aqueous extract of Momordica charantia Linn to some food polluted microorganisms were studied.
采用MBR(膜生物反应器)及MBR -PAC (PAC,粉末活性炭)组合工艺处理微污染湖水。
In this experiment membrane bioreactor (MBR) and its hybrid process (MBR-PAC) were used to treat micro-polluted lake water.
教您如何巧用原生态活性炭去除新居装修的甲醇,装修污染和家具的油漆味。下面就一起来看看吧。
Teach you how to use opportunely decorate new original ecological activated carbon removal of methanol, decorate pollution and furniture the smell of paint. Here together and see it.
砷污染土壤活性降低,土壤呼吸强度下降。
Their survival rate declines, the activity and respiratory rate of arsenic-polluted soil decline, too.
为了开发低温环境下微污染水源水净化工艺,本课题通过实验室试验和现场试验,开展了膜-生物活性炭反应器净化微污染水源水的研究。
A biological activated carbon membrane reactor (BACMR) was studied for treating micro-polluted water through lab and spot experiments for a process developing of micro-polluted water treatment.
污染物生物降解的速率和程度与微生物的数量和活性关系密切。
The rate and degree of biodegradation were highly related to the number and activity of bacteria.
污染物生物降解的速率和程度与微生物的数量和活性关系密切。
The rate and degree of biodegradation were highly related to the number and activity of bacteria.
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