即便空气污染物的浓度相对偏低，它也与一系列的健康副效应相关。
Even relatively low concentrations of air pollutants have been related to a range of adverse health effects.
所以即使是很小的浓度，我们也可以很容易看见最终的效应，同时做测量。
And so even relatively modest concentrations, it's still easy to see the effect and measure the impact.
由于一个部位细菌聚集地越多，AHL分泌地越多，最终其浓度将升高以达到激发群体效应。
As more bacteria grow in an area, the amount of AHL increases, eventually reaching a concentration high enough to trigger behavioural changes.
灰尘限制了到达地表的太阳辐射数量，举例来说，会减缓因二氧化碳浓度增高而缠身滚的大气温室效应。
Dust limits the amount of solar radiation that reaches the Earth, for example, a factor that could mask the warming effects of increasing atmospheric carbon dioxide.
尽管二氧化硫低浓度效应的因果关系尚不确定，但是，降低二氧化硫浓度很可能减少对混合污染物的暴露。
Although the causality of the effects of low concentrations of SO2 is still uncertain, reducing SO2 concentrations is likely to decrease exposure to co-pollutants.
研究人员还表明，在人类中通过静脉注射也可能可以达到相似的药理学浓度，尽管他们还没在人身上的肿瘤检测这种效应。
The researchers also showed it was possible to achieve similar pharmacologic concentrations intravenously in humans, although they did not test the effect on tumors in humans.
Hansen说，当前大气中的二氧化碳浓度已经高到让我们无法控制温室效应的程度。
Hansen said current carbon levels in the atmosphere were already too high to prevent runaway greenhouse warming.
证明日粮锌与维生素A水平在血清维生素A浓度上存在互作效应。
The results showed that dietary Zn and VA level had mutual effect on VA concentration in serum.
此效应具时间和细胞浓度依赖性。
而且这种芍药醇对动作电位和钠离子通道的效应呈浓度依赖性。
The effects of paeonol on both action potential and Na current were concentration dependent.
本文就混和物浓度、温度以及明矾松香的比例对明矾- 松香胶的尺度效应进行了理论上的研究。
The effect of the mixture concentration, temperature, and ratio of alum to rosin on the rosin-alum size efficiency was studied theoretically.
目的：证实十二烷基硫酸钠（SDS）抗HSV-2的效应，初步确定其有效浓度与安全性。
Objective: To confirm the suppressing effect of sodium dodecyl sulfate (SDS) on HSV-2 including effective concentration and safety.
通过电子探针微区分析和霍尔效应法探测锗杂质及其相关施主和受主浓度的变化。
Electron probe microanalyses and Hall effect were used to measure the variations of Ge dopant and its related donor and acceptor concentrations.
离子对效应随阳离子浓度增加而增大。
The effect of ion pair increases with increasing the concentration of cation.
方法：讨论抗菌药物后效应、时间依赖性和浓度依赖性抗菌药物以及细菌耐药问题与合理使用抗菌药物的关系。
Method: Discuss the relations between the rational use of antimicrobial agents and the post effect, time dependence, concentration dependence, resistent of antimicrobial agents.
研究结果表明：一定范围内，温度、湿度的增加对室内甲醛浓度升高具有协同效应。
The results show: to a certain extent there are coordinated effects between the increase in temperature and humidity and the rise of formaldehyde concentration.
说明嗜水气单胞菌与鲫鱼非特异性免疫功能之间呈现一定的时间效应和浓度依赖性。
These results indicate that the non-specific immunity of crucian carp is a time and density dependent effect.
目的探索低浓度氯乙烯对外周血淋巴细胞DNA损伤效应。
Objective To study effects of low concentration vinyl chloride (VC) on DNA damage in peripheral lymphocytes.
通过对环保营养液在君子兰水培中的应用研究，提出了适度提高“绿孢宝”营养液浓度有促根效应。
The author of the environmental nutrient solution Clivia water culture in the application of observation, made a high concentration of a nutrient solution KEL promote root effect.
提示苦参在一定浓度范围内有选择性抗白血病效应。
The results indicate that an appropriate concentration of SF has a selective antileukemic effect.
聚并苯添加到聚乙烯中可以得到PTC效应，不同聚并苯浓度的复合物得到的PTC强度并不相同。
PAS added to PE can make the composites has the property of effect of PTC, but the intensity of PTC of composites varies with the concentration of PAS.
同样的烧结条件下，钛酸钡陶瓷的PTCR效应随b 2 O 3蒸汽掺杂源的浓度升高而升高。
Given the same sintering condition, doping with higher level of the vapor B2O3 source results in the higher PTCR effect.
内容包括工艺跟踪、浓度跟踪、自寻优、自校正、效应控制等技术以及友好的人机接口。
The technology involves the process control, concentration tracking, self-optimization, self-correction, AE control and a friendly man-computer interface.
方法采用原位肠袢法，设计肠道冲洗实验，测定胰岛素肠道吸收后的降血糖效应和血药浓度。
Methods the intestinal absorption of insulin was evaluated by its hypoglycemic effect and serum insulin level using an in situ loop method with the washing treatment.
通过改变聚合物溶液浓度和岩心渗透率，计算了较宽浓度范围和渗透率范围内的衰竭层效应。
The depleted effects in a wider range of concentration and permeability of polymer solution were calculated with variations of polymer concentration and core permeability.
指出热解气体注入边界层的作用主要是增加热阻塞效应和改变壁面组元浓度。
The main effect of pyrolysis gas on surface behavior which increased heat blockage of boundary layer and varied the concentration of gas species are presented.
温室效应是指随着温室气体浓度升高而使全球气候变暖的机制。
The greenhouse effect. It's the mechanism warming the world as greenhouse gas levels rise.
结果建立了从发病到死亡各个健康效应终点上，大气颗粒物浓度每升高一定单位，人群不良健康效应发生的相对危险度。
Results For each health outcome from morbidity to mortality changes, the relative risks were estimated when the concentration of air particulate matter increased some certain units.
目的研究低浓度一氧化碳（ CO）的神经行为毒理学效应及限时最大容许浓度（ M A C） 。
Objective To study the effect of low concentration CO on neurobehaviour function and the maximal allowable concentration(MAC) in limited time.
结果表明：乙烯对各细胞壁酶活性的促进效应因乙烯利施用浓度不同而异。
The results showed that the enhancement effects on cell wall enzymes changed with ethrel concentrations.
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