Air pollution factors include sulfate or nitrate second particles derived from gas-to-particle transformation as well as original particles.
影响能见度的空气污染因子，不仅包括一次源，还应包括经由气-粒转化化学反应而产生的硫酸盐、硝酸盐等二次污染粒子。
External environmental causes of cancer are factors in the environment that increase risk of cancer such as air pollution, UV radiation and indoor radon.
外部环境致癌因素是指环境中导致罹患癌症的危险升高的因素，如空气污染、紫外线辐射及室内的氡等。
Air pollution is one of the number one factors that affect our quality of life and health.
空气污染是影响我们生活质量和身体健康的诸多因素之一。
The amount of air pollution created depended on a number of factors, including weather, surrounding structures, amount of gasoline pumped, and traffic intensity.
有很多因素能影响空气污染的程度，包括气候状况、周围环境、汽油排放量的多少以及交通密度。
Tobacco use, indoor and outdoor air pollution and occupational dusts and chemicals are the primary risk factors.
烟草使用、室内外空气污染与职业灰尘和化学品是主要的高危因素。
Admittedly, there are various factors contributing to the current worldwide air pollution, but it is undeniable that the exhaust from automobiles is categorized as one of the major elements.
诚然，有很多因素导致了现在的全球空气污染问题，但是不能否认的是汽车废气被归为最重要的因素之一。
Addressing the major risk factors - including malnutrition and indoor air pollution - is essential to preventing pneumonia, as are vaccination and breastfeeding.
应对主要的风险因素(包括营养不良和室内空气污染)与接种疫苗和母乳喂养一样，对预防肺炎是至关重要的。
Among the factors blamed are air pollution, a shortage of places in international schools and the sky-high price of top-quality accommodation.
空气污染，国际学校名额不足，高质量生活成本增高都是原因。
Therefore, the compressed air system reliability and the ability to pollution is powder coating system very important factors.
因此，压缩空气系统的可靠性以及去污染的能力是粉末涂装系统十分重要的因素。
It has been hypothesised that environmental risk factors, such as parental smoking, number of siblings, and air pollution, are responsible for this increase.
已假定的环境有害因素，如：父母亲吸烟、同胞数量和空气污染都应对该病的患病率增加负责。
External factors: life region climate, dry, cold working environment air is dust, chemical gas pollution, alcohol and tobacco, spicy food stimulation, are easy to long-term chronic pharyngitis.
外界因素：生活地域气候寒冷、干燥，工作环境空气被粉尘、化学气体污染，烟酒、辛辣饮食长期刺激，都易得慢性咽炎。
Objective: to define the weights of 6 main influencing factors, i. e. gas components, aerosol, radioactivity, temperature, humidity and microbial pollution in submarine cabin air quality.
目的：确定气体组分、气溶胶、放射性物质、温度、湿度和微生物6种污染要素在潜艇舱室空气质量评价中所占的权重。
The World Health Organization has listed indoor air pollution as one of five environment factors that badly endanger the public health.
室内空气污染已被世界卫生组织列为对公众健康危害最大的五种环境因素之一。
The character and influence factors of pollution along roadside were differed from the routine air monitoring data.
路边空气污染的特征和影响因素与传统空气监测数据有较大差别。
Pollution property of PAHs in the particulates in the air and its affecting factors at the traffic crossing in Beijing were studied.
研究了北京市典型交通路口大气颗粒物中多环芳烃的污染特征及影响因素。
Based on the box model used in atmospheric Science, Calculation of indoor air pollution concentration had been developed and it's effect factors were discussed as well.
在借鉴大气总量控制箱模式的理论基础上，探讨了室内空气污染物浓度的新的计算方法，并通过此模式对影响因素作了分析和分情况解释。
The environmental study or report covers many factors, including noise generation, air pollution, disturbance of areas traversed, destruction of existing housing, and possible alternate routes.
环境研究或报告包括了许多因素：噪音的产生、空气污染、对被穿过区域的干扰、原有房屋的毁坏、和可能供选择的线路。
Smoking and exposure to air pollution and occupational dusts and chemicals are known risk factors.
吸烟、空气污染及因工作长期接触尘埃及化学品都是导致慢阻肺病的风险因素。
Objective: to study the microorganism pollution in the air of college students dormitories, and analyze the factors that might cause pollution.
前言：目的：了解高校学生宿舍空气微生物污染情况，并分析造成污染的可能因素。
We investigated the condition of bacterial pollution in the air in 126 dormitories of a university by using fallen plate method in May. 1993 and analysed the factors that might cause pollution.
采用沉降平板法调查了某大学126间学生宿舍空气中细菌污染状况，分析造成污染的可能因素。
The air pollution sources in the car are analyzed in detail, in which 11 typical pollutants are singled out as objective assessment factors.
对轿车内的污染源作了详细的分析，并由此选择了11种污染物作为车内空气品质客观评价的评价因子。
Based on the analysis of contributing factors, a model of parameterized combination operator in air pollution forecasting is presented, which is suitable to nonlinear problems.
在成因分析的基础上，建立了大气污染物浓度预测的参数化组合算子模型，适应非线性问题。
Based on the analysis of contributing factors, a model of parameterized combination operator in air pollution forecasting is presented, which is suitable to nonlinear problems.
在成因分析的基础上，建立了大气污染物浓度预测的参数化组合算子模型，适应非线性问题。
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