自然污染

用本法对68份样品进行了分析，AFB1自然污染率为11.8%，其中采自江苏某地的玉米样品污染AFB1最高达682.7μg／kg。

11.8 % of the 68 samples were positive for AFB 1 . The corn samples collected from some county were contaminated AFB 1 seriously at a maximum level of 682.7 μ g / kg .

未来对于自然污染土壤的环境调查应集中于研究金属元素进入人类食物链和人体的潜在途径。

Future environmental investigations of naturally polluted soils should concentrate on the potential pathways of metals into the food chain and human body .

目的采用压力蒸汽与化学消毒剂两种方法对人工污染及临床使用后自然污染牙科手机、车针等口腔科器械进行灭菌处理，观察比较灭菌效果。

OBJECTIVE Two methods , autoclave sterilization and chemical disinfectant immersion , are used to sterilize the dental instruments such as dental handpiece and its needles which are contaminated artificially or by clinical operation . The germicidal effects of these two methods are compared .

煤矿区自然环境污染状况评价指标体系探讨

Discussion on the appraisal and index system for the pollution situation of the coal-mine area 's environment

与自然环境污染相比，信息环境的污染有其自身特点，这些特点决定着信息环境与自然环境保护的不同，应引起有关方面的重视。

Due to their different Characteristics , different measures are required for protecting natural and information environments .

农村生活污水已成为自然水体污染的重要因素，适合农村生活污水特点的小型化水质净化工艺成为迫切需求。

Rural sewage pollution has become an important factor in natural water . Small water purification process for rural domestic sewage characteristics is an urgent demand .

水土流失（土蚀）是自然水污染的一个例子，如果土壤阻塞水流会造成难题，导致洪水泛滥。

Soil erosion is one example of natural water pollution and can cause problems if the soil blocks the flow of water and leads to flooding .

近些年来，化工废水造成自然水体污染，其中就排放量和污染程度而言，硫酸废水就占了一定的比例。硫铁矿制酸生产过程中，排放的工艺废水为净化工序产生的酸性废水。

In recent years , natural water pollution caused by chemical waste , the sulfuric acid wastewater accounted for a certain share in the extent of emissions and pollution .

变传统水泥工业对天然资源和能源消耗量巨大，对自然环境污染十分严重的夕阳行业为少污染、多环节循环发展的朝阳行业。

It is to shift from the traditional sunset cement industry which is over-consumption of energy and natural resources and very serious environmental pollution to the sunrise industry which is less pollution and the development of multi-part cycle .

在我国产业经济不断发展的过程中，资源的消耗也不断加剧：土地资源供给紧张，矿产资源约束增强，自然环境污染加剧等。

During the developing of land and resources industries , the consumption of resources is also growing fast , now the situation is tight supplying of land resources , mineral resource constraints increasing , and natural worsening pollution .

随着全球能源的日益消耗和自然环境污染的日益严重，节能减排、生态保护目前已经成为全世界面临的最大课题，电动汽车的发展迎来了最佳时机。

With the global energy crisis and worsen of environment pollution , ecological protection , energy saving and emission reduction are the biggest tasks of the world . The development of electric vehicle ushers in the best opportunity .

随着汽车产量和保有量的日益增多，以石油产品为动力源的车辆所排放的废气成了影响地球气候和城市自然环境污染的主要来源，此外能源短缺问题也越来越严峻。

With the car production and existent volume growing , emission gas by the vehicle , which the power bases on oil product , has become a major source of environmental pollution and urban pollution , in addition , the energy shortage has become increasingly grim .

模拟酸雨下自然红壤与污染红壤中Cd，Cu，Zn的释放特征

Release characteristics of cd , cu and Zn from the natural and contaminated red soils under simulated acid rain

根据长治市自然环境、污染现状及气象条件等特征，采用A-P值法和多源模式法，对长治市大气环境容量进行了测算。

Based on the natural environment , polluted condition and meteorological characteristics , the atmospheric environment capacity of the urban area in Changzhi was calculated by using A-P method .

细菌战对自然环境的污染和破坏也是长期的。

Bacteriological warfare pollution in natural environment has a long-term destruction .

雨水作为一种自然资源，污染轻，处理容易。

Rainwater with light pollution level is easy to purify .

自然通风无污染且无能耗，烟囱效应是建筑自然通风的一种有效手段。

Chimney effect is a kind of efficient method of architecture natural ventilation .

环境事件&自然灾害、污染的产生或防治，以及政府调控。

Environmental events & natural disasters , pollution causes or cures , government regulations .

第二部分，主要介绍了研究区的自然概况和污染状况。

The second chapter mainly introduces the physical and pollution situation in the study area .

新型病毒层出不穷是自然对人类污染空气的报复。

New type viruses appear continuously because the nature is revenged on humans for air pollution .

通过对感染性分子克隆分子标志的鉴定，排除了自然毒株的污染。

The infection of wild-type virus was excluded through detection of molecular marker of infectious clone .

在一些地区，矿业公司需缴“生态补偿费”，以支持自然保护和污染治理。

In some areas , mining companies are charged " ecological compensation fees " to support nature conservation and pollution treatment .

本文通过对自然条件下污染消退过程的探讨，揭示了水污染事件危害的长期性。

The paper discusses the pollution vanishing course under the natural condition and shows a protracted nature of the water pollution harm .

本文主要研究了自然景物中污染气流的生成算法及其在虚拟事故场景中的实现技术。

This paper mainly proposed a novel production algorithm of the airflow in the natural scenery and its realization technology in the virtual scene .

实木地板以其自然、无污染等特点，使许多消费者对其情有独钟。

Real wood floor wait for a characteristic with its nature , free from contamination , make a lot of consumer have a special liking to its .

那是因为，当垃圾在填埋场分解，会释放出甲烷，一种通常焚化处理，或者允许其自然挥发的污染气体。

That 's because when trash decomposes in landfills , it releases methane , a polluting gas that is traditionally dealt with by incineration or allowed to escape .

本文分析比较了“三河”流域和国外一些著名河流的自然条件、污染状况、治污措施和治污效果，指出必须坚持不懈地抓好河流水污染防治工作。

This article analyzes and compares natural condition , pollution status , control measures and results between " Three Rivers " basins in China and some famous rivers abroad .

包气带土层系统中油类污染物的性质和降解微生物的分布特性是影响污染物自然衰减和污染包气带强化生物治理的重要自然和生物学因素。

Properties of the hydrocarbon contaminants and distribution of the degrading microbes are significant factors influencing the natural attenuation of the pollutants and the enhanced bioremediation of the polluted soil .

现在人们对自然、无污染的食品的渴望程度相当高，已形成一定的消费群体，已构成绿色食品营销的基础。

It is now natural , pollution-free food is very high degree of desire , and has formed a certain degree of consumer groups , has constituted the basis of green marketing .

纳污能力定量评价模式的选择应当充分考虑水体的自然特性、污染特性和保护目标，以避免模式选择不当导致过分夸大水体纳污能力，进而造成不利于水资源保护的局面；

The mathematical model for quantification should be selected properly based on the natural characteristics , pollution features and protection objectives of waters , so as to avoid overestimating the pollutant carrying capacity ;