污染
- 与 污染 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Interconversion between linear source resistivity and point source resistivity with the use of matrix method.;2. In the total discharge of point source wastewater,about 76% of nitrogen an.
对厦门市近岸海域近10年的废水和主要污染物质排放量估算的结果表明:万元产值工业废水排放量呈逐年下降的趋势,而各污染物的排放总量却逐年缓慢增长;在点源污水排放总量预测中,约76%的氮、磷来自于生活污水;在非点源污染负荷中,农业非点源中的氮、磷负荷占较大比例,城市非点源污染负荷比例最小。
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The pollution of As results from the copper deposits, the lead-zinc deposits and limonite, and from their exploitation; the pollution of Cd is related to lead-zinc deposits, the exploitation, and agricultural irrigation with waste water; the pollution of Pb and Zn are mostly ascribed to the lead-zinc deposits and related exploitation.
As元素污染的主要原因是铜矿、铅锌矿褐铁矿矿床及其开发;Cd元素的污染与铅锌矿床及其开发,以及农业污灌有关;Pb、Zn元素的污染与铅锌矿床及其开发密不可分。
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The trasfering and transforming laws and the pollution efect of the tailing sedi- ment in Jinsha river contaiuing heavy matal pollutants is disquited as well.
采用等标污染负荷法对攀枝花矿业公司矿山废水的污染现状进行了评估,同时对含有多种重金属污染物的尾矿沉积物在金沙江中迁移转化规律和污染效应作了深入探讨。
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A fuzzy comprehensive clustering method has been established by combining the principle of maximal matrix element of the fuzzy clustering with the comprehensive judgment in fuzzy decision.
将模糊聚类最大矩阵元原理与模糊决策中的综合评判法相结合,建立了模糊综合聚类法,对地下土体污染程度进行最优评判,并且对污染因子进行分类,为治理土体污染提供了依据。
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In this thesis, seed germination and root elongation test, early growth test were performanced by chemical spiked (Cu, Zn, Pb and Cd; Phenanthrenen, Pyrene; and1, 2, 4-trichlorobenzene) in four types of soils (red load soil, meadow brown soil, chestnut soil and dark brown soil) using wheat, Chinese cabbages , tomatoes , turnip and scallion as plants: The toxicity of heavy metals Cu.
本文选择4类典型土壤(红壤、草甸棕壤、暗棕壤和栗钙土),以(小麦、白菜、萝卜、西红柿、大葱)为供试植物,进行了重金属(Cu、Zn、Pb、Cd)、有机氯、多环芳烃污染的植物种子发芽与根伸长抑制试验;植物早期生长试验研究;以草甸棕壤为供试土壤,进行了重金属(Cu、Zn、Pb、Cd)单一、复合污染条件下的蚯蚓急性毒性实验;以草甸棕壤、污染土壤和生物修复土壤进行蚕豆根尖实验和土壤原生动物实验。
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Indeed,the earth is our home and we have the duty to take care of it not only for ourselves but also for our descendants.in my opinion, we should work out concrete measure to prevent pollution senting off by automobile.for instance, cars should be equiped with a equipment that can depose of the gas sent out by cars.only in this way can we real solve the air pollution caused by automobile.
3确实,地球是我们的家,我们有责任为了我们大家和我们的后代好好地照看好它。我认为,我们应该制定有效的控制汽车排放污染的措施。例如,汽车应该配有一种能够将废气分解的装置来防止空气污染。只有采取这样的措施,我们才能够真正的解决由汽车带来的空气污染问题。
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Methods An high efficiency microwave radar transmitter was refit to act as the microwave resource,an microwave power densimeter was independently developed to detect microWave intensity;the hypergravity enviorment was simulated by using the centrifuge;the low atmospheric pressure environment was founded by refitting the animal low pressure oxygen cabin.
高功率微波武器在未来战争中,特别是在空战和海战中,对装备的破坏和人员的杀伤将发挥"杀手锏"的作用[56]。微波辐射的热效应和非热效应对机体的影响是复杂而广泛的,如同水源污染,大气污染和噪音污染一样,亟待进行深入研究和有效治理。目前国内外虽有不少关于超重环境和低气压环境以及微波辐射对机体影响的单因素研究报道[79],但尚未见有微波辐射对处于超重或低气压环境下机体协同影响的报道。
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According to the second class standard of the national soil environment quality, pollution severity of heavy metals in the soil was evaluated by monomial pollution index method and Nemerow synthetic pollution index method.
依据国家土壤环境质量二级标准,用单项污染指数法和内梅罗综合污染指数法评价土壤重金属的污染程度。
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Mycorrhizal spores in most rhizospheric soil of weed species, except Vida cracca, TrfoHum npens and Oxalis cornculata, decreased significantly. 2 Influence of coexisting of various plant species on AMF colonization in Pb polluted soil Comparing with monoculture,the results showed mat diversity did not affect on die AMF colonization of weed plants planted in soil at the concentration (334.5251mg/kgsoil or nonpolluted soilsignificandy.In the experiment of species combination with Trfolium repens, Lolium perenne, Poa annua, Plan tago virginica, the infection rate of all species increased in Pb treatment except Poa annua, implying that diversified plant species coexistence may alleviate the impacts of Pb on mycorrhizal colonization.
铅污染土壤条件下不同植物物种互作对菌根的影响通过盆栽加铅模拟试验,在铅污染(334.5251mg/kg土)的土壤中,黑麦草、早熟禾、白车轴草和北美车前无论是对照还是铅处理,多植物物种共存组合中的杂草菌根侵染率与单个物种相差不大,AMF菌根侵染率的处理间差异的变化趋势在铅污染的土壤和对照土壤条件下表现一致,但铅处理与对照相比,除了早熟禾外,菌根侵染率均升高,说明杂草多样性对菌根有一定的保护作用。
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To counter this producing situation, the work of investigating cause also had been done in detail. It was found that the over-standard causes were the pollution of processing, unreasonable technology, incorrect sterilize, contaminated package and the pollution during store and drink.
针对省内纯净水生产现状,经调查分析认为,引起细菌总数超标主要是生产过程污染、生产工艺功能欠佳、消毒灭菌措施不当、包装容器污染、饮用期污染等方面的原因。
- 推荐网络例句
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Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.
在对危险的南部地区访问时,他斥责什叶派民兵领导人对中央集权的挑衅行为。
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In fact,I've got him on the satellite mobile right now.
实际上 我们已接通卫星可视电话了
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The enrich the peopling of Deng Xiaoping of century great person thought, it is the main component in system of theory of Deng Xiaoping economy, it is a when our country economy builds basic task important facet.
世纪伟人邓小平的富民思想,是邓小平经济理论体系中的重要组成部分,是我国经济建设根本任务的一个重要方面。