surface pollution 中文意思是什麼

surface pollution 解釋
水面污染
  • surface : n 1 表面;地面;水面;廣場,空地。2 外觀,外表,皮毛。3 【幾】面;切口;【航空】翼面。adj 表面的...
  • pollution : n. 1. 污染(作用)。2. 腐敗,墮落。
  1. Through monitoring the growth of wetland plants mainly common reed and cattails and assaying o g and tph in soils according to timelapse, the function of wetland degrading oil pollution was validated. the petroleum pollutants in the surface layer of soil were decreased by eluviations and degradation

    通過監測濕地植物蘆葦香蒲等的長勢和化驗土壤中總石油烴tph及油和脂o g隨時間的變化,以探討濕地狀態對石油污染和植物長勢的影響。
  2. Through monitoring the growth of wetland plants mainly common reed and cattails and assaying o g and tph in soils according to time ? ? lapse, the function of wetland degrading oil pollution was validated. the petroleum pollutants in the surface layer of soil were decreased by eluviations and degradation

    通過監測濕地植物蘆葦香蒲等的長勢和化驗土壤中總石油烴tph及油和脂o g隨時間的變化,以探討濕地狀態對石油污染和植物長勢的影響。
  3. The dynamic change of nh4 +, no3 - and tn, under the situation which urea was applied in the high fertility paddy - field in yuhang of hangzhou city with a lysimeter which was designed and made by ourselves, was studied and analyzed in order to find the rules of the change in the water - body of surface and the leakage rule of nitrogen, to reduce the effect of nitrogen loss on the water pollution

    藉助自行設計製作的稻田滲漏計,在杭州餘杭對高肥力稻田不同施用尿素氮肥情況下,稻田地表水和滲漏水中銨態氮、硝態氮和總氮(簡稱三氮)的動態變化規律進行了研究分析,以利於發現氮素在地表水體變化和淋失規律,盡量減少氮素淋失對地下水體所造成的影響。
  4. Contrasting stone coal to the soil developed from it and water to water leached from stone coal shows that slight fluorine pollution of surface water and plant resulted from weathering of stone coal and leaching

    摘要通過對比典型剖面上的石煤及其風化發育的土壤的氟含量、流經石煤層的水與不經過石煤層的水的氟含量,研究石煤風化、淋溶時氟對土壤、地表水和農作物的影響。
  5. Abstract : based on the technical framework of atv ( abwasser technik verein ), the author introduces the evaluation idea of the influence for surface water due to pollution factor carried by rainwater and emphasizes the importance of the evaluation of the pollution factor by rainwater in the city drainagesystem planning, the calculation method of the pollution factor by rainwater and the treatment effect of the rainwater treatment facilities are brought and analyzed same time

    摘要:本文介紹了在德國atv規范框架下對雨水攜帶的污染負荷對水體的影響的評價思路,闡述了在進行城市排水系統規劃時對雨水污染負荷進行評價的必要性,並提出雨水攜帶的污染負荷對水體的影響以及雨水處理設施的處理效果的量化評價方法。
  6. Introduction to general ideas in air pollution control, air pollution effects, design of wall collection devices ( gravity settlers, centrifugal separators, electrostatic precipitators ), design of dividing collection devices ( surface filters, depth filters, scrubbers for particulate control ), design of controlling by concentration and recovery ( condensation, adsorption, absorption ), design of controlling by oxidation ( combustion, biological oxidation, biofiltration ) and the choosing of a control technology

    本課程介紹空氣污染防制概念,空氣污染之影響,壁式集塵設備之設計(重力沉降室、離心分離器、靜電集塵器) ,分隔集塵設備之設計(表面過濾器、深層過濾器、洗滌器) ,以濃縮回收之控制設計(冷凝、吸附、吸收) ,以氧化之控制設計(燃燒、生物氧化、生物過濾) ,以及控制技術之選擇。
  7. Study on monitoring genotoxicant pollution in surface water of yangzhong city using micronucleus test and comet assay

    應用蠶豆根尖微核技術和彗星試驗監測揚中地表水遺傳毒物污染的研究
  8. In view of severe pollution to environment caused by hexavalent hard chromium plating process in electroplating industry and for realization of cleaner production benefiting ecological environment, broad surface finishing technicians have been actively searching for substitute processes for hard chromium plating, among them electrodeposition of alloy coatings is an ideal substitute in the future

    摘要為了實現清潔生產,改善生態環境,針對電鍍行業中嚴重污染環境的六價硬鉻電鍍工藝,廣大電鍍工作者致力於代硬鉻工藝的開發,其中電沉積合金鍍層技術將是未來比較理想的代鉻工藝。
  9. Abstract : the paper summarized the present situation of nitrate pollution in some area of our country where the surface water, underground water and vegetable crop were polluted by using nitrogen excessively, put forward some proposals and control countermeasures to prevent the nitrogen pollution in agriculture ecology environment such as draw up the " pollution prevention administrative stipulate for farm land fertilizer application "

    文摘:概述了我國部分地區因過量施用化肥氮而導致對地面水、地下水及蔬菜造成硝酸鹽污染的現狀;提出了制定《農田施肥污染防治管理規定》等防止農業生態環境氮污染的對策意見。
  10. The porous ceramics is composed of lots of bridge arch - shaped microspores that connected and well - distributed inside the material. when the fluid passes through these pores, the suspended matters, colloid particles and big molecular organic substances are withheld or absorbed to the inner surface of the pore, and result in filtration, purification adn even - dispersion, high strength, good resistance to abrasion, high temperature and corrosion, no pollution, long workinglife, and easy to regenerate, the porous ceramics are available for filtration and fluidization of variou gas and liquid

    微孔陶瓷過濾介質由許多大小分佈均勻,相互連通的橋拱狀開口氣孔組成.當流體從這些氣孔中通過時,流體中的懸浮物質,膠體顆粒,大分子有機物等被截留,吸附在微孔道內,從而達到了凈化和過濾均勻化的效果.微孔陶瓷強度高,耐磨損,耐高溫,耐腐蝕,無污染,氣孔分佈均勻,使用壽命長且再生簡便,特別適用於各種氣,液過濾和流態化過程
  11. It will change the hydraulic conditions of the river, such as widening the water surface, decreasing water - flow velocity and purification capacity of water body in reservoir area meanwhile, many problem will be encountered, such as a large quantities of pollution in cities and towns, harmful matters in pesticide and fertilizer in reservoir area, poisonous pollutants in rainfall, accidental discharge of municipal wastewater or industrial sewage, limits of low economic level and urbanization etc.

    該水域的水力學條件發生變化,水流速度減緩,岸邊污染帶加寬,水體的環境容量降低;三峽庫區城鎮污水處理廠和廠礦的有害廢水處理設施不可避免地會發生事故排放;成庫期內庫區城鎮污水的治理很難達到水質要求,以及三峽庫區目前較低的經濟和城鎮化水平制約,庫區城鎮供水面臨的水環境問題日漸突出。
  12. In the machinery industry, the sodium citrate is widely used for replacing sodium cyaniding to clean the metal surface of heat exchanger metal surface and the chemical pipeline, because of its nonpoisonous, no pollution, high combine performance, it is good buffer and complexing agent in the electroplate industry

    在機械造業中,檸檬酸納由於無毒、無污染,高整合性能,因此廣泛用於替代氰化鈉,處理金屬表面熱交器和化工管道的清洗劑,是電鍍工業良好的緩沖劑和絡合劑。
  13. ( 3 ) pah " levels in maricultural site tvere much higher than that in the adjacent non - maricultural site, and it showed that mariculture was one of the contributors of marine pah " pollution in seal atef. 2 western xiamen harbort ( 1 ) pah " levels in surface seat " ater and sediment of the survey site " ere quite severe

    5系統研究了鱸魚、真鯛體內不同器官、組織的生化指標? ?過氧化氫酶( cat ) 、超氧化物歧化酶( sod ) 、脂質過氧化( lpo )指標,結合水體及生物樣的pah污染分析結果,探討了這些指標對水環境pah污染的指示作用。
  14. Control technologies on urban surface runoff pollution in china

    徐州城市表層土壤中硫與磁學參數的關系及其環境意義
  15. The results showed that both of water enverionment and biotic enverionment were good, and surface sediment enverionment was polluted in middle level besides that of some stations were seriously polluted, in which c ( subscript d ) plaied a main role in pollution

    結果表明,水質環境和生物環境處于良好水平;表層沉積環境處于污染水平,有的站達到嚴重污染水平,其中重金屬錫的貢獻率最大。
  16. Evaluation of the effects of environment of drinking water and simulated forecast of the water quality ' s changes ; analysis of the surface water and soil pollution

    集中式飲用水源環境影響評價及水質變化模擬預試;地表水及底泥、土壤污染分析。
  17. Considering modern stress, the constant changes of weather and high pollution in the streets, your delicate dry skin needs to be cleansed below the surface level

    面對現今社會的種種壓力,驟變的天氣和污濁的空氣,我們脆弱的皮膚肯定需要至清至純的呵護和潔凈,才可以保持柔嫩光澤,明艷照人。
  18. The scc has the following advantages : remarkably reducing the noisy pollution and the worker s labor intensity in construction, deducing the rough surface or segregation because of missing - vibration or excessive - vibration in conventional construction, resolving the quality - defect problems resulting from lacking - vibration in the section of complex shapes and densely - packed reinforcement area. at the same time, large of industrial solid waste such as fly ash and blast furnace slag is utilized in the proportioning of scc. it is helpful in comprehensive utilization of resource and environment protection, so the scc belongs to " green concrete ", it is a branch of hpc which will be developed in the future

    這種混凝土可以顯著降低混凝土施工中的噪音污染;大幅度減輕工人的勞動強度;減少傳統混凝土施工中因漏振或過振造成的麻面或離析;解決了配筋密集、結構復雜部位因振搗不足而造成的質量缺陷問題;同時,由於自密實混凝土在配製中,大量利用粉煤灰、高爐礦渣等工業固體廢棄物,有利於資源的綜合利用和生態環境的保護;從而被譽為「綠色混凝土」 ,是未來混凝土向高性能發展的方向之一。
  19. Surface pollution and measures in shifushi reservoir

    佛寺水庫流域面源污染及防治對策
  20. The type of this article is " used for product ". it analyzes surface pollution of metal, hydro capacity and effect to wall piping quantitatively on the base of the rinsing of piping of hydraulic system of precise - rolling machine at the hot sequential rolling plant. by analysis, we confirm the fit flux and pressure when rinsing, design high - ability, high - efficiency, wide - applicability whole set equipment

    本論文的成果直接用於生產,以太鋼熱連軋精軋機液壓系統的鋼管清洗為背景,對金屬表面污染進行分析,對液壓鋼管沖洗時流體的性能和其對管道內壁的作用效果進行定量的分析,確定合適的沖洗流量和沖洗壓力,設計製造了能力大、效率高、效果好、適用廣的成套裝置。
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