濾層 的英文怎麼說

中文拼音 [lǜcéng]
濾層 英文
drainage layer
  • 濾 : 動詞（除去液體雜質） filter; strain
  • 層 : i 量詞1 （用於重疊、積累的東西 如樓層、階層、地層） storey; tier; stratum 2 （用於可以分項分步的...
  1. It is shown that the effect of pac removing fluoride is closely related to ph value and the optimum range of ph value is between 6. 1 ? 7. 1. under this condition, further studies are made on the optimum coagulant dosage, mixing time, artificial turbidity, filtration rate and filter bed ' s depth and the optimum range of these parameters have been determined

    堿式氯化鋁的除氟能力與原水的ph值有密切的關系，除氟最佳ph值范圍為6 . 1 ? 7 . 1 。在此條件下，進一步對最佳投藥量、混合時間、反應時間、人工輔助投加濁度、濾速及濾層厚度進行了研究，確定了其最優的取值。
  2. The separation of the formica rufa linnaeus samples by pel filtration chromatography. in this part, the author has primarily separated the formica rufa linnaeus samples by glucosan gel g - 50 filtration chromatography. the principle is the difference of the molecular weight of different components

    紅褐林蟻樣品的凝膠過濾層析分離本部分旨在通過葡聚糖凝膠g - 50過濾層析初步分離紅褐林蟻樣品，根據分子量大小不同而達到分離目的。
  3. Strain bl21, and gene expression was induced by iptg. the target proteins were directed into the periplasmic space by the staphylococcal protein a signal sequence preceding the rgd - hirudin gene. using ion exchange chromatography and gel filtration chromatography, the chimera proteins were purified, and both of them showed a single band in tricine - sds - page. the results of activity analysis suggested that these two chimera proteins not only have antithrombin activities, but gain platelet aggregation inhibitory activities as well

    通過離子交換層析和凝膠過濾層分別對兩種嵌合體蛋白進行純化，純化產物在tricine - sds - page中都顯示為單一條帶。活性分析結果表明兩種嵌合體蛋白在保留水蛭素抗凝血酶活力的同時，還呈現抗血小板聚集活性。
  4. Based on the extensive studies of subtilisin - like protease ( prl ) of metarhizium anisopliae, extracellullar serine protease is suggested to be a key enzyme involved in the fimgal penetration to invertebrates. the investigation of serine protease in the nematode infected by owvtl may help to understand the mechanism of nematophagous fimgi as biological control agents. a 3l kda serine protease was isolated and purified from the liquid culture of h rhossiliensis owvtl challenged with nematode panagrellus redivivus

    本研究利用線蟲誘導下owvt - 1菌株液體發酵，通過粗分級分離、離子交換層析和凝膠過濾層析分離提純了一個分子量為31kda的絲氨酸蛋白酶，生物學測定表明其對大豆胞囊線蟲二齡幼蟲具有致死作用，同時測定了該酶理化特性，酶活力在75附近酶活力最高，隨著ph的增加酶的穩定性升高，與膽堿酯酶具有相似的ph曲線，對特異性底物aape （ suc - ala - ala - pro - glu - pna ）具有作用， ssi和ci - 2抑制該酶的活性。
  5. Designning well tube and drill - hole diameter in order to increase thickness of both annular packing gravel and water - resisting clay, nylon net packing around well tube filters, designing filter layer on the boundary between packing gravel and water - resisting clay and ramming the gravel by working the piston into the well after gravel packing completion and the filling clay for salt - water resisting etc. we succeeded in constructing 3 drinking - water wells in minqin county, proved the affectivity and feasibility of using it and giving a certain technical demonstration of construction of drinking - water well in the same similar to this area

    通過孔徑與管徑的調配設計，增大環狀粒料層和止水粘土層的厚度；濾水管外包尼龍紗網；粒料與止水粘土接觸界面上設計反濾層；填粒后先行拉活塞利用水力夯實粒料層，再投粘土球止掉上部鹹水等措施，在民勤縣三口人飲水井施工中取得顯著效果，證明了該套成井工藝的有效性和可行性，有望為同類地區人飲水井施工提供技術示範作用。
  6. A brief introduction is given to the treatment of the zeya dam foundation, principles of seepage control and design of the concrete face rockfill dam of the zeya reservoir. as for the excavation of the sand - gravel zones, except the toe slab and its 1 / 9 bottom width down stream, the alluvial layers are excavated to the micro - weathered rocks, while the other sections remain unexcavated. regarding to the treatment of the fracture zones, concrete filling is used for the toe slabs and semi - permeable materials are used for other section. according to the construction characteristics, a filter is placed in the down stream embankment foot. to improve the integrity of the dam foundation and anti - seepage capability consolidation grouting and curtain grouting are adopted. as a result safety, economic benefit, convenience in construction and good performace are achieved

    簡要論述澤雅水庫面板堆石壩壩基處理和防滲的原則及設計要點.趾板基礎和堆石體各區砂礫石基礎開挖，除趾板與其下游1 / 9底寬范圍以及壩腳挖除沖積層至弱風化（局部微風化）基巖外，其餘部分均予以保留.斷層破碎帶處理，趾板部位採用混凝土塞，其它部位採用半透水料置換，並根據本工程特點在下游壩腳加設了反濾層.為提高壩基的整體性和防滲性能，對趾板進行了固結和帷幕灌漿.達到了安全、經濟、便於施工的目的，運行情況良好，可為面板堆石壩的設計和研究提供參考與借鑒
  7. As a hard - core part of epikarst ecosystem, soil makes a hinge action in the karst process. it forms a leach layer between rainfalls and carbonate and gives a great much time and space in the karst process. soil co2, a very pivotal factor in the karst dynamic factors, makes an action of driving forces in karst dynamic system

    土壤作為表層帶巖溶生態系統的核心部分，在巖溶過程中起著樞紐作用，它的存在使得大氣降水與碳酸鹽巖之間形成一個「過濾層」 ，賦予巖溶作用更廣闊的時間和空間，其中土壤co _ 2是個非常關鍵的因子，它是巖溶作用的重要物質來源，在巖溶動力系統中起著驅動力作用。
  8. In drainage of agricultural lands, a filter or gravel envelope is used to prevent the entrance of fine sand and silt into the drains.

    在農田排水中常常採用礫石或過濾層來防止粉細砂和泥沙進入排水溝。
  9. It is conclued that the filter layer can protect the core wall of earth - rock dam from flow erosion

    結果表明，寬度不大的裂縫在合適的反濾層保護下，能防止心墻土體被水流沖刷。
  10. In order to understand the characteristics and mechanism of flow washout for the crevice of core wall in earth - rock dam, according to the exemple of crack washout test for the core of heihe dam, constant water level washout test and changing water level washout test are adopted differently, the process of test and the character of the flow washout for the core crack are gone into particulars

    摘要為了解水流沖刷作用下反濾層對土石壩心墻裂縫發展保護作用的特點和機理，以黑河土石壩心墻裂縫沖刷試驗為例，分別採用常水頭和變水頭兩種方法，探討了土石壩心墻裂縫在水流沖刷過程中的特點。
  11. It can be the filtration layer of the dikes, river canal, seacoast, concrete and retaining walls

    可以做堤壩，河渠，海岸，混凝土，擋土墻的過濾層。
  12. In smoke shan among the course, can is it come down to stop grades of detailed sand grain, form steady sand strain layer

    在抽i油過程中，能將級細的砂粒阻擋下來，並形成穩定的砂濾層。
  13. By sampling in different filter layer and analyse of water head damage in all sampling point, i draw a condusion about filter function of porcelain sand filter is superior to the general filters

    通過濾層分層取樣，對各取樣點的水頭損失的分析，得出瓷砂濾料較一般濾料過濾性能優越的結論。
  14. Results show that, clogging situation caused by interception and adsorption of suspend substances or by growth of microorganism, all tends to decrease with negative exponential from, following the increase of infiltration layer depth

    結果表明，不管是懸浮物截留、吸附，還是微生物的生長，所造成的堵塞狀況都呈現出隨濾層厚度增加按負指數形式遞減的趨勢。
  15. Based on the experiment of dust removal in a granular layer at normal temperature and the analysis of the experimental results, the influence of filter particle diameter, layer thickness and filtration velocity on the dust removal efficiency was researched

    摘要在常溫下，採用固體顆粒層進行過濾除塵的實驗研究，並對實驗結果進行分析，探索了過濾介質粒徑、過濾層厚度和過濾速度對除塵效率和床層壓力差的影響。
  16. Third according to the practice, over 300 g / m2 of the staple nonwoven geotechnical fabric is used in the bank project of the large rivers, its tensile strength is 600 n / 5cm. forth the filtration under the traffic load, normally, the traffic load is repeated load and fast movement. in this case, thick filtration is applied, such as sand and / or thick fabric, of which weight is over 700 g / m2

    研究結果表明：對d _ （ 85 ） 0 . 074mm的土料，不宜採用土工織物作濾層；對級配極不均勻的土壤（不均勻系數cu 2或cu 6 ） ，在滲流作用下，很容易發生管涌，對土工織物的選用要慎重；一般大江大河的護坡工程至少應採用300g m ~ 2以上的短纖無紡土工布，其抗拉強度為600n 5cm左右。
  17. Up - flow filtration with coarse sand media, the water intaking from the bottom layer where the particle diameters of coarse media were the widest and outputting from the surface layer where the particle diameters of coarse media were the thinnest in the single media, was studied theoretically and experimentally in this research. it solved the difficult technical problem of reverse grain filtration

    本文對粗石英砂濾料上向流過濾技術進行了理論和實驗研究，在單一的濾層中待濾水循粒徑最粗的底層進，從粒徑最細的表層出，攻克了「反粒度過濾」的關鍵技術。
  18. Maintaining malt shell ' s intergrity and forming loose filter layer whose thickness may increase 15 - 20 %

    可保持麥芽殼皮完整，形成疏鬆高效的過濾層，濾層厚度可增加15 - 20 % 。
  19. Add curves layer to lighten it, a photo filter layer to add more red, and a colour balance layer to add more orange

    放入曲線層，以減輕它的照片反濾層，以增加更多的紅色，一臺彩色平衡層，以增加更多的橙色。
  20. Observing wash degree, bulging ratio and distributing of filtrating material. measure turbidity of filtrate and reduction of hydraulic pressure

    觀察反沖洗膨脹率、沖洗強度及濾層分佈情況。測定濾后水濁度及水頭損失。
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