filter sand 中文意思是什麼

filter sand 解釋
濾砂
  • filter : n 1 濾器，濾紙，過濾用料[砂、炭等]。2 【無線電】濾波器；【物理學】濾光鏡，濾色器。vt 過濾，用過濾...
  • sand : n 1 沙。2 〈 pl 〉 沙灘，沙洲，沙地，沙漠。3 〈 pl 〉 沙粒；（計時用的沙漏中的）細沙。4 光陰，時...
  1. Deferrizers and demaganizers are series of products designed by our company for underground water with comparatively high iron and managanese content according to aerating oxidation priciple. in these prducts, packed natural manganese sand in filter is applied as filtering materials, and oxygen in air is applied as oxidants, to make ferrous iron in water oxidized into ferric iron, in a same time, oxidation reaction makes its produced its produced substances left in filtering materials for purposes of deferrization and deman - ganization

    除鐵錳裝置是我公司針對鐵、錳較高的地下水，按曝氣氧化法的原理而設計的系列產品，它是利用過濾器內裝填城然錳砂為濾料，利用空氣中的氧化劑，使水中的二價鐵，同時發生氧化反應使其物進截留在濾料中，從而達到除，除錳的目的。
  2. Use a filter funnel and paper to filter the mixture of copper sulphate, sand and water into a second jar.

    用過濾漏斗和過濾紙把硫酸銅、砂子和水的混合物過濾到另一個廣口瓶里。
  3. The effort of manganese removal was studied and the kinetics of manganese removal was tried to establish. the factors of dissolved oxygen concentration, fe2 + concentration, ph, p concentration and closing of the filter were studied to evaluate their effort for biological manganese removal, and the correlation of residual manganese and oxidation - reduction potential was also discussed. as the iron content of water was high, experiment results showed that the reaction was zero order, as the iron content of water was low, the reaction was first order. the time needed for the cultivation of biological manganese removal was 60 70 days. the filter operated at the filtration rate of 8 10m / h, silica sand of effective size 0. 95 1. 25mm filled the filter to a depth of 1200mm

    試驗結果表明，成熟后濾砂表面濾膜的x射線衍射圖譜與mno _ x ? 5h _ 2o （ x = 1 . 86 ）的x射線衍射圖譜一樣，濾膜成熟后的結構在進水物質不發生變化的情況下不發生變化;合適的碳磷比對生物除錳有明顯的促進作用，試驗條件下的投磷量不會對出水造成二次污染;生物除錳需要亞鐵的參與，亞鐵的存在除了能夠促進微生物分泌胞外酶並刺激其活性外，還通過鐵離子的變價傳遞電子，催化錳離子的氧化反應，從而促進對二價錳的降解。
  4. By research of mechanism of air and water anti - washout of the porcelain sand filter

    本文還對瓷砂濾料氣水反沖洗的機理進行了研究。
  5. Closed sand filter

    密閉砂濾器
  6. A deep treatment pilot test was made on micropolluted source water with combined technique of o3 preoxidizing biological pretreatment - coagulant sedimentation - sand filter - o3 after oxidizing biological activated carbon ( bac ) filter

    摘要利用臭氧預氧化生物預處理混凝沉澱砂濾臭氧后氧化生物活性炭濾池組合工藝對微污染水源水進行了深度處理中間試驗。
  7. 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
  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. In environment water treatment aspect, there are professional technology staff who are working on environment protect and dedicate to transplant foreign advanced technology, meanwhile they develop acidity / alkalescence waste water treatment technologies and equipment, soft water desalination technologies and equipment, high effectual lime preparation and putting set, high effectual integration putting set, at the same time, develop gravity sand filters, bevel precipitate set, many series of filter set, super filter set, prevent infiltration set, cooling tower, large - sized frothing water tank, cleaning device etc. all these technologies and equipments are domestic leading level

    環保水處理方面，有專業從事環保方面的技術專業人員，在從事多方面環境污染治理工作的基礎上，致力於消化移植國外先進技術，研製開發出酸性/堿性廢水處理工藝和成套設備、軟水脫鹽水工藝和成套設備、高效石灰乳制備及投加裝置、高效一體化加藥裝置，同時開發出重力砂濾器、斜板沉澱器、多種過濾器、超濾裝置、反滲透裝置、冷卻塔、大型鼓泡水箱、清洗裝置等單體設備，這些工藝技術與設備均居於國內領先水平。
  10. Biological sand filter

    生物砂濾池
  11. Physical stare : the manganese sand filter materials, in different content, are sieved and made of natural manganese sand or manganese

    物理狀態：該產品是用天然錳砂或錳礦石做原料，經篩選加工成含量不同的錳砂濾聊。
  12. 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。
  13. If circumstances permit, use of layered multi - sand filter comprising both coarse sand and fine sand as filter materials fitted with automatic backwash self - cleansing device is desirable

    如情況許可，宜使用包括粗沙和幼沙作為過濾物料的層沙過濾器，而過濾器應設有自動反沖的潔凈裝置。
  14. 23 if circumstances permit, use of layered multi - sand filter comprising both coarse sand and fine sand as filter materials fitted with automatic backwash self - cleansing device is desirable

    23如情況許可，宜使用包括粗沙和幼沙作為過濾物料的層沙過濾器，而過濾器應設有自動反沖的潔凈裝置。
  15. From there it is pumped up to a sand filter in the conservatory

    水箱里的水再由泵抽到溫室里的沙子過濾器里。
  16. The conclusion is that iron ceramics media has a lot of advantages over sand media in the fields of filter run and yield. it has good quality of little hydraulic pressure loss, longer period and capabilities of impurity

    結果表明，塗鐵陶粒濾料濾池具有過濾水頭損失小、運行周期長、截污能力強的優點，其過濾性能優于石英砂濾料濾池。
  17. Sand filter system

    砂堆過濾器
  18. In this circumstance, the sand filter system would filterminimize the radioactivity released to the environment

    同時，砂堆過濾器亦會過濾和減少外泄物質的放射性。
  19. In this circumstance, the sand filter system would filter minimize the radioactivity released to the environment

    同時，砂堆過濾器亦會過濾和減少外泄物質的放射性。
  20. If necessary, the sand filter system can regulate the release of radioactive materials from the containment to the environment to avoid containment failure due to overpressurisation

    在必要時砂堆過濾器可控制放射性物質從安全殼向環境釋放，以免安全殼因壓力過高而失效。
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