濾水表層 的英文怎麼說

中文拼音 [shuǐbiǎocéng]
濾水表層 英文
filter skin
  • : 動詞(除去液體雜質) filter; strain
  • : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
  • : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
  • : 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...
  • 表層 : skin layer; superficial coat; veneer; surface; sexine; bloom; supercrust; surface layer表層沉積 [...
  1. The present work indicates the organic nf membranes and the inorganic nf membranes all have shortages, so develop composite nf membranes that have low cost, mechanically strong and thermally / chemically - resistant, easy to cleanout and good performances is a very important task. in this paper, the preparation of inorganic - organic composite nf membranes were presented. this composite comprise a porous sio2 / al2o3 support substrate, the pore diameters of which ranging from 10 to 15 nm, this inorganic support substrate having a polymer membrane which comprises an polyvinyl alcohol ( pva ) or polyamide ( pa ) densely deposited on at least one of the face surfaces thereof, the structural porosity of such pva and pa membrane ranging from 3 to 5 nm

    本論文以開發無機?有機復合納膜為出發點,首先在al _ 2o _ 3多孔微膜上利用溶膠?凝膠法制備sio _ 2 al _ 2o _ 3無機復合超膜作為無機?有機復合納膜的基膜;選用聚乙烯醇和聚酰胺為面功能材料,分別探討了以羥基丁二酸和磺基楊酸為混合交聯劑,採用浸塗法制備了聚乙烯醇sio _ 2 ? al _ 2o _ 3復合納膜;以均苯二甲酰氯、哌嗪和二胺為單體,採用界面聚合法制備了聚酰胺sio _ 2 ? al _ 2o _ 3復合納膜,並對影響膜性能的諸多因素進行系統研究。
  2. 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

    通過離子交換析和凝膠過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。活性分析結果明兩種嵌合體蛋白在保留蛭素抗凝血酶活力的同時,還呈現抗血小板聚集活性。
  3. It set up the development of the world recognized high performance nanofiltration composite membrane of aromatic polyamide, on the basis of reviewing the development, the importance in the membrane separation technology, the classification, the fabrication technique and the current development of the research and the application of the nanofiltration membrane. polysulfone was chosen as the material for making the porous substrate because of its excellent compress - to - denseness resistance, its cheap price and its great availability. by fabricating an ultra thin polyamide functional layer on the polysulfone substrate through interfacial polymerization taking piperazine as the monomer in aqueous phase and trimesoyl chloride as the monomer in organic phase, high performance nanofiltration composite membranes of ultra low pressure and ultra high permeating flux were prepared

    選擇耐壓密性能優良,價廉易得的聚碸材料為制備復合膜基膜材料,哌嗪為相單體,均苯三甲酰氯為有機相單體,通過界面聚合反應在基膜面形成超薄功能,制備了超低壓高通量聚哌嗪均苯三甲酰胺聚碸納復合膜,以0 . 1 mgso _ 4溶液為測試液,所得高脫鹽平板復合膜( )在0 . 4mpa下,脫鹽率為96 . 1 ,通量達85 . 2l
  4. 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與碳酸鹽巖之間形成一個「過」 ,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。
  5. It is conclued that the filter layer can protect the core wall of earth - rock dam from flow erosion

    結果明,寬度不大的裂縫在合適的反保護下,能防止心墻土體被流沖刷。
  6. In this paper, on the basis of observed data, spatial - temporal variation characteristics of soil temperature and soil moisture. soil temperature effects on soil water movement are studied for several kinds of typical underlying surface by using statistics, spectrum, filtering wave methods

    本文首先根據幾種典型下墊面條件下的土壤( 1 - 1m )的土壤溫濕度資料,採用統計分佈、功率譜分析、波等方法分析典型下墊面條件下土壤熱分佈特徵及其相互作用。
  7. 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

    本文對粗石英砂料上向流過技術進行了理論和實驗研究,在單一的中待循粒徑最粗的底進,從粒徑最細的出,攻克了「反粒度過」的關鍵技術。
  8. Pilot - scale experimental results showed that, comparing to conventional gravity filtration, the up - flow filtration has greater capacity in containing removed suspended solid and producing filtrate under the test conditions. coarse media with particle diameter ranging 0. 63 - 2. 00mm were used in order to apply relatively higher backwash rate of 21 l / ( m2. s ) for achieving better media clean - up after a filtration run. under the test conditions, the media thickness ranging 82 - 85 iron, water temperature ranging 6 - 27, and influx turbidity of 30 ntu, it achieved the results of the average filtration rate ranging 16 - 18 m / h, the average effluent turbidity of 1 ntu, and action cycle ranging 14 - 24h

    中試研究結果明,粗石英砂料上向流過比傳統的重力流過具有更大的含污能力和產量,為適用較高的反沖洗強度( 21l ( m ~ 2 ? s ) )以便料清洗更干凈,採用粒徑范圍為0 . 63 2 . 00mm的粗石英砂料,厚82 85cm ,溫6 27 ,進濁度為30ntu左右等情況下,能獲得平均速為16 18m h 、平均濁度為1ntu左右、周期達14 24小時的好效果。
  9. Most of this area was shallow - lake, semi - deep lake and deep lake sedimentary environment, except that the area around the well ou44 was a set of steep - slope fan - delta and the dawan area was a set of small - scale fan - delta. there were fan - delta, turbidite - fan, shallow - lake, shore - marsh, semideep - lake and volcano - debris facies. in the area of the well ou39 and ou44, fan - deltas developed both in the middle and the top strata of the third member of the shahejie formation

    研究明,粗面巖sio _ 2含量較高,流動性小,容易形成巨厚的巖鐘或巖錐,對成藏有利,同時其位於構造高部位,由於其大部在面之上,冷卻時間長,易於從容結晶,同時還有大量裂縫作為儲集和滲的空間,使其成為良好的儲
  10. The results show that the main pollutants are ss and cod, and it is effective to treat the wastewater by manmade suspended layer process, and the quality of filtered water is satisfied with the standard

    結果明,加工海帶時正常排放廢的主要污染物是懸浮物( ss ) , cod含量也超過了排放標準,採用人工懸浮工藝處理海帶廢的效果較好,過后的質基本可以滿足排放標準。
  11. Constructing a forty - meter pipeline to carry the water, erecting barrels to filter dirty water, and using sand and stones to pave the surface and build a safe sidewalk

    建立40米的輸送管來運送流,以鐵桶過,並用沙土與石頭鋪蓋在,修建一條安全的走道。
  12. For the wastewater infiltration land treating systems, the growth of microorganism usually will not cause the clogging in inner of systems ; but the interception and adsorption of suspend substances often cause serious clogging in the shallow layer of systems

    對于污土地處理系統來說,微生物的生長一般不會導致系統內部產生堵塞,而懸浮物的截留、吸附常常會造成系統比較嚴重的堵塞。
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