backwash 中文意思是什麼

backwash 解釋
回浪；逆流；反動；反響；餘波。

  1. Backwash effects are said to operate where the economic growth in one region of an economy has economic adverse effects on the growth of other regions.

    當經濟的某一地區的經濟增長對另一地區的增長發生不利影響時，據說是回波效應在起作用。
  2. On cet spoken english test and its backwash effect

    談大學英語口語考試及其反撥作用
  3. And backwash and white sharks and all that stuff.

    還有逆浪和大白鯊之類的. .
  4. Kzlseries air self - cleaning fi zfl automatic backwash devices

    Kzl系列空氣自潔過濾裝置
  5. And backwash and white sharks and all that stuff

    還有逆浪和大白鯊之類的
  6. A study on the backwash of college english reading tests

    大學英語閱讀測試的反撥作用探析
  7. The backwash of the passing boat took us a surprise

    那艘經過的船造成的回浪讓我們措手不及。
  8. The backwash of the passing boat took us by surprise

    那艘經過的船所造成的回浪讓我們措手不及。
  9. This rock was shaved by the backwash of the crashing waves

    這塊巨大的巖石是由巨大的回浪沖擊而成的。
  10. This model can describe the effect of backwash and time - varying influent conditions on biofilters

    該模型能動態描述進水及反沖洗過程對生物濾池狀態和處理效果的影響。
  11. As backwash is the key of renewing and keeping up the function of filter, so some factor optimization experiments of backwash have been done. the optimum operating parameters of air scour and water backwash of ceramics media are chosen by multiple factors experiments : qa = 15 l / s ? m2, qw = 5 l / s ? m2, t1 = 1min, t2 = 5min, t3 = 5min

    經多組實驗正交分析結果后得出了塗鐵陶粒濾池反沖洗實驗的最佳參數組合：氣沖強度15l / s ? m2 ，水洗強度5l / s ? m2 ，單氣預沖1min ，氣水同時反沖洗5min ，單水漂洗5min 。
  12. Regional theory directs space locating of daily urban system periphery in daily urban system or broader region range. centre - periphery theory require the development of daily urban system periphery think over radiant function of daily urban system center, and try to make trickling - down effect have more power than backwash effect. competitive edge theory and innovation theory explain that daily urban system periphery plays an important role in daily urban system in chongqing municipality and supports a selected measure of accelerating development in beibei district

    區位理論指導著都市圈外圍區在都市圈及更大區域范圍中的空間定位；核心一邊緣理論則要求，都市圈外圍區的發展應充分考慮都市圈核心區的輻射作用，並積極實現「涓滴效應」強于「回波效應」 ；競爭優勢理論和創新理論則認為，都市圈外圍區在重慶都市圈中將會扮演重要角色，也支撐著北暗區實現加速發展的途徑選擇。
  13. This paper aims to illustrate the necessity of testing oral english ability in college english test by studying the status quo of college english teaching, backwash effect and validity, then puts forward some suggestions on oral english testing methods and how to improve college students ' oral english ability

    從當前英語口語教學的現狀、測試對教學的反拔作用、測試的效度這幾方面探討了增設專科英語口試的必要性，並就口語測試方法以及如何提高學生口語能力提出建議。
  14. While the smuggler s cigarette boat attempts to escape, a black hawk helicopter dips down to create a giant backwash

    低飛的黑鷹直升機產生強大氣流，阻截走私快艇。
  15. 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。
  16. 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。
  17. Further, full - scale experiments were carried out and the results demonstrated that the up - flow filtration with coarse media was efficient in removal of suspended solid, backwash of cleaning, and long action cycle. an effluent turbidity of 1 ntu was always achieved with an average filtration rate of 20 m / h

    生產規模的運行實驗顯示粗石英砂濾料上向流過濾對懸浮顆粒的去除是有效的，反沖洗干凈徹底，過濾周期長，當平均濾速為20m h時，出水濁度為1ntu 。
  18. The results showed : fiber ball has the highest efficiency among the three, its water - consumption is small in backwash and it is more wear - resisting ; the comprehensive property of quartz grain filter material is poorer ; manganese grain has an effective removal of fe ( superscript 2 + ) and mn ( superscript 2 + ) but water - consnmption is big

    結果表明纖維球濾料除鐵濾速高，反沖洗耗水量小且耐磨損；石英砂濾料綜合性能次之；錳砂雖然除鐵效果較好，但反沖洗耗水量大。
  19. 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

    中試研究結果表明，粗石英砂濾料上向流過濾比傳統的重力流過濾具有更大的含污能力和產水量，為適用較高的反沖洗強度（ 21l （ m ~ 2 ? s ） ）以便濾料清洗更干凈，採用粒徑范圍為0 . 63 2 . 00mm的粗石英砂濾料，濾層厚82 85cm ，水溫6 27 ，進水濁度為30ntu左右等情況下，能獲得平均濾速為16 18m h 、平均濾后水濁度為1ntu左右、周期達14 24小時的好效果。
  20. The last backwash of the westward movement followsthe backwash which was to solve the seemingly inextricable diplomatic difficulties, and to put an end to the military unrest of the period

    來自西方的行動遇到了最後一次逆流。這股逆流必須解決外交上似乎無法解決的難題，結束這一時期的軍事行動。
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