水下全排水量 的英文怎麼說

中文拼音 [shuǐxiàquánbèishuǐliáng]
水下全排水量 英文
submerged total displacement
  • : 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...
  • : 下動詞1. (用在動詞后,表示由高處到低處) 2. (用在動詞后, 表示有空間, 能容納) 3. (用在動詞后, 表示動作的完成或結果)
  • : Ⅰ形容詞1 (完備; 齊全) complete 2 (整個) whole; entire; full; total Ⅱ副詞(完全; 都) entirely...
  • : 排構詞成分。
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 排水量 : displacement; withdrawal; tonnage; water discharge; water displacement
  • 排水 : drain off water; drain away water; dewatering
  1. The experimental results showed that in the condition of this experiment four algaecides all had strong removing rate on algae, and their removing rate increased with dose increasing, and decreased with algae density increasing. according to the removing rate on algae and cost value or so, the sequence of four algaecides from good to bad were potassium permanganate, copper sulfate, hydrogen peroxide and sodium hypochlorite. in the condition of this experiment, the suitable dose of potassium permanganate was 0. 8mg / l, the algal removing rate was beyond 90 % and the cost of this algaecide was only 0. 0068 / m3. the efficiency of algae removal by four algaecides for huanghe river water was studied. the results showed that the majority of huanghe river water was bacillaroiphyta, and the dominant genera was melosira, which reached 78 % ~ 94 %

    結果表明,在實驗條件,四種殺藻劑均具有一定的殺藻效果,藻類去除率均隨藥劑投的增加而提高;原藻類數影響殺藻劑殺藻效果,四種殺藻劑的藻類去除率均隨原藻類數的增加而降低;通過殺藻效果、經濟性以及安性等方面的綜合比較,對于以有毒藍藻為優勢藻屬的引灤,四種殺藻劑的優劣程度從優到劣序為:高錳酸鉀硫酸銅過氧化氫次氯酸鈉;在實驗條件,高錳酸鉀適宜投加為0 . 8mg l ,藻類去除率高於90 ,所需的藥劑費用僅為0 . 0068元m ~ 3 。
  2. In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively

    本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高頭、大泄流情況時存在的一些力學問題進行了研究和探討,取得以主要成果:一、結合小灣工程導流洞改建,對高頭( 252m ) 、大泄流( 1400m ~ 3 s )條件旋流式豎井中的流運動特徵進行了比較面的測,包括空腔形態、徑向流速分佈及井壁壓強等;二、提出了豎井空腔段螺旋力計算方法,其計算結果與實測值吻合良好;三、利用試驗與計算結果,對旋流式豎井的消能機理進行了探討,對豎井各部分的消能能力有了總體認識;四、對豎井部消力井的合理井深進行了優化試驗研究,發現消力井合理深度為0 . 9d左右;五、通過試驗研究,歸納出豎井流總摻氣估算方法,為導流洞氣方案的設計提供了參考依據;六、在高頭、大流條件,豎井空腔段部流速很高,盡管流螺旋運動引起的離心力可以確保井壁壓強保持正壓,但空化數依然較低,因此豎井的空化空蝕始終是工程界關注的重大問題。
  3. One way to help minimise pollution even before all expedient connections have been eliminated and a comprehensive sewerage system put in place is to build dry weather flow interceptors below pollution sources

    要清除所有非法接駁的污渠和擴展公共污收集系統至港各地需要一定的時間,目前為盡減低河溪污染,政府在污染源游建設了旱季截流設備。
  4. One side, groovy cast steel flap valves increase the head loss, waste electricity, the other side, when flap valves close, it always delay time because of it ' s low proportion. the bump load seriously threaten the safety of pumping station. through the research and development of flap valve used in the renovation practices in the design of air - filled floating flap valve in no. 1 chuhe pumping station of anhui province, the working characteristics and design methods of air - filled floating flap valve are studied in this paper

    但在拍門運行使用的同時,又時常暴露出一些缺陷,主要有:一是常規的鑄鐵或鑄鋼拍門加大了流道的頭損失,特別是對于裝機容較大的澇泵站,其電能損耗相當可觀;二是拍門在自重落關閉時,往往由於過多考慮頭損失導致浮重過小而延誤閉門時間,致使體倒灌,再因緩沖裝置失靈導致閉門時門體對門框撞擊力很大,嚴重危及站身安
  5. Qualitative analysis on the effect of flood control and engineering safety -, seizing lots of water conservancy effective adjust storage. then making water level risen and reservoir backwater enlarged in the same flow level ? effect on beach and the buildings across river, soil salinization caused by flow from a lower to a higher place and unsmooth groundwater drainage destroy of travel resource caused by disorder enclose tideland for cultivation in reservoir silt up flood plain are given, then presents enclose tideland for cultivation dyke is important cause which water level rise in reservoir

    本文從青銅峽庫泥沙淤積入手,分析庫泥沙淤積特性和庫區圍墾堤開發利用淤積灘地的現狀,對防洪安及工程安的影響、侵佔大的有效調蓄庫容、造成同級流位抬升庫回上延、對沿岸及過河建築構成影響、因位抬升致使庫區周邊灌區地不暢乃至倒灌而造成土地鹽堿化、對庫庫區大淤積灘地無序圍墾造成旅遊資源破壞等五方面影響的定性分析,提出庫區圍墾堤是位抬升的重要原因。
  6. Facing to the reduction of the water diversion from the yellow river for hetao irrigation district inner mongolia autonomy, and giving attentin to agriculture production and improvement of salinization, this paper researches optimization model of district water - saving irrigation water management. the paper also quests for the optimization model of crop irrigation system and the optimization irrigation strategy aiming at the short of water for agriculture. in order to save water and use water high efficiently, this paper researches the change regulation of irrigation system of spring - wheat that is the important crop in the irrigation districted establishes the multidimensional dynamic model of irrigation rules of spring - wheat. lt also makes the simulation model of salt leaching of fall irrigation rules during non - growing period, and sorts the elements influencing water - saving of irrigation system

    在內蒙古河套灌區的引黃減少又要兼顧灌區的農業生產和土壤鹽漬化向良性發展的形勢之,本文針對灌區內區域灌溉管理的現狀,對灌區內區域節灌溉管理優化模型進行了研究。研究針對農業資源短缺的現狀,在節灌溉條件,對作物的灌溉制度進行優化模型探索,尋求最優灌溉策略。文圍繞節與高效用,綜合應用了系統分析、灌溉及節灌溉的原理和知識,研究了灌域內主要作物春小麥的灌溉制度的變化規律,建立了春小麥灌制度的多維動態優化模型;建立了非生育期的秋澆制度的鹽分淋洗模擬模型;對節灌溉管理的影響因素的重要性進行了序研究。
  7. In spite of modifying coefficient, a modifying term is used to modify brandt ' s theory of sphere grain model ; this term ' s expression has been acquired, and the result is identical to biot - geertsma ' s theory in form and quantity, in which the two classics theories is in perfect harmony. it is also confirmed that the constitutive relation of carroll and n. katsube theory, and the bulk modulu of kuster scattered waves are identical to biot theory

    在工程中的絕大多數情況,該結果與biot - geertsma理論的結果在形式及數值上幾乎完一致,從而使這兩個不直接相關的經典理論較好的統一起來。 ( 3 )在土動力學中常用的不條件,分別證明了carroll的應力-應變關系中不體積模、 kuster散射波理論的體積模與biot - geertsma理論是完一致的。
  8. Such as choosing water - supply method of high - building with indefinite synthetical assessing ; some suggestion on design of basement reservoir for heath, safety and saving ; in the design of high business - living building how to make water of hydrant system to be used by sprinkler systems ; finally introduces some other methods of design of water supply & sewerage of high - building in south china

    如:運用模糊綜合評判方法來對高層建築給系統進行給方式的選擇;從衛生,安,節約等角度對地室貯池的設計提出一些建議;探討了在高層商住樓消防系統設計中,如何將自動噴滅火系統用和消火栓系統聯系起來;最後還介紹了一些南方地區在高層建築給設計中的一些經驗和方法。
  9. Having reviewed the local situation including our laboratory capacity to conduct full virological screening test of consignments at an acceptable level in case of further suspected outbreaks in the region, the limited availability of local facilities to quarantine consignments on detection of sick birds and the public health risks arising from the accommodation of large quantities of chickens on a daily basis at our crowded retail markets, we considered it prudent for the daily import of live chickens from may 12 onwards at the current level of about 30, 000 and review how the new quarantine arrangements are working

    我們考慮本地情況后,包括當亞洲鄰近地區再次爆發懷疑禽流感個案時,本港實驗室是否有能力在符合認可標準為進口雞只進行面病毒甄別測試;鑒于本港隔離設施有限,當發現病雞時有否足夠設施隔離雞只;以及在環境擠迫的零售市場內經常積存大雞只對公共?生所構成的風險等,結論是為謹慎起見,由五月十二日起每天從內地進口的活雞數目維持在現時三萬只的平,並且會檢討新的檢驗檢疫安的運作。
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