水流改向 的英文怎麼說
中文拼音 [shuǐliúgǎixiàng]
水流改向
英文
water flow diversion- 水 : 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...
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 改 : Ⅰ動詞1 (改變) change; transform 2 (修改) revise; alter; modify 3 (改正) rectify; correct 4 ...
- 水流 : 1. (江河) rivers; streams; waters2. (流動的水) current; water flow; fluent; flow; [水文] stream current
- 改向 : change direction
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The water onflow can be made by the direction changing and rib like spirals guide, it can strength the ability of heat absorption
水在特殊結構內的改向和模肋式螺旋導向促成水的湍流,加大了吸收熱量的能力。4. engineering dhqase ( arod ) - deficient e. coli mutant with a second copy of the arob gene gene targeting technique was used to disrupt the arod gene in e. coli chromosome. the mutant 31bk was engineered, in which homologous recombination of the arobkanr gene cassette into the arod locus ( arod : : arobkanr ) of the e. coli strain atcc31884 genome utilized the helper plasmid pkd46 with red system. the host cell 31bk lacked catalytic activity of dhqase ( arod ) and had a second copy of the arob gene, so it improved carbon flow into the quinic acid biosynthesis direction
構建宿主菌基因精確定位突變株31bk ( arod : : arobkan ~ r )為了改變代謝途徑脫氫奎尼酸( dhq )分支點上的代謝流量,使之充分流向目的產物奎尼酸合成方向,利用基因打靶技術構建了31884宿主菌arod基因精確定位插入突變體,使dhq脫水酶( dhqase )失活,阻斷了碳代謝流流向芳香氨基酸生成的方向,同時用同源重組的方法將arob基因定位整合入染色體上,解除了限速酶對碳代謝流通過共同途徑到達dhq的阻遏影響,並減輕代謝負擔。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水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討,取得以下主要成果:一、結合小灣工程導流洞改建,對高水頭( 252m ) 、大泄流量( 1400m ~ 3 s )條件下旋流式豎井中的水流運動特徵進行了比較全面的測量,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水流水力計算方法,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、對豎井下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,歸納出豎井水流總摻氣量估算方法,為導流洞排氣方案的設計提供了參考依據;六、在高水頭、大流量條件下,豎井空腔段下部流速很高,盡管水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。Abstract : the distribution of cooling air which is in the grille - brick of the inner combustion hot air stove has been simulated with three dimension turbulent mathematical model so as to find a method which is used to improve the distribution of cooling air in hot air stove. the influence of differential horizontal plates on the distribution of cooling air is discussed. the results show that original big circle round field of flow in the pillar - cavity is changed into full one - way field of flow and edges gas flow, at the same time, is increased by horizontal plates. there is a different function with horizontal plates and vertical plates. to make the uniform distribution of cooling air in the hot air stove, it is necessary that horizontal plates and vertical plates are used in a combined way
文摘:應用紊流三維數學模型模擬內燃式熱風爐內冷風在格子磚柱中的分佈,尋求改善其分佈的途徑.討論了加設不同布置的水平導流板對氣流分佈的影響.模擬結果表明,在支柱空腔內加設水平導流板改變了原有大迴旋流場,使迴旋流變成大面積的單向流.通過在支柱空腔內加設水平導流板可以發展邊緣氣流,這恰好與加設豎直導流板的作用相反,水平導流板和豎直導流板的結合使用有望實現冷風在格子磚柱中的均勻分佈According to the background information from the above, the facts of the combination, expansion and quick development of wut, and the strategic significance of the world ' s economy and the development of university, and from the angle of history, reality and the future, to a large degree, this paper analyzes three strategic environment faced by university, that is : intellectual economy and the world ' s new technical revelation ; marketing economy and modernization of china ; the popularity of education and the reform of chinese higher leaning system. through a thorough analysis of thirty six comprehensive universities and science and engineering colleges owned by the national education department, and through comparison between typical universities, this paper also objectively analyzes the strength and advantages of the development of wut on the aspects of subjects, trade and scale, and the disparity existed in subject strength, scientific and technical ability, qualified personnel construct and the economic base. through those analysis, it points out several problems in the development of university, such as " no common idea, no complementary subjects, no fixed core, no unified campus " and etc. therefore, a basic conclusion is drawn, that is " generally speaking, wut ranks among the second class of the nation ' s higher learning groups, and which possesses many potentialities to help itself step into the first class universities
本課題正是從上述背景出發,緊密結合武漢理工大學合併、擴招和大發展的實際,從世界經濟和大學發展的高度,從歷史、現實和未來的角度,大范圍、多層面、寬視野地分析了學校發展所面臨的知識經濟和世界新技術革命、市場經濟和中國現代化建設以及教育大眾化和高校管理體制改革三大戰略環境,通過對育部所屬36所綜合及理工類高校的整體分析和典型大學的個案對比,比較客觀地分析了學校發展在學科、行業和規模三方面的實力與優勢以及存在的學科實力、科技能力、人才結構和經濟基礎等四方面的差距,指出了學校發展中「無共同的理念、無互補的學科、無凝聚的核心、無統一的校園」等問題,並得出一個基本結論:學校總體位居全國高校第二集團水平,具有向一流大學邁進的基礎,同時,相比國內一流大學又有很大的差距。Based on analysing all kinds of sediment silting basins and their suitable conditions, the traditional sedimentation basin has been improved in three aspects, i. e., setting an adjusting flow board in the fore of setting basin, adding a spillway trough along the flow direction, and redesigning the flush gallery by adding auxiliary flushing facilities
摘要在對各種類型沉沙池及適用條件進行分析的基礎上,通過在沉沙池的首部加調流板、在溢流堰上沿水流方向設溢流槽、對沖沙廊道進行改進並設置輔助沖沙設施這3個方面對傳統沉沙池進行了改進。By varying flow velocity and the concentration of hmi ( hg2 + ) in influent water and adding usual cations ( ca2 +, mg2 + ) or anions ( cl -, so42 - ) into raw water, the effects of hmi removal by wbaer and cations exchange resins from dk have been contrasted
試驗中通過改變流速(通過離子交換柱) 、進水中重金屬離子( hg2 + )的濃度以及向原水中引入天然水體中常見的陽離子( ca2 + 、 mg2 + )和陰離子( cl 、 so42 )等方法,比較了弱堿性陰離子離子交換樹脂和陽離子交換樹脂對飲用水中微量重金屬離子( hg2 + )的去除效果。National standards of english course ( experimental edition ) explicitly indicates : the focus of reform of english course is to change the situation of putting more emphasis on grammar and lexical explanations, and of the tendency of overlooking learners " language performance on actual occasions. the reform advocates experience, practice, participation, collaborative and communicative learning style and task - oriented approach based on learners " interests, life experience and cognitive level, aiming at developing learners " comprehensive abilities
國家《英語課程標準(實驗稿) 》明確指出: 「此次英語課程改革的重點就是要改變英語課程過分重視語法和詞匯知識的講解與傳授、忽視對學生實際語言運用能力的培養的傾向,強調課程從學生的學習興趣、生活經驗和認知水平出發,倡導體驗、實踐、參與、合作與交流的學習方式和任務型的教學途徑,發展學生的綜合語言運用能力。 」They diverted the river to supply water to the town
他們使河流改道以便向城市供水。He actually purchased the farm my father was raised on. there was a large gorge that ran through this farm. the river had changed course and taken all the dirt away and then when it changed course, it created a huge island and there were several acres of soil that could be planted and harvested, but there was this incredible crevasse which kept them from doing that
伯伯在農場會做的一件事,事實上那農場是他向祖父買下來的,爸爸也在那兒長大祖父決定要把橫跨農場的一條溝填平,河流改道導致巨大河谷峽谷形成,裏面沒有泥土,河水把泥土都帶走了,它改道時形成了一個巨大島嶼,那裡有好幾Equity and efficiency view in water resources distribution is discussed. the direction idea and basic principle are brought forward
結合對東陽?義烏水權交易案研究,提出了河流水資源配置體制改革的方向和措施。At a short distance from the shore they turned, and were soon concealed by the projection of the bank, under the brow of which they moved, in a direction opposite to the course of the water.
離岸沒多遠,他們就改變了方向,人馬都被河岸的陰影給隱蔽住了,他們沿河岸邊的懸巖逆著水流前進。By stirring water with the impeller, splash water to the air evenly and widely, strengthen the pond water ' s flowing circulation, make pond water dissolve into oxygen and death of fish, shrimp and eel, raise the breeding density, quicken the growth so to achieve high and stable yields
通過葉輪攪水,把水均勻而彌散地潑向空間,加強池水流動循環,使池水溶入氧而稀釋和排出有害物質,增加水中的溶氧量,改善水質,防止魚蝦鰻浮頭死亡,提高養殖密度,加速生長,從而達到高產穩產。In order to increase the energy dissipation of stepped spillway at iarge unit discharge, the integhty dissipater of aerated splitter pier and steppe characteristics is studied. because of verticaj diffhaion now by aerated splitter and impachng steppe 3 by drop flow, the air concentration and the energy dissipation efficiency are greatly increased ; the potentiality of cavitations is decrease. in special at large unit discharge, this effect is more obvious
摻氣分流墩的增加,明顯地改善了階梯面上的壓強分佈,消除或減小了階梯凹角內和立面上部的負壓;由於摻氣分流墩使水流縱向擴散以及挑流落下后在階梯上的撞擊,使水流的摻氣濃度和消能率都得到較大的提高,降低了階梯面空蝕的可能性,特別是在大單寬流量時,這種效果更為明顯。At the same time, figures involving attribute data about flow field at inlet and outlet downstream or wave motion of water at the downflow head of lock chamber of siyang navigation lock were displayed through gis application system which we developed. according to data of baoying navigation lock acquired by mathematics model, figures about velocities which have the same value, velocities toward cross direction which have the same value and flow field at inlet and outlet upstream were formed. achievement data, space information and attribute information were in connection with figure so as to search for and analysis the information, which is satisfying
同時完成了江蘇泗陽船閘下游引航道非恆定流及其改善措施的計算分析研究和寶應船閘上游引航道口門區水流條件計算分析研究,運用gis技術和所設計的gis應用系統對泗陽船閘下游引航道內流場以及下閘首水位波動情況進行信息顯示,根據對寶應船閘的計算結果生成上游引航道口門區等流速圖、橫向流速等值線圖和流場圖,使計算分析成果數據、空間信息、屬性信息與圖形顯示有機結合,便於查詢分析,效果令人滿意。Associated drainage, street lighting, landscaping, watermain diversion, retaining walls and slope works, and other ancillary works
有關渠道街燈地勢水流改向護土墻及斜坡,及其他附屬工程。Application of elbow inlet passages in the technical innovation of pressured lateral intake pumping staton
肘形進水流道在有壓側向進水泵站技術改造中的應用The basic idea is to sequentially change the direction or relative flow rate of the two incoming rinsing water streams so that the flow field induced dead zone, formed during the first rinsing period, can be most effectively rinsed
主要想法乃在於分段改變兩入漕洗滌水流之方向或相對水量,以便將于首段洗滌時段中因流場特性所形成的停滯區,以最有效的方式洗除。Alot of water supply corporations encountered the crisis of system and managementpattem seriouslysecondly, the only way of the development of water supply corporations isreform, and reform needs correct theory
供水企業改革本質上是經濟體制改革的一個環節,建立現代企業制度是其改革的主流方向和基礎步驟,要切實轉換產權制度和經營模式。And distinctive layered patterns in the fossilized sediments indicated that the water that deposited them was no longer flowing north ; instead it flowed eastward
而化石沉積物中特有的層狀構造,則顯示沉積泥沙的水流不再往北,而改向東流。分享友人