排水較好的 的英文怎麼說
中文拼音 [bèishuǐjiàohǎode]
排水較好的
英文
better drained-
In addition, this paper carry out successfully the support design practice in the preceding excavation of 4km long exploratory tunnel. according to the thesis research results, the following conclusion can be drawn. if the grouting rock can possess sound anti - seepage capability and the liner structure can hold higher hydraulic permeability relatively, and if the adjoining rock can be made as primary load - bearing structure by construction measure, the stability of country rock and the safety of liner structure will be guaranteed
計算結果表明,如果能使錦屏工程引水隧洞灌漿圈圍巖具有較好的防滲性能,將高外水壓力控制在灌漿圈以外,再配合透水性相對較好的支護結構以及排水措施,使灌漿圈圍巖成為主要承載結構,並使襯砌結構和灌漿圈共同承載,是可以保證圍巖的穩定和支護結構安全的。Some soils, such as sandy soils, have a loose crumb structure with good drainage, whereas in clay soils the particles are small and stick together to give a dense crumb structure and poor drainage
一些土壤例如砂土具有鬆散的結構,因而有良好的排水性,而在粘土中,由於土壤顆粒小而互相粘合導致粘土結構緊密排水性較差。During the adjustment. it decided the amount and the rate of humidification. the system can test the states of water level by water lever sensor, thereby the main control module can control the entrance and drain of water and give warnings ; as its good man - machine interaction, the system can expediently set the humidity and the amount of humidification and control water - in valve and leading winds through control panel. the system can communicate with computer thereby the net supervise is enabled
本系統主要能夠完成以下功能:採集空氣中的濕度狀態,並送入主控模塊,主控模塊根據現有的濕度判斷是保持原來狀態還是進行加濕以及加濕量的大小和加濕速度等;能夠通過水位傳感器測試水位的狀態,從而通過主控模塊控制進水、排水、預報警、報警等;具有良好的人機交互性,能夠通過控制面板比較方便地進行濕度設定、加濕量設定、進水閥的控制、導風的控制等;能夠和上位機進行通信,從而實現網路監控。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。The value calculated by the new model approximates the measure data, and the value that calculated by the whole depth mixing 2d model is much less than the measure data in the near field. this model is also superior to the traditional 2d model for its precision
可以看出,新建的部分水深平均水質模型計算值與實測值符合較好,而傳統的全水深平均模型在排放口近區范圍內計算濃度值及污染帶范圍明顯小於實測值。The conclusions from the paper were valuable in improving hydraulic characteristics of the urban drainage pumping station with side - inlet sump
研究成果對改善側向進水城市排水泵站水力特性、提高該類泵站的安全可靠性與高效經濟性具有較好的指導意義與實用價值。Aim at the present condition that the permeability of high rank coal reservoirs and its dynamic change regulation have been rarely studied, based on the modern testing technologies and actual measure data of coalbed methane ( cbm ) well with better drainage effect in qinshui basin, using the international advanced cbm well numerical simulation software ( comet2 ), the dynamic change regulation of the permeability of high rank coal reservoirs during gas recovery has been discussed, using the gas and water recovery process in divided stage is matched
摘要針對高煤級煤儲層滲透率尤其是其動態變化規律極少開展研究的現狀,基於現代測試技術和沁水盆地排采效果較好的煤層氣井實測排采數據,利用目前國際上較為先進的煤層氣數值模擬軟體comet2 ,採用分段擬合的方法對煤層氣井的產氣、產水過程進行歷史擬合和修正,進而對高煤級煤儲層滲透率在開采中的動態變化規律進行了探討。( 3 ) the investigation about the teaching experiment of practice and synthesis application can be concluded that practice and synthesis application has embodied the ideas and requirements of the standards of mathematics curriculum for compulsory education very well, achieved great success, accelerated the development of both teachers and students and contributed to the integral improvement of mathematics teaching of the country and city. the author also finds the scattered arranged contents of practice and synthesis application are feasible while the feasibility of centralized arranged contents should be highlighted. what is more, the teacher training should be strengthened
( 3 )實驗調查結果表明: 「實踐與綜合應用」內容較好地體現了《課標》的理念和要求;實驗效果好;對教師和學生的發展都有良好的促進作用;在農村和城市的實驗效果無顯著差異,有利於農村與城市的數學教學水平同步提高;分散安排的「實踐與綜合應用」內容可操作性強,集中安排的「實踐與綜合應用」內容可操作性還有待提高;對實驗教師的培訓還需要加強。The lining of a tunnel in the area with high groundwater table does not bear high external water pressure in - normal, the surrounding rock reinforced by intrusion concrete does it. in the case, the groundwater through reinforced rock accumulated in the space between lining and rock must be drained in time
一般鐵路隧道通過高水位富水區時,不用襯砌直接承受較高的外水壓力,要實現這個設計目標必須做好襯背的排水工作,使通過加固圈滲透過來的水量及時排走,及時削減累積的水量。( 2 ) from the viewpoint of growth, it has powerful branching ability. it is suitable to be transplanted in warm seasons such as spring and autumn, or in small rainfull period, and generally it is optimal in october and april. it is also suitable in topography and soil with good discharge capacity, and soil humidity should remain from 15 % to 70 %
( 2 )在生長發育上,迷迭香具有較大的分枝能力,適宜選擇春季和秋季溫暖、雨量不多的時期扦插,一般在10月和4月最佳,要求排水良好的地勢和土壤,土壤濕度應保持在15 - 70之間。The sediment model tests for the desilting bottom intakes of two hydropower stations are introduced herein, in which a new combined type of " grid desilting gallery + desilting bottom intake " ( grid desilting bottom intake ) is put forward
文中介紹了2個電站進水口排沙底孔的泥沙模型試驗情況,提出了一種新的「格柵式排沙廊道排沙底孔」的組合型式(簡稱格柵式排沙底孔) ,取得了理想的排沙效果,較好地解決了工程實際問題。Making use of many layers composite technique and heat press technique to make artificial skull, through a series of performance testes ( including elongate performance, compress performance, curve performance, concussion performance, lay cut performance, concussion cut performance ), making use of drainage method to calculate its average density, which is 1. 25kg / m3, and combustion method to calculate its content of macromolecule, which is 57. 7 %
利用多層復合技術和模壓技術制備來的人工顱骨復合材料,通過對其一系列性能測試(包括拉伸性能、壓縮性能、彎曲性能、沖擊韌性、層間剪切強度和沖擊剪切強度等) ,證明了該復合材料具有良好的物理機械性能。採用排水法計算復合材料的平均密度為1 . 25kg m ~ 3 ,採用灼燒法計算復合材料的含膠量為57 . 7 ,證明該復合材料比強度較高。The hydraulic characteristic of the inlet and outlet system which is an important part of urban sewage pumping station has a direct influence on the efficiency of the pump
進出水系統是城市排污泵站中的一個重要組成部分,進出水系統的水力特性對水泵性能有著直接的影響,良好的進出水條件可以使水泵裝置達到良好的運行狀態、獲得較高的效率。On the base of studying in arithmetic of predictive control, different math models are used to approach the control system. general water level control, pid control and predictive control using in sewage pumping station are compared. by simulating the different models using in control system, the conclusion that the aim of saving power and preventing pollution in sewage pumping station can be achieved by using predictive control is got
在預測控制演算法研究的基礎上,分析了用不同的數學模型逼近污水泵站排放系統,比較了採用常規水位控制、 pid控制和預測控制對污水泵站排放系統的控制效果,在模擬結果對比的基礎上,得到了採用預測控制可以更好的解決節能無污控制目標的結論。The papers and technical reports about the oil tank foundation treatment shows that in our country abundant experiences have been built up in dealing with the soft clay foundation, while there were few cases for sand foundation. analyzing the geological condition, the author proposed that the foundation soils at shuguang pump station belong to high - permeability sand layers
根據曙光泵站地區的地質條件,論文認為該區主要是一套以高透水性的砂類土為主的地層,粘性土層較薄且富夾薄層粉細砂,地基土的水平向與垂直向排水條件良好。The construction of small residential communities in our country are developing very quickly in recent years, but the design for water supply of small community are less available in the water supply and drainage design manual, design specifications and textbooks. when the designs are done, there is not a consistent formula, and the design results exist some problems. so this cannot be satisfied with the practical demands, which sometimes influence the safety water supply of residential communities
近幾年,我國大中城市的住宅小區建設發展快速,但目前我國現有的給排水設計手冊、設計規范以及教科書對生活小區的給水設計闡述的較少,生活小區的給水流量設計無章可循,計算公式不一致,設計結果往往有些出入,不能很好地滿足實際需要,影響小區安全供水。Abstract : based on laboratory test results, a model for predicting the residual deformation of soft clay under impact loading is proposed in this paper, which fits well with other test results. this model, considering several factors which affect the residual deformation such as confining pressure, impact energy and the number of impacting, can be used for the deformation prediction in the treatment of saturated soft clay by the drainage consolidation method of combining static and dynamic loading
文摘:在試驗基礎上建議了一個預測沖擊荷載作用下飽和軟粘土殘余變形的計算模式,該模式考慮了周圍壓力、沖擊能大小、沖擊次數和沖擊遍數等幾個因素.對計算模式的驗證表明,預測值與實測值吻合較好.該模型可用於動靜結合排水固結法處理軟基時的變形計算The affect of transaction costs on the benefits of stakeholders are accepted within the range of 10. 00 % - 50. 00 %. at present, public finance is used as compensation way to environmental benefits of forest resources, but from the long - term view, market creation of environmental benefits of forest resources is a better solution, government agencies will play important roles in institutional arrangements of environmental benefits of forest resources. outstanding of the paper are the following : firstly, time factor has been included in faustmann forest resource model ; secondly, more data are used to estimate tree growth models ; thirdly, time series models of environmental benefits of watershed forest resources are estimated to show time changes of environmental benefits of forest resources ; finally, transaction costs are included with regard to compensation fee institutional arrangements
分析結果表明:水源涵養林的環境效益顯著,與傳統的僅考慮木材效益的林業經營方式相比,考慮環境效益后將使林業生產實踐和社會福利發生變化;對水源涵養林環境效益給予小幅度的補償如2 . 00 10 . 00即能達到改善環境、提高經營者收益和社會福利的目標,補償水平提高到一定程度以後其作用效果減弱,在經濟水平較低的階段或地區可以選擇較低的補償標準,當經濟水平發展到較高程度以後,可以適當提高補償標準,逐步過渡到完全補償;考慮交易成本以後,使利益相關者的福利有所減少,交易成本幅度在補償標準的10 . 00 50 . 00的范圍內時影響相對較小;目前適合於採用公共支付體系的經濟補償方式,但從長遠來看,創建水源涵養林環境服務市場是一種比較好的補償方式,且政府在水源涵養林環境服務市場制度安排方面仍將發揮重要作用。The situation of wastewater discharge of domestic leather making plant was introduced briefly, and the wastewater separation treatment and comprehensive utilization well - done method of leather making wastewater disposal were put forward respectively, meanwhile the wastewater comprehensive treatment method which was suitable to most of leather making plants were proposed
摘要簡要介紹了國內製革廠污水排放情況,並分別提出了一種廢水分隔治理和綜合利用相結合較好的處理製革廢水的辦法;同時還提出了適合國內大多數製革廠的廢水綜合治理方法。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下,該結果與biot - geertsma理論的結果在形式及數值上幾乎完全一致,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排水條件下,分別證明了carroll的應力-應變關系中不排水體積模量、 kuster散射波理論的體積模量與biot - geertsma理論是完全一致的。分享友人