水位能 的英文怎麼說
中文拼音 [shuǐwèinéng]
水位能
英文
water potential-
Objective to test both normal adult fenrrets and mature ferretswhose pinna and concha had been removed bilaterally in infancy for their ability to localize sound relatively in the horizontal plane
目的研究正常雪貂和自幼切除耳廓和部分外耳道的雪貂對水平方向聲音的相對定位能力,研究耳廓外耳道對它的影響。In order to reduce the re - deposit volume of the dredged channel, the method must be based on decreasing the oncoming sediment, changing the mouth site, builting the sediment control dam and raising the reservoir level
為了最大限度地減小疏浚挖槽的回淤量,必須依靠控制上游來沙量、調整入水口門位置、加設防淤堤及提高庫水位等手段,而不能通過調整挖泥槽寬度、位置及數量等措施來達到目的。Electronic water level control dry run protection and thermofuse
另備有電子式水位控制乾涸警號等功能Electronic water level control, dry run protection. heating elements protected by thermofuses
另備有電子式水位控制乾涸警號等功能。At first, this paper analyzes the factors of water - sand influencing water level of yellow river and the feasibility just using the factors of water - sand to study water level, and collects the corresponding data ; secondly, because there are strong nonlinear relation in the corresponding data, by meticulous theory analysis, this paper integrates basic nonlinear analysis method, theory of random analysis, method of least squares and so on. it puts forward a method which can get the high accuracy simulation of the data, perfects the multi - factor analysis of variable ( over three factors ) of the statistic ; thirdly, it applies the method to the approximation of corresponding water level process which belong to the capacity of sand of middle - high and middle - low, and get the high - accuracy simulation about the typical nonlinear relation ; at last, this paper definitudes the main influence mode that the capacity of sand. it mainly unite with other factors to work on the water level in the yellow river lower reaches ; mor eover, this paper analyzes the difficult point and the direction of improvement to realize the accuracy forecasting of the flood level of erodible - bed channel
首先,系統分析了影響黃河水位的水沙因素,及僅用水沙因素有效研究水位的可行性,並按變量對應思想採集它們的相應數據;其次,由於相應水位過程數據中含極強的非線性關系,本論文經細致的理論分析,將基本的非線性分析方法、統計建模方法、隨機分析理論、最小均方誤差原則等等數學理論及方法有機揉合,提出了能有效實現這類數據高精度擬合的分層篩選法,並改進了統計學中多因子(三個以上)方差分析法;再次,將這一方法用於黃河中高及中低含沙類洪水相應水位過程的擬合,實現了這一典型非線性關系的高精度擬合,各年汛期上下游相應洪水位過程的擬合誤差都較小;最後,明確黃河下游含沙量對水位的主要影響方式,即含沙量主要是與其它因素聯合對水位作用;另外分析了要實現變動河床洪水位過程準確預報的困難所在及改進方向。From roundwood reservoir in county wicklow of a cubic capacity of 2, 400 million gallons, percolating through a subterranean aqueduct of filter mains of single and double pipeage constructed at an initial plant cost of 5 per linear yard by way of the dargle, rathdown, glen of the downs and callowhill to the 26 acre reservoir at stillorgan, a distance of 22 statute miles, and thence, through a system of relieving tanks, by a gradient of 250 feet to the city boundary at eustace bridge, upper leeson street, though from prolonged summer drouth and daily supply of 12 1 2 million gallons the water had fallen below the sill of the overflow weir for which reason the borough surveyor and waterworks engineer, mr spencer harty, c. e., on the instructions of the waterworks committee, had prohibited the use of municipal water for purposes other than those of consumption envisaging the possibility of recourse being had to the importable water of the grand and royal canals as in 1893 particularly as the south dublin guardians, notwithstanding their ration of 15 gallons per day per pauper supplied through a 6 inch meter, had been convicted of a wastage of 20, 000 gallons per night by a reading of their meter on the affirmation of the law agent of the corporation, mr ignatius rice, solicitor, thereby acting to the detriment of another section of the public, selfsupporting taxpayers, solvent, sound
但是由於夏季久旱,再加上每天供水一千二百五十萬加侖,水位已降到低於排水口。都市監察官兼水道局技官土木工程師斯潘塞哈蒂奉水道局的指示鑒于有可能會像一八九三年那樣被迫利用大運河和皇家運河那不宜飲用的水,除了飲用外,下令一律禁止使用市裡供應的自來水。尤其是南都柏林濟貧院,盡管限定用六英寸的計量器,每個貧民每日配給十五加侖水,然而在市政府法律顧問辯護律師伊格內修斯賴斯的監督下,經查表證實,每夜要浪費兩萬加侖水,從而使院外的社會各階層也就是自費並有支付能力的納稅者們蒙受損害。Ground water is lowered by the drainage which can be caused by any deep excavation.
任何一種深的挖方都能造成排水現象從而使地下水位降低。( 4 ) the maximum water quantity becomes greater, the better is the filtering bed permeability, the higher the river hydraulic conductance, the higher the river level, the larger the water - collecting area and the bigger the distance between collecting pipes. the water quantity varies directly with drawdown
( 4 )濾床的滲透性能越好,河床水力傳導系數越高,河水水位越高,取水面積越大,取水管之間的間距越大,則最大取水量越大;水位降深與取水量成正比關系。For jiangpinghe double - curved arch dam, 3 - d elasto - plastic fem is made, in which the point safety factors of the dam - abutments system and the safety margin for coefficients of sliding resistance on 7 potential sliding blocks of the dam before and after the reinforcement of the dam are calculated under the conditions of the normal storage level and the design flood level respectively based on the results from the analysis made with fem
摘要對江坪河雙曲拱壩進行了三維彈塑性有限元分析,利用有限元應力成果分別計算了正常蓄水位、設計洪水位等3種工況下加固前後壩體壩肩系統的點安全系數和7個可能滑動塊體的抗滑富餘系數。Some researchers have made study on this subject, such as the generation and evolution of frazil ice, shore ice, bottom ice, ice cover and ice jam, the resistance of freeze - up river, flow capacity and variation of water stage
國內外一些學者通過原型觀測,試驗和數值模擬的方法對水內冰,岸冰,底冰,冰蓋和冰塞的生成和演變,封凍河道的阻力、過流能力和水位變化等有關問題進行了研究。This indicates a hydrodynamic condition with a very marked potentiometric gradient.
這說明水動力條件具有很明顯的位能梯度。As the old specific water yield apparatus can not put up visually the influence of water level and its decrease depth on the specific water yield of incompact soil sample, a new apparatus is designed
摘要針對原有給水度實驗儀不能直觀反映地下水水位埋深及其降深對給水度影響的缺點,設計了能採用柱體法測定鬆散土體試樣的給水度的實驗儀。This model of electromagnetic valve has the single - way check function and a patent design of block - up resisting and is the ideal self control valve for the water supply system with a high level container or tank or the automatic water supply system with a high level container or tank or the automatic water supply facility required the function of adverse current prevention. the amalgamation inflicts to hike in the inflexions of can percolation function that purge
Fcd . 3 148f :進水口與出水口均為4分15外螺紋銅接頭該型電磁閥具有單向止回功能,專利防阻塞設計,是高水位容箱器供水系統或其他兼需防逆流功能的自動供水設備的理想自控閥門;並增加了過濾裝置。In atlanta, the largest metropolitan area in the south - east, 3m residents will lose their main source of drinking water by january if the level of nearby lake lanier continues its precipitous drop
如果附近的拉尼爾湖水位繼續急劇下降,生活在亞特蘭大(美國東南地區最大的都市區)的三百萬居民將有可能在明年一月份失去這賴以生存的飲用水源。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。Firstly, the status of our nation ' s water resources, flood and arid hazards is overviewed to illustrate the necessity for study on dynamic control of flood season limited water level. disadvantages in traditional limitsd water level design, static control of limited water level design, static control of limited water level and fuzzy limited water level curve are pointed out, and mending methods for these are introduced. dynamic control and its key problems are analyzed hi next section. the allowable range of limited water level is determined, so as the allowable extreme risk index. the definition of extreme risk is re - illustrated, risk analysis methods in reservoir operation is discussed either. according to the definition of extreme risk rate, the allowable extreme risk rate of reservoir is systematically demonstrated with variant extreme risk indexes and flood season limited water level
本文首先闡述了我國水資源狀況和水旱災害、說明水庫汛期限制水位動態控制研究的必要性;介紹了傳統汛限水位設計、汛限水位靜態控制、模糊汛限水位過程線存在的問題及其初步改進方法;分析汛期限制水位動態控制的方法及關鍵問題;進一步闡述了水庫極限風險率的定義;根據極限風險率定義,詳細敘述了不同極限風險指標時、不同汛期限制水位下起調,水庫所能承受的極限風險率計算方法。然後,基於極限風險率計算方法,以白石水庫為背景,研究「考慮壩體自身安全、考慮壩體安全與下游防護對象控制下泄流量的汛限水位動態控制的極限風險率」 。Scenes like this one have been playing out all day as rescue crews search out residents trapped because of the rising water
由於水位不斷上升,隨都能看到搜救被困居民的場景。The flow behavior of resin, water outlet structure at bottom of the mixed bed, water inlet position of hydraulic transportation, water intake ratio, and pneumatic transportation etc. have been analysed, giving out optimal selection of them combined with reality in the field
對樹脂的流動性能、混床底部出水結構、水力輸送進水位置、進水比例以及氣力輸送等進行了分析,並結合實際給出了最佳選擇。2. in order to improve the luminescence properties, cds nanoparticles entrapped in an acrylic acid - hydroxypropyl acrylate copolymer ( ac - hac ) network were synthesized by in - situ synthesis method
用原位合成法,以具有強配位能力的聚丙烯酸?丙烯酸羥丙酯( ac - hac )為基體在水溶液中合成了cds納米微粒。To adopt well irrigation and well drainage, develop and utilize ground water resources of irrigated area can not only effectively reduce the ground water level and prevent secondary alkalization of the soil, but also provide timely irrigation to crops through well and canal complementary
摘要灌區灌溉採用井灌井排,開發利用地下水資源,不但能有效降低地下水位,防止土壤次生鹽堿化,還可以通過井渠互補,使農作物得到適時灌溉。分享友人