水位變幅 的英文怎麼說
中文拼音 [shuǐwèibiànfú]
水位變幅
英文
amplitude of stage-
It is difficult to test the moving - load - induced dynamic vertical displacement of a floating bridge, because the vertical displacement of a floating bridge consists of the contributions from the structural deformation, the variations of the gaps between the pontoons and the variation of the draught, and it is much larger than that of an immovable bridge
摘要通載浮橋的動態位移,由於其位移幅度相對于固定橋要大得多,而且其垂向位移是由結構變形、間隙變化以及吃水變化等多種因素引起,一般難以對其進行動態位移測試。The wushan bank of three gorges reservoir has been divided into floodplain section, changing section from high level to below level and above flood level section
針對水庫庫岸再造預測的特點,將三峽庫區巫山縣段的巖質庫岸劃分為漫灘段、枯洪水位變幅帶、常見洪水位以上段3種類型。The spatial condition and both the technical and economic feasibilities for the layout of the light - court for the auxiliary powerhouse under the condition of higher fluctuation of the flood level downstream is basically analyzed ; in which the principles of the layout and both the spatial dimension and configuration are discussed, and then a actual design case is given with the preliminary evaluation on the ventilating and lighting effect of the light - court
初步分析了下游洪水位變幅較大等環境條件下,貫流式水電站副廠房設置自然通風採光天井的空間條件及其技術性和經濟性,討論了天井布置原則和空間尺度與形態處理,給出設計實例並初步評價了天井通風採光的效果。Efficient to lose fat, adopt micro - computer technology to make the vibration strongly effect on the abdomen, which part with most fat of the body. inner - desighed strong motor effect on the organism directly. unique auto change direction mode, makes the full dimension vibration of the organism
迴旋塑身腰帶運用微電腦技術,將強效振動裝置直接作用於脂肪最為集中的腹背部,內置的強有力的電動機直接作用於肌體,產品獨有的大幅度的水平移動自動變換方向運動模式,使肌體大范圍全方位共振,同時加快身體血液循環,微電腦控製程序可自動逐步增強產品運動力度,使用過程中自動轉換運動方向。In the summer stratified water column, the deeper the maximum depth of food distribution is, the stronger the dvm is performed ; the increase of the gradient of temperature in the thermocline layer can decrease the magnitude of the dvm and form the thermal barricade to the copepod ; the effects of the predation pressure on dvm is complex. on the one hand, the variations in the distribution depth of the predation pressure vs. the thermocline layer or the depth of the maximum food can modify the dvm patterns of the copepod. on the other hand, different predation pressure induces different dvm patterns
在夏季分層水體中,食物的最大分佈深度越大,動物向下遷移的幅度也越大;溫躍層的溫度梯度增大可以減小動物遷移的幅度,成為橈足類垂直遷移的溫度屏障;捕食壓力對垂直遷移的影響較復雜,一方面,捕食壓力的分佈深度與溫躍層或食物峰值的相對位置的變化能夠改變橈足類垂直遷移的模式,另一方面,捕食壓力強度不同,橈足類垂直遷移的幅度也不同,捕食壓力越大,遷移的幅度越大,當捕食壓力增加到一定程度,橈足類停止向上的遷移,大部分時間呆在水體深層,可能進入捕食壓力引起的「滯育」狀態。Normally water resources is affected by human activities and climatic change, but it is affected mainly by climatic change in runoff forming regions located in the high and middle mountainous area in the northwestern china. river runoff in the hexi inland arid region all originates from the qilian mt. area and the change of mountainous runoff resulted from global weather warming up and will bring an important effect to the development of society and economy in the hexi region. so the response on mountainous runoff and its changing trends are analyzed on the basis of the measured data of precipitation, air temperature, and discharges observed from some weather and hydrologic stations in the studied area. the results show that seasonal variation of mountainous runoff in the hexi inland region is mainly affected by the river ' s geographical location and supply source, and the yearly change by precipitation and that in the west of the region by air temperature besides precipitation. there are some obviously regional differences in the influences of climatic change on surface runoff in the hexi inland arid region, that is, rivers runoff in the west of the hexi area have been increasing and rivers in the east part have been decreasing, and the rivers runoff in the central part presented slowly increase trend, such as the heihe river, but it is not quite obvious
一般情況下,水資源的變化主要受氣候變化和人類活動的影響,但在位於我國西北內陸乾旱地區的中高山地帶,徑流的形成主要受前者的影響.甘肅省的河西內陸乾旱區是該省重要的工農業生產和經濟開發區,這里各項社會和經濟活動與出山徑流的變化都有著十分密切的關系.因此,筆者根據有關水文氣象臺站的降水、氣溫和徑流觀測資料,分析了以黑河、昌馬河、西營河等主要河流為代表的河西內陸區出山徑流的變化特徵與規律.結果表明,河西內陸區出山口徑流的季節變化主要受地理位置和河流補給來源的影響,而年際變幅則受山區降水量年際變化及變幅的影響十分明顯.目前,梨園河以西河流水量處于上升階段,梨園河以東的河流則處于下降的階段;以黑河幹流鶯落峽水文站年徑流為代表的走廊中部地區的出山口徑流正處於1990年開始的枯水段的上升段.但總體而言,河西內陸乾旱區出山口徑流的變化相對比較穩定.預計今後若干年內,河西內陸乾旱區東段河流出山口徑流的變化以偏枯為主,中段、西段河流出山口徑流的變化以平水或平水偏豐為主Based on the analysis of satellite images of various periods, landform data and river channel transverse section evolution in the lower yellow river, the characteristics of the river channel boundary condition changes at different location are clarified as middle flood channel flood transport width and area are evidently decreased especially for the main channel with comparison to 1950s, beach area that is unimpeded before become blocked because of road, irrigation channel constructed on it, and consequently intensify high edge of beach and lowering dyke and river
在現場查勘的基礎上,通過對丹江口水庫和小浪底水庫攔沙初期下遊河道演變、排洪能力變化特點的對比,分析了黃河下游防洪面臨的新形勢:小浪底水庫攔沙初期,下遊河道發生沖刷,但艾山以下窄河段沖淤變化不大,近年來形成的淤積萎縮的狀況難以很快改觀,游蕩性河段調整劇烈,工程出險機遇增大,河道水位流量關系中水流量以下部分同流量水位明顯降低,中水流量以上部分水位降低幅度可能會明顯偏小,防洪形勢仍不容樂觀。The experiment data shows that the region with large surface gradients in longitudinal and horizontal direction locates at the vicinity of spur dike. backwater appear upstream the spur dike, and there exist a recirculation area at the same side downstream the spur dike
實測水位資料表明水流縱橫向比降大的區域位於丁壩上下游附近,在丁壩的上游出現壅水,下游存在有收縮區和恢復區,離丁壩越遠縱橫向水位的變幅越小。The results indicated that with the change of water and sand condition and the altitude of tongguan and the development of the industry and agriculture in recent decades, the water environment of wei river had changed largely, which were shown as follow : annual runoff and seasonal flood decreased sharply ; water stream of large discharge decreased and the range of runoff decreased greatly ; sediment load per year decreased generally, sediment concentration of water increased, and the sand silting up was serious ; water channel swung and shrank, and water regime deteriorated ; frequencies of big floods decreased obviously, and hyper concentrated flood increased obviously ; water levels of the same runoff rose universally, and the frequencies of the floods increased and aggravated ; water pollution was very serious
結果表明,近期隨著水沙條件、潼關高程等的變化及工農業的發展,渭河的水環境發生了巨大變化,表現在年水量及汛期水量銳減;大流量級水流出現次數減少,水量減少幅度大;年輸沙量總體減少,河水含沙量增大,泥沙淤積嚴重;河道向擺動型發展,河道萎縮,河勢惡化;大洪水發生的次數顯著減少,高含沙小洪水明顯增多;同流量洪水位普遍抬高,洪災發生次數增加,洪災加重;水質污染極為嚴重。The shake wave appear in the datum of strain and ground deformation, the step change appear in the datum of water temperature and water level, and the ability difference of recording earthquakes is large
應變及地傾斜出現幅度不同的震蕩波,水溫和水位大部分出現明顯階變,且不同的儀器記震能力相差很大。For the medium and small sized hydropower stations equipped with through - flow turbines under the condition of higher fluctuation range of the tail - water levels, the internal space of the auxiliary powerhouse under the maximum tail - water level is almost closed with poor ventilating and lighting condition
摘要高變幅尾水位的中小型貫流式水電站,副廠房最高尾水位以下內部空間近乎封閉,廠房自然通風與採光條件較差。In general, the upward amplitude curve " curvature is larger, and it changes quicker. on the contrary, the downward is smaller and slower ; because the flare force contains the square of the wave elevation velocity, it results in an difference between the flare force frequence and the associated moving frequence ; the flare force decreases the downward amplitude of heaving oscillations ; the speed of ship has an ignorant effect on the peak values of three calculated values, but there is an obvious effect on the oscillating frequence ; the wave amplitude has an effect on the ship motion, and there is an linear relation between the oscillating amplitude and the wave amplitude on the whole. by the way, there are some experiences and lessons according to the progress calculation : before the calculation of the ship motion, we should checkout the balance in a calm water firstly, namely, the whole displace of ship and the longitudinal position of the center of gravity must be consistent with the draft in calm water, or else, the calculation may show the " floating " phenomenon ; the mixed language programming has a lot of virtues, but it exists a fatal limitation - the debug of dll
研究表明:在某些頻率范圍內相關水動力系數基本不隨吃水變化,只有超過某一頻率后水動力系數的值才會出現差異;在橫搖方向,水動力系數並沒有隨著吃水的變化發生規則變化,而是出現了波動現象;近船首剖面的水動力系數計算表明,水動力系數的波動非常大,並遠遠偏離了平均位置的水動力系數值,值的變化速率也不盡相同,總的看來,上振幅曲線曲率較大,變化較快,下振幅曲線曲率較小,變化較慢;外飄力和波面運動的速度的平方項有關,導致其振動頻率和相應運動方向的頻率不同;外飄力使升沉向下運動的幅值減小;船速對三個計算量的峰值影響甚微,但對振動頻率有明顯影響;波幅對船舶運動的影響是明顯的,船舶運動的幅值基本上和波幅成線性關系。It possesses the characters of high head, high velocity, long operation time and large variation range of water level
它具有水頭高、流速大、運行時間長、水位變幅大等特點。During the excavation of foundation pit, due to the wide variation in water lever, the huge head fall should result in drastic flow of the ground water, which will bring about a full influence on the deformation of the retaining wall and on the surrounding structures in a large - scale range
在深基坑開挖過程中,需大幅度降低基坑水位,巨大的水頭差將使得土體孔隙中的水運動趨向激烈,從而影響到基坑支護結構的變形,並由此對較大范圍內的鄰近地段的安全產生影響。The optimizing design for the equalizing system ensured cargo to move horizontally in luffing process, the design method of balancing system achieved ideally effect
補償系統的優化設計保證了貨物在變幅過程中優良的水平位移性能,對自重平衡系統的設計方法和準則可使系統獲得理想的平衡效果。The niche breadths of same plants vary greatly among different communities and the competitive relations of the plant species in different communities vary depending on the combined actions of the niches of the species, stable landforms and soil conditions, and annual rainfall fluctuations
同一種植物在不同群落中的生態位寬度變幅較大,不同群落內部植物種競爭關系的差異是由物種的生態位和由相對穩定的地貌、土壤條件以及隨年際變動的降水條件共同作用的結果。The water level of yongan well showed a large degree of continuous increasing from july 18, 2001
摘要2001年7月18日起,永安井水位出現持續的大幅度上升變化。The collapse mainly occurs in the low - water years or during the beginning of the dry season and rain season in a year. the formation and developing scales of the collapse are affected by many factors, such as karst caves, sola and water, etc. however, the taking of the underground water which causes the hydrodynamic conditions changed and the water level highly descended is a leading factor for the karst collapse. the mechanism of karst collapse is discussed based on long - term monitoring results of groundwater level and geological environment
塌陷的產生與發展規模受溶洞、土層和水等多種因素的綜合影響,但過量開采地下水導致地下水動力條件急劇改變或水位大幅度下降是造成塌陷形成的主導因素;進一步討論了泰安市巖溶塌陷的形成機理,在此基礎之上對泰安市巖溶塌陷的監測預報及對土地資源管理利用的影響進行了研究,並根據當地的防治實踐,提出了巖溶塌陷防治的對策建議。The design methods are expounded of equalizing horizontal and balancing deadweight for the jib - bridge system
闡述了對臂橋架變幅系統的水平位移補償、臂橋架自重平衡的設計方法。Finally, by using of the mathematical model, it is calculated and predicted the effect of the different tongguan riverbed elevations as well as the different conditions of incoming water and sediment on the variance of the flood elevation and the tend of aggradation and degradation of the lower weihe river bed. it is answered quantitively the lessening extent of sediment silt and the decreasing extent of the flood elevation of the lower weihe river after 14 years on two different incoming water and sediment conditions with three different tongguan elevations, respectively 328m, 327m and 326m. these results supply important references to the planning of flood control and comprehensive regulations of the weihe river basin
最後用驗證后的數學模型對不同水沙系列、不同潼關高程( 328m 、 327m 、 326m )下渭河下游的沖淤趨勢和洪水位的變化進行了預測計算,從定量上回答了潼關高程從328m降至327m (相當于潼關高程降1m )和潼關高程從328m降至326m (相當于潼關高程降2m )時,渭河下游14年之後各河段的減淤程度以及不同流量級洪水位的降低幅度,這些成果對于渭河下游防洪治理規劃的制定具有重要的參考價值。分享友人