測流橋 的英文怎麼說
中文拼音 [cèliúqiáo]
測流橋
英文
bridge for stream-gaging-
Based on the observed runoff data, more accurate designed flow to a culvert or a small bridge may be obtained by curve fitting on frequency curve of pearson type iii distribution
精度較高的橋涵水文設計是基於所在地實測的徑流資料，採用頻率曲線的適線法獲得。It makes the deduction on design tidal level process more reasonable than ever. finally, taking into account the observed data of tidal level are much more integrated than observed data of tidal discharge and the correlative relationship are established based on large numbers of samples. then, the sub stage maximum tidal discharges and tidal velocities are obtained according to the regressive equations and the observed tidal level, and the sub stage design maximum tidal discharges and tidal velocities are estimated by way of frequency analysis
最後，針對橋位河段實測潮流資料短缺而潮位資料相對完整的實際情況，基於大量樣本建立了潮流量與潮汐要素的相關關系，利用實測長系列潮位資料得到分期最大潮流量、潮流速系列，經頻率分析確定了分期設計最大潮流量、潮流速。Abstract : based on thestatic wind force factors of a tower and on the root - mean - square of the buffetingdisplacement responses of the tower top, which are measured by wind tunnel tests inlaminar and turbulent field respectively, the static and buffeting internal forces of thetower bottom control sections under its design wind speed are obtained by linearsuperposition method and fem
文摘:基於均勻流和紊流風場中的橋塔模型風洞試驗所測得的橋塔空氣力靜力系數及塔頂抖振響應的位移均方根，採用線性疊加法及有限元法反演，給出設計風速下塔底控制截面的順風向靜風及抖振內力。At the aspect of hardware design, it adopts pulse distributor and the technology of single polar voltage drive to accomplish the function of controlling and driving stepmotor ; it adopts the technology of pulse width modulation and cmos h - bridge drive to accomplish the function of controlling and driving dc servomotor ; it adopts d / a convertor to accomplish the function of controlling ac transducer ; it adopts the technology of digital phase detection to accomplish the function of detecting the feedback position signal of induction phase shifter ; it adopts dsp ’ s capture cell to accomplish the function of detecting the feedback position signal of photoelectric coder
硬體方面，採用脈沖分配器和單極性電壓驅動技術實現了步進電機的控制和驅動功能;採用脈寬調制技術和cmos互補h橋驅動技術實現了直流伺服電機的控制和驅動功能;採用d / a轉換器實現了交流變頻器的控制功能;採用數字化相位檢測技術實現了感應移相器位置反饋信號的檢測功能;採用dsp的捕獲單元實現了光電編碼器位置反饋信號的檢測功能。Analysis on measuring discharge coefficient on the bridge of hydrology station in huma bridge
呼瑪橋水文站橋測流量系數分析Contents of cd, pb, cu and zn in duckweed and alternanthera philoxeroides there were determined. as a result, high loadings of zn and cu in both plants were found ; in the duckweed, high content of pb was also observed
對香花橋中小河流中生長的水葫蘆和水花生cd 、 pb 、 cu 、 zn的含量進行測定，結果表明這兩種水生植物zn和cu的累積量均很高；而浮萍對pb也有明顯富集。It is important to keep the bridge voltage low in order to avoid a self-heating of the measuring element by the bridge current.
保持電橋低電壓很重要，以避免橋路電流測量元件自熱。Verification regulation of the dc bridges for measuring temperature
直流測溫電橋檢定規程The paper takes an example of condensed gas feild in qianmiqiao buried - hills. based on the research of formation and development of the buried - hills, three important subjects in the research are discussed with the application of advanced technical and methods ( namely, balanced cross sections, analysis of carbon isotope, mensuration of reservoir fluid inclusion ) : ( 1 ) the development of karstification and characters of reservoir in ordovician ; ( 2 ) lower tertiary ( es3 ) source in the depression nearby ; ( 3 ) the hydrocarbon generation history, migration phase and reservoir formation history
論文以千米橋潛山凝析氣藏為例，在研究潛山形成演化基礎上，採用先進技術手段（平衡剖面技術、碳同位素分析、儲層流體包裹體測定） ，討論了該潛山油氣藏研究中三個重要問題： （ 1 ）古巖溶發育與奧陶系儲層特徵； （ 2 ）臨近凹陷下第三系油氣源： （ 3 ）油氣生成史與運移期次以及成藏歷史。Manufactures and supplies components for precise and reliable measurement of pressure, level and vacuum on processes involving corrosive, viscous, clogging fluids
-主要有lcr數字電橋系列電容測量儀，電感測量分選系列漏電流測試儀系列耐壓測試儀。This paper introduces the initiation principles and c alculates the burst current of bridge foils that is measured by rogofiski coil, a nd the results are consistent with those computed initiation model. this s hows the validity of measurement results and the accuracy of experimental models
介紹了橋箔起爆機理，計算了爆發電流，採用羅果夫斯基線圈對橋箔的爆發電流進行測量，其結果與計算值符合得很好，說明了橋箔起爆模型的準確性和測量結果的有效性。Abstract : this paper introduces the initiation principles and c alculates the burst current of bridge foils that is measured by rogofiski coil, a nd the results are consistent with those computed initiation model. this s hows the validity of measurement results and the accuracy of experimental models
文摘:介紹了橋箔起爆機理，計算了爆發電流，採用羅果夫斯基線圈對橋箔的爆發電流進行測量，其結果與計算值符合得很好，說明了橋箔起爆模型的準確性和測量結果的有效性。- the focal point of this paper is studying the problem of cargoes ? weight measurement, besides the component of mechanical system, the component and control of electric - control system, the full - digital dc speed adjustment system and the hardware and software design of plc control system. this paper puts forward the project of current static measurement method and corrects it with acceleration dynamic measurement
本文除分析介紹了集裝箱橋吊的機械繫統組成、電控系統的組成及控制、全數字直流調速器以及plc控制系統的軟硬體設計外，重點研究了集裝箱裝卸橋中的貨物稱重問題，提出了應用電流靜態測量法的稱重方案，並且採用了加速度動態測量法對其進行動態校正，在實際應用中取得了令人滿意的效果。With the retrospection of the developing course of the bored pile foundation and combining with my practical experience, the paper expatiates upon the design principle of percent of fit of the stone - fill grouted concrete and the main factors of the influence strength target, and the final pile technique introduction of the hollow pile of the stone - fill grouted concrete and the precast prestressed concrete ; baesd on the theory of slurry hydraulics, empirical calculation formulas of the radis and height of diffuse slurry are deduced in this paper ; it analyzes the test pile materials of the hollow pile foundation, such as luoyang yi river bridge and dangwang jian river bridge ; the new technique of the hollow pile, which provides the generalization and application with base materials, expounds its feasibilities, adaptabilities and economy
本文通過綜合分析國內外鉆孔樁基礎的發展歷程及研究現狀，重點討論了填石壓漿混凝土空心樁、預制預應力混凝土空心樁的成樁工藝、填石壓漿混凝土的配合比設計原理及影響強度指標的主要因素；根據泥漿水力學原理，導得了考慮各種因素的水泥漿液在預填骨料中的流動影響半徑和上升高度；結合河南省洛陽伊河大橋、黨灣澗河大橋工程實踐，討論了填石壓漿混凝土空心樁基礎的質量檢測方法及標準；並在此基礎上，深入分析了樁側、樁端承載能力，提出了填石壓漿混凝土空心樁的設計計算理論和方法。最後，論證了空心樁新工藝的可行性、適應性、經濟性，為大力推廣應用空心樁新技術提供了可靠的技術資料。Through measuring slope forms on the spot, serried sampling, physical and chemical analyzing, and measuring soil erosion from natural and artificial rainfalls, the project researched in the approaches and behaviors of soil erosion affecting contents of soil carbon and nutrient, and the law of soil carbon and nutrient distributing in micro - topographty under influences of soil erosion. in the same time, supported by geographic information system, models of soil carbon and nutrient changing with soil erosion have been built, and spatial processes of soil erosion affecting soil carbon and nutrient have been simulated, and annual and long - term changing of soil carbon and nutrient under impact of soil erosion have been estimated and forecasted, and synchronously, a elementary assessment for different soil erosion management has b een performed by using the models built in the study
本研究以三峽庫區秭歸縣水田壩鄉王家橋小流域四個徑流試驗區二十個標準小區為研究對象，通過坡形實地測量、坡面密集采樣的顆粒分析和養分含量分析以及人工模擬降雨實驗，研究了土壤侵蝕對土壤碳和養分的影響途徑和表現，侵蝕作用影響下土壤碳和養分在微地形空間的分佈規律；同時，在地理信息系統的支持下，建立了侵蝕條件下的土壤碳和養分變化模型，模擬了侵蝕對土壤碳和養分影響的空間過程，預測了侵蝕影響下土壤碳和養分的年變化及多年變化，並通過研究建立的模型對不同侵蝕控制措施進行了初步的效益評價。Third, mensurated the front axle ' s load - time history when truck was running on general tar - paved roads, mountainous roads and the proving ground enhancement roads, second sampled and pretreated to the load - time history with rpc software of mts corporation, acquired the relationship of the frequence of the mean and amplitude load, obtained the zero mean equivalent loads using goodman experiential fatigue equation, acquired the weibull distributing functions of equivalent loads of respective roads
第三，測定了汽車前橋在一般瀝青公路、山區公路和試驗場強化試驗路面的載荷時間歷程。對載荷時間歷程進行了二次采樣和數據預處理。採用雨流計數法得到了各路面的載荷均、幅值的頻次關系，並根據goodman經驗疲勞公式，得到了零均值的等效載荷及相應的頻次。The results showed that the water quality pollution of the whole basin is not serious and can achieve the water quality standard of this region basically
結果表明：流域水質具有明顯的區域差異，在14個典型監測斷面中，福山水閘下和新夾河橋2個監測斷面水質污染較為嚴重，宮家島等4個斷面水質較好，其餘斷面水質良好。For example, when the design flow of upward of the peace bridge of upward of the east - one main canal is 45m3 / s, the actual flow quantity is 23. 8m3 / s on the 30th of september in 1989, the water level of the transition region terminal of the mouth of hao wan flume of the east - one main canal had gained the design level of 4. 3m, and the level between downstream and shang tian yuan tunnel was generally higher. it says that the actual discharge capacity now is only about 24m3 / s which is half of the design value. this not only make the benefit of the irrigation district abnormal, but also greatly hinder the economic development of the irrigation district, and lead to the canal run frequently at small flow, high water level, lengthen the discharge duration
如東一乾渠上段太平橋以上設計流量45m ~ 3 s ， 1989年9月30日實測通水流量23 . 8m ~ 3 s時，東一乾渠郝灣渡槽出口漸變段末端水位已達到設計水位4 . 3m ，其下游至上天院隧洞水位也普遍偏高，即東一乾渠上段目前僅能通過流量24m ~ 3 s左右，只有設計值的50左右，不僅使灌區效益得不到正常發揮，嚴重阻礙了灌區范圍內的經濟發展，而且使渠道經常處于小流量、高水位運行，延長了次通水時間，大大增加了渠道工程的安全管理難度。It will effect the system in safety and running economy directly > test of tradition past the method is an usage to give or get an electric shock the bridge method or direct current to press to decline the method to proceed to measure, and the electric current for producing of is only in the ma class which ca n ' t broke through the oxidize surface
高壓斷路器是電力系統中最重要的控制和保護設備之一，它對系統的安全、經濟運行有著直接的影響。以前傳統的測試方法是使用電橋法或直流壓降法進行測量，所產生的電流僅在ma級，不能擊穿觸頭氧化膜。Abstract : an experimental investigation of local scour around a new type bridge pier under a clear water regime is presented. the main characteristic feature of flow is relatively large horseshoe vortex flow along the circumference of the pier. and the procession of scour is discussed in this paper. equation for predicting the depth and area of local scour hole is presented. it is significant for evaluating the potential for scour around this type pier
文摘:介紹了一種新型橋墩即多腹薄壁墩的局部沖刷試驗成果.認為橋墩周圍的水流以繞流橋墩的相對較強的馬蹄型漩渦系為主要特徵.並討論了沖刷過程，給出了預測沖坑深度及大小的關系式，可供估算同類型橋墩的沖刷參考分享友人