測壓水位 的英文怎麼說
中文拼音 [cèyāshuǐwèi]
測壓水位
英文
piezometric level-
Mathematical model for coil - coding control rod position detector in pwrs
壓水堆線圈編碼控制棒位置探測器的數學模型Abstract : this paper introduces the programming essentials and methods for monoboard computer 8098 to realize water level ' s pressure compensation, and analyses the causes of water level ' s deviation in drum boiler occurring in the course of measurement
文摘:本文介紹了單片機8098實現水位壓力補償的編程要點及方法,分析了測量中汽包鍋爐水位產生偏差的原因。The flume experiment with single spur dike is carried out. water surface profile and velocity field of flow in flume are measured by manometer tube and propeller current meter respectively
首先進行了單丁壩水槽實驗,採用測壓管和旋漿流速儀對實驗水槽中水流的水位以及流速場進行了詳細的測量。The flow - measuring system adopts the khafagi flume as the first sense organ to realize the flow / head signal conversion. the head signal is picked up and converted into voltage signal by the buoy - level mechanism and the magnet - resistant angle measuring sensor
該流量測量系統採用卡發基水槽作為一次敏感器件實現了流量水位的信號轉換,並通過浮子?杠桿測量機構和磁阻式角度傳感器對水位信號進行拾取並轉化為電壓信號輸出。Instruments for stage measurement - part 2 : pressure - type stage guage
水位測量儀器第2部分:壓力式水位計This dissertation describes the studying of the whole construction of water - saving irrigation expert control system, the realization of hardware and software and low - cost soil - moisture sensor which is needed for water - saving irrigation. the distributed control system based on bus. according to real - time data of soil - moisture, water - level of sump, pressure of tube, etc. and irrigation knowledge in expert knowledge bases, it can make decisions such as when to irrigation, the water quantity to irrigation and the cost and benefit of the irrigation
本文對節水灌溉專家控制系統的總體結構、軟硬體實現以及節水灌溉急需的低成本土壤水分傳感器進行了研究,系統採用了基於總線的分散式控制結構,根據實時檢測的土壤水分、水槽水位、管道壓力等實時參數,知識庫的作物灌溉知識,分析決策灌水時間、灌水量、灌溉成本及灌溉效益。( 4 ) water flow model experiment is made and hydraulic pressure variation is observed, " the detainment and displacement " of semipervious aquifers in the process of decreasing water is also studied
(四)模擬二元結構土層,進行土樣滲流試驗,觀測水壓的變化,研究弱透水層承壓水在降水過程中的「滯后和位差」現象和問題。According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system
針對研製任務的要求,課題期間研製了下位機系統硬體和軟體,開發了上位機監控軟體,其中所作的具體工作包括:測量原理的研究和在系統中的實現,在本次設計中用三種方法來進行水位測量,分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法;主控晶元的選擇,我們選用了高集成度的混合信號系統級晶元c8051f021 ;實現了信號的採集和處理,包括信號的轉換和在單片機內的運算;高集成度16位模數轉換晶元ad7705在系統中的應用,我們完成了它與單片機的介面設計及程序編制任務;精確時鐘晶元ds1302在系統中的應用,在此,我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬,該晶元的應用給整臺儀器提供了時間基準,方便了儀器的使用;另外,針對研製任務的要求,還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測,該部分的實現是通過採用ad421晶元來完成的,本設計中完成了ad421與單片機的spi介面任務,協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系,並完成了程序設計;與上位機的通信介面設計,該部分通過兩種方法實現: rs232通信方式和rs485通信方式;系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。Information on the nearest approach together with an estimate of the minimum central pressure of each tropical cyclone during its closest approach, the maximum winds at king s park and chek lap kok and waglan island, the minimum mean sea - level pressure recorded at the hong kong observatory and the maximum storm surge ( the excess of the actual water level over that predicted in the tide tables ) recorded at various tide stations in hong kong are included
資料包括熱帶氣旋最接近香港時的位置及時間和當時估計熱帶氣旋中心附近的最低氣壓、京士柏及赤?角及橫瀾島錄得的最高風速、香港天文臺錄得的最低平均海平面氣壓以及香港各潮汐測量站錄得的最大風暴潮(即實際水位高出潮汐表中預計的部分) 。Information on the nearest approach together with an estimate of the minimum central pressure of each tropical cyclone during its closest approach, the maximum winds at king s park and waglan island, the minimum mean sea - level pressure recorded at the hong kong observatory and the maximum storm surge the excess, in metres, of the actual water level over that predicted in the tide tables recorded at various tide stations in hong kong are included
資料包括熱帶氣旋最接近香港時的位置及時間和當時估計熱帶氣旋中心附近的最低氣壓京士柏及橫瀾島錄得的最高風速香港天文臺錄得的最低平均海平面氣壓以及香港各潮汐測量站錄得的最大風暴潮即實際水位高出潮汐表中預計的部分,單位為米。Application of m estimation in measured data analysis of piezometric level for earth dam
估計在土石壩測壓管水位實測資料分析中的應用Compared with traditional transducer, the vector detection technique can get the acoustic vector signal ' s spatial direction information
相對于傳統的聲壓水聽器矢量水聽器檢測技術能檢測到的包含空間方位信息的聲矢量信號。The in - situ testing includes surface deformations, sub - surface movements, earth pressures, pore water pressures, underground water levels, spt, stresses of pipes and pipe - soil contact stresses. in addition, the total jacking forces, deviations in line and level of the pipe line and earth pressures in the earth pressure balance machines ( epbm ) are also recorded. the results of field - testing are analyzed, and the variety of testing datum include earth pressures, pore water pressures and underground water levels during the course of the shield through it are studied
現場測試內容包括地面變形、深層土體變形、土壓力變化、孔隙水壓力變化、地下水位變化、土體標準貫入試驗、管道內力變化、管土接觸應力變化以及頂管施工現場記錄(包括頂力、土壓力、平面偏差、高程偏差等) 。The cause of vacuum degree formation under groundwater table is discussed in the paper. the testing results show that vacuum degree above the groundwater table is produced directly by pumping air, and that vacuum degree below groundwater table is produced mainly by dewatering and by escaping of sealed air from the end of flexible pipe. based on the bernoulli equation, the limit lowering of groundwater table is analyzed, which is about 5 ~ 7m. the effective influence depth of vacuum preloading has relationship with pvds depth and can be more than 10m
對地下水位線以下的真空度成因進行了分析,結果表明,地下水位線以下測到的真空度是由於測試軟管中水位下降或部分封存氣體從軟管末端逃逸引起的,與地下水位線以上的真空度由抽氣直接形成在成因上存在不同;根據伯努俐方程,對地下水位下降的極限深度進行了分析,得出真空預壓中地下水位的極限下降深度為5 7m ;對有效影響深度的分析結果表明,真空預壓的有效影響深度與塑料排水板的打設深度具備一定關系,有效影響深度可以超過10m 。4. the hardware of electronic control system is developed. it includes display module whose tasks are man - machine interaction, displaying humidity and temperature, setting humidity, time, date and week, communicating with computer ; power device module which provides power of all modules and drives control equipments to accomplish intention of main control module and can provide zero crossing protection circuit, excess voltage and under voltage protection circuit and excess current protection circuit ; water sensor group, the responsibilities of which are testing the states of water and send the states to scm, then the scm control the water level after judging the states
開發並實現了電控系統的硬體部分,包括顯示模塊:主要負責人機交互,顯示濕度、溫度,修改濕度、時間、日期、星期,和主控模塊通訊;電源驅動模塊:主要提供各個模塊的電源,驅動被控設備,實現主控模塊的意圖,並能實現繼電器的過零保護,過流、過壓、欠壓保護;水位傳感器組:負責測知水位的狀態,並把此狀態送入單片機,單片機經過判斷、處理反過來控制水位,實現水位的閉環控制。Gsm wireless communication water lever and flux recorder is applied to collect data about the pressure and flux of water, working status and alarm messages and send messages to the monitor and management center in sms mode
Gsm無線通信水位/流量監測記錄儀主要採集現場的水的壓力、流量等數據以及工作狀態和報警資訊,並通過sms方式將資訊上傳到監測管理中心站。The design of intelligent differential pressure measurer of steam drum water level
智能差壓式汽包水位測量儀的設計The test result indicates that the output voltage and water level of the sensor show linear relationship, the sensor can be used for water level detection of boiler
測試結果表明:傳感器的輸出電壓與水位高低變化呈線性關系,可用於鍋爐水位的檢測。In situ pore water pressure measurement
原位測試原位孔隙水壓力量測Ignore and construct issue of quality testing the reasons in many aspects have : on one hand, engineering construction square quality - mind thin, paying special attention to progress, take benefit simply ; on the other hand, the traditional detection method taking pressing water as main means, because its is time - consuming, strenuous, influences the construction speed, high characteristic of fabrication cost, make the unit in charge of construction and owner all unwilling to carry on the quality testing work
忽視施工質量檢測的問題存在多方面的原因:一方面,工程建設方質量意識淡薄,一味的抓進度、要效益;另一方面,以壓水試驗為主要手段的傳統檢測方法,因其費時、費力、影響施工進度、造價高等特點,使施工單位和業主都不願意進行質量檢測工作。分享友人