水位測針 的英文怎麼說

中文拼音 [shuǐwèizhēn]
水位測針 英文
needle gauge
  • : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
  • : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : Ⅰ名詞1 (縫衣物用的工具) needle 2 (細長像針的東西) needle like things 3 (針劑) injection; sh...
  • 水位 : stage; water level
  1. Based on the demand of power department, a full distributed multifuncitional monitoring device is studied. this instrument not only can measure the data of hydroelectric plant, but also integrate the funcition of control the dynamotor, by cooperate with the program of epigynous system, it can realization the auto generate electricity on the hydroelectric plant and ordinal startup - stop of the dynamotor. 2 furthermore, performance of integrated dft arithmetic enhances the acturacy and reliability of measure. by communication several devices can run online to be controlled dispersedly and managed centrally

    本文分析了國內外電站自動控制裝置的研究和發展狀況,尤其是國內小型電站的自動化現狀,對現有電力部門的需求,設計並實現了一種單元式的微機自動監控裝置,該裝置不僅實現了對電站內各種模擬參數和數字信號的實時監功能,還對輪發電機組進行了調控,通過與上機處理程序的配合,可以實現電站的自動發電控制、機組順序啟停;在量發電機組機端電壓和電流參數的時候,採用32點離散傅立葉演算法( dft ) ,增加了量的準確性和可靠性;通過通訊可以實現裝置的聯網運行,做到「分散控制、集中管理」 。
  2. 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

    庫庫岸再造預的特點,將三峽庫區巫山縣段的巖質庫岸劃分為漫灘段、枯洪變幅帶、常見洪以上段3種類型。
  3. 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

    摘要對原有給度實驗儀不能直觀反映地下埋深及其降深對給度影響的缺點,設計了能採用柱體法定鬆散土體試樣的給度的實驗儀。
  4. By modeling of " y " - shaped junction of the compound river channel with an intersection angle 90, the flow velocity and water level at the junction were obtained by use of the acoustic doppler velocimeter ( adv ) and point gauges

    摘要通過製作交匯角為90的復式斷面河道" y "型交匯河口模型,利用三維聲學多普勒流速儀( adv )和獲取流速及數據,對支流河口處的流流態包括面形態、流流速和流分區進行分析。
  5. At present, whereas so many reasons such as its using function changing from irrigation to city water supply, the increasing of importance, the original design standard on the low side, the damage and aging of structure, the demand for seismic fortify in strong earthquake region and offering data of technical alteration for adding flux aftertime, it is important for safety and seismic capability of this aqueduct bridge

    目前,該渡槽使用功能由灌溉輸改為城市供、實際重要性提高、鑒于原設計標準偏低、結構的病害和老化破損以及地處強震區對抗震設防的要求,為日後加大流量進行技術改造提供依據,因而急需對渡槽作較詳細的安全可靠性評估和抗震性能評估。本文對該渡槽進行了原現場檢,並對其進行結構分析計算和結構的安全性能與抗震性能的評估等方面的工作。
  6. Due to issues of dongting lake districts flood composition, the evolution of sediment flow, the river and lake ( r & l ) distribution characteristic as well as the layout of r & l - dredging engineering, the article simulated the model of the dongting lake terrain change by using the gis technology and adopted the limited volumetric method to establish the two - dimensional hydraulics computation model of lake in order to forecast the water level, the flow capacity, the speed of flow and changes of flow field after implemented the project, which have provided the reliable theoretic basis for the decision - making and implementation of renovation for river course, canal and harbor and river course - dredging engineering

    摘要對洞庭湖區的洪組成、流泥沙演變、河道湖泊系分佈特點以及河道湖泊疏浚工程布局情況,利用gis技術模擬洞庭湖地形變化,採用有限體積法建立了湖泊二維力學計算模型預疏浚工程實施后的、流量、流速流場變化,為河道、航道港口整治、河道疏浚清淤等工程決策與實施提供了可靠理論依據。
  7. Groundwater level prediction is also a very important field in groundwater environment prediction. land subsidence, encroachment of sea water and deterioration of water quality and so on by artificial development have relation to sustained drop of groundwater level. after groundwater level change mechanism was analyzed, the establishment method of groundwater level prediction regression analysis model was explored. and the groundwater level development trend of some planning region with the model was predicted according to its change characters of groundwater level, wath ' s more, the prediction results was analyzed

    地下的預也是地下環境預的重要內容,地下在開采過程中所產生的地面沉陷、海入侵、質惡化等現象均與地下持續下降有關,本文在對地下變化機理分析的基礎上,探討了地下回歸分析模型的建立方法,並對某規劃區地下變化的特點,應用該模型對該規劃區地下發展趨勢進行了預,並對預結果進行了分析。
  8. The present utilization and existing problems in water resource of the north of huaihe river in anhui are introduced. based on such research objects as northern guo river of bozhou, jiangtang of fuyang and key city zones, a mathematical model with systems engineering viewpoint is established and used to investigate in water resource problems in the area. the main contents are as following : ( 1 ) groundwater resource and present utilization ; ( 2 ) mensuration of calculational parameters of groundwater and calculational methods ; ( 3 ) economic parameters of irrigation areas ; ( 4 ) establishing northern wo river forecast model with finite element method, areal well - group method and water balance method ; ( 5 ) establishing optimal water resource allocating model for northern jiangtang and new cihuaixin river irrigation area and investigating in the combination of surface water and groundwater, optimal agricultural planting - mode and optimal distribution proportion of various water sources ; ( 6 ) some existing exploitation problems and advices about water resource in the area

    本論文對淮北地區資源開發利用現狀及存在問題,以安徽亳州渦河以北地區、阜陽姜堂鄉和重點城市區為研究對象,運用系統工程觀點,採用數學模型方法,對該區資源問題進行了綜合研究,主要內容為: ( 1 )地下資源及開發利用現狀; ( 2 )地下計算參數定和計算方法; ( 3 )灌區經濟參數; ( 4 )採用有限單元法、面狀井系法、均衡法,建立亳州渦河以北地下模型; ( 5 )建立阜陽姜堂及茨淮新河北部的農灌區資源優化配置模型,應用系統分析的方法,研究地表與地下聯合運用,農業最優種植模式及各種源的最佳分配比例; ( 6 )淮北地區資源開發利用存在問題及建議。
  9. Based the humidity theory, the paper adopts the relative humidity as the character value and puts forward using 30 % rh and below 0c dew - point as the on - line monitoring critical value. it gives the method of volume ratio convert at the different temperature. with the standard value, we can conclude the result of moisture content

    對現有規程標準中控制分的指標的缺點和局限,提出了採用相對濕度作為監特徵量並轉換為露點以直觀表示設備絕緣狀況:採用30相對濕度及0以下露點作為監的臨界值與允許值;同時推導出了體積比單在不同溫度下的折算方法,以結合現有標準,綜合分析,做出判斷結論。
  10. In this paper aircraft has made vertical and synthetic detecting flying purposefully on 9. 17, 2003 according to cloud ' s macro and microstructure. vertical layers and representative places of stratiform cloud on 9. 17, 2003 are analyzed using the observational data of particle measurement system ( pms ), combined with satellite data, radar data, and precipitation data on ground. by this we have got cloud ' s microphysical structure and physical process of the natural precipitation, and the physical effect evidence has been testified according to observational data after lco2 seeding

    本文用綜合觀的方法,利用機載pms雲粒子探系統,根據雲系的宏微觀結構特徵進行有對性的垂直探飛行,配合衛星、雷達、地面雨量、雨強計網觀資料對2003年9月17日延安降性層狀雲系中那些有代表性的部或垂直分層做細致的觀分析,獲得雲系的微物理結構和自然降形成的物理過程,並用觀事實來驗證人工增雨引晶催化后的物理響應判據。
  11. 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

    對研製任務的要求,課題期間研製了下機系統硬體和軟體,開發了上機監控軟體,其中所作的具體工作包括: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量,分別是旋轉編碼器法、液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,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,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。
  12. How to obtain the useful biochdrical informaton on this scale is the new tren in the research fie1d of analytical chehascy therefore, single molecule detection, sing1e cell detection, dna ~ and the shaple dna analysis were one of the main research direeons ofanalytcal chendscy nove1 molecular probe and ultrasmali biosensor for real tiine and in vivo detection has been the focuses in the research field of analytical chendstry according to the above mentioned advanced direetions, two pnd of inveshgations has been pdrirmed in thes thesis

    人們對生命現象的觀察和研究已經深入到納米尺度和單細胞,單分子的平,如何在這樣一個尺度范圍內獲取有用的生物化學信息對分析化學的各個研究領域均提出了新的要求。單分子、單細胞檢、生物晶元的開發以及納米技術的應用漸漸成為現代分析化學研究的主流領域之一。可進行實時、在線、原、活體檢的分子探和超微型生物傳感器成為人們研究的熱點和重點。
  13. This article introduced the method of geological investigation of nanling tunnel karst disease, elaborated the tunnel engineering geology conditions, especially the karst water, the karst water power channel and the harm of karst water, and analyzed the cause that produced the karst disease

    摘要南嶺隧道巖溶地下活動造成地表坍陷、洞內泥砂淤塞等病害,其原因在於隧道施工遺留的導洞長期疏排巖溶,採用地質繪、物探、鉆探、文地質試驗等綜合勘察方法,查明地下通道置、地下流速、流向,對病害原因,提出攔截、封團、疏排、填充等綜合整治方案。
  14. For the present situation of seriously over - exploited groundwater resources and the rapid declining level of groundwater in the minqin oasis in the lower reach of shiyang river, as well as the induced effects of ecology and environment, the concept and calculation method of ecological water demand for restoration level of groundwater were provided, then ecological water demand for restoration level of groundwater from 2000 to 2019 is forecasted

    摘要對石羊河下遊民勤綠洲地下資源嚴重超采,地下持續快速下降的現狀,以及所引起的生態環境效應,提出了恢復地下生態需量的概念和計算方法,並且預出2000 - 2019各年恢復地下生態需量。
  15. The automation of coal flotation has been wandering for many years in china. the production efficiency is relatively low because of the feed forward control which adds the flotation reagent based on the fine coal in feed slurry, ignoring the quantity and quality of the products. aiming at this problem, method of measuring the flotation technical parameters was studied, the slurry level meter and the slurry ash - measuring device were worked out, and the computer control system of the coal flotation was designed. the feedback control was realized by using the fuzzy logic control control technology to regulate the reagent addition and the slurry level in the flotation tank according to the concentrate ash content detectedby the coal slurry ash - measuring device developed. the industrial experiment indicates that the performance inedxes of the coal slurry ashmeasuring device have come up to the advanced levek of the world. the application of the detection and control system in huaibei coal preparation plant results in a high concentrate recovery, a decrease of the reagent consumption, ensuring a highly efficient operation

    浮選自動化在我國多年來徘徊不前,一直採用根據入浮煤漿中的干煤泥量來確定加藥量的前饋控制方法,而不直接以產品的數質量指標作為控制目標,導致浮選生產效率較低.對上述問題,研究了浮選工藝參數的檢方法,開發了浮選漿儀和煤漿灰儀,設計了浮選計算機控制系統,它根據煤漿灰儀旁線檢的精煤灰分,運用模糊控制技術,通過調整浮選藥劑添加量和浮選機漿,來實現浮選過程的反饋控制.工業性試驗表明,煤漿灰儀的性能指標接近國外先進平.煤泥浮選控系統在淮北選煤廠的現場使用,使浮選生產在精煤灰分合格的前提下,得到了較高的產率,並降低了藥劑用量,從而保證選煤廠高效率地運行
  16. Abstract : the automation of coal flotation has been wandering for many years in china. the production efficiency is relatively low because of the feed forward control which adds the flotation reagent based on the fine coal in feed slurry, ignoring the quantity and quality of the products. aiming at this problem, method of measuring the flotation technical parameters was studied, the slurry level meter and the slurry ash - measuring device were worked out, and the computer control system of the coal flotation was designed. the feedback control was realized by using the fuzzy logic control control technology to regulate the reagent addition and the slurry level in the flotation tank according to the concentrate ash content detectedby the coal slurry ash - measuring device developed. the industrial experiment indicates that the performance inedxes of the coal slurry ashmeasuring device have come up to the advanced levek of the world. the application of the detection and control system in huaibei coal preparation plant results in a high concentrate recovery, a decrease of the reagent consumption, ensuring a highly efficient operation

    文摘:浮選自動化在我國多年來徘徊不前,一直採用根據入浮煤漿中的干煤泥量來確定加藥量的前饋控制方法,而不直接以產品的數質量指標作為控制目標,導致浮選生產效率較低.對上述問題,研究了浮選工藝參數的檢方法,開發了浮選漿儀和煤漿灰儀,設計了浮選計算機控制系統,它根據煤漿灰儀旁線檢的精煤灰分,運用模糊控制技術,通過調整浮選藥劑添加量和浮選機漿,來實現浮選過程的反饋控制.工業性試驗表明,煤漿灰儀的性能指標接近國外先進平.煤泥浮選控系統在淮北選煤廠的現場使用,使浮選生產在精煤灰分合格的前提下,得到了較高的產率,並降低了藥劑用量,從而保證選煤廠高效率地運行
  17. In light of the problem of the precision of flood forecasting being influenced by the data errors of rainfall and water stage caused by the failures of the communication and the relevant equipments of the gauging stations concerned, the techniques for the automatic hydrologic data collection and transmission system such as data extraction, examination of rationality, error identification, rainfall interpolation and the intelligent error correction are studied based on the analysis on the cause of the errors occurred in the system

    摘要對流域洪預報和庫調度中雨量站點可能因通信和設備故障引起雨量和數據錯誤,而影響洪預報精度的問題,通過分析文遙系統雨情信息錯誤的原因,研究文遙系統雨情數據的提取、合理性檢驗、錯誤識別方法、雨量插補、數據的智能化糾錯處理等技術。
  18. On basis of the concrete character of the whole reservoir bank, the reconstruction of reservoir bank is valuated and forecasted by means of analogy method, which means to acquire the ultimately stable slope angel of zone being affected by reservoir water after reservoir storing water by analogy to the slopes " configuration parameters of the yangtze river before the reservoir storing water

    對庫區的具體情況,採用現代長江河谷岸坡形態參數類推庫蓄后相應作用帶的最終穩定坡角,對145m和175m兩種庫條件下的庫岸再造進行了預和評價。預和評價結果表明,再造強烈的庫岸段累計總長4 . 05km ,占整個庫岸總長( 10 . 352km )的39 . 1 。
  19. In this paper, we analyze the statistic characters of time - delay in detail, and put forward to adopt elman nn to forecast time - delay intelligently, design appropriate compensator based on adaptive smith forecast theory. the experiment results prove that this method can improve the forecast accuracy and system ' s dynamic performance. in the application of real time data transmission, forward error correction ( fec ) is a good method to resume the lost data

    對這個問題本文進行了詳盡的統計特性分析,並且提出採用elman動態神經網路結構對網路時延進行智能預,並根據自適應smith預估補償控制原理設計合適的時延補償器,並且應用於基於web的二階控制系統中,實驗結果證明了採用此方法可以提高預精度,使時延補償器適應時延變化的動態性更強,從而在保證系統穩定性的基礎上,西安理工大學碩士學論文提高系統的時延補償精度。
  20. In light of cheng ' s balance container for measuring boiler barrel water - level, a new type instrument is introduced from its principle, characteristics and system composition etc. this new instrument has self - correcting funcion of water - level based on drum pressure ; and is of a high precision instrument for monitoring water - level of boiler barrels

    摘要對成氏平衡容器,從工作原理、特點、系統組成等方面,介紹了一種新型的汽泡控儀,它具有汽包壓力自動校正功能,是一種高精度的汽泡監控儀。
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