water level measurement 中文意思是什麼

water level measurement 解釋
水位觀測
  • water : n 1 水；雨水；露；〈常作 pl 〉 礦泉，溫泉；藥水。2 〈常 pl 〉水體；水域；水道；海；湖；河；海域；...
  • level : n 1 水平儀，水準儀；水準測量。2 水平線，水平面；水平狀態；平面，平地。3 水平，水準；水位；標準；...
  • measurement : n. 1. 測量，計量，量度。2. 份量，尺寸，大小，寬度，厚度，深度（等）。3. 測量法。 measurement goods （按體積、容積計算的）體積貨物。
  1. 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。
  2. This paper narrates the status and use of the three kinds of water gauges installed in river embankments, lakes and plains in the song dynasty, with an evaluation of water level measurement being also presented

    記述宋代用於河渠、湖塘和平原上3種水尺的設置狀況和用途，對其水位量測技術進行評價。
  3. 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。
  4. Abstract : this paper describes the principle and the methed of the telecontrol system of water - level monitoring, which realizes the autom atic measurement of the water - level, transmitting of water - level signals by ra dio, and water - level display and preset - point alarm by use of microcomputer co ntrol technique

    文摘:主要闡述了遙控水位監測系統的工作原理及實現方法.該系統能進行貯水池水位的自動檢測、水位信號的無線傳輸，並能藉助微機控制實現水位的顯示和定點報警
  5. The process of eliminating the measurement errors for the water level of the vacuum container of condenser is presented

    摘要介紹了1次作為真空容器的凝汽器的水位測量偏差缺陷消除的過程。
  6. There are several important issues to that attention should be paid in the design of test bed, such as the measurement of the temperature difference between the inlet and outlet of test section and the temperature of cooling water in the inlet and outlet of condensing tubes, filled volume of the steam boiler and its level control, the determination of the natural acting head of high temperature tank and design of the cooling water flow of measuring tank

    試驗臺由高溫工質自然循環子系統、冷卻水機械循環子系統和計算機監測控制子系統構成，試驗段進出口溫差及冷凝管進出口溫度的測試、蒸汽鍋爐充注量及液位控制、高溫水箱自然作用水頭的設計、冷卻水流量計量水箱的設計等是試驗臺設計中值得重視的問題。
  7. Then makes a detailed study on the water - level sensor : analysis its working principles, measurement conditions and accuracy, at present, water - level sensor has various sorts and different prices, this paper makes a detailed research about the principle, characteristic and application of the cyg19 : solid - state pressure transducer. and then the text make a research about the system interference, including interference source, types, propagation path and anti - interference measure. at last, having experiments validates its practication

    目前，由於水位傳感器的種類繁多，價格相差也較大，本文就所選用的固態壓力傳感器cyg19系列小差壓傳感器的原理、特點及應用進行了詳細的研究；再次，對自動量水儀表系統的干擾部分，包括干擾的來源、干擾的類型、干擾的傳遞方式以及抗干擾措施進行了探討；最後，實驗驗證自動量水儀表的可適用性。
  8. Note 4 : installation dimension used in the cable and pole transmitter, if measuring range of well water - level is 10 m, installation dimension is 11 m, then extra 1 m use to installation regulating, actual measurement is 10 m and does not notice. cable type approves height regulation is 1 m pole type users should be detail noted the installation dimension

    注4 ：安裝尺寸在纜式及桿式變送器使用，如測量水井水位量程10m安裝尺寸11m ，則多出1m作安裝調節用，實際測量為10m ，不註明，纜式默認1m高度調節，桿式用戶應詳細註明安裝尺寸。
  9. Note 3 : installation dimension used in the cable and pole transmitter, for example measuring range in water - level of well is 10 m, installation dimension is 11 m, then extra 1 m acts as installation regulating use. actual measurement is 10 m and does not notice. cable type approves height regulation is 1 m, pole users should be detail noted the installation dimension

    注4 ：安裝尺寸在纜式及桿式變送器使用，如測量水井水位量程10m安裝尺寸11m ，則多出1m作安裝調節用，實際測量為10m ，不註明，纜式默認1m高度調節，桿式用戶應詳細註明安裝尺寸。
  10. Manufacture of water level sensors, water quality sensors, soil moisture sensors, water flow measurement, and basic weather monitoring sensors

    -全系列三坐標測量機產品的研發設計製造銷售服務和應用支持。
  11. The effect of hydrodynamics on the algal growth rate is mainly studied herein based on the analysis of the algal growth mechanism and the measurement data of the daninghe river which is a branch of three - gorges reservoir, and then an empirical formula of the algal growth rate related with water velocity is proposed for the daninghe river ; which can be used to predict the change status of the eutrophication of the branch when the water velocity is decreased with the increase of water level of the three gorges reservoir

    基於國內外對氣候條件和營養鹽條件對藻類生長速率影響研究成果基礎上，採用機理分析和實際案例分析相結合的方法，重點探討了以流速為表徵要素的水動力條件對藻類生長速率的影響特點，並且以三峽庫區支流大寧河為例，初步建立了流速對藻類生長速率影響規律的經驗關系式，為預測三峽庫區富營養化演變態勢提供基礎，進而為有效防治富營養化提供技術支撐。
  12. With the simplec algorithm, the flow equations are solved. the calculated distributions of water level and velocity well agree with field measurement

    將之應用於長江下游張家洲分汊河段的流場計算，對水位和流速分佈作了驗證，驗證結果與現場測量基本吻合。
  13. High precision and good innate safe character are needed in the measurement of oil tank multi - parameters such as liquid level and oil - water boundary

    油罐液位溫度參數的測量，要求較高精度和良好的本質安全性能。
  14. Measurement of liquid flow in open channels - specification of equipment for the measurement of water level

    明渠液體流量測量.液位測量設備規范
  15. Standard test method for on - line measurement of low - level dissolved oxygen in water

    水中低水平溶解氧在線測量的標準試驗方法
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