測量單位制 的英文怎麼說
中文拼音 [cèliángdānwèizhì]
測量單位制
英文
system of measures- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 位 : 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...
- 制 : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
- 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
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Charted with them, and guangzhou time units was preliminarily analyzed as well. secondly, the author introduced the way and the signification of temporal position analyse with examples. thirdly, taking on - the - spot survey method as a practical tool, the author obtained data of temporal distance between each time unit at the verge of different urban districts and the central time unit of the city
論文以廣州市為實證研究的對象,對廣州的市區范圍進行了時間單元的劃分並繪制出了時間單元圖,同時對廣州的時間單元滿意率進行了簡單的分析;接著以實例介紹了時間區位分析的方法和意義;然後利用實際測量法,在不同時間段測得廣州市時間中心到城建連片區各邊界點的時間距離,繪制出時間廓線,得出廣州市城建連片區的時間形態現狀及時間形態的日變化規律。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
本文分析了國內外水電站自動控制裝置的研究和發展狀況,尤其是國內小型水電站的自動化現狀,針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水電站內各種模擬參數和數字信號的實時監測功能,還對水輪發電機組進行了調控,通過與上位機處理程序的配合,可以實現水電站的自動發電控制、機組順序啟停;在測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 ) ,增加了測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」 。Ibm - pc acts as higher - up administrant computer ; and mcs - 51 singlechip acts as lower lever gauger. the date acquired from singlechip will be sent to the high - up administrant computer. in computer, those date will be processed and displayed and so on
夾具部分採用solidwork軟體設計;而數據採集處理控制部分為「兩級測量控制系統」 ,即以ibm - pc作為上位管理機, 8032單片機構成的單片機系統作為下位監測機。Pressure sensor and hygrothermograph sensor are adopted respectively to sense these change ; a plc and its analogue cell are adopted to collect and analysis the data ; a mcgs component software is used to process and store the data in real time
給出了以壓力、流量和溫濕度傳感器為測量元件、以plc為主控制器、 plc模擬單元為數據轉換單元的詳細硬體設計、程序設計和組態軟體mcgs在上位機的運用。The as - grown crystals were characterization by cutting and directional, x - ray diffraction, high resolution ohmmeter, ir transmission spectroscopy, visible light absorption spectroscopy, scan electronic microscopy ( sem ) and positron annihilate time technique ( pat ). the ir transmittance of czt single crystals grown with cd - riched is about 53 %, while 23 % with no cd riched
採用解理實驗、 x射線衍射、電學性能測試、紅外透過譜測試、可見光吸收譜測試、 sem蝕坑分析、探測器的試制等分析測試方法,並首次採用正電子湮沒壽命譜分析方法來研究czt單晶體的空位缺陷,綜合表徵了所生長的晶體的質量和性能。The system uses the pc and the at89c52 as the control center of the system. the pc optimizes the control parameters as the calculation control unit. the at89c52 receives the various parameters by serial communication with the power measurement system and the fuel consume measurement system and the emission measurement system and the ecu and so on, then sends into pc by sharing the ram with the pc as the communication control unit
該系統採用pc機和單片機at89c52為上位機,以pc機作為計算控制單元,對發動機控制參數進行優化;單片機作為通訊控制單元,與作為下位機的測功器加載系統、油耗測量系統、排放測量系統以及發動機電控單元ecu等子系統進行串列通訊接收各參數,並通過與pc機共享ram送入pc機。He is not only technician and operator, but also a developer, deviser, custodian, intendance & checker. we should normalize the operations, enhance the management of material and equipment, strengthen the control of engineering process, proof - test & application on people - oriented basis so as to ensure pe gas pipeline engineering quality from all aspects
在工程質量保障措施中,人是最關鍵的,不單是施工技術人員和具體操作工人,而且包括建設、設計、監理、監督、檢測等單位的相關人員,應做到以人為本,規范化操作,加強設備材料、施工機具的管理,加強施工過程、驗收、使用的控制,從各個方面保證聚乙烯燃氣管道的工程質量。It is a special unit to produce electric materials, apparatus and accessories of wires and cables. all of our products up to standard have been examined by the quality examining and testing centre for electric engineering material accessories of the state ministry of power industry
1985年, 1994年改制為股份合作制, 2001年改制為有限責任公司,是專業生產電力金具電工器材電線電纜附件的單位,產品經電力工業部電力工程材料部件質量檢驗測試中心檢測為合格。They can be applied to electric power automatic control in many fields such as heat power plant, heat - electric generating plant, hydroelectric power plant, electric network, substation, pumping station, hydro - junction etc. and for electric power dispatching telecontrol system by telemetering and remote control, and field electric energy monitoring of the utilization and distribution equipment in numerous enterprises, can widely apply to electric power, water conservancy, metallurgy, petrochemical industry, chemical industry, railway, port, municipal administration, construction material, post and telecommunication, tobacco, papermaking, spaceflight base, civil aviation airport, hospital and school etc, many profession and field
適用於火電熱電水電電網變電站所泵站水利樞紐等方面的電力自動控制和進行遙控遙測的電力調度遠動系統,以及眾多企事業單位用電配電設備的現場電量監控等。可廣泛應用於電力水利冶金石化化工鐵路港口市政建材郵電煙草造紙航天基地民航機場以及醫院學校等多種行業或領域。The characteristics are : the automatic testing part adopts single service position testing configuration developed internationally, which has simple configuration, flexible creditability ; the control of switching value and analog quantity collection adopts creditable plc, which takes ipc - 610 industrial control computer as epigyny computer and communicates with plc through rs - 232 interface for treating kinds of data and measuring online
特點是自動檢測部分採用國際首創的單工位檢測機構,結構簡單,靈活可靠,開關量的控制性能,模擬量的採集,採用可靠性的plc可編程式控制制器,由ipc - 610工業控制計算機擔任上位機,通過rs - 232介面與plc通訊,對各種信號進行處理,並進行在線實時監控。Ftt makes the frequency sampled at a same frequency interval on unit circle, and the frequency interval limits the practical range - precision of the radar, and makes range precision at an equivalent level with range - resolution
由於fft的實質是頻率在單位圓上的等間隔采樣,其采樣間隔限制了雷達的實際測距精度,使得其測距精度與其距離分辨力處于同一量級。Thereby this paper puts forward four ways to reduce no, emissions : reduction of the highest combustion temperature, fuel emulsification, exhaust gas recirculation and selective catalytic reduction. according to the marpol convention, no, emissions are defined as per engine power of nox mass flow rate
Marpol公約附則規定的no _ x的排放標準為柴油機單位制動功率排氣中no _ x的質量流量(單位: g kw ? h ) ,因此要想對被測試的柴油機的no _ x排放進行判定,必須得到排氣中no _ x的質量流量和柴油機的制動功率。In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology
為使二維振動傳感器在兩主軸方向的靈敏度大致相同,敏感元件採用高度對稱的四梁結構,其中每個軸向上均採用帶折疊梁的雙側叉指電容結構,採用體硅微機械工藝製作的高深寬比叉指電容式敏感元件,具有高靈敏度、寬量程、非線性誤差小、外圍電路簡單等優點;對設計的敏感元件結構參數進行了計算,並利用有限元法進行了模擬分析,根據模擬結果得出了優化參數;在確定敏感結構的基礎上,研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介面電路進行了原理設計與分析,利用差動測量技術得到由振動引起的微小電容變化量,經c - v介面電路進行相位調制處理,然後通過解調輸出與加速度成正比的電壓信號。On the basis of theory analysis, the average transmitted light intensity ( correspond to dc value ) was determined as characteristic parameter of raw water using photoelectric method for monitoring the fluctuation of transmitted light and photometric dispersion analyzer ( pda ). the dc value was closely related to both particle concentration and surface area of sand clay simultaneously. the experimental results shows that there is an exponential function relation between dc and surface area of sand clay in unit volume water ( sp ) : dc = asbp in which a and b are empirical coefficients. then the formula of macromolecule flocculant dosage is found to be d = f ( dc ) = e ( dc ) f in which e and / are empirical coefficients and the average correlation coefficient equal to 0. 981. so the model of automatical control system of water treatment plant was established using the formula
應用透光率脈動檢測技術和光散射顆粒粒度分析儀( pda ) ,通過理論分析,將pda的輸出信號之一? ?平均透光強度(對應于dc值)作為原水的特性表徵參數, dc值可以同時反映顆粒濃度和比表面積因素的影響,試驗結果證明, dc值與單位體積水中泥沙顆粒總表面積s _ p之間具有很好的冪函數關系: dc = cs _ p ~ d ,式中c 、 d為經驗系數,進而得到了以dc值為參數的高分子絮凝劑投藥量公式: d = f ( dc ) = e ( dc ) ~ f ,式中: e 、 f為經驗系數,平均相關系數達0 . 981 ,利用所建立的公式,建立了前饋? ?后饋聯合控制的在線自動投藥模型。The program used near elements " vibration displacement to predicate a bridge " s strain when it computed the strain mode of a bridge. to some extent, as solved measuring means to detect structure damage with strain mode approach. the program " s computing result certified that bridge damage " s location and degree could be delected not by the approach of strain mode, but by the curve difference ol " strain mode
程序人計訃應變模態時采川州鄰單元的模態位移,卅抑橋梁介動載作川十人勺應變棋忐公式,從一定程度卜解決了應變模態方法應川: j 「結構損傷檢測受到傳統應變測量手段制約的難題。Laboratories accredited or seeking accreditation under hoklas are required to have their testing and measuring equipment regularly calibrated by a competent calibration organisation to obtain measurement traceability to the international system of units ( si )
已獲實驗所認可計劃認可或正申請認可資格的實驗所,須讓其測試或測量設備定期接受校正,而校正工作須由有能力的校正機構執行,使測量能溯源至國際單位制。Results will be compiled on modules and inspection control reports
結果按標準測量單位記錄並寫入檢測控制報告。A surveying and mapping unit shall establish and improve the system of quality control over its surveying and mapping results
測繪單位應當建立、健全測繪成果的質量管理制度。In signal processing circuit, the key of our study, based on methods of mcu + cpld and a / d converter, a time interval measurement unit is done, in which an isp cpld counter is carried out to judge laser pulse for controlling counting and offering signal of time series and control, and a count quantization error measurement circuit which main ramp circuit and 12 bits a / d conversion circuit guarantees the resolution of system
信號處理部分是本文研究的關鍵,採用mcu + cpld的設計方法和模數轉換技術構成時間間隔測量單元的理論基礎,其中用可在系統編程的cpld計數器實現了對循環光脈沖的判斷以開關計數,並提供計數量化誤差測量電路相應的時序和控制信號,用斜坡電路和12位a / d轉換電路完成對計數量化誤差的測量,保證了系統的解析度。Through the calibration service of our standards and calibration laboratory, local organizations are able to ensure that their measurements have proper traceability to the international system of units ( si )
標準及校正實驗所本地機構透過本署標準及校正實驗所提供的校正服務,可確保其所作的測量能正確溯源至國際單位制( si ) 。分享友人