level of measurement 中文意思是什麼

level of measurement 解釋
標量類別
  • 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;...
  • of : OF =Old French 古法語。
  • 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. Measurement precision contribute to improving the security class and economic of boiler running and automatic level of whole plant. the smart measurement instrument of the boiler ’ s air flow designed in the thesis and the instrument can make the degree of accuracy get to. firstly, the thesis build the “ velocity - area ” method which is on basis of “ log - tchebycheff ” on the analyzing of basic measure method of boiler ’ s air flow. secondly, model86 averaging pitot tube was selected the right model of flow transducer which can pickoff the differential pressure and static pressure. modelc264 which made in setra system corp. u. s. a was selected as ultra low differential pressure transmitter. a good flow of boiler ’ s air was calculated by offsetting pressure and temperature. finally, numeroscope was designed with z80cpu and other chips

    精確的監測有助於提高鍋爐燃燒的安全型、經濟性,也有助於提高電廠的整體自動化水平。本文設計的智能化鍋爐風量測量裝置能夠實現對鍋爐送風的精確測量,精度可達。本文首先研究鍋爐送風矩形大管道測量理論,提出在流來流量測量測點布置基於「對數-切比雪夫」法的速度-面積法。
  2. Mechanical presses - methods of measurement of a - weighted sound pressure level

    機械壓力機. a -加權聲壓級測量方法
  3. Abstract : we have studied theoretically a beat effect in a four - level system due to fifth - order optical polarization, and considered the cases that the pump beams have either narrowband or broadband linewidth. we have found that the accuracy for the energy - level splitting measurement is determined by the homogeneous linewidths of the optical transitions. that is to say, this technique can achieve doppler - free precision in the measurement of the energy level splitting between two excited states which are dipolar forbidden from the ground state

    文摘:研究了四能級系統中基於五階極化的拍頻效應,考慮了抽運光束為窄帶線寬或寬帶線寬的情形.發現其對能級分裂的測量精度決定於光學躍遷的均勻增寬.也就是說,這種技術在測量與基態是偶極禁戒躍遷的兩激發態之間的能級分裂時,可得到消除多普勒增寬的精度
  4. 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。
  5. The magswitch is suitable for many liquid and gaseous mediums and is used in vacuum technology pump control, refrigeration technology compressor control, gas technology stock monitoring, leak detection, filter monitoring dirt detection, level measurement overfill protection, dry - running protection, and is also used for a whole variety of measurement tasks in hydraulics and pneumatics, in machine construction and in building technology

    磁控開關適用於液體和氣體介質,可以用於真空技術氣泵控制製冷技術壓縮機控制氣體技術貯存量監測泄露探測過濾監測灰塵探測,液位測量過量保護空運行保護,也用於所有機械構造和建造技術中的液壓和氣壓測量任務。
  6. The pressure switch is suitable for almost all liquid and gaseous mediums and is used in vacuum technology pump control, refrigeration technology compressor control, gas technology stock monitoring, leakdetection, filter monitoring dirt detection, level measurement overfill protection, dry - running protection, aswell as a whole variety of measurement tasks in hydraulics and pneumatics, in machine, equipment and plantconstruction, in process technology and in building technology

    壓力開關幾乎適用於所有液體和氣體介質,可以用於真空技術氣泵控制製冷技術壓縮機控制氣體技術貯存量監測泄露探測過濾監測灰塵探測,液位測量過量保護空運行保護,也用於過程技術和建造技術的機器機械和設備製造中的所有液壓和氣壓測量任務。
  7. The sc400 is suitable for many liquid and gaseous mediums and is used in vacuum technology pump control, refrigeration technology compressor control, gas technology stock monitoring, leak detection, filter monitoring dirt detection, level measurement overfill protection, dry - running protection, and is also used for a whole variety of measurement tasks in hydraulics and pneumatics, in machine construction and in building technology

    Sc400開關適用於液體和氣體介質,可以用於真空技術氣泵控制製冷技術壓縮機控制氣體技術貯存量監測泄露探測過濾監測灰塵探測,液位測量過量保護空運行保護,也用於所有機械構造和建造技術中的液壓和氣壓測量任務。
  8. On the basis of current investigation of both the domestic and foreign and current level of development, and contraposing difficulties and keys of autofocusing and measurement, this paper brings forward system of autofocus and measurement based on techniques of image processing of ccd. this system possesses merits of fast speed, high precision, small bulk and large dynamic range. it is able to carry out needs of fast, accurate, large range autofocusing and requests of noncontact and online measurement of workpiece face runout

    本論文根據目前國內外現狀和發展水平,針對自動聚焦和端面跳動測量的關鍵點和難點,在普通光學儀器的基礎上提出了一種基於ccd圖像處理技術的圖像式自動聚焦及其測量系統,該系統具有速度快、精度高、動態范圍大、體積小等優點,實現了快速、精確、大范圍的自動聚焦和對工件端面跳動進行非接觸、在線測量的要求。
  9. A policy is applied to this measurement to determine the level of healthiness

    將某策略應用於這一測量來確定健康級別。
  10. Abstract : the current technical condition and grain production and distribution as well as the characteristic of circulation of area grain storage in yunnan province has been analyzed, at the same time, the technical measurement for improving the level of grain storage and transport has been discussed. however, the main line of grain circulation taking bulk storage and bulk transport as the primary form will be set up, and the modern grain storage equipment will be fitted in newly build and improved large - scale granary, simultaneously, the supervisory and examination mechanism of province and area will be strengthened

    文摘:分析了雲南省區糧食儲藏技術現狀及糧食產銷和流通特點,論述了提高糧食儲運水平的技術措施,即建立以散儲散運為主要形式的糧食流通主幹線;在新建和改造的大型糧庫配備先進的儲糧設施;健全省區內的糧食監督檢驗機制等。
  11. Measurement of level of reproductive hormone in female yak of plateau type in differ season

    不同季節高原型氂母牛生殖激素水平的測定
  12. Due to the measurement - control system is the core of robot, in order to improve whole capability and automation level of the robot, hardware and software structure of the system is designed

    由於機器人測控系統是機器人的核心,為了提高機器人的整體性能與自主能力以及智能化水平,本文設計了開放式通用機器人測控系統的硬、軟體結構。
  13. In the dissertation, the author uses objective and subjective measurement respectively to compare among philips ' s 1st ( c ' s algorithm, philips ' s 2nd ic ' s algorithm and our own motion compensated algorithm. simulation shows our algorithm solves the problem of horizontal edge flicker in saa4991, alleviates the problem of " tear " in saa4992. the author also uses subjective measurement to compare among our edge - based motion adaptive de - interlacing algorithm, traditional intra - field interpolation algorithm and faroudja ' s dcdi algorithm. simulation shows our own edge - based algorithm can remove the sawtooth on the object ' s edge, and has basically reach the level of dcdi

    論文從主觀和客觀兩個角度對比分析了自有的運動補償演算法和飛利浦一代晶元saa4991 、二代晶元saa4992中的運動補償演算法的性能:自有演算法對于圖像的水平邊有效抑制了saa4991存在的閃爍現象,減小了saa4992存在的拖尾問題;自有的邊沿演算法消除了傳統演算法在物體邊沿處存在的鋸齒,可以得到清晰平滑的邊沿,基本達到了dcdi演算法的水平。
  14. Methods of measurement for vibration level

    振動級測定方法
  15. This article analyzes the major factors that influence the earnings quality and the relations between these factors and the earnings quality from five perspectives, which are earnings acknowledgement and measurement, earnings certainty, structure of earnings, level of earnings, and stability of earnings

    摘要本文從收益確認和計量、收益確定性、收益結構、收益水平、收益穩定性五個方面分析了收益質量的主要影響因素及其與收益質量的關系。
  16. 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。
  17. At that time, basement of the university seems to be more important, utility in competition to some extent involves in coherence, appearance and effectiveness. from the above, through the recognition of the school culture with its characters and function, the thesis develop to recognize the school - construction theories through the analysis between universities in nation. moreover, conjoining the situation and problems in dalian fisheries university, searching the principles, ideas and measurement of the campus culture establishment, the thesis meant to promote the tradition, involve the epochal spirit and enhance the level of construction in campus culture

    論文在探討校園文化內涵、特徵、功能等相關理論的基礎上,將中西校園文化進行對比分析,並對中國校園文化的發展趨勢加以研究;同時結合大連水產學院校園文化建設現狀及存在問題,探索進一步開展校園文化建設的原則、思路和具體措施,以便發揚優良傳統,吸納時代精神,提高大連水產學院校園文化建設水平,使之在學校教書育人以及發展建設中發揮更大的促進作用。
  18. Abstract : we have studied the polarization beats spectroscopy with phase - conjugation geometry in a cascade three - level system. it was found that the accuracy for the energy - level difference measurement is determined by the homogeneous linewidths of the optical transitions. under the condition for the occurrence of beating, the frequency difference of the beat between two independent light sources could exceed the laser linewidth. the measurement accuracy for laser absolute frequency could reach the same order of magnitude as the laser linewidth

    文摘:研究了級聯三能級系統中的相位共軛極化拍頻光譜術.發現其對能級差的測量精度決定於光學躍遷的均勻增寬.在符合拍頻條件時,兩獨立光源拍頻的頻差可以超出激光線寬,激光絕對頻率的測量精度可達到與激光線寬同一量級
  19. To measure both the liquid level of coke - cracking tower and the height of foam, an on - line measurement instrument of the liquid level for coke - cracking tower based on dual - energy - ray transmission is designed

    摘要為了同時測量焦化塔的液位和泡沫高度,設計了一種雙能射線焦化塔液位在線測量儀。
  20. So, it is essential for these stock companies to regulate their stock capital structure in order to improve the accuracy and confidence level of measurement of

    因此,要提高我國證券市場風險計量的準確度與可信度還需要積極的改革企業的股權結構。
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