數字式密度計 的英文怎麼說

中文拼音 [shǔzìshìmìdùjì]
數字式密度計 英文
digital densitometer
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 字 : Ⅰ名詞1 （文字） character; word 2 （字音） pronunciation 3 （字體） form of a written or printed ...
  • 式 : 名詞1 （樣式） type; style 2 （格式） pattern; form 3 （儀式; 典禮） ceremony; ritual 4 （自然科...
  • 密 : Ⅰ名詞1 （秘密） secret 2 [紡織] （密度） density 3 （姓氏） a surname Ⅱ形容詞1 （距離近; 空隙小）...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 數字 : 1. （表示數目的文字; 表示數目的符號） figure; digit; numeral; character; numeric character 2. （數量） quantity; amount
  1. This thesis described fuel management system theory and system reliability design to set forth system fuel management general design thought. many technical details are discussed in the thesis such as : fuel quantity measurement, fuel mass character calculation, fuel density measurement, the accuracy of fuel quantity measurement, the optimum location of fuel gauge probes in the fuel tank. the author brings forward a new method which is based on the software of catia to calculate fuel mass character

    本文對燃油管理系統的工作原理和可靠性設計等問題進行研究，以明晰燃油管理系統的總體設計思路；並對數字式燃油量測量、燃油質量特性計算、燃油密度測量、提高燃油量測量精度的措施、油箱油量傳感器安裝位置優化等具體技術展開研究；提出了一種基於catia軟體的燃油質量特性計算方法；論文最後探討了燃油管理系統的未來發展方向。
  2. Digital temperature transmitter, digital level, explosion - proof electric contact manometer figures generally used manometers, vacuum table, table vacuum pressure, oxygen forms of electric contact manometer, explosion - proof electric contact manometer seismic contact ammonia electricity connections. contact monometers assisted magnetic, seismic, heat - resistance, acid and alkali resistance, chlorine, sulfur - resistant, stainless steel pressure gauge. divide manometer shenyang city, the total, precision manometer, out of the wind pressure gauge, film boxes pressure gauge, diaphragm pressure gauge

    主要產品包括：數字壓力表，數字膜盒壓力表，數字溫度表，數字壓力變送器，數字溫度變送器，數字液位計，數字防爆電接點壓力表，一般用壓力表真空表壓力真空表氧氣表電接點壓力表防爆電接點壓力表耐震電接點氨用電接點磁助式電接點壓力表耐震耐高溫耐酸耐堿耐氯耐硫全不銹鋼壓力表隔膜壓力表沈陽市優質產品精密壓力表出風壓力表膜盒壓力表膜片壓力表全不銹鋼膜片壓力表鈦壓力表及出口全不銹鋼，充油全不銹鋼系列壓力表，壓差表，壓力變送器，各種軸向軸向帶邊法蘭連接等多種形式。
  3. Firstly, we generalize and analyze the advantages and present research of elliptic curve cryptography ; secondly, we study the basic theory of the ecc ; thirdly, we illustrate the safety of the ecc and discuss the elliptic curve key agreement scheme, elliptic curve encryption scheme and elliptic curve digital signature algorithm ; fourthly, we study fast algorithms of the multiplication and inversion multiplication of the element of in the underlying finite field f2m whose characteristic is two represented by the two basis of optimal normal basis and polynomial basis. we make improvements to the fast algorithm of the polynomial basis multiplication by hankerson and base on the experiments, we describe the properties and compare the advantages of the multiplication and inversion multiplication of the elements in f2m field under optimal normal bases and polynomial basis. results concluding from the study car be used as references in the realization of the elliptic curve cryptosystem ; fifthly, we overview the current fast algorithm of point multiplication, improve the fix base point comb algorithm, advance the speed of the whole system and remark the advantages and disadvantages of the popular algorithms based upon the experimental datas ; sixthly we realize the algorithm library of elliptic curve cryptography based on the f2m. only change slightly in our algorithm library can we realize the ecdh, eces, ecdsa based onf2m of anysize ; seventhly, we realize the ecc on two secure elliptic curves, including ecdh, eces, ecdsa

    本文首先介紹並分析了橢圓曲線密碼體制的優點及研究現狀；其次研究了橢圓曲線密碼體制的基本理論；第三，分析了橢圓曲線密碼的安全性並介紹了密鑰共享，加密，數字簽名等橢圓曲線密碼體制；第四，深入研究了特徵為2的有限域f _ 2m中的元素在多項式基和最優正規基表示下的乘法運算和乘法逆運算的快速演算法，並對hankerson等人提出的多項式基下的乘法運算的快速演算法作了改進，而且在實驗的基礎上不僅分析研究了f _ 2m域中元素在多項式基和最優正規基表示下的乘法和乘法逆運算的性能，還對這兩種基表示下的f _ 2m域中元素運算效率的優劣作了比較和研究，所得的結論可供在實現橢圓曲線密碼體制時參考；第五，研究了目前流行的計算橢圓曲線標量乘法的快速演算法，同時改進了固定基點梳形法，提高了整個系統的速度，並在實驗的基礎上分析研究了流行演算法的優劣；第六，實現了基於f _ 2m的橢圓曲線密碼體制的演算法庫，在我們的演算法庫中只需稍微改變便能實現基於任意尺寸的f _ 2m上的ecdh ， eces ， ecdsa等橢圓曲線密碼體制；第七，實現了兩條安全橢圓曲線上的橢圓曲線密碼體制，包括ecdh ， eces ， ecdsa 。
  4. Test method for density and relative density of liquids by digital density meter

    用數字式密度計測定液體密度和相對密度的方法
  5. The comprehensive geological characteristic has been fully studied in this paper. on the basis of this, closely combining production practice, the favorable gas developing regions have been determined with the methods of sedimentary facies and combination of generation, reservoir and caprock, and logging parameters interpretation maps and regression formulas have been established with logging data, as well as reprocessing, interpretation and identification of gas reservoir have been done with computer. integrating the information and results of geology, logging, testing and geophysics, the gas reservoir distribution regularity of structure of no. 1 sebei has been described and reserves in place of no. 1 ' sebei gas field have been recalculated, which have provided a basis for next step of development in research area

    在近十多年，通過提高地震資料處理精度、淡水聚合物泥漿的應用、數字測井技術的運用、並加強了低電阻層和差物性層的試氣及氣田擴邊鉆探，大大提高了對氣層的識別，大量增加了氣層的層數和厚度，擴大了氣田的含氣面積，使氣田儲量通過多次復查核算仍在不斷增加本論文充分研究了青海澀北一號氣田天然氣地質綜合特徵，並以此為基礎緊密結合生產實踐，應用沉積相與生儲蓋組合等方法確定氣藏有利發育區帶，應用測井資料建立測井參數解釋圖版並回歸公式，應用計算機重新處理、解釋和識別氣層，綜合地質、測井、試井、物探等多方面信息與成果，描述了澀北一號構造的氣層分佈規律，重新計算了澀北一號氣田的地質儲量，為研究區下一步開發提供了依據。
  6. As a mature technology for its static and accurate positioning, is widely used in the fields of geoscience study, geoid survey and other survey applications, which has brought about a new revolution for the methods and ways of survey. the digital photogrammetry can effectively reduce the work of the field survey and alleviate the labor intensity. its output results, such as digital ground model and digital products, can be widely used for engineering construction ; the outlook of its application has a bright future

    Gps靜態精密定位作為一種成熟技術已廣泛應用於地球科學研究、大地測量等各個測繪應用領域，給測量手段和方式帶來了一場新的革命；數字攝影測量技術可以有效減少野外測量的工作量，減輕勞動強度，其輸出成果數字地面模型及其數字化產品，與工程建設結合最為緊密，應用前景非常廣闊；遙感地質技術可為公路規劃和設計從宏觀上提供準確可靠的工程地質資料； cad作為一種可以極大地提高設計效率的有效手段已經被廣泛採用，目前正朝著可視化、動態化、三維化方向發展。
  7. This design adopt resonate sensor as its temperature sensor, which is a digital sensor with low cost, high precision, high stability

    本設計採用的溫度傳感器為諧振式水晶傳感器，它是一種低成本、高精密、高穩定的數字傳感器。
  8. The background of rapidly developed uhsm ( ultra high speed machining ) technology is introduced and the key function of the uhs ( ultra high speed ) motorized spindle to uhsm is discussed in the thesis. after analyzing international technology status and trend of the uhs motorized spindle study, we research the core technologies related to the uhs motorized spindle in detail, such as optimized design of the motorized spindle structure, high speed bearing technologies, oil - gas lubication technologies, precision machining and assembly technologies, design and manufacture technologies of the built - in frameless motor etc. then the digital simulation of the motorized spindle sensor - less vector control system is studied thoroughly

    本文從超高速加工技術飛速發展的背景出發，討論了超高速電主軸對超高速加工技術發展的重要作用和意義；分析了超高速電主軸研究的國內外現狀及發展趨勢；詳細論述了超高速電主軸的關鍵技術，包括電主軸結構優化設計、高速軸承技術、油氣潤滑技術、精密加工與精密裝配技術以及內裝式電機設計製造技術等，並深入研究了超高速電主軸無速度傳感器矢量控制系統的數字模擬技術。
  9. An auto - detecting method of the gauge with pointer that is based on digital image processing technique, high precision grating technique and step motor control technique is presented. there are advantages of high precision, high efficiency and auto - detecting for apply digital image processing technique to detect precision of the gauge with pointer ; moreover, it ’ s helpful to improve system ’ s resolution when high precision grating technique is applied to measure micro displacement ; also it makes system more automatic to control step motor in computer via step motor control card

    本文研究的指針式儀表的自動檢定方法是基於數字圖像處理技術、精密光柵測量技術以及步進電機控制技術的，將數字圖像處理技術用於指針式儀表的檢定，具有精度高、效率高、易於實現自動測量等優點;另外，將精密光柵測量技術用來測微位移，有利於提高系統的解析度;還有，通過步進電機控制卡來實現在計算機上對步進電機的控制，提高了系統的自動化程度。
  10. The project is completed in the collaboration of the transportation college of jilin university and transportation science institute in jilin province. the paper mainly studies the characteristics and mechanical performance of small size member of bridge, the problems of concrete dense degree and shear lag effect of wide flange. the static load test and supersonic nondestructive test of four pieces of prestressed i - girder with varying section are carried out in bridge structure laboratory of jilin university

    本文針對橋梁構件局部尺寸較小部位的混凝土密實度問題，進行了2片腹板寬度為14cm ， 2片腹板寬度為16cm的變截面預應力工字梁的靜載試驗和超聲無損檢測試驗，提出密實度系數的概念，對試驗梁的密實度進行定量評定，推導了工字梁的塑性系數公式，基於塑性理論給出了試驗梁的開裂荷載和極限承載能力計算公式，分析了試驗梁的密實度對其開裂荷載和極限承載能力的影響。
  11. In the characteristic measurement of surface, a method of surface " s self - adoption - character measurement is adopted in the paper to achieve the distribution of data " s density. the formula of coordinate transformation is educed and the calculate process in data fitting is proposed

    對曲面的特徵測量，採用曲面的自適應特徵數字化方法解決采樣數據的密度分配問題，對有標準參考坐標下和在不同參考坐標下的多視拼合問題，導出了坐標變換的公式並提出了數據拼合的計算過程。
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