精密小測定 的英文怎麼說

中文拼音 [jīngxiǎodìng]
精密小測定 英文
bore check
  • : Ⅰ形容詞1 (經過提煉或挑選的) refined; picked; choice 2 (完美;最好) perfect; excellent 3 (細)...
  • : 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)...
  • : Ⅰ形容詞1 (體積、面積、數量、強度等不大) small; little; petty; minor 2 (年紀小的; 年幼的) youn...
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • 精密 : precise; precision; accurate
  • 測定 : determine; determination; setting-out; admeasurement; assignment; assay; finding
  1. This paper deriving the theory work inflection point in the static stage characteristics curve of small measurement range linear dimension measurement. by the way of high pressure and back pressure pneumatic measure and designed the parameter of the mainly and measure spray head, which are the key component in the spray head - baffle pneumatic sensor. the different groups for the main - spray head and the measure spray head, will effect the dynamic and static stage characteristic parameter. the author have done contrast experiment and optimization design to test and verify the theory derivation whereby made the rang of show valve of pneumatic measure system measure range up to 40 u m, the sensitivity up to 100mv / u m, resolution up to 0. 05 p m, the uncertainly of measure is less than 0. o2 u m, satisfaction of requirement of groups the carboy hatch thickness size precise measure of soft shims

    對高壓背壓式氣動量用於量程線性尺寸量的靜態特性曲線的理論工作拐點進行了推導,對氣動量系統中的噴嘴-擋板型氣動傳感器中的關鍵部件? ?主噴嘴和量噴嘴的參數進行了理論設計,對主噴嘴和量噴嘴的不同組合,將影響量系統靜、動態特性指標的噴嘴參數進行了對比實驗和優化設計,並通過實驗驗證了理論推導,從而使氣動量系統量程的示值范圍達到40 m ,靈敏度達到100mv m ,解析度達到0 . 05 m ,量不確於0 . 2 m ,滿足了壓縮機缸蓋軟體墊片厚度尺寸量分組的要求。
  2. This paper studies the inductive displacement transducer ’ s structure and its measuring principle, also studies the whole classical measurement system and analyzes its merits and drawbacks according to related experimental findings. to get rid of classical measurement system ’ s drawbacks such as low stability, narrow linear measuring range, etc. and improve measuring system ’ s performance index, this paper ’ s improves several key technologies in the high - accuracy measuring circuit

    本文研究了電感位移傳感器的結構、量機理以及其整個量系統的系統架構,並通過試驗認真分析了傳統的電感位移傳感器量電路的優缺點,結合本課題的研究需要和技術要求,對傳統電感位移傳感器量系統穩不高,線性量范圍等不足之處進行了改進。
  3. Minute hardness testing systems, hardness meters vickers, rockwell, shore, metalloscopes, magnetic detectors, demagnetizers, metallographic inspection devices, surface roughness meters, electrical micrometers, air micrometers, mu meters, electrical converters, bore micrometers, cylindrical gauges, block gauges, eccentricity meters, precision bases, others

    硬度系統硬度計維克斯洛氏邵氏金屬顯微鏡磁力探機脫磁機金屬組織檢查裝置表面粗糙器電微型壓力機空氣微型壓力機微米表電轉換器鏜孔微型壓力機缸徑規塊規偏芯加工臺等等。
  4. Second part - the main contribution and research results of this paper are focused on as follows : ( 1 ) how to use the measurements of a dual frequency gps receiver to determine the ionospheric delay correction model for single frequency gps of a local range ; ( 2 ) how to separate the instrumental biases with the ionospheric delays in gps observation ; ( 3 ) how to establish a large range grid ionosphere model and use the gps data of chinese crust movement observation network to investigate the change law of ionospheric tec of china area ; ( 4 ) how to improve the effectiveness of correcting ionospheric delays for waas ' s users under adverse conditions. ( 5 ) how to establish the basic theory and the corresponding framework of monitoring the stochastic ionospheric disturbance using gps ( 6 ) how to improve the modelling ability of ionospheric delay according to its diurnal, seasonal, annual variations based on gps ; ( 7 ) how to meet the demand of correcting the ionospheric delay of high - precision orbit determination for low - earth satellite using a single frequency gps receiver 1 extracting ( local ) ionospheric information from gps data with high - precision the factors are systematically described and analyzed which limit the precision of using gps data to extract ionospheric delays

    二、具體研究工作的系統報告,主要集中在以下幾方面:研究如何利用單臺雙頻gps接收機的觀信息確電離層延遲改正模型,為范圍的單頻用戶服務;研究如何實時分離gps觀中的儀器偏差與電離層延遲;研究如何建立較大區域的電離層格網模型,進而初步設想利用中國地殼運動觀網路深入研究我國領域的電離層的電子濃度變化規律;研究單頻用戶在不利條件下,如何更好地利用電離層延遲改正信息;研究利用gps監隨機電離層擾動的基本理論和框架方案;研究如何綜合顧及電離層的周日、季節和年變化,進一步提高利用gps模擬電離層延遲的能力;研究如何實現星載單頻gps低軌衛星的軌中的電離層延遲改正要求。
  5. Based on the spectral irradiance measured with the sun - atmosphere ultraviolet spectrum radiometer ( sauvs ) developed by the institute of atmosphere physics and the changchun institute of optics and fine mechanics, chinese academy of sciences, measuring the direct and scatter irradiance spectrum of ultraviolet waveband which arrives in beijing global surface, giving a method of retrieving the aerosol optical depth ( aod ) and put up with primary results that exponential function can fit the retrieval results according to its visibility, putting forth different coefficients and functions on variable visibility, also giving a primary analysis on the aod in dust - storm day and some contrast between sun - day and dust - storm day, analyzing the ratio between scatter and total irradiance, and its relationship with atmosphere mass and total atmosphere optical depth, lastly contrasting with the survey results by aeronet beijing station, the results of retrieval is in reason, this work gives some help in researching the co - effect of aerosol - radiance - climate and makes preparation for further survey on the radiance characteristics of dust

    利用中國科學院大氣物理研究所與長春光學機械研究所合作研製的太陽?大氣紫外光譜輻射計( sauvs ) ,量到達北京地表的太陽直接和散射紫外光譜輻射,導出了大氣氣溶膠的光學厚度。初步結果表明:北京紫外波段大氣氣溶膠的光學厚度在絕大部分情況下隨波長的增加而單調減,用指數函數可以較好地擬合反演結果,統計得到了三個水平能見度狀況下擬合函數的系數值和公式表達式;初步分析了揚沙、浮塵、沙塵暴天氣條件下氣溶膠光學厚度的特點,並與一般晴朗天氣條件下的氣溶膠光學厚度特點做了比較分析;分析了太陽紫外譜輻射中散射輻射與大氣質量、大氣總光學厚度的性關系和量表達式;最後與全球氣溶膠監網路( aeronet )北京站的資料做比對,表明反演結果基本合理。
  6. Abstract : an imidazole - catalyzed acylation method of phthalic anhydride is applied to the determination of hydroxyl values of reinforcing agent is211. the analytical error is 5. 0 10 - 3. the relative standard deviation of the method is less than 0. 04 and its coefficient of variation is not more than 5. 0 10 - 3. hydroxyl values determined in different batch samples meet the design requirement completely. this method is rapid and simple, it is adaptable to conventional analysis

    文摘:以咪唑催化鄰苯二甲酸酐酰化的方法增強劑is211的羥值,準確度高,分析誤差為5 . 0 10 - 3 ;方法度好,標準偏差於0 . 4 ,變異系數不大於5 . 0 10 - 3 ,不同批號試樣的羥值完全符合商標值,方法快速、簡便,適用於常規分析。
  7. The apsp produced abroad is made by numerical controlled machine tool, which has noise level of 71db ( a ), the apsp produced in our country is made in the method of exploratory which has noise level of 73db ( a ) and 75db ( a ). in order to analyze the influence of stator curve to noise, the author used tri - coordinate measuring instrument to measured exactly the inside surface of stator and got the straddling point coordinate, and made curve fitting by using matlab as language and studied the fitting effect and then worked out the equation of stator transition curve in return seeking, then comparied this method with the standard style and made the conclusion : the equation of atator transiting curve of apsp made by numerical controlled machine tool is close to theorical 5 power curve standard style, but compared with it, the stator transiting curve of apsp produced in exploratory has a major error. combining the testing results of noise, one can know that the qualily of stator transition curve play an importance to t he noise of the pump

    國外生產的汽車動力轉向泵是用數控機床加工的,其噪聲值為71db ( a ) ,國內生產的汽車動力轉向泵是用靠模方法加工的,其噪聲值分別為73db ( a )和75db ( a ) ,為了分析子曲線對泵的噪聲的影響,本人用三坐標量儀對子內表面進行量,獲得子內表面的離散點坐標,以matlab語言為工具對離散點進行曲線擬合,觀察擬合效果,然後,用回歸方法求出了子過渡曲線的方程,並把該方程與理論方程標準型進行了比較,得出如下結論:用數控機床生產的汽車動力轉向泵的子過渡曲線方程非常接近理論5次曲線標準型,而用靠模方法加工的汽車動力轉向泵的子過渡曲線與理論5次曲線標準型相比較,則存在著較大的誤差,結合噪聲試結果可知,子過渡曲線的優劣,對泵的噪聲大有著重要的影響。
  8. Aees employs the multi - staged digital filter algorithm to reduce random error. meanwile, the system correct zero deviation through linear opreation. the instrument, from hardware aspect increases the feature of anti - interference by the way of reasonable layout, sepration of digital and analogue

    系統採用了中值濾波和滑動平均濾波相結合的多級數字濾波演算法來減隨機誤差,並以基準電壓作為比較信號的輸入,由智能系統通過線性運算,實時地修正、校準量數據,減系統的零漂,實現自動標並提高量的度。
  9. Extreme ultraviolet lithography is being developed as one of the most important candidates to fabricate a sub - o. lum - pattern. in recent years, several key technologies have been developed rapidly such as laser producing plasma source, extreme ultraviolet multilayer, optical fabrication and metrology, projection - camara alignment, low - defect mask and control technology of stage

    極紫外投影光刻( extremeultravioletlithography簡稱euvl )最有可能成為下一世紀生產線寬於0 . 1 m集成電路的技術,近年來在激光等離子體光源、極紫外多層膜、光學加工和檢、光學裝調、低缺陷掩模、光刻膠技術以及高穩工作臺系統控制等關鍵技術方面得到了飛速發展。
  10. Measuring ranges broad : min range 0. 5 kpa, max range 700 kpa anti - interference ability strong, output signal stable structural ingenuity, easy to install and use

    量范圍寬:最量程0 . 5kpa最大量程700kpa抗干擾能力強,輸出信號穩結構巧安裝使用方便高度高可靠性溫度補償性能價格比高
  11. Measuring ranges broad : min range 0. 5 kpa, max range 700 kpa anti - interference ability strong, output signal stable structural ingenuity, easy to install and use high - precision, high reliability precise temperature compensation high ratio of performance price

    量范圍寬:最量程0 . 5kpa最大量程700kpa抗干擾能力強,輸出信號穩結構巧安裝使用方便高度高可靠性溫度補償性能價格比高
  12. Since the company began to resrerch and make radiators in 80 ' s last century, domestically advanced production lines have been adopted in the production. we sim at 100 % conformity of heat impedance performance curve with the testing standards stipulated in st2564 - 85 standard book of " profiled material raditors " which is promulgated by ministry of electronic industry of people republec of china. the radiators are matching heat - radiating components for power semiconductors, generally can be applied to fields of large and small power appliances, hi heat current density utensils, whole - set apparatus, electuonics and electrical devices, etc

    本公司自八十年代初研製生產散熱器系列產品以來,採用國內最先進的生產流水線,工藝湛,其熱阻特性曲線均按中華人民共和國電子工業部標準st2564 - 85 《型材散熱器》規的檢方法,百分之百達到設計要求,是功率半導體器件的配套散熱元件,運用於多種大、功率電器熱流高度、整機設備、電子,電器等領域。
  13. Laser and photoelectric technology, digital image processing technology and exact measurement and control technology were used in the system. wheel set parameters could be measured by non - contacted and automatic way. the accuracy, stability and reliability of the system can meet the demand of wheel sets maintainingt

    該系統是綜合激光與光電技術、數字圖像處理技術、控技術於一體的自動化設備,能非接觸自動量輪對綜合參數,檢度較高、重復性好、維護量,工作穩可靠,現場使用達到段修使用要求的技術指標。
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