short-time test 中文意思是什麼

short-time test 解釋
短期試驗
  • short : n 蕭特〈姓氏〉。adj 1 短的;短暫的。 (opp long)。2 矮的;低的 (opp tall)。3 短期的。4 簡短的...
  • time : n 1 時,時間,時日,歲月。2 時候,時刻;期間;時節,季節;〈常pl 〉時期,年代,時代; 〈the time ...
  • test : n 1 檢驗,檢查;考查;測驗;考試;考驗。2 檢驗用品;試金石;【化學】試藥;(判斷的)標準。3 【化...
  1. Monitor apparatus can measure valid value of three phase voltage and current, power factor, three phase disequilibrium, instant flecker of short time and harmonic without twenty, degree and harmonic distortion total. the paper are laid on the following. ( 1 ) master plan and function of circuit, ( 2 ) hardware design including circuit and principle of a / d conversion, phase lock, liquid crystal display and keystroke and so on, ( 3 ) design of system software including digital filtering, fft, a / d conversion and monitor interface of pc, ( 4 ) system test

    監測儀能夠完成包括三相電壓、三相電流的有效值、功率因數、三相不平衡、電壓短期閃變、以及20次內的諧波、諧波相位、諧波失真總量等的測量。論文重點介紹了以下幾部分: ( 1 )電路的總體設計和功能; ( 2 )硬體設計,包括a d轉換、鎖相環、液晶顯示和按鍵輸入等原理和電路。 ( 3 )系統軟體設計,包括a d轉換、 fft 、數字濾波等程序的原理和演算法以及上位機監控界面的設計; ( 4 )系統測試。
  2. Furthermore, both current in - situ conductivity test data interpretation methods and gshp design methods are based on models that only consider heat conduction. therefore, the groundwater flow may impact the results of in - situ thermal property of soil, and then the ghe size, and make the short - time economics of gshp comparatively unattractive consequently

    此外,由於現場對巖土熱物參數的測試及分析也都僅考慮了熱傳導的影響,這勢必影響現場測試結果的精度,最終又會引起換熱器大小的變化,使土壤源熱泵的經濟性受到挑戰。
  3. In order to study the influence factors of aoa of rose flowers, the effects of drying and extraction methods on the aoa of rose flowers were investigated. the results indicated that drying after high - temperature short - time pretreatment was rather effective to maintain their aoa ; the aoa of water extracts was stronger when the temperature was raised from 25 to 100 ; by using orthogonal test, the optimum extraction conditions of rose flowers were : solvent - 75 % ethanol ; ratio of material and solven - 1 : 10 ; extraction times - three times with 24 h at one time, at the room temperature. the extracts obtained by 75 % ethanol were fractionatedly extracted with petroleum, diethyl ether, ethyl acetate and n - butanol in turn, and the various fractions " aoa were analyzed

    為了探討玫瑰花抗氧化活性的影響因子,比較了不同乾燥方法、提取方法對其抗氧化活性的影響,發現:經短時高溫處理后再進行乾燥有利於較好地保持玫瑰花的抗氧化活性;以水作溶劑提取時, 25 100范圍內水提液的抗氧化活性隨著溫度的升高而增強;通過正交實驗篩選得到常溫下玫瑰花抗氧化活性物質的最佳提取方法為: 75乙醇為溶劑,液料比1 : 10 ,提取3次,每次24h ; 75乙醇提取物依次用石油醚、乙醚、乙酸乙酯、正丁醇等有機溶劑進行兩相分部萃取,發現玫瑰花的抗氧化活性物質主要存在於乙酸乙酯部,說明玫瑰花抗氧化活性主要成分可能是單寧類、黃酮苷類和原花色素類化合物; 4
  4. Standard test method for short - time hydraulic failure and resistance to constant internal pressure of the plastics pipes for the transport of fluids

    流體輸送用塑料管材液壓瞬時爆破和耐壓試驗方法
  5. Testers frequently complain that little time is alotted to them : i. e., so much to test in such a short time. " on the other hand, developers complain that they are limited by time as well, and can t deliver the product by the deadline

    測試人員經常會抱怨,分配給他們的時間太少了:例如, 「要在這么短的時間內測試那麼多內容。 」換句話說,開發人員抱怨,他們同樣受限於時間太少,不能按照期限交付產品。
  6. There are 11 parts, which test influence of size, velocity of movement, color arrangement and some other factors to visual acuity and distinguish and reaction time of vision, and short time memory of color and figure, and display of instrument, and distinguish of number and graph, trace of object and harmony of two hands

    共有11個部分組成,分別測試了目標大小、運動速度、色彩組合等對人的視敏度和視覺識別反應時間的影響,顏色、圖形的短時記憶問題,儀表的顯示問題,圖形、數字的識別問題,目標追蹤和左右手調節的問題。
  7. Revolved round the sun by the test and adjusted to the best working state compared with rotational speed of the autobiography, according to different supplies grain size, different supplies performance, can in short time ( 1 ~ 5 hours ) process the supplies into the ultra thin powder inside ( 1 ~ 5 micron )

    (三)經試驗公轉與自傳轉速比調整到最佳工作狀態,根據不同物料粒度、各異的物料性能,能在較短時間( 1 ~ 5小時)內把物料加工成超細粉( 1 ~ 5微米) 。
  8. Abstract : using the principle of chemical kinetics, change the storage conditions to shorten the shelf life of food, and in a short time can get the shelf life of long life foods at normal condition, and apply in stability test for food, to insure the commercial shelf life of foods

    摘要:利用化學動力學的原理,改變儲存環境來縮短食品儲存期,從而在短時間內可得到長壽食品(一年以上)的儲存期,以及應用於食品穩定性的測試,確保食品的商業儲存期。
  9. Abstract : the test and requirements of ct ' s short - time current concerned in the new national standard are summarized. some proposals for revising the guide of short - time current test are pointed out

    文摘:闡述了互感器新國家標準中電流互感器短時電流的要求及試驗等有關問題,並對修訂短時電流試驗導則提出了建議。
  10. The animal paradise, can want to test your memory and english level ! see can in the most short time, the small animal and their english code to should get up

    動物樂園,可要考驗你的記憶力和英語水平哦!看看能不能在最短的時間內,把小動物和它們的英文代號對應起來。
  11. In this way, life span of catalytic converter assembly can be checkout in short time. a set of evaluation and test method has been put forward and the test bench has been built up. some catalyst converters on the chinese market as the sample have been tested on the bench, but many quality problems have been found

    另外,本文對催化轉化器內部氣體流動的特性進行了研究,模擬結果表明本文把蜂窩結構的催化器用當量連續法建立載體的流動力學模型,並用ansys軟體對整個催化器的流場進行穩態流動數值模擬的方法是可行的。
  12. According to the channel model and a short time between the missile outs from the black area and touchdowns, we research a simple, flexible and fast adaptive equalizer and the dsp realization. it equalizes the channel and reduces the system ber to satisfy the urgent test task requirements

    根據建立的通道模型,結合彈頭出黑障到觸地時間短的特點,探索一種實現簡單、靈活、快速的自適應均衡模型以及演算法的dsp實現技術,對現有的再入遙測通道進行補償和均衡,降低系統誤碼率,以滿足緊迫的測試任務需要。
  13. Test of rated short - time withstand

    額定短時耐受電流試驗
  14. Changing the grading of sic particles not only affects the strength and pile density, but also modifies the phase compositions and microstructure of the material. with the reducing of sic particles, the strength of the material increases obviously. the nitrification scheme has the greatest influence on phase compositions and microstructure " of si3n4 ( si2on2 ) - sic, after two continuous nitrification reacting peak and short - time high - temperature treating, the best properties can be obtained ; and the residual strength of the composite is much higher after the thermal shock resistance test, which shows that the material possesses excellent thermal shock resistance

    本論文較全面地探討促進強度和顯微結構良好的si _ 3n _ 4 ( si _ 2on _ 2 )結合相的實驗條件,實驗數據顯示:引入適量的燒結助劑能夠促進si _ 3n _ 4 ( si _ 2on _ 2 )的生成和晶粒的長大,而過量時,其促進作用反而下降;隨著si粉加入量增加,生成的結合相明顯增多,復合材料的性能顯著提高;改變sic顆粒級配不僅影響復合材料的強度與堆積密度,而且對復合材料的物相與顯微結構也有影響,隨著顆粒逐漸細化,材料的強度有較大的提高;對復合材料的強度、物相與顯微結構影響最大的是氮化制度,經過兩個氮化高峰連續的反應和短時間的高溫后處理得到的復合材料性能最好;通過抗熱震性能實驗后復合材料的殘余強度較高,顯示出較好的抗熱震性能。
  15. Short time test

    快速試驗法
  16. Aimed at the short time run of the generator, multi - channel and high precision in aircraft test on ground, based on the idea of multi - channel long time record at locale, then playback and analysis, an aircraft electric multi - channel test system based on vxibus is designed, it is proved to have convenience and high test - precision, and well fulfills the need of multicenter test at locale and implements that multilcenter data can be playback and analysed

    摘要針對目前飛機地面電氣測試中發電機開機時間短、測試通道多、並且要求測試精度高的要求,按照現場長時間多通道記錄,後期回放處理的設計思路,設計了一種基於vxi總線技術的飛機電氣多通道測試系統,實踐證明該系統使用靈活,測試精度高,很好滿足了現場實驗多通道數據同時測量的要求,並實現了對多個通道數據後期回放及分析處理。
  17. Chaper six compared the emd - based time - frequency analysis method to the typical ' s : short time fourier analysis, wigner distribution and wavelet anlysis, the result showed that the emd - based ' s is better than the others. to weaken the crossing interfere in multi - components signal in wigner distribution the emd - based wigner distribution was proposed and the study result showed that the method is valid. chapter seven built a experiment system at the base of rotor test bed, discussed characteristics of several typical fault in rotating m

    第六章把基於emd的時頻分析方法分別與短時傅里葉變換、 wigner分佈分析、小波變換進行了比較研究,結果表明,基於emd時頻分析方法比上述方法有效;針對wigner分佈分析的交叉項干擾,提出了基於emd的wigner分佈分析新方法,研究結果表明新方法能有效地消除交叉項干擾。
  18. Test method for short - time hydraulic failure pressure of plastic pipe, tubing, and fittings

    塑料管材管道和管件短時液壓故障壓力試驗方法
  19. Test method for short - time hydraulic failure pressure of fiber - reinforced thermosetting plastic pipe

    纖維增強熱固性塑料管短時水壓失效壓力試驗方法
  20. Testing of plastics articles ; determination of the effect of internal pressure on hollow objects by short - time test

    塑料製品的試驗.短時間試驗內部壓力對空心物體作用的
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