預備試驗 的英文怎麼說

中文拼音 [bèishìyàn]
預備試驗 英文
pilot study
  • : Ⅰ副詞(預先; 事先) in advance; beforehand Ⅱ動詞(參與) take part in
  • : Ⅰ動詞1 (具備; 具有) have; be equipped with 2 (準備) prepare; provide with; get ready 3 (防備...
  • : 名詞(古代占卜用的器具) astrolabe
  • : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
  • 預備 : prepare; get ready
  • 試驗 : trial; experiment; test
  1. Through preparative experiments and optimized experiments on cu ~ zn ultrafine powders that are prepared by the method of thermal spray and ball milling, the author finds that dispersants concentration, dispersing time, ph, temperature and adscititious ions have significant influences on dispersing effects

    西安理工大學碩士學位論文通過對熱噴塗球磨法制的超細銅鋅粉的分散性進行和優化,發現分散劑濃度、分散時間、 ph值、溫度和外加離子濃度對分散作用效果有重要影響。
  2. Prediction of ovarian reserve using clomiphene citrate challenge test

    克羅米酚興奮測卵巢儲功能中的作用
  3. Based on the spaceflight technology innovation program of “ research on the testing method of reliability - - - - research on the fault diagnostic expert system and neural network ” and the pre - research defense projects of “ research on longevous service and high reliability of satellites ” of the national tenth - five - year plan, taking attitude control system of a satellite as object, the theories and the applications of the neural networks and expert system in the fault diagnosis are studied in this dissertation

    本文以航天技術創新基金項目「可靠性方法研究? ?故障診斷的專家系統神經網路技術研究」和國家武器裝「十五」研項目「衛星長壽命高可靠性技術」為背景,以衛星姿態控制系統為研究對象,在理論和實踐兩個方面對神經網路和專家系統相結合的故障診斷技術及其在衛星中的應用進行了研究。
  4. Because the monitoring of electricity equipment is still in the condition of traditional prophylactic test ( monitoring off line ), wordage list and management method of handwork operation, to strengthen the real - time monitoring of the operation state of electricity equipment ( monitoring on line ), find out the anomaly of equipment, monitor and analysis the fault, then take a corresponding measures to lower the fault loss so that we can make the transition between the regulations of periodic repairing equipment and the regulations of reasonable state repair, is the work which the department of power supply and operation make much of

    針對對現有電氣設的監測大都還處于傳統的防性(離線監測) 、文字報表、手工操作的管理方式的現狀,加強對電力設的運行狀態進行實時的監測(在線監測) ,及時發現設的異常徵兆、對故障進行診斷分析,並採取相應措施,把故障損失降低到最低水平,進而將目前實行的設定期檢修制過渡到更為合理的狀態檢修制,一直是供電和運行部門十分重視的工作。
  5. Fire hazard testing - test flames - 1 kw nominal pre - mixed flame - apparatus, confirmatory test arrangement and guidance

    著火危險.火焰. 1kw額定混合火焰.設方法和指南
  6. Fire hazard testing - part 11 - 2 : test flames ; 1 kw nominal pre - mixed flame ; apparatus, confirmatory test arrangement and guidance

    著火危險.第11 - 2部分:火焰. 1kw標稱混合型火焰.設方法和指南
  7. In this paper, the high - temperature low - cycle fatigue life and fatigue crack propagation life tests are carried on the cylindrical axial symmetry specimens having precrack or non - precrack with different types of notches of 16mnr steel in common use in the petrochemical industry contacting coke drum equipment, the stress / strain and the range of stress / strain of dangerous points are received through stress analysis of the specimens using finite element program under multi - axial stress state. at last, the equations of evaluating the high - temperature low - cycle fatigue life and the fatigue crack propagation life are found through using the least - square regression method

    本文採用無裂紋和帶裂紋環狀缺口圓柱形樣,進行了石化焦炭塔設常用材料16mnr多維應力狀態下不同缺口形式的高溫低周疲勞總壽命及裂紋擴展壽命,並利用有限元程序對樣缺口周圍及裂紋尖端附近進行了軸對稱多維應力狀態下的應力、應變場分析,來評價材料不同條件下的高溫低周疲勞總壽命和裂紋擴展壽命,最後利用最小二乘回歸方法,得到了該材料高溫低周疲勞總壽命和裂紋擴展壽命評價方程。
  8. The test results indicated that test rolling table can simulate ship rolling motions on the wave and passive u - tube tank designed achieves stabilization effects to a certain extent

    搖擺臺的成功研製,將為裝減搖水艙的實船進行準確且可靠的橫搖運動報提供一個穩定的平臺。
  9. Global maritime distress and safety system - part 6 : narrowband direct - printing telegraph equipment for the reception of navigational and meteorological warnings and urgent information to ships navtex - operational and performance requirements, methods of testing and required test results

    海上呼救和安全裝置.第6部分:船用船海,氣象報和應急信息接收窄帶直接列印電報設.操作和性能要求,方法和結果
  10. The best dosage of dispersant and disperse medium, and the best time of ultrasonic disperse. secondly, the bp neural network process parameters model which describes the relationship between the important process parameters of the preparation of superfine quartz powder and the important evaluate guidelines was built, based on experimentation data. the forecast of the important guidelines was achieved with this model

    其次,本文以數據為基礎,基於bp神經網路建立了球磨法制超細石英粉體的關鍵工藝參數(轉速,時間,裝樣率,料球比)與粉體的關鍵評價指標(中值粒徑,粗端粒徑,均勻性系數)之間多目標多變量的bp網路工藝參數模型,該模型的建立實現了粉石英制的關鍵指標測。
  11. This dissertation derives from the national ninth five - year plan project " torpedo weapon system development and mathematic simulation methods research " and china shipbuilding industry group ' s project " sub - water multi - target trajectory counterwork distributed interactive simulation system "

    本論文題目來源於總裝部「九五」研課題「魚雷武器系統規劃發展數學模擬方法」和中國船舶重工集團第七五零場課題「水下多目標彈道對抗分佈交互模擬系統」 。
  12. Equipment reliability testing - part 4 : statistical procedures for exponential distribution - point estimates, confidence intervals, prediction intervals and tolerance intervals

    可靠性.第4部分:指數分佈的統計方法.點估計置信區間測區間和公差區間
  13. Materials and articles in contact with foodstuffs. transport units for catering containers containing prepared foodstuffs. thermal and hygienic requirements and testing

    接觸食品的材料和物品.裝有制食品的食物容器運輸設.溫度和衛生要求和
  14. Adopt the rigid conjunction reinforce of both line, the biggest flap fad still exceed limit, especially that high plait and self - provided train, horizontal flap is still serious, by research and decided to do a preparative box reinforcing experiment on the big bridge of yellow river, and anticipate the result would be more obviously

    採用雙線剛性連接加固,最大振幅仍有超限,特別是一些高編自車,橫向振幅仍然較嚴重,經研究決定在京廣黃河大橋上進行準箱形梁加固計效果會更加明顯。
  15. The experimental result indicate that the working characters of the test floor slab is typically two - way obviously, the floor slab that is reinforced two - way by setting transverse steels through the rectangular cores in the ribs of the precast slabs, has excellent bulking property, high bearing capacity, cracking resistance and so on

    研究表明,樓蓋在加載過程中呈現了明顯的雙向受力特徵; pk應力疊合樓蓋通過在制構件板肋留長方形孔穿置橫向鋼筋實現雙向配筋具有良好的整體性能,還具承載力高和抗裂性能良好等特點。
  16. Based on the study idea of the former pile else, this paper has conducted and discussed the mechanism of consolidation, settlement calculation and optimization design of the pcc pile according to the test in situ results and reasoning. it includes the followings in detail : ( 1 ) compared with the precast tube concrete pile and tube sinking concrete pile, the merits and shortages, construction machine, construction technology of the pcc pile and pcc pile composite foundation are introduced in detail to make the pcc pile be known completely by engineers

    本文在借鑒其他樁型的研究的基礎上,通過現場研究和理論推導,對pcc樁處理軟基加固機理、沉降計算和優化設計等進行了較為深入的研究和探討,具體包含以下幾方面的內容: ( 1 )在與制管樁和沉管灌注樁等樁型比較的基礎上,對pcc樁的優缺點、施工機具設、施工工藝、技術作用機理以及pcc樁復合地基技術特點等進行了述評。
  17. The measurement of dielectric loss and volume resistivity is effective preventive tests to judge insulating oil isolation status of polluted and aging, and it ' s important method of ensuring the safe operation of transformer and oil - filled circuit breaker, etc. however, the measuring systems of insulating oil dielectric loss and volume resistivity used at present exist the shortcoming of low accuracy, weak repeatability, inconvenience, and its thermostatic control system ca n ' t meet the challenge

    絕緣油的介質損耗因數、體積電阻率測量,是判斷絕緣油的劣化與污染程度的有效防性,是保障變壓器、油斷路器等充油電力設安全運行的重要手段。然而,目前所使用的絕緣油介質損耗因數、體積電阻率測系統存在著測量精度低、測量結果重復性不好、控溫系統不能滿足控溫要求、操作不便等缺陷,針對這一現狀,本文對絕緣油介損及體積電阻率一體化測系統進行了研究。
  18. Answer : preparative job includes : understands workplace one, the moving circumstance of 2 equipment, this job has with moving equipment without direct connection, have the job that cooperates without need with other team and group ; makes working priority discipline and the blemish that prepare to solve and weak point ; the staff member makes clear to divide the work and be familiar with the concerned data such as blueprint and test gauge cheng ; should be had the blueprint that agrees with actual state, record that examines last, newest rectify spare parts of the instrument that decides requisition, test gauge cheng, qualification, machine parts or tools kept in reserve, tool and join lead to wait ; is a few righter important equipment, especially complex protector or couplet jumps loop protector, should weave test program, working controller should fill in ticket of protection safety precaution, examine and approve via technical chief, just can carry out

    答:的工作包括:了解工作地點一、二次設的運行情況,本工作與運行設有無直接聯系,與其他班組有無需要配合的工作;制定工作重點項目及解決的缺陷和薄弱環節;工作人員明確分工並熟悉圖紙與檢規程等有關資料;應具與實際狀況一致的圖紙、上次檢的記錄、最新整定通知單、檢規程、合格的儀器、件、工具和連接導線等;對一些重要設,非凡是復雜保護裝置或有聯跳迴路保護裝置,應編制方案,工作負責人應填寫繼電保護安全措施票,並經技術負責人審批,方能實施。
  19. After prep - baking and making - granule, under different temperature we baking on the preceding powder, and it proof the most proper baking temperature is 1440. under 1440, we do the excessive zinc oxide experiment, and find when zinc oxide excessiving3 %, we can get the best production which i is 5962

    將制得到的前驅粉在850 2 . 5h條件進行燒、制粒后,在不同焙燒溫度下進行了鐵氧體焙燒,並對最優配方下zno過量條件進行研究。結果表明,在焙燒溫度1440 , zno過量3 %的條件下,可制得i為5962的高磁導率鐵氧體。
  20. 11 ) for the first time, the digital pre - assembly ( dpa ) had been introduced into the test design stage of aircraft strength testing. combine with the techniques of 3d modeling and complex sense visualization, accomplished the test equipment and test spectrum modeling, digital pre - assembly of test plan, and completed test simulation primitively

    刀首次將數字化裝配( doptalpre assembly , dm )技術引入飛機強度設計階段,結合三維造型和復雜場景顯示技術完成了件的造型和方案的數字化安裝,初步實現了的模擬。
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