supersonic test 中文意思是什麼

supersonic test 解釋
超聲波檢驗
  • supersonic : adj. 【物理學】超聲波的;【航空】超音速的。 n. 1. 超聲波[頻]。2. 〈口語〉超音速飛機。n. -s 超聲學;超音速學。
  • 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. Supersonic test for the wall rocks loose zone of chamber and tunnel

    硐室巷道圍巖鬆弛范圍的超聲波測試
  2. The expressed product was lysised with supersonic wave and purified by sds - page. elisa analysis revealed that the antigenicity of the vpi protein has been detected. the forth part - detection of aev - nh937 strain by in situ hybridization ( 1sh ) - probe was labelled with digoxigenin ( dig ). then the probe hybrid with 5d, 10d, and 20d postinfection brain tissue of chicken. the results of the ish showed that the positive signal was found in 3 cases, while control group was negative. there has been a reasonable correlatien between this method and other detection test

    經超聲波裂解,用尿素溶解包涵體,電泳純化后,利用elisa檢測vp _ 1外殼蛋白,表明具有一定抗原性;第四部分:應用原位雜交檢測aevi用dig標記的探針與sd 、 10d 、 20d的攻毒雞腦組織雜交,來檢測那v的rna 。
  3. The present research subject applies supersonic and pressure sensitive techniques of the nondestructive inspection technology in the tensile test of the samples, replacing the old manual operation, manual measurement and naked - eye inspection

    本課題在無損探測技術中選擇超聲技術和壓力傳感器應用到試驗試件拉伸檢測中,取代人工操作、手工測量、肉眼觀察的落後方法。
  4. Numerical study on supersonic ejector of simulated altitude test stand

    高空模擬試車臺超聲速引射器數值研究
  5. The two - dimensional axisymmetric subsonic - transonic - supersonic flow in an experimental arcjet thruster is simulated numerically using flux vector splitting method. the profiles of density, velocity, temperature, pressure and mach number can be obtained by the computation. the computation grid and some computed results are given here. the test equipment such as power supply system, ignition system, propellant supply system, arcjet thruster, thrust measuring device and vacuum system are introduced briefly. some working phenomena of the arcjet are observed and discussed. three different kinds of instability appeared in the process of the experiments. except some important parameters are measured, it is found that the operating stability of argon is better than that of nitrogen

    對一實驗電弧加熱式發動機二維軸對稱亞跨超音速流動進行了數值模擬,所採用的方法是矢通量分裂演算法.通過計算可以得出密度、速度、溫度、壓力和馬赫數的分佈.給出了計算所使用的網格和一些計算結果.簡要介紹了實驗所使用的設備,如電源系統、點火系統、推進劑供給系統、電弧加熱式發動機、推力測量裝置和真空系統.對所觀察到的一些工作現象進行了討論.有三種不同的不穩定性出現于實驗過程.除了所測量的一些重要參數,通過實驗發現氬比氮工作更穩定
  6. Stating manufacturing test - components and checking measure in supersonic detection of using railway wheel shaft for power locomotive. material, checking - measures and test - components manufacturing are the important factors for supersonic detection

    敘述了電力機車在役車軸超聲波探傷工作中的試塊製造、 3種檢測方法,而材料、檢測方法、試塊製造等也是影響超聲波探傷定量的重要因素。
  7. 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。
  8. After that, the one - stage prs is connected with the chemical laser system to test cooperation of the two systems. tests show that the ejecting capacity of the one - stage prs is unable to fulfil the exhaust requkement of the chemical laser system, and that the starting process of the cavity and the diffuser is not thorough and the cavity pressure is too high, with the power output of the laser decreasing sharply. then, based on the achievements of the one - stage prs, a " subsonic - supersonic " two - stage prs is developed and a lot of tests are made

    隨后,開展了單級引射prs系統與df化學激光器的聯試研究工作,通過大量的聯試實驗,研究了激光器配方、引射器引射能力、聯試時序和擴壓器方案等等,對擴壓器和光腔的啟動特性、光腔壓強和出光功率的影響,得出了光腔壓強過低、單級引射prs系統無法滿足其壓縮比要求,需考慮採用兩級引射prs系統的結論。
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