空中試驗過的 的英文怎麼說

中文拼音 [kōngzhōngshìyànguòde]
空中試驗過的 英文
air-tested
  • : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
  • : 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
  • : 過Ⅰ動詞[口語] (超越) go beyond the limit; undue; excessiveⅡ名詞(姓氏) a surname
  • : 4次方是 The fourth power of 2 is direction
  • 空中 : in the sky; in the air; aerial; overhead; midair
  • 試驗 : trial; experiment; test
  1. Docking mechanism test - bed is mainly used to simulate dynamics process of two aerocraft ’ s docking on the ground, validate rationality of the mechanism ’ s design and estimate stability of the docking process

    對接機構綜合臺主要用於地面模擬間兩飛行器對接動力學程,對機構設計合理性、對接穩定性進行證和評估。
  2. In the course of working, , the plow will make use of the shuttling method so that it can dig alternately either on the left or on the right. compared to the unilateral plow, it can improve the productivity because it can help leave off the soil 、 take from the consumed energy and reduce the empty journey. to meet the requests above, we will use a remote cylinder with both a small cubage and double functions, approximately designing the plow to be columniform and symmetric. after the experiment for a period in the field, we found that the most frayed areas had happened at the places of both plow shank and share and at the same time the base of the remote cylinder had ruptured suddenly

    與單向犁相比,其優點在於:耕地無開、閉壟,地表平整,降低了耕后整地能量消耗,減少了地頭行程,因而大大提高班次生產率。為了滿足犁體梭式作業要求,我們採用了一隻小容積雙作用液壓油缸;同時對犁壁曲面形狀採用了近似圓柱形對稱設計。但經一段時間田間,我們發現:該犁犁胸部分犁脛和犁鏵上犁尖在工作磨損較為嚴重;主犁梁和油缸缸體連接部分(即油缸底座)突然發生了斷裂,造成整個犁體無法正常工作。
  3. Long - hole and geometrical proportion type of mixing unit is finally adapted in lpg supply system, and power and torque output of lpg engine are improved by increasing compression ratio, and ignition characteristic is tried to adjusted to satisfy engine performance. meantime emission performance and noise level of lpg engine at full - throttle and other various part - throttle operations are tested and compared with former gasoline engine. ( 3 ) it is verified by engine dyno tests that lpg engine has better synthesized performance at aspects of power and torque, fuel economy, as well as emission than former gasoline engine

    選擇了等比例長孔式混合器控制燃比;通提高壓縮比來彌補動力性損失;以動力性為主控目標,對最大功率點、最大扭矩點、等轉速、最低轉速點所對應發動機轉速做了點火特性調節;通燃比合理控制,直接改善發動機動力性、經濟和排放指標;作為對缸內燃燒理論分析,進行了燃燒特性;對原汽油機和新開發液化石油氣發動機,進行了外特性和部分負荷特性以及怠速排放及噪聲對比性測
  4. The evolution course of chinese solid rocket propulsion technology for space missions since 1950s is presented. the technical features, development process, ground tests and flight records of nine typical solid motors are described. these motors were developed for sounding rockets, upper stages of launch vehicles and orbit transfer systems in application satellites respectively. the evolution of basic technology of chinese solid rocket motors and future developing concept are briefly introduced. the information in the paper are all based on the published literatures

    敘述了20世紀50年代以來國航天固體火箭推進技術發展歷程,介紹了9種最具代表性固體火箭發動機技術特徵、研製程、地面和飛行情況,這些發動機分別應用於火箭、運載火箭上面級和應用衛星變軌系統.文還簡要地評述了國固體推進各單項技術發展水平
  5. Abstract : the evolution course of chinese solid rocket propulsion technology for space missions since 1950s is presented. the technical features, development process, ground tests and flight records of nine typical solid motors are described. these motors were developed for sounding rockets, upper stages of launch vehicles and orbit transfer systems in application satellites respectively. the evolution of basic technology of chinese solid rocket motors and future developing concept are briefly introduced. the information in the paper are all based on the published literatures

    文摘:敘述了20世紀50年代以來國航天固體火箭推進技術發展歷程,介紹了9種最具代表性固體火箭發動機技術特徵、研製程、地面和飛行情況,這些發動機分別應用於火箭、運載火箭上面級和應用衛星變軌系統.文還簡要地評述了國固體推進各單項技術發展水平
  6. Meanwhile the results also showed that the main cause of which the game reanalysis data being better than the ncep reanalysis data is the game reanalysis data including the sonde data of the game but not the different assimilation modes of the two reanalysis data

    對game外場期和非game與ncep兩組再分析資料進行對比分析,我們得到, game再分析資料優于ncep再分析資料主要原因是game資料同化系統加入了包括hubex等氣象科學加密觀測資料。
  7. Based on mono - pulse radar system and the analysis of terrain echoes, a geometrical model of air to ground ranging is constituted. by using the signals received from the sum and difference channels of terrain follow radar, a group of the expressions for terrain echoes are educed and characteristics of these echoes are obtained. according to the characteristics of the echoes, the theory and method of pass zero detection of difference channel and its applications are discussed in detail

    針對一維單脈沖雷達體制,分析了地形目標回波特性;建立了地形跟隨雷達地測距幾何關系;利用雷達收發信號,導出了地形跟隨雷達和差接收通道回波信號表達式,進行了波形模擬,得到了地形跟隨雷達地面散射產生回波在時域特性;根據和差回波特性,闡述了差信號零點檢測測距原理和方法及工程實踐應用,並給出了真實雷達對外輻射結果,證了文模擬。
  8. The method of concentrating the decoloration solution of tylosin is usually carried out by thin film vacuum concentration. in this experiment, the concentration process is modified by using the nanofiltration membrane technique which is free from corrosive due to the extractant solvent and in the same time, heating and decomposition of the antibiotic are eliminated, the concentration course ia also distinctly shortened. in this process the small molecule can be filtered by water, and the quality of the product such as, the tyramine content, the solubility of the product, improved significantly. in addition, the membrane filtration process could save consumption of steam and cooling water

    泰樂星提煉原工藝脫色液用薄膜真濃縮,本改進為耐溶媒納濾膜濃縮,料液不需要加熱即可濃縮,防止了料液高溫分解破壞,濃縮收率明顯提高在濃縮同時,部分小分子雜質可以隨水分子一起通納濾膜而除掉,成品質量明顯提高,解決了用原工藝成品酪胺、溶解度不合格質量問題省去了原工藝濃縮費用較高蒸汽、冰鹽水,經濟效益可觀。
  9. Although the shuttle is new and untried in space, two additions to it are already well along in development.

    盡管航天飛機還是新事物,尚未經間飛行,但是,它兩種輔助設備卻一直在積極研製
  10. Analysis of experimental data indicates that there exist several following problems during the whole operation : first, the emission is serious and the density of hc and co smoke is very high at on and off period. second, there is oil dripping from the dripping vitta as a result of the fault of ignition system and combustion structure. the last, there might be accidents of disabled ignition resulted from the improper operation at the beginning

    對樣機分析和研究表明,汽車氣燃油加熱器在整個工作,其排放存在以下三個問題:一、開機和關機兩個階段排放問題嚴重,廢氣hc和co濃度值及煙度測量值都很高;二、因點火系統和燃燒結構缺陷而導致開機后一段時間內有油滴從滴油管滴落;三、在點火,會出現因操作不當而點火失效現象。
  11. This paper analyses the applied characteristic of phase - locked loops ( pll ) for the forward motion compensation technology of lmk aerial survey camera. according to the analysis, a new style pcb is produced. the realization by software for the forward motion compensation is discussed in this paper, which is realized by the ti prduction tms320f240

    在對lmk航攝影機像移補償控制系統再設計工作,本人設計出了新補償電路線路板,並進行了幾項典型研究和前向運動補償效果評價,經外場飛行,進一步證明了該設計可靠性、可行性、實用性。
  12. In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively

    本文通研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在一些水力學問題進行了研究和探討,取得以下主要成果:一、結合小灣工程導流洞改建,對高水頭( 252m ) 、大泄流量( 1400m ~ 3 s )條件下旋流式豎井水流運動特徵進行了比較全面測量,包括腔形態、徑向流速分佈及井壁壓強等;二、提出了豎井腔段螺旋水流水力計算方法,其計算結果與實測值吻合良好;三、利用與計算結果,對旋流式豎井消能機理進行了探討,對豎井各部分消能能力有了總體認識;四、對豎井下部消力井合理井深進行了優化研究,發現消力井合理深度為0 . 9d左右;五、通研究,歸納出豎井水流總摻氣量估算方法,為導流洞排氣方案設計提供了參考依據;六、在高水頭、大流量條件下,豎井腔段下部流速很高,盡管水流螺旋運動引起離心力可以確保井壁壓強保持正壓,但化數依然較低,因此豎井蝕始終是工程界關注重大問題。
  13. Now, a team of investigators at the nasa ames research center in mountain view, california, and at the university of california, santa cruz, has demonstrated experimentally that one of the most important biological building blocks could be created in abundance in outer space

    目前,加利福尼亞州山景市隸屬美國宇航局艾姆斯研究心和聖塔?克魯斯加利福尼亞大學組成專家小組已經通證明一種重要氨基酸可以在外太大量製成。
  14. Meanwhile, according to the reduced theoretic of the open - web truss, the strength simplification computational method are proposed, and in comparison of the theoretical calculating value with the tested one and the behavior analysis of the tested beams during the process, the hypothesis and the theory of the beam are verified and the stress distribution of the circular hole castellated beam is also obtained

    費氏腹桁架簡化計算理論值與實測值對比分析以及對梁在性態分析,證了理論計算及各項假設正確性,分析得出圓孔蜂窩梁圓孔周邊應力分佈特徵;並通撓度分析,提出了實用簡化計算式。
  15. Then, based on the analysis of parachute design process, an expert system is used for the uncertain parameter decision and airdrop experiment fault diagnosis in the course of parachute design. the expert system is used in the parachute integrated design system

    對降落傘設計分析,首次將專家系統技術引入降落傘設計不確定參數決策和故障診斷,並在降落傘集成設計系統得到了運用。
  16. Erosion damage decreases rock load area, after defining damage variable, the damage stress in rock can be calculated by the method bring forward by lemaitre conveniently. for surrounding rock of a deep buried tunnel under the condition of drained, its seepage character is not only controlled by the high stress in rock, but also influenced by the development of erosion damage. in the whole course of rock " s deformation and failure, its seepage character decreases with the increment of stress in elastic stage, while " increases with the development of failure

    巖樣全應力?應變三軸滲透典型表現為隨著應力增加,巖體內隙和裂紋受載閉合,滲透性降低,應力達到一定閾西南交通大學鷹士研究生學位論文第11頁值后,巖體內部裂紋發生擴展和歸並,滲透性增強;同樣,地下水動、靜壓力作用對裂紋擴展和歸並也起著促進作用。
  17. The main contributions to the study on the flashover of insulators in vacuum are as follows : 1. a set of test system for the studies on flashover of insulators in vacuum has been developed, which consists of vacuum system, electrode system, e - dot pulse voltage measurement system, surface charge measurement system, current monitor system and luminescence signal measurement system

    本文主要完成了以下工作: 1 .通設計加工真電極系統,研製e - dot沖擊電壓測量系統、真表面電荷測量系統、沖擊電流和表面微弱光信號測量系統,建成了國內第一套用於研究真絕緣子沿面閃絡現象平臺。
  18. Through comparing and analyzing of bearing capacity, development of crack and strain of reinforced, the results show that the load - deflection plots f or specimens from the finite element analysis agree well with the experimental data, and choosing the rightful stress - strain relationship, utilizing ansys program, the test process can be well simulated. at the same time, making used of the program, the traditional shear wall is analyzed. it shows that comparing with the traditional shear wall, the hollow shear wall ' s cracking load drop 16 %, yield load and failure load drop 13 %, stiffness drop 13 % ~ 22 %

    其次在基礎上,將手段、有限元數值模擬方法和理論分析結合起來,利用有限元程序ansys對其兩片墻板進行非線性有限元分析,並對前後承載性能,裂縫發展、鋼筋應變進行了比較和分析,結果表明有限元節點模型分析荷載-位移曲線和測得數據符合良好,選用合理材料本構模型,利用ansys可以較好模擬程;同時利用有限元模型對比分析了普通剪力墻和心剪力墻,心剪力墻與普通剪力墻對比,其開裂荷載下降16 ,屈服荷載、極限荷載下降13 ,剛度下降13 22 ,開裂至屈服、屈服至極限荷載階段剛度衰減規律與普通剪力墻基本一致,心剪力墻後期剛度比較穩定。
  19. First, it studies the static experimental study on hollow shear walls of reinforced concrete. its aim is to know hollow shear - walls " performance whose ratio of shear span to effective depth of section is between 1 with 2, based on the studies of ones whose ratio of shear span to effective depth of section is between less than 1. by low - cycle and reverse horizontal loading test, their properties, including with strength property, deformation property and energy property, are studied

    本課題是在先前所做剪跨比小於1低矮鋼筋混凝土心剪力墻基礎上,對剪跨比大於1且小於2心剪力墻有一系統認識和了解,通掌握心剪力墻在低周反復水平荷載作用下強度、變形、能量方面特徵。
  20. In the test, the open and closing speed of vacuum switch are measured, and the comparison of theoretical and experimental results shows that the mathematic model and the calculation method are correct and reliable

    實測了真開關動態參數,將實測結果與理論計算進行分析比較,結果表明數學模型與計算方法準確可靠。
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