推力測定 的英文怎麼說

中文拼音 [tuīlìcèdìng]
推力測定 英文
measurement of thrust
  • 推 : 動詞1 （向外用力使物體移動） push; shove 2 （磨或碾） turn a mill or grindstone; grind 3 （剪或削...
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 定 : 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...
  • 推力 : visatergo; soot; propulsive force; thrust; momentum thrust
  • 測定 : determine; determination; setting-out; admeasurement; assignment; assay; finding
  1. Pot experiments materials were carried out to determine the cold hardiness of six varieties cultivated popularly in henan, named bainong aikang 58, handan 6172, yumai 49, yumai 54 - 99, yumai 18, yumai 2, under controlled temperature at seedling stage, over - wintering stage, green returned stage and jointing stage for identifying

    摘要以河南省主推品種百農矮抗58 、邯鄲6172 、豫麥49號、豫麥54 - 99系、豫麥18號、豫麥2號6個小麥品種為材料，通過控制各生育時期的生長溫度，分別測定苗期、越冬期、返青期和拔節期各品種的抗寒能力。
  2. Small craft - static thrust measurement for outboard motors

    舷外機的靜推力測定
  3. 4. the thrust measurement device was calibrated, and the accuracy was 2 % fs. at the same time the signal of thrust measurement was input to the computer. e - type chromel - constantan thermocouple was used to measure the temperature of mpt, and the accuracy was 5 % fs. the vacuum measurement was realized by using zdf - 5427m vacuometer, and the accuracy was 3 % fs

    （ 4 ）對推力測量系統進行了標定並實現了計算機採集，推力測量系統最大相對誤差為2 fs ；溫度測量目前還只限於對mpt諧振腔壁溫的測量，使用e型鎳鉻?康銅熱電偶即可較容易實現，其測量精度為5 fs ；真空測量採用zdf - 5427m微機型復合真空計，其由熱偶計和熱陰極電離計復合而成，該真空計測量控制精度為3 fs 。
  4. Even when admission by recommendation and screening program began in 1994, the majority of freshmen must get the scores in assigned - subject test or subject - competence test before applying - therefore, under multiple entrance program, jcee remains

    即便在1994年推薦甄試入學方案上路，迄今每年大部分的學生，是透過學科能力測驗或指定科目考試成績進入大學所以在多元入學方案下，大學聯考其實並未消失。
  5. To evaluate load bearing capacity of slab with slightly curved bottom, and provide scientific basis for strengthening and remaking and designing the slab, this paper discuss the method of calculating load bearing capacity of slab with slightly curved bottom according to the ministry of communications " scientific research project, that is technique research of detection, evaluation and strengthening and its spread

    為了對其承載力做出較正確評價，並能為加固改造、設計提供科學依據，根據交通部《公路舊橋檢測評定和加固技術研究及推廣應用》科研項目的要求，本文對微彎板的承載力確定方法進行研究。
  6. The comparison of calculation results with experimental data confirms the reliable of the determination method of the flight thrust

    應用表明，推力計算方法正確，改進的測控程序運行良好、方便實用、穩定可靠。
  7. This part introduces the current situation and issues of tourism advertisement of our country, analyses the basic principles of tourism advertising marketing ; partly originally and ; in advertisement effect analysis and judging of focusing mass attention analyses contributions to the causing masses " attention of media. by the form of market questionnaire investigation draws to some laws of concerning media in jinan and popularizing schemes of media in japanese which is our main guest country ; at last determines and appraises the advertising result by the methods of selling achievement determining and gain - lose equalization point

    本部分介紹了我國旅遊廣告的現狀和問題，分析了旅遊廣告營銷的基本原理；在廣告聚斂公眾注意力的效果分析與評判中分析了媒體對引發公眾注意力的貢獻，採用市場問卷調查的形式得出濟南公眾對媒體的關注規律和對主要客源國日本的媒體推廣方案；最後用銷售成果測定法和虧盈平衡點法對廣告效果進行測定和評價。
  8. Focusing on the performance evaluating and the design of tripropellant injector, adopting the cold test rig with background pressure supply, malvem particle analyzer, ccd photography system, tripropellant hot test - bed, numerical simulation software and auxiliary theoretical a nalysis, the d ischarge c haracteristic a s w ell a s a tomization p erformance o f the injector and the combustion performance as well as the mode - transition characteristic of thrust chamber are studied detailedly based on the 3 different structures of coaxial tripropellant injector, large numbers of important conclusions are gained

    本文圍繞三組元噴嘴的性能評定及設計方法。採用反壓冷試臺、馬爾文測粒儀、 ccd高速攝影系統、三組元發動機熱態試驗臺、數值模擬程序及輔助理論分析等多種技術手段和研究方法，對三種結構的同軸式三組元噴嘴深入進行了噴嘴流量特性和霧化特性、推力室燃燒性能和轉工況性能研究，得到了大量重要結果。
  9. Use of time sequence method to predict the future growth trend of the fixed network telecom industry revenue ; contrasting the fixed telephone development of town and village, adopting logistic growth curve econometrics method to analyze three development stages of chinese village fixed telephone market ; draw a conclusion that the chinese village fixed telephone has a huge development potential ; and predict the development trend of village fixed network telecom in several years ; adopting logistic growth curve method to calculate and analyze internet business growth stage ; while studying internet development potential, we draw a conclusion that internet business also have a good growth foreground, and give a quantitative predict of internet industry development

    運用時間序列外推法預測未來固網電信業收入增長趨勢;通過城鎮與農村固定電話發展對比，採用logistic成長曲線計量經濟方法分析了中國農村固定電話市場發展的三個階段，認為中國農村固定電話處于高速發展的中期，具很大的發展潛力，並定量預測出未來中國農村固話發展趨勢;在研究網際網路及寬帶接入業務發展潛力時，同樣採用logistic成長曲線計量方法，分析了網際網路業務成長階段，得出網際網路業務尤其是寬帶業務具有很好的增長前景的結論，並定量預測出未來網際網路業務、寬帶業務的增長趨勢。
  10. This article describes a way of special ultrasonic system which monitors thermal stress in seamless welded rails. this monitoring system is a non destructive testing system, which adopts avr mcu and high - precise time chip processing as the core of it, and adopts the critically refracted longitudinal wave as the object of measuring. my studying focuses on the theory of the monitoring system, which will be listed in this arctile : according to the snell theory, the theory of motivating of critically refracted longitudinal wave is described in details, and the finite element software is used to emulate the propagating course. the formulas of calculating the pts of swr are taken from the acoustoelasticity theory, and the calculating the parameters is introduced. according to assemble materials, three kinds of ways of monitoring the pts of swr using critically refracted longitudinal wave are described, which are measuring the sound - time in changeless distance, ultrasonic critical - angle refractomery and frequency spectrum, the first way of ways is used in this experiment system. the factors, which effect the monitoring system, are assaid in some degree based

    本文的研究工作重點在無縫焊接鋼軌溫度應力測量系統的理論模塊，包括根據snell原理，研究極限折射縱波的激發機理，並使用有限元軟體ansys進行模擬;根據聲彈性理論以及公式推導出計算無縫焊接鋼軌中的溫度應力的公式，並對其中參數的求解方法進行介紹;根據收集的資料，介紹了三種使用極限折射縱波測量無縫焊接鋼軌溫度應力的方法，即固定距離測量聲時法、臨界角折射法和頻譜分析法，本實驗系統使用的是第一種;根據實驗經驗以及相關資料，分析了影響極限折射縱波測量溫度應力的幾個因素，並提出了相應的解決方法;根據實驗系統的需要，獨立設計並加工出相關配套的實驗設備，包括實驗鋼塊、有機玻璃楔塊、固定件、載荷外框裝置等。
  11. The method of indirectly measuring force exerted on ground by bucket is used to check cantilever bucket - wheel stacker / reclaimer counter - weight, working out the hydraulic cylinder force to determine the force exerted on ground by bucket and thus counterweight value

    摘要針對懸臂斗輪堆取料機配重的校核提出了1種間接測定接地力的方法，即通過懸臂升降液壓缸上下油腔壓力計算出液壓缸受力，進一步推算出堆取料機的接地力，從而確定配重安裝量。
  12. Calculating method of landslides drive force, and determination of the diameters of borehole and anchor cable, the number of the anchor cables, the anchorage length and types of the anchor head as well are also discussed

    本文還探討了作用在抗滑樁上的滑坡推力設計值的計算方法，以及錨索材料的選定、錨固深度計算、錨頭類型選擇、錨索與樁的連接設計、施工工藝與質量控制措施、檢測與監測等等。
  13. Finally, by practical test, experimental data obtained show that the dynamic thrust measuring system is dramatically available and successful. especially, it shows that when the impulse width is 20ms and the duty ratio is 1 : 3, the measured results are stable and reliable. hence, the system designed here can meat the test requirements of the actual applications, and the technology studied in the thesis also give a good foundation to future research work

    最後，系統建成以後，通過多次調試試車、考核試車和實際型號試車的考核，試車結果表明，該系統的設計是成功的，動態推力數據穩定、可靠，可滿足發動機以20ms脈寬工作，占空比為1 : 3的情況下，進行發動機的動態推力性能指標測試，滿足實際應用的需求，為進一步進行動態推力測試技術研究奠定了良好的基礎。
  14. At present, the main methods used in the study on chinese traditional medicine in gastrointestinal dynamics animal experiment are gastric emptying and small intestine motional rate mensuration, parent electric bridge strain gauge mensuration, gut hormone determination ( gas, mot, ss et ), immunohistochemical method, excised gastrointestinal smooth muscle dynamoscopy, intragastric and intestine pressure tracing

    摘要中藥在胃腸動力動物基礎實驗研究，目前主要採用胃排空小腸推進率測定法、胃腸道腔外電橋式應力傳感器記錄法、胃腸激素測定（胃泌素、胃動素、生長抑素等） 、免疫組織化學方法、離體體胃腸平滑肌肌條動力測定、胃腸內壓描記法。
  15. It is stated systematically in the thesis the method ' s theories and measuring principle of all kinds of geostress determination technology. in particular the four methods recommended in 1987 by the committee of test method of the international society of rock mechanics, i. e. two over - coring methods of strain relief in boreholes, hydraulic fracturing method and stress furbish measurement which measures the surface stress

    本文較為系統地、全面地介紹了當前國內外通用的各種地應力測量方法的理論、測量原理；特別就國際巖石力學學會試驗方法委員會於1987年推薦的4種地應力測定方法（鉆孔孔徑變形測量法、鉆孔孔壁應變測量法、水壓致裂法以及測量巖體表面應力的應力恢復測量法）作了較為詳細的敘述。
  16. Testing concrete - recommendations for determination of strain in concrete

    混凝土試驗.第206部分:混凝土應力測定的推薦方法
  17. When an engine works under the vacuum condition. so existing experimental products can be proof - tested by it and all test results obtained will be used for reference for the aero craft. accordingly, the technology studied in the thesis is quite significative to improve the efficiency of the engines of space propulsion system, economize limited resources on the spacecrafts, and prolong their lives

    其目的是建立一個能滿足小推力液體火箭發動機動態推力測試的系統，以便能夠根據空間推進系統對發動機越來越高的工作性能要求，真實有效地反映發動機在真空環境下的工作狀態等，對已經設計和生產出的發動機在高空模擬條件下進行實際測試，從而提供發動機的動態性能指標，為發動機的定型提供試驗數據和依據。
  18. 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
  19. Two key problems were solved : 1 ) to cancel the disturb of microwave cable rigidity on small thrust measurement of mpt adopting soft wave - guide without jacket as elastic linker, 2 ) to successfully realized separation of self - weight and thrust of mpt adopting small thrust measurement device of balance type, electromagnetic feedback and automatically compensation. so, the measurement precision and stability were greatly raised in actually application of small thrust measurement device

    採用無護套的金屬軟波導管作為微波傳輸系統的彈性連件、天平式電磁反饋自動補償的小推力測量裝置，成功地實現了mpt自重與其產生的推力分離、解決了微波傳輸電纜對mpt小推力測量干擾的關鍵問題，在實現mpt小推力測量的實際應用中提高了測量精度和穩定性。
  20. Adding injection on bottom or fore wall of cavity, based on chief injections on upstream, provides worse lean flameholding performance. experiments on the drag of cavity flame holder were conducted by force measurement system

    利用直連式試驗臺推力測量系統，對凹腔火焰穩定器的阻力特性進行了試驗研究，主要對不同噴注方式、不同當量比時的熱試阻力特性進行了對比和分析。
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