機體激波 的英文怎麼說
中文拼音 [jītǐjībō]
機體激波
英文
shock caused by body-
Laser diode or flash lamp pumped solid state lasers with different wavelength and different operating styles. wavelength tunable laser sources with tial2 o3 laser and optical parametric oscillator laser application machines with laser display, laser material procession
各種波長及各種運轉方式的激光二極體及閃光燈泵浦的固體激光器；採用鈦寶石及光學參量振蕩器的波長可調諧的激光光源；激光應用整機。It is necessary to control the mechanical stimuli precisely in the studies of cardiac mechano - electrical feedback ( mef ). in the present study a ventricular pressure - clamping system has been developed, which can be applied to isolated - perfused rabbit hearts. controlled by a computer, this system not only can make the left ventricle follow a command defining the same pressure wave as that during a beating cycle under physiological condition, but also deliver mechanical stimuli with a proper waveform to the ventricle at a particular time phase. this system integrates multiple functions, including perfusing, pacing, recording of electrocardiogram and monophasic action potentials, and clamping and measuring of ventricular pressures in isolated - perfused hearts. thus, it is a distinct system for investigating the phenomena and mechanisms of cardiac mef at organ level
在心臟機械電反饋的研究中準確控制機械刺激是非常重要的.本研究室構建了一套適用於離體家兔心臟的心室壓力鉗系統.該系統通過計算機控制壓力鉗，不僅能模擬正常生理條件下左心室的壓力波形，還能在心室活動周期的特定時相、以適當波形對心室施加機械刺激.該系統集心臟灌流與起搏、表面心電圖記錄、單相動作電位記錄、心室壓力鉗制與測定等多種功能於一體，特別適用於器官水平上觀察機械電反饋現象並探討其機制Abstract : it is necessary to control the mechanical stimuli precisely in the studies of cardiac mechano - electrical feedback ( mef ). in the present study a ventricular pressure - clamping system has been developed, which can be applied to isolated - perfused rabbit hearts. controlled by a computer, this system not only can make the left ventricle follow a command defining the same pressure wave as that during a beating cycle under physiological condition, but also deliver mechanical stimuli with a proper waveform to the ventricle at a particular time phase. this system integrates multiple functions, including perfusing, pacing, recording of electrocardiogram and monophasic action potentials, and clamping and measuring of ventricular pressures in isolated - perfused hearts. thus, it is a distinct system for investigating the phenomena and mechanisms of cardiac mef at organ level
文摘:在心臟機械電反饋的研究中準確控制機械刺激是非常重要的.本研究室構建了一套適用於離體家兔心臟的心室壓力鉗系統.該系統通過計算機控制壓力鉗，不僅能模擬正常生理條件下左心室的壓力波形，還能在心室活動周期的特定時相、以適當波形對心室施加機械刺激.該系統集心臟灌流與起搏、表面心電圖記錄、單相動作電位記錄、心室壓力鉗制與測定等多種功能於一體，特別適用於器官水平上觀察機械電反饋現象並探討其機制In this paper, firstly, the mechanism of laser plasma shock wave ' s form, the basic formula of the theory of shock wave, the state equation of the shock wave in the water and the relation of the parameters of the shock front are studied
本文首先討論了激光等離子體沖擊波的形成機理、沖擊波理論的基本關系式、水中沖擊波的狀態方程模型以及沖擊波波前參數的關系。The smart rotor with active trailing edge is a new system for reducing the vibration which can adjust the air load of the blade to actively counteract the main harmonic of the force to the fuselage by controlling the deflection of the trailing edge
主動后緣附翼控制是一種較新的旋翼減振系統，它通過控制后緣附翼的偏轉，調節槳葉的氣動載荷，實現對機體激振力主要諧波分量的主動抵消。Eddy - current sensor conversion circuit consist amplification circuit, band - pass filter circuit, demodulation circuit, differentiation phase and data sampling circuit. these circuits are used to convert the test signal of eddy - current sensor to discrete signal tend to process. the microprocessor system that formed of dsp chip is used to data fitting of test system, data displaying and data communicating with personal computer, etc. the interference questions of hardware design and the measure of eliminating interference signal in the subject are introduced in the last of this chapter
硬體電路的設計主要分三大部分來實現：激勵源電路部分，由分頻電路和頻率合成電路組成，產生頻率穩定的激勵信號以確保檢測任務的正常進行；傳感器變換電路部分，由放大電路、濾波電路、檢波電路、鑒相電路和數據採集電路組成，主要將電渦流傳感器檢測線圈檢測到的信號變換成只含有被測信息的離散信號，易於后續電路處理；由dsp晶元構成的微處理系統，主要完成檢測系統的數據擬合、顯示及與主機通信等功能。The project adopts pulsed laser ranging in noncoherent detect mode, uses a 905nm pulsed laser diode as the laser source, detects object with a single apd, adopts an optics - mechanics scanner in object space to obtain images, and obtain distance images and intensity images of object simultaneously
該研究方案採用直接探測脈沖激光測距體制，以波長為905nm的脈沖半導體激光器作為激光光源，利用單元apd探測器進行探測，採用物空間掃描的光機掃描方式進行掃描成像，能同時獲得目標的距離圖像和強度圖像。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。The some fire control system is an advanced multi - senor short range air defense system, which integrated both x and ka bands searching and tracking radars, laser range finder, combined the control computer of subsystem with the master computer, and applied the technology of data fusion
摘要某火控系統集兩個頻率波段的搜索雷達、跟蹤雷達和電視跟蹤器、激光測距機於一體，分系統控制處理計算機與系統主計算機相結合，採用了數據融合技術，是一部多傳感器集成的現代化防空系統，具有搜索性能好、反應時間快、抗干擾能力強、自動化程度高、使用性能好等特點。When activated by an built - in electric waves yanging from 2 to 25 ( microns ) in wavelength and 28 to 34 mw / sq. cm in intensity that coincide with the wavelengths and intensity of the electromagnetic waves released by a human body and are cosquently absorbed by the body ( so - called selective absorption )
其內部所含元素可以通過電能轉換為熱能，當激發到一定溫度，便會產生一種具有不同波長和不同能量的綜合電磁波，這種被吸收的電磁波能增強人體的自身調節機制及免疫力，使癥狀迅速康復，提高機體抵抗力。Taking m6 wing and f4 wing - body configuration as computational examples, some results by solving euler and n - s equations are presented. compared with the results of wind tunnel experiment, the results of n - s solver are much better than those of euler solver, and the upwind scheme is better than the central scheme in catching shock wave
本文以m6機翼和f4翼身組合體為算例，對euler方程和n - s方程的計算結果進行了比較，從算例上可以看出， n - s方程的計算結果更接近實驗值；對中心差分格式和迎風格式的比較，可以看出，在激波的捕捉方面，迎風格式比中心差分格式更精確。Perhaps the difficulty is how to build a im model which not only can work at common state but also can embody the high - frequency characteristic. in this thesis, we build two different parts separately to realize two different states, but we use speed, angle of flux and son on to connect them into one model
主要原因是該方法所需的異步電機模型相當復雜：首先該模型能在基波條件下工作，實現基本的機電能量轉換，其次該模型還要對高頻信號進行響應，體現出高頻激勵下d - q軸阻抗差異特性。Based on the theory of gas dynamics and thermodynamics, the cooling mechanism and the formation and running rule of shock wave in the tube of the thermal separator was explored
從熱力學及氣體動力學角度出發，探討了熱分離機的製冷機理、激波的形成與運動規律。In the thermal separator, the energy is transmitted through the movement of the shock wave. so that, it is of great importance to study the formation, action and controlling of the shock wave for discovering of the mechanism and ameliorating of the running nature of the thermal separator
熱分離機內氣體間能量的傳輸與轉換主要通過激波的運動來實現的，因此深入研究激波的形成、運動、行為及控制方法對于揭示熱分離機的製冷機理和提高其性能有重要意義。Abstract : polyphenylacetylenes were synthesized by rn ( nbd ) cl 2 and wcl6 / ph4sn catalyst systems in n2 at room temperature. polymers with high yield and high molecular weight were obtained. their structures were characterized by uv, ir, nmr and gpc, respectively. the fluorescence of the polymer solution with different concentration was investigated using variable excitation wavelength from uv to visible region. the relation between fluorescence and polymer structure was studied. the results showed that the molecular chain structure has great influence on fluorescence of the polymers. the emitting peak wavelength of fluorescence for the polymer of high stereoregularity is independent of solution concentration and excitation wavelength. the emitting peak wavelength of fluorescence for the polymer with disordered molecular chain arrangement varies with changing the solution concentration and excitation wavelength, and different emission sites in molecular chains and low emitting yield are shown. the measurement and analysis of fluorescence spectroscopy of polyphenylacetylenes may provide some useful information to judge the molecular chain arrangement in some conjugated polymers
文摘:使用有機金屬銠、金屬鎢/四苯基錫催化劑體系聚合苯乙炔，分別獲得了高產率和高分子量的聚苯乙炔.使用uv ， ir ， nmr ， gpc等分別對聚合物結構進行了表徵.採用不同波長的激發光對聚合物熒光性能進行研究，詳細分析了聚合物結構與熒光性能之間的關系.研究結果發現，不同聚合物結構對聚合物熒光性能產生很大影響，規整性高的聚合物，將有較高的發光量子效率；聚合物規整性差，將可能導致多個熒光發光結構點，其熒光強度降低.聚合物熒光光譜研究將對某些共軛聚合物結構的規整性分析提供一些有用的信息For the first time, three types of sine structures for wavelength linear scale in grating spectrum instruments are described systematically. the tuning structures for wavelength linear scale in both littrow and littman set - up external - cavity laser diodes are designed
（ 3 ）首次系統地分析了光柵光譜儀器中的三類正弦機構，分別設計了可實現波長線性標度的littrow和littman外腔半導體激光器調諧機構。Pressure wave refrigerator is a new kind of refrigerating equipment using the shock wave movement to transform gas pressure energy into heat energy. it has been widely used in industrial areas for many advantages
壓力波製冷機是一種依靠激波運動將氣體壓力能轉變成熱能並將熱量形式傳給環境而產生冷效應的一種新型製冷設備，應用前景廣闊。The water ' s absorption in tissues is particularly great, so the erbium laser is suitable. simultaneously we design the laser alignment system, the laser shaping system and the focal setting system. doing the theoretical analysis and experiments, we research and develop a medical blood - sampling instalment of laser, with the good application prospect
因為摻鉺yag固體激光器輸出的中心波長為2 . 94 m ，與水的吸收峰相吻合，而且皮膚組織中水的吸收非常顯著，所以鉺激光是合適的，同時設計了激光對準系統、激光整形系統和聚焦系統，通過理論和實驗研究，研製出一臺激光採血儀樣機，具有良好的應用前景。Different filtering methods have been tested to examine the effects of all kinds of filters. the correction of inertial sensor errors, navigation algorithm, coning motion, and sculling motion have also been investigated. based on the above works, the initial alignment on stationary base using imu with mdrlg has been carried out, and an usable navigation software has been completed
對機抖激光陀螺引起的高頻振動的補償方法進行了研究，對不同的濾波方法進行了試驗;對機抖激光陀螺捷聯系統的儀表誤差補償、導航解算演算法、圓錐補償演算法和劃槳效應補償方法進行了研究;對靜基座條件下機抖激光陀螺捷聯慣導系統的初始對準方法進行了研究，編寫了實用的導航軟體。Double wavelength semiconductor lasers is a kind of novel diode lasers with the function of emitting two wavelength laser. there are various use for double wavelength semiconductor lasers in the different band. 650nm / 780nm double wavelength quantum well lasers mainly apply to the optical pickups of dvd - rom driver and dvd player
雙波長半導體激光器是一種能夠發射兩種波長激光的新型半導體器件，不同波段的雙波長半導體激光器有著不同用途， 650nm 780nm雙波長量子阱激光器主要應用在dvd - rom驅動器和dvd播放機的光學讀取等方面，而大功率950nm 990nm雙波長量子阱激光器主要應用於光學測量等方面。分享友人