氣體線速 的英文怎麼說
中文拼音 [qìtǐxiànsù]
氣體線速
英文
linear gas velocity-
Jiaxing renle electric appliance co. ltd is established in 2002 and is the high - technology company integrated the design, development, production, sales with the service after sales. it specially manufactures the products such as the bellows, bellows connector, cableconnector, plastic covered metal hose and drag chain, which is mainly applied in the indus - tries such as the automlbile wire bundle sheathing, ma - chine tool machinery, electrical locomotive, automotive in - struments and meters, motor and engineering installation. the company has passed the certiflcation of international. iso9001 、 2000 quality mangement system. managing the company strictly and improving the product quality makes our company develops rapidly and the product quality keeps the leading position in domestio market
嘉興市雷諾爾電氣有限公司成立於2002年，是集設計、開發、生產、銷售和售後服務於一體的高科技企業，專業生產波紋管，波紋管接頭，電纜接頭，包塑金屬軟管，拖鏈等產品，廣泛應用於汽車線束護套，機床機械，電力機車，自動化儀器儀表，電機馬達，工程安裝等行業的應用，公司已通過國際iso9001 、 2000質量管理體系的認證，嚴格公司管理，提升產品質量，使我公司得以高速發展，產品質量國內領先。At first, on the basis of analyzing the structure of the freeway monitoring system, the paper puts forward systematic network structure ; secondly, it has analysed the composition and function of the montoring software. because this section of road conditions of freeway is very complicated, and there are a lot of tunnels along the freeway, in addition, the weather of some freeway sections is fogy. the system is divided into three subsystems in the function : the freeway section controlling, the fogy district controlling and the tunnel controlling ; thirdly, the main software of the freeway monitoring system is analysed and designed in the dissertation ; at last, the structure of procedure and user ' s interface are given, and the monitoring software of the freeway is implemented
本文先從高速公路監控系統的體系結構入手，提出了系統的網路結構；其次，分析了監控軟體的組成和功能。由於該段高速公路路況復雜，沿線有多個隧道，部分路段還為霧區天氣。所以該系統從功能上劃分為三個子系統：路段監控、霧區監控和隧道監控；然後，對高速公路監控系統的部分軟體進行的分析和設計；最後，實現了高速公路監控系統的部分軟體，給出了主要的程序結構和用戶界面。In this thesis, based on pershing ii surface to surface missile, a new kind of ballistic missile was designed with an additional rocket engine, which can be ignited twice. firstly, aerodynamic computational models of missile body and warhead which reentry with supersonic are built according to the task requirements ; secondly, the propulsion system model of missile is built whose first two stages are solid rocket engines and the third stage is liquid - solid combined rocket engine. the nozzle and the shape of the engine are designed to meet the needs of the populsion project ; thirdly, the trajectory model of the mass point is built and a wavy trajectory is designed & optimized ; finally, the ability of a missile ' s breaking through defence is analyzed
以美國潘興導彈為原型，增加可兩次點火的末級發動機，改裝成具有跳躍能力的地地彈道導彈；首先，根據任務需求，建立了導彈的氣動模型，並建立了彈頭再入時高超聲速氣動模型；其次，建立了導彈推進系統模型，前兩級採用了固體火箭發動機，第三級採用了固?液組合火箭發動機，並在總體方案要求下，對發動機噴管和外形進行了設計；第三部分，建立了導彈質點彈道模型，設計了一條跳躍式彈道，並對跳躍式彈道進行了優化設計；最後，對導彈進行了突防能力分析，從分析的結果可以看出，跳躍式彈道的突防能力比常規的拋物線彈道要強。Undergraduate sports city is located in the center that the first radiate encircles shenzhen urban district, distance downtown makes an appointment with 15 kilometers, circumjacent area makes a road net not only concentrated, have 4 quick ways and 1 is passed in the orbit traffic line that build, more continuous and ceaseless immortal mountain, timbal mountain makes a natural green protective screen, the dragon mouth reservoir of overflow of green jade heave brings infinite lease of life
大學生體育城地處深圳市區第一輻射圈的中心，距離市中心區約15公里，周邊區域不僅交通道路網密集，有4條快速路和1條在建的軌道交通線通過，更有連綿不斷的神仙嶺、銅鼓嶺構成一道天然的綠色屏障，碧波蕩漾的龍口水庫帶來無限的生氣。The cleaning cars has seven major characteristics : 1, the vehicle design aesthetic appearance generous, simple, flexible cleaner compact cab from the sanitation workers in the rain, snow and inclement weather operations headaches ; 2, jia lu cleaning electric car gearbox is my companys patented products, latin america is characterized by heavy goods, light down - climbing and extended battery life ; 3, jia lu electric bicycle bridge cleaning car brake, the company is a patent product, is characterized by simple structure, convenient operation, maintenance easier, better braking performance ; 4, good deer electric car cleaning dustbins with low human workers the high - school, so that sanitation workers can easily handling, reversing a good sight, and reduce incidents, high safety factor ; 5, good deer electric cleaning trucks advanced electric power putter as a dump, the sanitation workers to reduce labor intensity, is characterized by fewer power failures, maintenance - free ; 6, jia lu electric vehicle using toughened glass cleaning cars, advance reversing have good vision, difficult to scratch and ensure the safety of sanitation workers ; 7, good deer by external electric car cleaning plate, a fiberglass liner internal, external characteristics : hinge not on the plate yi loose, often not dump deformation and withstand collisions, the internal use of fiberglass liner, not rust, corrosion, wear after the liner can be replaced, maintaining low cost
該保潔車有七大特點： 1 、該車外型設計美觀大方，操作簡單靈活，明凈小巧的駕駛室免除了環衛工人在雨雪等惡劣天氣作業時的煩惱； 2 、佳鹿電動保潔車變速箱是我公司的專利產品，特點是拉重貨，輕松爬坡而且省電，延長電瓶的使用壽命； 3 、佳鹿電動保潔車后橋雙輪制動，是我公司的專利產品，特點是結構簡單，操作方便，維修容易，制動性能好； 4 、佳鹿電動保潔車超低的垃圾箱符合人體工程學的高度，使環衛工人能輕松地裝卸，倒車時具有良好的視線，減少事故的發生，安全系數高； 5 、佳鹿電動保潔車採用先進的電動推桿作為自卸動力，減輕了環衛工人的勞動強度，特點是故障少功率大，免維護； 6 、佳鹿電動保潔車整車採用鋼化玻璃，前進倒車都有良好的視線，不易劃傷，保證環衛工人的安全； 7 、佳鹿電動保潔車外部採用鋼板，內部採用玻璃鋼內膽，外部特點：鉸鏈在鋼板上不易松動，經常自卸不變形，經得起碰撞，內部採用玻璃鋼內膽，不生銹、不腐蝕，磨損后內膽可以更換，維護成本低。Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively
本文對大圓環直線感應電機進行了深入細致研究，內容包括： （ 1 ）本文採用有限長行波面電流作用於有限長鐵芯上的模型，引用了氣隙磁場一維解，研究了單層繞組磁場，奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較，簡單介紹了二維解； （ 2 ）用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析，並分析了結果； （ 3 ）用軟體進行了額定電壓下的瞬態分析，得到了轉矩，位移，轉速隨時間變化曲線圖，利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較，採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證，由實驗測得了三相電流波形，並與計算結果進行了比較，對其不對稱性進行了定性分析。The feasibility that kaufman ion source is applied in reactive ion beam etching is discussed. etching characteristics of materials, including pr, cr, quartz, are investigated. the etch rate and mechanisms of such materials are measured and analyzed as a function of ion energy, ion beam density and ion incidence angle in pure ar and chf3, respectively. the etch rate has shown a square root dependence on variation versus
深入研究了光刻膠、鉻薄膜、石英等光學材料離子束刻蝕特性，分別以ar氣和chf3為工作氣體，研究光刻膠、鉻薄膜、石英等的刻蝕速率隨離子能量，束流密度和離子入射角度的變化關系，得到刻蝕速率與影響因素的擬合方程，為掩模的製作工藝路線提供了實驗依據和理論指導。The principle and the mechanical structure of the air - gap inductance - type transducer are analyzed in this article, and the static parameters are calibrated. dynamic calibration is applied to air - gap inductance - type transducer which is not good in dynamic capability, to obtain the dynamic parameters of the transducer and its measuring circuit. based on the result of the dynamic calibration, the transducer and its serving circuit are modeled so that the method of how to improve the dynamic performance can be found
本文對現有氣隙式電感傳感器在原理和機械結構上作了深入的分析，對其參數進行了靜態標定；並且針對常規電感傳感器動態響應低，不宜用於快速動態測量的缺點，引入測試系統動力學的思想，設計了一套動態校準系統，對現有傳感器進行多次動態校準，根據動態校準的實驗結果對現有傳感器建立數學模型，得到現有傳感器的動態特性；在此基礎上，根據磨床工件在線檢測的要求，設計一個硬體補償系統來提高整個測試系統的動態特性。To search for high - velocity molecular emission toward massive star formation regions, and to study the connections between h2o masers, iras objects and outflow properties, we carried out a co observation for a h2o maser sample. we found that most of the objects have excess high velocity emission produced by outflows ; we find a significant correlation between co line full widths and iras luminosities. the widths are proportional to the iras luminosities
通過在大質量恆星形成區搜尋高速分子輻射，並且研究它們與星際h _ 2o脈澤源和所聯系的紅外源之間的關系，我們發現絕大多數源都存在著氣體的高速運動並且它們是由分子外流產生的；我們同時發現在co分子的譜線全寬和所對應源的紅外光度之間存在很好的相關性，線寬隨紅外光度增加而變大。An ultrasonic crossjet with a non - symmetric laval cavity is designed based on the aerodynamic theory
根據氣體動力學原理設計了一種超音速非對稱拉法爾腔體結構的噴嘴，並建立了噴嘴內部拉法爾曲線方程。The tensile and compression experiment on bulk nanocrystalline ag prepared by igc method was carried on mt810 with different grain sizes and zwick 10tn2s machine at different strain rates under normal temperature respectively. the stain rate sensitivity m was found to be 0. 025, which was extremely lower than the ordinary values. also the work hardening exponent is very low
本文從用惰性氣體蒸發冷凝和真空原位壓結法（ igc ）制備得到的直徑80mm ，厚度7 . 6mm的大尺寸納米晶金屬ag樣品上切割得到符合力學實驗要求的拉伸和壓縮試樣，在mts810和zwick精密力學測試機上分別精確測定了拉伸和壓縮應力?應變曲線與晶粒尺寸和應變速率的關系。The second chapter simply introduces the development of alternate asynchronous inverter technology and retrospects some types of energy - saving systems for hydraulic elevators. then the working principles of the project are discussed and analyzed at four different working status, i. e. light load upwards, heavy load upwards, light load downwards and heavy load downwards. and the chapter focus on the introduction of structure design of pump station, calculation and type selection of pump / motor reversible units, research on oil leakage principles of accumulator circuit, design of accumulator - pump / motor pressure - energy transformer and integrated valve blocks, etc. the last but not the least, the electrical wiring of vector inverter control cabin and design of computer control and data acquisition system are introduced
論文第二章首先簡單介紹了交流異步電動機變頻調速技術的發展概況，在回顧電梯液壓控制系統節能技術的基礎上，介紹了本課題研製的「採用蓄能器的液壓電梯變頻節能控制系統研究」的基本原理，分析了動力系統在電梯轎廂輕載上下行、重載上下行等四種典型工況下的基本工作狀態和工作方式；詳細地介紹了本課題節能系統液壓動力泵站的結構設計和參數設計，重點研究了液壓動力泵站的結構設計、液壓泵馬達可逆性問題及其選型設計計算、蓄能器迴路泄漏油損失機理的研究及其補償裝置的設計、蓄能器-泵馬達壓力能量轉換裝置的設計、多功能集成控制閥組的設計等內容；最後簡單介紹了本課題矢量控制變頻控制櫃的外部附件電氣接線、計算機控制及數據採集系統的硬體設計等內容。In electron storage rings, the interactions by beams with residual gas produce the bremsstrahlung which has not been sufficiently understood and is the main course of the loss of the beam
由於加速器產生高能粒子，在實際應用中必須面臨輻射防護方面的問題。加速器儲存環直線節中殘余氣體產生的軔致輻射是同步輻射裝置中光束線防護的重要課題之一。Ph linearization method is employed to solve a nonlinear reynolds equation for a steady state and micro - scale flow field, and the approximate function expressions of gas dynamic pressure and velocity in the spiral groove are obtained
摘要應用ph線性化方法、迭代法，近似求解了螺旋槽內穩態微尺度流動場的非線性雷諾方程，求得了氣體動壓和速度分佈的解析解。The paper introduces acquired air rate of flow in admission pipes and fluidity in cylinder on single cylinder or multi cylinder engines with hot - wire anemometer, and demarcation and adjustment method of measure values are provided
摘要本文介紹了利用熱線風速儀測量單缸與多缸內燃機進氣管內流速、氣缸內氣體流動以及標定與修正的方法。Rotor blades rotate almost same speed of with same circumference speed with injected gas speed from lv pocket
轉子風葉的圓周線速度幾乎與lv氣室噴出的氣體速度相同。Abstract : this paper introduce the basic theory of the hot - wire / film anemometer and the method to determine the flow velocity of calibration nozzle system. this calibration nozzle system is designed for the calibration of hot - wire / film anemometer. a method to determine the uncertainty of this system is fully analyzed using uncertainty thoery in this paper
文摘:介紹了熱線熱膜流速儀的基本原理和用於熱線熱膜流速儀校準用的校準噴嘴系統的氣體速度確定方法，分析和推導了用不確定度理論全面分析系統不確定度的方法。Ventilation function and tracer - gas decay theory are applied to design the experiment. in the experiment, velocity and carbon dioxide concentration are measured and carbon dioxide time - levels in different experimental cases are obtained. also, the effect of moving people in experimental room on contaminant field is analyzed and subjective feelings are investigated
本課題首次以旋流通風方式為研究主線，運用通風方程和示蹤氣體衰減理論設計實驗方案，對旋流通風方式下普通會議室的速度、二氧化碳濃度進行了測試，分析了人員隨意走動對濃度分佈的影響，並調查了受試人員對各工況的主觀評價。Compared with the common inertial devices, they offer significant practical advantages. thermal optimization of the micromachined convective accelerometer was theoretically conducted and experimentally tested. the effects of sensor position, cavity size, operating power and gas media on the sensitivity, linearity and response frequency of the convective accelerometer were numerically analyzed
採用數值模擬和實驗相結合的方法對熱對流加速度計進行了優化分析，研究了溫度傳感器的位置、器件尺寸、加熱絲的加熱功率和工作氣體種類對加速度計的靈敏度、線性度和響應頻率的影響。Data from existing x - ray satellites that show images of gas whizzing about black holes at close to the speed of light hint that time slows as the gas plunges into the zone from which escape is impossible
從現有的x射線衛星傳回的數據顯示，氣體以接近光速的速度呼嘯著被吸入黑洞，這暗示當氣體進入這個不可逃逸的空間時，時間慢了下來。分享友人