氣體干擾 的英文怎麼說
中文拼音 [qìtǐgānrǎo]
氣體干擾
英文
gas interference-
The author wish this study win be used in the development of numerical control dividing lathe that can divide into groups of the size for precise measure of thickness of ompressor carboy hatch soft shim the system of pneumatic measure applied widely for component measurement in produce process in factory. the author 100kup a large number related documents over about one and half year for research and went to factory and related research institute for investigating
並希望將這一研究結果應用於對「壓縮機缸蓋軟體墊片」厚度尺寸精密測量分組的數控分選機的研製。氣動測量系統以其測量倍率高、測量精度高、測量力小( 0 . 05 1n ) 、對被測工件有自潔作用、測量精度保持性好、抗干擾能力強等優點而被廣泛應用於工廠生產過程中的零件檢測。It ’ s often used to cover the special target in special area or is used to make false attacking situation. these small light and cheap jamming devices always are thrown to the area near the target. they are manipulated or not to jam the foe ’ s military electronic device such as radar and radio etc. the device weighs about one kilogram and is as big as mauley
分散式干擾是在無人機機載和氣球載干擾機等形式上發展起來的電子對抗設備,通常是為了掩護特定區域的目標或在某一地區內製造假的進攻態勢,將眾多體積小、質量輕、價格便宜的小型干擾源散布在接近被干擾目標的空域、地域上,自動地或受控地對選定的軍事電子設備進行干擾。Experiment study of aerodynamic interactions of projectile with jet from its forebody
彈丸前體噴流的氣動力干擾實驗研究Chapter two is data sample of system. it will discuss the data conversion theory, 24bit e - a data conversion, mux - channel switch sampling technology, and emc design. among them, we will introduce the principle and application of ads 1251, application of photomos technology in mux - channel switch sampling, and emc design with hardware and software of gas feed controller, which has good performance in reliability
第二章介紹系統的數據採集,該部分包括24bit -采樣原理、多路信號切換採集技術和電磁兼容設計,其中,主要介紹了ads1251晶元的工作原理和應用, photomos技術在多路信號切換采樣中的應用,以及配氣控制器在硬體、軟體等方面所做的電磁兼容設計,通過這些設計使得系統具有很好的穩定性和抗干擾性。Many mncs have even their own airboat advertising system ; some other companies would like to make advertise by hiring ; airboat advertise featuring good promotion effect, sound attractiveness, large area, vivified image, especailly when appearing in the endless sky, it can remind so much people feeling the interest ; the best result but the lowest cost make it more suitalbe for every enterprise ; it can used on many cases like ceremony, celebration, memory activity, amusment, lottery drawing and sports games, it is truly the best choice for a company to make a impressed product promotion
空中飛艇廣告具有宣傳性好,吸引度高,刺激力強,受眾面廣,渲染氣氛,視覺鮮明的特點,尤為重要的是在毫無視覺干擾的一望無際的天空中,它的突出性極度地增強了人們的好奇心與注意力,正是由於此種獨特的廣告傳播方式產生的明顯的廣告視覺效果,高強度的廣告效果更體現了較其他廣告形式的低成本價格,因此,擅於掌握商機的企業可將此種廣告方式作為重要選擇。On the theory, the predictive function control method based on the state space is discussed and the simulation results validate the pfc method ' s advantages on robust and anti - jamming comparing with pid method by computer simulation. the application research includes the application of the software of predictive function control ( apc - pfc ) and the software of the multiple - variables predictive control ( apc - hiecori ). the former were applied in the temperature control chlorinating process and ph control in the process of zymolysis of penicillin, the latter were applied in the advanced control of reclaim equipment of lox in china petroleum & chemical corporation yangzi petrochemical co., ltd
本文主要從理論和應用兩方面對預測控制方法進行了研究,理論方面主要是從預測函數控制的基本原理出發,研究了一般情況下的基於狀態空間描述的預測函數控制策略,並通過計算機模擬驗證了pfc演算法比常規pid演算法具有更好的魯棒性和抗干擾性:在實際工業過程的應用上,又分為兩類演算法及軟體的應用,預測函數控制策略及apc - pfc軟體的應用主要以聚乙烯氯化過程的溫度控制和青霉素發酵過程的ph值控制為主,多變量預測控制演算法和apc - hiecon軟體的應用主要以揚子石化公司的液化氣回收裝置先進控制為主。In this experiment, the quantity change of partial pressure of main elements is given by longtime dynamic measuring of metal dewar exhausting with quadrupole mass spectrometer ( qms ), the results show that exhausting technology influences outgassing of dewar vacuum vessel, this paper gives the theory, equipment, method, data and disturb fators, we also give primary investigation how the main gases affect the vacuum integrity of dewar and point out the possible ways which can be applied to present technology
摘要實驗研究用四極質譜儀對金屬杜瓦排氣進行長期動態監測,跟蹤內部主要氣體成分的分壓強的大小變化,得出排氣工藝對杜瓦內表面放氣量大小的影響,介紹了實驗的原理、裝置、方法、數據和干擾因素,對影響杜瓦真空度的主要氣體成分進行了初步研究,提出改進杜瓦排氣工藝的可能方向,對工藝處理具有實際意義。Aiming at such problems in combustion system of homemade middle and miniature boiler, as a complex system with the character of dead zone, time variation, serious non - linearity, large time delay, coupling and a lot of disturbance, this paper presents a new set of optimal control resources. by using well - matched control method on system, stable automatic running is realized. having the serious divulgence coals difference a lot from each other in character, instability of chemistry, value of lowest emission of heat, home - made boiler controller is not at all ideal. instead of traditional model that controls the ratio based on proportional control or with the correct signal of the amount of oxygen, this paper, combined with intellect control theory - - fuzzy control and self - optimizing concept, propounded a kind of fuzzy self - optimizing controller to be used in air supplying system of the boiler, and expatiates on the idea of dividing the control process into two parts, dynamic and static to realize, thus meets the demand of homemade boiler economic running
本設計針對國產中、小型電站鍋爐燃燒系統參數時變、嚴重非線性、干擾因素復雜、耦合嚴重、模型不易確定的特點,提出多變量協調控制方案,解決了系統可控性差,難以實現穩定自動運行的問題;在此基礎上,改變以往以煙氣含氧量控制送風的傳統模式,針對國產電站鍋爐設備主體及一、二次送風迴路泄露嚴重,煤種混雜、成分不穩定、燃燒發熱值低、燃燒效率不高等問題,應用智能控制理論中的模糊控制技術,結合自尋最優控制的思想,設計了一種模糊自尋優控制器,應用在電站鍋爐送風控制系統上,並闡述了動靜態兩種實現途徑,通過在線優化風煤配比,實現最佳經濟燃燒,切實保障了鍋爐的經濟運行。Inordinately large doses in man may cause death by interference with gaseous exchange due to development of pulmonary edema.
用量過大,用藥人因此產生肺水腫,干擾氣體交換而導致死亡。The aerodynamic parameters are calculated under dynamic condition. according to the position and the posture of the bomb, the parameters are calculated every short interval until it leaves the interfere area
本文採用了在動態條件下求解航彈氣動力的方法,每隔很短的一個時間間隔就根據彈體的位置和姿態重新計算其氣動力參數,直至航彈脫離機翼、機身的干擾區。In the determination of residual pesticides in onion, garlic and chives by gc - ms, the sample was treated with phosphoric acid or with microwave before crushing, to make the allinase inactive and to eliminate the matrix interference
摘要採用氣相色譜及質譜聯用技術,測定蔥、蒜及韭菜等蔬菜中多種農藥殘留量時,在粉碎試樣之前,用磷酸或微波加熱處理試樣,可使蒜酶鈍化並消除其基體干擾。It is an effective way to solve this problem by combining piezoelectric quartz crystal sensor array with chemometrics. however, there were few reports in designing electric circuit, which would influence the response due to mutually interfering between oscillators. so, it is necessary to design a vibration circuit and develop it into small and convenient instrumentation to overcome this limitation
另一方面,單一的具有選擇性的傳感器在實際多組分氣體的檢測中受到限制,而採用壓電石英傳感器陣列再結合化學計量學手段進行數據處理卻是解決這個問題的一個有效途徑,然而在它的電路設計方面,由於共振電路間的相互影響,使檢測受到很大幹擾,因此設計一個相互無干擾的起振裝置來解決這個問題是十分有必要的。From a physical point of view, it is the result of a mechanical disturbance of some object in a physical medium, such as air
從物理角度講,它是某一物體在物質中介(比如空氣)中受到機械式干擾的結果。Stabilization of greenhouse gas concentrations in the atmosphere at a level that would prevent dangerous anthropogenic interference with the climate system
將大氣中溫室氣體的濃度穩定在防止氣候系統受到危險的人為干擾的水平上。In this study, the transonic shock - wave / boundary - layer interaction and viscous shear stress for the turbine and compressor stator were simulated used the implicit two - factor flux - splitting schemes for solving the thin - layer compressible flow
除驗證各式正確性外並模擬葉片外形對氣流分離、震波/邊界層相互干擾及壓縮比等關系,以及流體黏滯性等影響下,引擎能量損失與效益分析。First, according to the heterogeneity of landscape in zherong, the author selected the dominant elements such as topography, altitude and climate which reflect the large scale of area differences and the stastistical materials which have long - reaching effects on the county. the county was divided into 8 landscape types : resident and trade area, industry area, traffic land, farmland, garden and greening land, water area, forestry area, unclaimed land. the types have 21 subtypes, the city area, county area, heavily polluted industry area, little maching area, road land, country road land, cultivated land. mushroom land. taizishen land, tea land, man - made greening land, garden land, reservoir area, river and creek area. defending forestry area, forbid - cut forestry area, bamboo area, economical forestry area, unclaimed mountain, unclaimed land, unclaimed water
同時,根據該縣景觀異質性強的特點,以行政區劃單位、人為干擾強度、景觀要素和功能流為柘榮縣城市景觀分類的原則和依據,選擇地貌、海拔、氣候等反映區域分異的主導因子和對該縣社會經濟影響深遠的統計資料,將全縣劃分為8個景觀類型,即居住區和商業區景觀、工業區景觀、交通用地景觀、農田景觀、公園綠地景觀、水體景觀、林區景觀、未開發地景觀。景觀類型下又劃分21景觀亞類型,分別為城區景觀、村落聚居地景觀、重污染工業景觀、小加工業景觀、公路景觀、鄉村道路景觀、耕地景觀、食用菌景觀、太子參景觀、茶園景觀、人造綠地景觀、公園景觀、水庫景觀、溪河景觀、防護林景觀、封山育林區景觀、竹林景觀、經濟林景觀、荒山景觀、荒水景觀、荒地景觀等景觀亞類型。This paper comprises two parts : radar clutter simulation and adaptive moving target indication. in the former part, we analyse the generation mechanism of single - channel radar correlated clutter and illuminate the simulated modeling way of rayleigh, log - norm, wei bull, k - distributed clutter with special power spetrum. all these models are used into the practical simulation of ground clutter, cloud - rain clutter and chaff jammer according to their features
在雷達雜波模擬部分分析雜波的產生尤其是單通道相關雷達雜波產生的機理,具體闡明了在指定雜波功率譜情況下,幅度服從瑞利分佈、對數正態分佈、韋伯分佈和k -分佈的雜波的建模與模擬方法,並根據不同分佈的特點,將其應用到地雜波、氣象雜波和箔條干擾的模擬中。It has a very complete products line, from cat - 5, cat - 6 to cat - 7, from utp, ftp to optic - fiber, information module, patch cord and headband etc. the products number has come to more than 500. it can provide all series of cabling products for the wider users, especially, the ftp cabling system is the expertise of schneider electric. no matter it is workshop that endures strong the electromagnetism radiation interfere, or governmental organs that have high security level requirement and the cabling system can " t product electromagnetism radiation, several patent ftp technologies that schneider electric has can ensure the safety of network
據悉,梅蘭日蘭infra +系列定位於高端客戶群體,以品質著稱,自2001年以來已在法國的本土綜合布線市場佔有率名列第一,擁有非常完整的產品線,從超5類、 6類到7類,從非屏蔽、屏蔽到光纖,以及信息模塊、跳線、面板等等,產品編號已達500多個,可以為廣大的用戶提供全系列布線產品,尤其是屏蔽布線系統更是施耐德電氣的專長,無論電磁輻射干擾強烈的工廠生產車間,還是對網路安全性要求較高、布線系統不能產生電磁輻射的政府機關中,施耐德電氣所擁有的多種專利屏蔽技術都能夠確保網路安全。Based on the mechanism of slipstream interaction, described in this thesis is firstly the interaction of the propeller slipstream with the wing 、 fuselage and horizontal tail. subsequently, the changes in lift 、 drag and pitching moment are derived, giving an engineering model for the prediction of the increments in the aerodynamic characteristics caused by the interference between the propeller slipstream and the other parts of aircraft. this method offers a powerful means to the calculation of the aerodynamic interaction between the propeller and the aircraft, providing reliable data for the design of and aerodynamic calculation on propeller - powered aircraft
本文以滑流干擾的機理為出發點,研究了螺旋槳滑流與飛機機翼、機身、平尾組合體之間的相互影響,推導出滑流引起的飛機升力、阻力和俯仰力矩的變化,給出了滑流干擾對機體氣動特性影響的工程估算方法,為研究螺旋槳與飛機部件之間的相互干擾提供了有力的工具,為以螺旋槳發動機為動力的飛機的設計和氣動計算提供可靠的依據。After the data is analyzed, the software of fluent is used to calculate the flowfield. in order to make the calculation results agree with the experimental data, the model of the calculation has been modified based on the results of the experiment data
詳細分析比較旋翼機翼間的氣動干擾試驗數據后,應用fluent軟體進行分析計算,根據試驗結果修正計算模型,使計算結果與試驗結果趨於一致。分享友人