機上推力 的英文怎麼說
中文拼音 [jīshàngtuīlì]
機上推力
英文
installed thrust-
Catching hold of the favorable opportunity of china entering world trade organization, tongzhou zone committee, zone government continue to insist on advancing with time, closely surround the topic of development. with the aim of establishing optimal human inhabitation environment to construct modern city, they change government function, establish service consciousness, correctitude work attitude, improve work efficiency, in good earnest provide excellent environment, good quality service, favorable policy for investors, in the examining sector of project push project service one continuous line and project commission system, time limit system, promises system etc. methods, and make investors reassuring and commit to the deploitation of market, development of product, management of production and the development of enterprise
抓住中國加入世貿組織的有利時機，通州區委、區政府繼續堅持與時俱進，緊緊圍繞發展這一主題，以創建最佳人居環境為目標來建設現代化城市，轉變政府職能、確立服務意識、端正工作態度、提高辦事效率，真心實意地為投資者提供優良的環境、優質的服務、優惠的政策，在項目的審批環節上，推行項目服務一條龍和項目代辦制、時限制、承諾制等辦法，使投資者安心並致力於市場的開拓、產品的開發、生產的管理和企業的發展。A 3 - d viscosity turbulence model is used to analyze the unsteady around flow field of the thrust - vectoring engine of the jet vane, and results of the area including vane base, vane flake and motor shell are presented
摘要以推力矢量發動機的燃氣舵為研究對象，採用三維、粘性、湍流流動模型和數值分析的接觸網格技術，在定常流動計算的基礎上，對包含舵基、舵片和發動機殼體的區域進行詳細數值分析。Theoretical researches on solar activity, solar flare and cme were involved in many fields of foundational physics such as plasma astrophysics, magnetohydrodynamics ( mhd ) and so on. the forecast of solar activity, a main branch of space weather, was becoming more and more significant for preventing space disaster and for many aspects of space science
探索太陽活動的規律、太陽耀斑及其伴隨cme的先兆、觸發過程及能量傳播機制等等，從理論上推動了等離子體天體物理、磁流體力學等諸多基礎理論的發展，有著重要的理論意義；而對太陽活動的預報，是國際前沿科學?空間天氣學的重要組成部分，對避免空間災害、為航空航天科學提供服務等方面，具有重大的實際應用價值。Such highbrow outfits tend to have small, select clienteles and are constantly trying to broaden their appeal, often by offering discounts and staying open late on friday and saturday nights
那些陽春白雪類的機構傾向于擁有那些數量少的，精選出來的客戶，並且通常是通過提供折扣和周五周六晚上推遲打烊，設法持續擴大他們的吸引力。It has since been established that this split gene structure is common in higher organisms. the discovery of split genes has been of fundamental importance for today s basic research in biology, as well as medical research on cancer and genetic diseases. the discovery earned him the nobel prize in physiology or medicine in 1993, shared with prof. phillip a. sharp
對于有心致力推動兩岸三地和平發展的好朋友們，我最後要呼籲大家的是，我們不能只停留在開創契機與推開門窗的角色，搭橋之後還要鋪一條充滿和平發展的康莊大路，讓我們大步前行，我們現在都站在中華民族歷史的轉捩點上，兩岸三地的新天地就在我們的面前，等待我們開墾、灌溉和耕耘。In this thesis, the technology of visual fictitous design was used to design the level exchanged direction and double direction plough. first, the traction force formula of cylindrical plough face based on the prior study was deduced, and the forces of the solid model of circumrotatory pin was calculated, and visual dummy design technology was applied to analyse the force of circumrotatory pin and the parameter of pin
其次在前人研究的基礎上推導出圓柱型犁體曲面的牽引阻力公式；根據該公式計算出旋轉銷三維實體模型所受的力，根據該力運用可視化虛擬設計技術對模型進行受力分析，對旋轉銷的參數進行合理設計；根據牽引阻力公式計算出安全螺栓所受的力，根據該力運用虛擬設計技術對安全機構進行設計。Because the propellant grain is viscoelastic material, the liner and adiabatic layer are also viscoelastic one, the interface debond problem is actually interface crack about elastic - viscoelastic or bi - viscoelastic materials. research about this problem relates to the knowledge of viscoelastic mechanics and interface fracture and combustion. numerical analysis method about interface debond on solid rocket motor is researched in this paper
由於固體火箭發動機的推進劑藥柱是一種粘彈性材料，襯層和絕熱層也具有粘彈性性質，因此其界面脫粘問題實際上是彈性-粘彈性或雙粘彈性各向同性材料界面裂紋問題，對該問題的研究涉及到粘彈性力學、界面斷裂力學和燃燒學等相關學科。The application of thrust vectoring control technology makes the aircraft possess the ability to fly in post - stall domain, therefore the flight envelope is extended
推力矢量控制技術在戰斗機上的應用，使戰斗機有能力進入過失速飛行領域，使飛機的飛行包線得以擴展。What ’ s more, the precision of thrust vector measurement is also calculated, depending upon the error analysis of nine - component model. a large - scale srm hot test is successfully done on the nine - component thrust vector stand. and the satisfactory results validate that the nine - component model is reasonable and the nine - component thrust vector stand design is feasible
在九分力推力矢量試車臺上成功地進行了一次大型固體火箭發動機地面熱試車，得到了滿意的試驗結果，驗證了九分力模型的合理性和九分力推力矢量試車臺設計的可行性。Compress disk is the very important rotational component in the areoengine. when the compress disk is working, the grads of temperature and stress between the rim and the center of the disk are great. in order to raise the thrust - weight ratio of the disk and reduce oil consumption. the best prospective way is the dual alloys disk used
壓氣機盤是航空發動機上一個很重要的轉動部件，壓氣機盤工作時，輪緣和輪轂溫度梯度和應力梯度較大，為了提高飛機發動機推重比、減低耗油量，要求壓氣機盤的工作溫度、使用性能更高，雙合金盤製造是最有發展前景的技術。On the base of the introduction to the development condition in jiangsu province, the author concentrates on the analysis on non - state middle school teachers in jiangsu province in the following aspects : i. comprehensive analysis on non - state middle school teachers in jiangsu province, including the analysis on the general condition and the structure of non - state middle school teachers in jiangsu province, comparative analysis on non - state middle school teachers and state middle school teachers ; ii. case studies on the teachers " psychology and management strategies, including the analysis on common mentality of benefit, belonging, anxiety, employee and conjecture, the analysis on the corresponding measures taken by the school managers ; iii. ponder the exiting problems of non - state middle school teachers on the base of the comprehensive analysis and the case studies, resting with the negative effects to the construction of non - state middle school teachers caused by serious system obstacles, over flow of teachers, different motivation of the school runners and the management faults
論文在簡要介紹江蘇省民辦中學發展狀況的基礎上，著力從下列幾個方面對江蘇省民辦中學教師隊伍進行分析：一是對江蘇省民辦中學教師隊伍現狀的綜合分析，包括對江蘇省民辦中學教師隊伍總體狀況的分析、結構狀況的分析、民辦中學和公辦中學教師隊伍狀況的比較分析；二是從教師個體心態與管理者策略的角度對江蘇省民辦中學教師隊伍狀況的案例分析，包括對民辦中學教師中普遍存在的利益心態、歸屬心態、憂患心態、打工心態、揣摩心態的分析，並分析了學校管理者採取的相應措施；三是在綜合分析和案例分析的基礎上對民辦中學教師隊伍存在問題的原因進行深入揭示，著重分析嚴重的體制障礙、過于頻繁的教師流動、學校舉辦者不同的動機、民辦中學管理上的缺陷對民辦中學教師隊伍建設造成的負面影響；最後從完善教師資格認定製度、強化教師資源配置的市場機制、健全教師社會保障體系和推進民辦中學教師的道德建設和專業化建設等方面提出加強民辦中學教師隊伍建設的政策建議。For getting the runner characteristics more correctly, researching the representation of runner characteristics of the kaplan turbine in this paper, and using this method of modifying runner characteristics to calculate the transient of hydraulic power station. improving the calculating model of the axial thrust in the kaplan turbine ' s transient. base on the theory of screw propeller without any boundary, using the theory of screw propeller with pipe, and the formula to calculate the dynamic axial thrust during transient is developed
本文對轉槳機組在過渡過程中的槳葉劃水產生水推力的數學模型進行了改進，在原來使用無邊界螺旋槳進行等效的基礎上，使用了導管螺旋槳對轉槳機組中的槳葉劃水進行等效，並且比較詳細的分析了影響轉槳機組軸向水推力的各個因素，以及給出了動態計算軸向水推力的公式，通過計算表明，使用改進后的動態水推力計算模型得到的結果能較好的反應實測的動態軸向水推力。The primary of linear induction motor which drives the metro is installed on the chassis bogie, and because it is quite strict with laying down railway rail to use flat linear induction motor to drive metro, its secondary - - - - reaction board ( called induction board ), which is a kind of compound board of aluminum and steel, is fixed on the rail sleeper between the track. it is the airgap which is a gap between the primary and secondary of lim. the electromagnetic airgap is a very important parameter of lim
利用有限元法對直線感應電動機二維非線性渦流場進行了數值計算，並在此基礎上，運用電磁場有限元分析的專用軟體ansoftmaxwell2d對單邊型直線感應電動機的瞬態特性進行了模擬分析，得到電機運行過程中的電磁推力、法向力、初級電流、氣隙磁密等曲線，通過改變直線電機參數，分析了電機氣隙對其瞬態性能的影響。It is another crucial measures for upgrading rural economic development through the approaches of management. it is the third agricultural reform and institutional renovation in the aftermath of rural household contract responsibility system and the prosperity of township enterprises. agricultural industrialization is regarded as a self - revolution in management mechanism featured with modernization and scientification, following the changes of production relations in rural area
農業產業化是在深化農村改革中出現的一種新型的扶持、保護和促進農業發展的新機制，是繼聯產承包責任制后，從經營方式上推進農村經濟發展的又一重大舉措，也是繼農村家庭聯產承包責任制、鄉鎮企業大力發展之後的第三次農業改革與制度創新，是在調整農村生產關系之後以經營體制現代化、科學化為主要特徵的自我革命。A general stack equation of mobile robot based on analyzing the motion of planar motion object and the mathematical models of four different kinds of common wheels is developed, accordingly, the mobility of mobile robot is addressed and the forward and inverse solutions to speed for specific configuration driven by differential speed are derived. utilizing the muir and newman convention, the description of the posture transformation matrices between different coordinate frames and the solution for the speed of point located on these frames are introduced. according to posture estimation, a more accurate method, dead reckoning algorithm, is developed for a specified configuration characterized by differential speed motorization, and simulations of this algorithm and other traditional methods are carried out using matlab while traversing a circular path
本文對兩輪差速驅動移動機器人的運動學及其本體緩沖設計進行了探討，在對平面運動物體運動分析的基礎上結合四種常用車輪的數學模型，推導出了一個通用的移動機器人堆積方程，在此基礎上分析了移動機器人的移動能力、並針對兩輪差速構型推導了速度正解與逆解；使用muir和newman的運動學建模方法，推導了移動機器人上點及連桿坐標系位姿、速度變換關系矩陣及求解方法；在移動機器人位姿識別方法中結合差速驅動構型對航位推演算法進行了分析：推導了一種理論精度較高的航位推算演算法，並使用matlab對其與傳統的推算演算法在跟蹤圓弧軌跡情況下進行了模擬；最後針對本文所研究的機器人給出了一種比較系統、可靠的緩沖結構設計思路，較好地解決了移動機器人作業過程中外界因素及本身設計中引入的各種不確定誤差問題；本論文研究成果已在本實驗室所開發的樣機上得到實現，經過應用與考核證明其中的分析與設計是切實可行的。In this thesis, the mechanism analysis and numerical simulation on the coupling flow field of microwave plasma within resonant cavity of mpt was discussed and the subsystem of small thrust measurement as well as the vacuum experimental study of mpt were completed
在航天飛行器上有廣闊的應用前景。本論文對mpt微波等離子體耦合流場進行了機理分析和數值模擬，建立了mpt的小推力測量系統，協同進行了mpt真空環境實驗研究。B ) equivalent circuit method and finite element analysis ( fea ) to compute the static force are presented, the results obtained by each method are compared one with the other. c ) the results of dynamic simulation by means of the software, ansoft show the hlfm " s characteristics when the motor works in the special frequency and single stroke and the conditions used for position control. d ) the measured static thrust - displacement characteristics and the dynamic characteristics during starting show good correlation with the calculated results
在設計並製作了實驗樣機的基礎上所做的研究內容包括； （ 1 ）分別用能量法和麥克斯韋張量法推導電磁力的計算公式，並討論他們的不同應用范圍； （ 2 ）分別用等效磁路法和有限元法作直線力電機的靜特性分析，並比較分析它們的計算結果； （ 3 ）用有限元模擬軟體做直線力電機動態特性的模擬，分別分析直線力電機的頻率特性、動子開合閘特性和開環位置控制的工作特性； （ 4 ）做直線力電機的靜推力?位移特性實驗和動子開合閘的動態實驗，並將實驗結果與計算結果進行對比，實驗驗證了計算模型及計算方法的正確性。The crusher of our company will fix toothed segment, is bevel, campaign toothed segment is regular surface, when crusher works, campaign toothed segment does not produce, promote the force of stone material upward, so when solving conventional crusher work the problem that falls out on stone material, therefore the crusher of our production of company has the stone material broken rate that is strong character of service high, stone material breakage is even, machinery has continuously, avoids since stone falls out on material, and additional manpower labor raises daily out put, ensure safety first a series of characteristic
我公司研製的破碎機，將固定齒板定為傾斜面，活動齒板定為長垂直面，在破碎機工作時，活動齒板不產生向上推動石料的力，從而解決常規破碎機工作時石料上翻的問題，因此，我公司研製生產的破碎機有「石料破碎率高，石料破碎均勻，機械連續工作性能強，避免因石料上翻而附加入力勞動，提高日產量，確保安全生產」等一系列特點。Abstract : based on ks function fitting characteristics, this paper presents a new mixed envelopment method and its realization and application in smoothing propeller force curve of tilting mechanism for tilting passenger train
文摘:基於ks函數擬合特性，提出了混合包絡新概念及實現方法，並闡述了這種方法在光滑擺式列車傾擺機構推力曲線上的應用。Since 1991, our country has imported the elastic metal plastic tile from the former soviet union to use in the thrust bearing of large scale hydrogenerator, which has played important role in solving the tile burning failure so as to enhance the operation reliability of the generating unit
我國從1991年開始從前蘇聯引進彈性金屬塑料瓦用於大型水輪發電機的推力軸承上，對解決燒瓦事故，提高機組的運行可靠性起到很大作用。分享友人