正時傳動帶 的英文怎麼說
中文拼音 [zhēngshízhuàndòngdài]
正時傳動帶
英文
cogged belt-
Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources
基於以上考慮，論文主要從以下幾方面對地下水資源可持續開發問題進行了比較深入的探討：全面回顧了「可持續發展」概念的由來與演變，對國內外「可持續發展」的研究現狀進行了述評，並對「可持續發展」概念的科學內涵進行了深入探討；對涉及地下水資源的一些最基本的概念和命題進行了全面的回顧和評述，對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解；全面闡述了地下水資源變值系統理論的內容和意義，並與傳統的地下水資源計算評價方法進行了對比分析，結合實例具體說明了方法的應用；深入分析了地下水資源預測預報工作的極端重要性和復雜性，對傳統的地下水資源動態預測方法進行了全面的評述，指出了各類預測預報方法的特點及適用條件，對最近二十多年剛發展起來的小波分析技術的主要思想和方法及其應用范圍，以及號稱第五代計算機語言的matlab軟體和附帶的小波分析工具箱進行了介紹，並應用於地下水動態過程線的分析，採用時間序列中的b ? j法，蒙特卡羅方法，與地下水資源變值系統理論相結合，探討了地下水動態資料分析和地下水資源預測預報的新思路；綜合分析了現今各類地下水管理模型的特點及缺陷，將數學規劃、數理統計、隨機過程等與地下水變值系統理論相結合進行地表水地下水或多水源的聯合優化調度，使模型更準確、更實用；對保證地下水資源可持續開發的內部條件和外部條件進行了分析，內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確的資源觀，科學的資源計算與評價方法，可靠的資源預測預報技術，可操作的資源管理措施，外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增長的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究方向。Presents the model proposed for analyzing the vibration characteristics of shrouded blades and their calculation method by employing a wave propagation theory and modal synthesis technology coupled with a finite element method from the view point it is possible not only to conduct frequency modulation of the shrouded blades of a gas turbine, but also to utilize the friction effects between them to dissipate energy, thereby attaining the aim of vibration alleviation, as shrouded blades have been widely used in the design of high - speed turbomachinery, such as modern gas turbines and steam turbines, and with the shrouded blades forming an integral whole in a centrifugal force field, the vibration characteristics of the whole ring of blades are different from those of a single isolated blade, and this makes it essential to take into account the integral effect of blade shrouds, concludes from the calculation examples and engineering application that the above approach is valid and correct along with the possibility of considerably reducing the scale of calculation and analysis, and points out it is necessary to take into consideration the coupled effect of the whole ring of blades while the dynamic characteristics of shrouded blades is being analysed
帶冠葉片不但能調頻，還可以利用葉冠之間的摩擦效應來耗散能量，達到減振的目的.帶冠葉片在離心力場中形成一整體，其整圈葉片振動特性不同於單個孤立葉片，需考慮葉冠的整體效應.利用帶冠葉片系統的循環對稱性，提出了採用波傳播理論和模態綜合技術，結合有限元方法研究燃氣輪機帶冠葉片振動特性的分析模型和計算方法.算例和工程應用證明了該方法是效性的、正確的，並可以大大降低計算分析規模.研究表明帶冠葉片動力特性分析時必須考慮整圈葉片的耦合效應Strokes, water - cooled, in - line, double overhead camshaft, timing belt drive
正時齒形帶傳動This product is composed of hall sensor assembly and the distributor with ignition timing. compared with conventional distributor, it avoids vacuum advance actuating device and centrifugal advance actuating device. it has a structure of restraint impedance distribution head and screening cover in order to reduce magnetic disturbance caused by engine ignition system, enabling the whole engine system to operate more reliably
該產品由霍爾傳感器總成、帶點火正時觸發輪的分電器構成，與傳統的分電器總成相比，減少了真空提前機構和離心提前機構，為減少發動機點火系統引起的電磁干擾，採用抑止式電阻分火頭及屏蔽罩結構，使整個發動機系統工作更加可靠。Thus, the synchronous belt span length is the key designing parameter in timing - transmission mechanism design
因此，在進行發動機正時傳動機構結構設計時，同步帶類型確定后，其跨度大小是設計的關鍵。The study shows that shortening the span length can effectively reduce the transverse vibration amplitude of synchronous belt and can avoid possible resonance region of synchronous belt
結果表明，減小同步帶跨度既可以有效減小同步帶運動過程中橫向振動幅度，又可以使同步帶運動有效避開正時傳動機構可能的共振區。It is demonstrated that the transmission becomes tunable, depending on the thickness and the refraction index of the slabs deeply : as the thickness of lhm slab in the structure becomes wider, the bragg gap shifts toward higher frequency, in sharp contrast to its shift toward lower frequency as a result of widening the thickness of positive - index - material slab
然後利用傳輸矩陣法理論分析了這種結構的傳輸特性，證實了新帶隙的存在，同時發現結構的傳輸特性與結構組成介質的厚度以及折射率密切相關，當正折射物質的厚度增加時，傳統bragg帶隙會沿頻率軸向低頻方向移動，若為左手物質則向高頻方向移動。Transmission is preformed through poly - v belts with an automatic belt tensioner and needs no maintenance, 15 - 20, 000 hours of transmission life
V型皮帶傳動，皮帶正常使用壽命達15000 - 20000小時帶有自動皮帶張緊器，無需人工調整。Also discussed the methods on how to realize the cwt both in time - domain and frequency - domain and how to design the gm - c bandpass filter used in realization of cwt. in order to optimize the performance of gm - c filter, linearization techniques are investigated and proposed. due to process variation and parasitics, an automatic tuning is designed for center frequency / 0 and quality factor q also, in this thesis, 16 - channel analogue cmos cwt circuit has been realized
論文圍繞連續小波變換的模擬電路實現這一熱點問題，討論了連續小波變換的時域和頻域實現方法；具體分析了并行結構與串列結構的優缺點；研究了頻域法中的跨導-電容帶通濾波器的設計；給出了改善跨導輸入級傳輸特性的線性程度並擴大線性范圍的具體方法；設計了片內自校正（可調諧）環節使濾波器參數自動調整到設計標準值；最後給出了16通道濾波器組實現小波變換的方法。Based on the study of transverse vibration of 469q gasoline engine, this paper proposes that the span length of the synchronous belt is the main factor affecting the vibration amplitude and frequency, and this has been verified on 469q gasoline engine
摘要通過對469q汽油機正時同步帶傳動進行橫向振動的分析研究，提出了影響同步帶橫向振動頻率和振幅的共同因素主要是同步帶跨度，並且通過試驗驗證了結論的正確性。It was text maximal point that that of that of handle enterprise competitive power theory, past dissection case, discuss government owned hotel operating management mechanism, thereby found possess generality stratification plane. both that of that of in the meanwhile, text at how handle commission manage or franchise rights transfer, utilize intangible assets predominance, bring along tangible assets wait hold true instrument cut government owned hotel on part how handle commission manage or franchise rights transfer, utilize intangible assets " predominance, bring along tangible assets wait hold true instrument cut government owned restaurant " charges on assets rate, kick on tradition operating management mode, did know clearly bold analyst and argumentation, possess definite innovation gender and use fo r reference value
本文運用企業競爭力理論，結合對湖南芙蓉賓館主、客觀因素的分析，通過湖南芙蓉賓館與目前省內的其它飯店（華天大酒店、紫東閣華天大酒店）的比較，提出了確立正確的經營理念、完善企業組織結構、盡早完成配套設施，調整營業收入的結構、完善人力資源體系，加強激勵機制、培育自己的「核心能力」 、進行資產重組和資本運營、利用無形資產的優勢，帶動有形資產以提高芙蓉賓館核心競爭力的研究對策。運用企業競爭力理論，通過解剖案例，探討國有飯店的經營管理機制，從而找到具有共性的層面，是本文最大的特點。與此同時，本文在如何運用委託經營或特許經營權轉讓、利用無形資產的優勢，帶動有形資產等有效手段降低國有飯店的資產負債率方面，跳出傳統經營管理模式，做了大膽的分析和論證，具有一定的創新性和借鑒價值。Equipped with electronic controller easy - tronic and preset for remote control for two or more compressors
V型皮帶傳動，皮帶正常使用壽命達15000 - 20000小時。裝備電子控制器The drive poly - v belts with mechanical tightener are designed for a useful life of 15 - 20, 000 operating hours
V型皮帶傳動，帶有機械張緊裝置，皮帶正常使用壽命達15000 - 20000小時。Strong, reliable and noiseless, transmission uses poly - v belts and they ensure 15 - 20, 000 hours of transmission life
穩固耐用，運行可靠，高效，噪音低。 v型皮帶傳動，皮帶正常使用壽命15000 - 20000小時。The network in the world comes from arpanet in 1969. serveral years later, the network has changed greatly. more and more network protocols had been put into use. therefore, iso established the unite standard of protocol - osi. however, the industrial standard is tcp / ip which is designed initially for the transmission of narrowband data. with the development of the network, many new applications are limited by using the tcp / ip protocols
但是真正推動網路發展的事實上的工業標準卻是tcp / ip協議簇，它最初是為窄帶數據傳送設計的。隨著時代的發展，使用tcp / ip協議簇的網路在新的應用面前呈現出越來越多的局限。分享友人