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prime mover 1. 原動力;主導力。2.倡議者。3.【電學】原動機;〔...

prime number

The first part discourses upon human resources as the prime mover of the great development of china ' s west . it theoretically sets forth that the information economy epoch has raised new requirements for human resources and stresses that human resources are the prime resource in the development of the economy of china ' s west 第一部分論述人力資源開發是西部大開發的原動力,在理論上闡明知識經濟時代對人力資源提出的新要求,強調人力資源是西部經濟發展中的第一性資源,因此人力資源開發對西部大開發有著極其重要的意義,應該放在優先開發的位置。

The impersonal existence of man ' s needs determines and gives rise to the survival and development of human beings as a whole . being essentially the survival and development of human beings , needs are somewhat for the purpose of societal progression and human promotion . the role of needs in this sense is eternally active and ultimately significant for life ; 2 ) the impersonal existence of man ' s needs of survival and development are the prime mover of ideas production and formation 人的需要的客觀存在決定并衍生出人的生存與發展的全部內容,其本質就是人的生存與發展,是一種發展社會、提升人性的創造,人的生存與發展的需要對于人以及人類社會具有永恒的能動作用和終極的生命意義; (二)人的生存與發展需要的客觀存在及其動態方式構成了思想政治教育系統及其活動的必要前提:其一、人的生存與發展的需要是人的思想產生、形成的源動力。

After a detailed review on the historical developments of the research on thermoacoustics , as well as the latest advances in this field , prospective applications , and a survey of theoretical fundamentals , the present work focuses on the following sections : 1 ) standing wave thermoacoustic prime mover an experimental setup of standing wave thermoacoustic prime mover has been built up with brass matrix as the thermoacoustic stack 本文首先回顧了熱聲熱機的發展歷史及最新成就,在詳細介紹熱聲學理論基礎以及熱聲機械設計原則之后,重點研究了以下若干問題: 1駐波型熱聲驅動器建立了我國第一臺實用駐波型熱聲驅動器試驗臺,并進行了實驗研究。

2 ) hysteretic loop emphasis has also been focused on the onset and damping behavior of the thermoacoustic oscillation . based on the acute review and analysis on the non - steady processes with hysteresis , a hysteretic loop is proposed and experimentally verified for the first time in the standing wave thermoacoustic prime mover 熱聲振蕩滯后回路在系統地考察其它非穩態過程特性的基礎上,首次提出并實驗驗證了熱聲起振和消振過程中存在“滯后回路” ,并對滯后回路的影響因素進行了研究。

A mixed - powered thermoacoustic prime mover concept is also presented in use of hysteresis , which may be helpful for the application of low - qualified energy to thermoacoustic machines . 3 ) traveling - wave thermoacoustic prime mover also known as thermoacoustic stirling engine , traveling - wave thermoacoustic prime mover is a newly proposed thermoacoustic system 這種機型中由于經歷的是可逆斯特林循環,它的能量轉換效率較駐波型有本質性的提高,已經可以同傳統的發動機(如內燃機)相媲美。

After reviewing the history and recent developments of the research on thermoacoustics , and introducing the classical thermoacoustic theory , we carry out the following investigations : 1 ) thermoacoustically driven pulse tube refrigerator ( tadptr ) experiments have been done on the self - built pulse tube refrigerator driven by standing wave thermoacoustic prime mover system 本文首先回顧了熱聲機械的歷史及現狀,詳細介紹了熱聲學理論基礎,重點研究了以下若干問題: 1駐波型熱聲驅動器驅動脈管制冷機在自行搭建的駐波型熱聲驅動脈管制冷機實驗裝置上進行了實驗研究。

Static and dynamic trial experiments indicate that the system , not only can well simulate the prime governor and self _ equilibrium characteristics of a prime mover with its simple hardware line , small size and versatility , but also can highly improve the whole system ' s control precision , reliability and stability when compared with the system design of the analogy circuits 靜態、動態測試實驗表明:該控制系統,不僅硬件線路大為簡化、體積小、通用性強,能夠很好地實現對原型調速器及原動機自平衡特性的仿真,而且與模擬電路的設計方案相比,整個系統的控制精度、可靠性和穩定性等大幅度提高,具有明顯的優勢。

The institute believes that non - profit organizations and individual communities are prime movers in social development , and therefore encourages students to join at least one ngo or community organization to bring together theory and practice , obtain first - hand grass - roots experience and share their observations with the organizations 本所認為非營利團體和社區是社會發展的?桿,鼓勵學生至少投入一個社會團體或社區,進行理論的實踐,取得第一手的民間經驗,并回饋觀察心得。

The history of the simulatuion system , the main work of the author , the meaning and origin of the research are firstly introduced . then the fundmental theory of digital relization about the prime mover simulatuion system is expounded . based on some achievements in the field of pid control in recent years , some new and practical control algorithms , programme designs and methods to adjust parameters are mainly introduced to design the simulation system 本文首先介紹了原動機仿真系統的發展歷程、本文主要研究工作、課題來源及意義,然后闡述了原動機仿真系統的數字化實現基礎,主要從近年來pid控制的主要研究成果出發,將微機控制技術中有關原動機仿真系統的一些新型實用的控制算法、程序設計和參數整定方法等,引入到原動機仿真系統數字化設計中來。

On the basis of simulative theory , the achievements of some mathematic models about prime movers having been synthesized , the difference equations with which the computer can cope are obtained by using mathematic tools such as laplace - transform and inverse z - transform . according to the function of the system , the hardware and software design , which takes 80c196kc as cpu , are elaborated . further more , the methods will improve the system ' s reliability by hardware and software 在此基礎上,綜合了原動機仿真系統數學模型的已有成果,并運用拉氏變換、逆z變換等數學工具,以仿真原理為依據,求取了便于計算機進行數值運算的差分方程。最后,根據仿真系統的具體功能,以80c196kc單片機作為控制核心,對原動機仿真系統的硬件和軟件設計做了詳細的介紹,并力求通過從硬件和軟件設計兩方面來提高控制系統的可靠性。

With a mathematical model of 12 - phase synchronous generator - rectifier - load system based on the characteristics of 12 - phase ac charging generator with the rectifier for submarine application and a small prototype , this paper analyzes the effect of system parameters ( for generator , load and prime mover , etc . ) on system operation stability by using simulation calculation and test , and gives the basis for the selection of generator parameters in design 本文根據潛艇用十二相交流整流型充電發電機的特點,建立了十二相同步發電機?整流器?負載系統的數學模型,利用小型樣機通過仿真計算和試驗研究分析了系統參數(包括發電機參數、負載參數、原動機參數等)對系統運行穩定性的影響,從而為合理設計充電發電機提供參數選擇的依據。

Therefore , the basis of the great development of china ' s west locates in the development of the human resources , which is the prime mover and the basic measures of the realization of the modernization of china ' s west as well as the key guarantee of pushing the economic development of the west forwards 經濟的發展,關鍵在于人,在于掌握現代科學技術水平的人力和人才,因此,西部大開發的根本是人力資源開發。人力資源開發是西部大開發的原動力,是實現西部現代化宏偉戰略的基本措施,是推動西部經濟發展的重要保證。

A ship ' s power station is a plant which generators and continuously supplies electric power to various auxiliary machinery on board and meets the electric power demands of the whole ship . normally , a ship ' s power station consists of a prime mover , generators and their ancillary equipment ( to form generators sets ) and distribution boards , being an essential part of the power system on board a ship 船舶電站是產生并連續供給輔助機械及全船所需電能的設備,它由原動機、發電機和附屬設備(組合成發電機組)及配電板組成,是船舶電力系統的核心部分。

In the modern world energy , as the russian president has stressed , is a key prime mover of social and economic progress which directly affects the wellbeing of billions of inhabitants on our planet . but this key sector of the world economy is exposed to serious risks - political , economic and ecological 薩拉耶夫認為,建設一個成本為1 . 5億美元、每小時生產能力為70兆瓦電和50千兆卡熱量以及必要時一晝夜可淡化24萬立方米海水的浮動核電站的方案,很有商業前途。

Thermoacoustic prime mover is an absolutely new type of compressor . it has n ' t any moving part so it can work for a long period without maintenance . waste steam and solar energy can be used as its heating - resources so that it has many applications especially for the places having no electricity supply 熱聲驅動器是一種與常規機械式壓縮機完全不同的新型驅動器,它沒有機械運動部件,可使用低品位能源,具有結構簡單、運行可靠、無維修工作時間長等優點。

A fee - paying public vehicle park for the parking of motor vehicles ( excluding vehicles with a gross vehicle weight at or in excess of 24 tonnes and trailers for containers with or without prime movers attached ) which are currently licensed under the road traffic ordinance ( cap 作收費公眾停車場,供停泊現時根據《道路交通條例》 (第374章)的規定領有牌照的汽車(不包括車輛總重量達24公噸或以上的車輛及連或不連拖頭的貨柜車拖架)

First of all , we discussed the matching problems between a thermoacoustic prime mover and a pulse tube refrigerator , which is very important due to the remarkable differences between the operating characteristics of the two separate parts , such as operating frequency , pressure ratio , and phasing 此外,還從普朗特數、頻率和脈管性能等方面入手,探討了氦氖混合工質在熱聲驅動脈管制冷機系統中的作用效果,并進行了實驗研究。

Meanwhile , based on the reality of the western rural urbanization , the basic dynamic mechanism , such as prime mover , impetus , motivating power , core strength , guarantee for urbanization , is constructed to accelerate the process of urbanization in western rural regions 同時,從西部農村城鎮的實際出發,構建城鎮化的原動力、驅動力、帶動力、核心力、保證力等基本動力機制系統,加速推進西部地區農村城鎮化進程。

Thermoacoustic prime mover is an absolutely new type of compressor . without any moving part , it occupies many advantages over the traditional mechanical compressors , such as simplicity , reliability , and vibration free for long non - maintenance operation 熱聲壓縮機(熱聲驅動器)是一種與常規機械式壓機完全不同的新型壓縮機,它沒有機械運動部件,具有結構簡單、運行可靠、無維修工作時間長等優點。