科學微型系統 的英文怎麼說
中文拼音 [kēxuéwéixíngxìtǒng]
科學微型系統
英文
scientific micro system- 科 : Ⅰ名詞1 (學術或業務的類別) a branch of academic or vocational study 2 (機關按工作性質而分設的單...
- 學 : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 統 : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
- 科學 : science; scientific knowledge
- 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
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Despite several decades of trying, scientists have failed to fit einstein ' s general theory of relativity, which describes how gravity holds big objects together, with the quantum mechanics he pioneered, which describes the tiny fundamental particles of which matter consists and the forces by which they interact
盡管經歷了數十年的刻苦鉆研,科學家們仍然無法將愛因斯坦的廣義相對論與他所開拓過的量子理論統一在一起? ?這兩個理論前者是描述引力如何將大型天體維系在一起,後者則是描述組成物質的微小基礎粒子以及粒子之間的相互作用力。By using theories from the relevant disciplines such as geography, mathematics, physics, ecology, and system sciences, this thesis develops a framework employing the concept of system entropy to represent the state function of the man - earth relationship system. in this framework the entropy change is used to show the development change of the system, and the entropy flow to express the flow among the spatial parts of the system. following the framework, and based on a large set of household data from surveys, the thesis makes a quantitative analysis of the village - level man - earth relationship system from a micro - perspective
藉助地理學、數學、物理學、生態學、系統科學等有關學科理論,根據實地調查的大量農戶數據,從微觀視角對村域人地關繫系統進行了定量分析,用人地關繫系統熵來表徵人地關繫系統的狀態函數,用熵變來反映人地關繫系統的發展變化,用熵流來表示人地關繫系統各空間型式地域主體之間的流動。Applying the basic theories of spatial data mining and geomorphology, taking the loess plateau of north shaanxi province, china as the research area, this dissertation explored the theories and systematic structures of geomorphologic data mining and acknowledge discovery from dems, ascertained the systematic structures of topographic factors and synthetic topographic acknowledge, as well as systemically summarized mining algorithms from dems. the author pa id more attention also to analyze the principle and algorithm of flow length, curvature, relief, the earth ' s surface incision and gully density. in this research, the elementary constitutes and mining algorithms of regional character acknowledge in the loess plateau were probed
本研究在廣泛總結前人研究成果與研究經驗的基礎上,利用空間數據挖掘和地形地貌學的基本理論,以陜北黃土高原多地貌類型區為實驗樣區,以1 10000比例尺dem為樣本數據,探討了dem中地形地貌數據挖掘與知識發現的理論方法和體系結構;確定了宏觀和微觀地形因子、地形綜合特徵知識的體系結構;系統總結了dem基本地形因子的提取演算法,並重點對坡長、曲率、地形的起伏度、切割深度和溝壑密度因子提取的原理與演算法作了深入的分析;提出了黃土高原地區區域特徵知識的基本構成及其系統完整、科學可行的挖掘提取演算法;擴充了arcviewgis軟體平臺中dem空間分析的基本功能;實現了以delphi7 . 0為平臺的地形信息輔助挖掘系統的設計與開發;完成了對黃土高原多地貌類型區(樣區)地形信息空間分異特徵的分析。The outstanding features of this paper lied in the following aspects : it tried to master the guiding ideology of the reform in science complex ; it tried to find out the optimum biology teaching method : it suggested that the teaching of declarative knowledge should reflect the social meaning and advanced merits ; it proposed applying multiple teaching methods to raise the class teaching efficiency ; it maked reasonable use of all initiative new teaching models, realized the combination of " ability clue " and " knowledge clue ", and endowed the students with the ability to analyze systematically and think in whole. in the period of the revision for the entrance exam, not only the basic knowledge should be consolidated, but their comprehensive ability should be cultivated through the building of subject structure
本文的突出特點是不僅在宏觀方面力求把握理綜改革的指導思想,而且在微觀方面力爭找準優化生物學課堂教學的切入點:主張陳述性知識的教學要充分體現先進性和社會性;倡導在課堂教學中採取多元化的教學方法和手段,提高課堂教學效率:合理運用各類創新型教學模式,實施構建「能力主線」 ,並和「知識主線」相結合,培養學生的系統分析和整合的思維能力。在迎考復習階段,不但要夯實基礎,還要通過學科知識結構的構建培養學生的綜合能力。This study run through the basic idea of ecoregional approach methodology and systematic design by integrating agronomy, ecology, environmental economics, resource economics and maths. the study methods included macro - and micro - analysis, qualitative and quantitative analysis, theoretical and case study, statistical analysis and model simulation and so on. resources shortage and environmental pollution casued by intensive agriculture were examined for a specific suburban area shunyi district beijingissues were systematically analyzed including landuse changes, landuse driving force, water - limited yield simulation with wofost model, ecological, environmental and economical analysis of landuse, as well as optimizing pattern of landuse with rcsadss model
本研究立足於生態區域法的基本思路,採用系統設計的思想,通過農學、生態學、環境經濟學、資源經濟學、數學等多學科的交叉與融合,宏觀與微觀、定性與定量、理論與實證研究等相結合的方法,運用統計分析、模型模擬等技術手段,在大量調研基礎上,針對目前大城市郊區農業用地中存在資源短缺、環境污染等問題,以北京市順義區為典例,從土地利用現狀與動態、驅動力、 wofost模型產量模擬、生態環境經濟分析及種植業結構優化模式等方面進行了系統研究,獲得如下研究結果: ( 1 ) 2002年順義區的土地利用仍以農業用地為主,耕地、園地、林地和牧草地之和占總土地面積的56 ,農用地中糧食作物仍佔43 。The simulation research of non - position sensor of the switched reluctant motor ( srm ) system have gained more attention since 1980 due to its flexible control method, compactness, robustness and good electric characteristics. both relevant research for theory and application in this field have made great progress. however because of relatively shorter time spent in this research and the complex nonlinearity of controlling system, a lot of problems still exist in further research
近20年來,開關磁阻電機( switchedreluctancemotor ,簡稱srm )的研究在國內外取得了很大的發展,但作為一種新型調速驅動系統,研究的歷史還較短,其技術涉及到電機學、微電子、電力電子、控制理論等眾多學科領域,加之其復雜的非線性特性,導致研究的困難性,在電機理論、性能分析和設計等方面都還不夠成熟、完善,存在大量的工作要做。With the development of science and technology, the need of micro system is more and more urgent in many technical fields, such as various operation of cell and polymerized substances, micro surgery, scanning probe microscope ( spm ), butting optical fiber, fine manufacturing etc. with the development of micro - technology, micro mechanism, which has the character of micro size or micro motion is new high technology from microcosmic point of view understanding and reconstructing the world, micro mechanism technology is important means for researching nanotechnology, so the micro stereo vision ( msv ) techniques are demanded urgently in microcosmic domain
隨著科學技術的發展,許多領域越來越迫切地需要微型系統或微動系統,如生物細胞、聚合物的各種操作、微外科手術、掃描探針顯微鏡spm 、光纖對接和微細加工等;而且隨著微技術的不斷發展,以形狀尺寸微小、操作尺度極小為特徵的微機械已成為人們從微觀角度認識和改造客觀世界的一種高新技術;微機械技術還有望成為研究納米技術的重要手段,因此在微觀領域迫切要求顯微立體視覺技術的發展。The approaches to improve the quality of new craft liquor were summed up as follows : proper selection and treatment of raw materials including alcohol, seriflux, food additives, heading liquor, and ending liquor etc. ; scientific liquor body design including the relations between microconstituents and ethyl caproate in luzhou - flavor lqiuor and the formula of new craft liquor etc ; use of traditional liquor production techniques coupled with modern bio - techs, formulation of the quality standards of new craft liquor as soon as possible and strict enterprise supervision to perfect enterprise quality guarantee system and to advance the development of new craft liquor and the improvement of liquor quality
摘要提高新工藝白酒質量的措施為:做好生產新工藝白酒基本原料如酒精、加裝水、食品添加劑、酒頭、酒尾等的選用及處理;對新工藝白酒酒體進行科學設計,包括濃香型白酒中微量成分與己酸乙酯的關系、新工藝白酒的配方等;運用傳統白酒生產工藝,結合應用現代先進的生物技術,盡快制訂新工藝白酒質量標準,加大監管力度,完善企業質量保證體系,促進新工藝白酒的發展和質量提高。With the engineering thermophysics subject as a main theory basis, the boiler, the steam turbine, the internal combustion engine and the other new, being developed power machinery and system as the research object, the application of engineering thermodynamics , heat transfer, computer system control theory, environmental science, microelectronics technology, energy - saving technology and other knowledge , study the process and the basic law of fuels chemical energy and liquid kinetic energy to converse to the power securely and efficiently and low ( or no ) impurely ; study the energy conversion process systems and technology of equipment automatic control ; study the producing mechanism and emission control technology of combustion pollutants ; study energy - saving technologies and the development of new energy technologies
熱能工程是以工程熱物理學科為主要理論基礎,以鍋爐、汽輪機、內燃機和正在發展中的其它新型動力機械及系統為研究對象,運用工程熱力學、傳熱學、計算機自動控制理論、環境科學、微電子技術、節能技術等學科的知識,研究燃料的化學能和液體的動能安全、高效、低(或無)污染地轉換成動力的基本規律和過程;研究能量轉換過程中的系統和設備的自動控制技術;研究燃燒污染物生成機理與排放控制技術;研究節能技術與新能源的開發技術。This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory
本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題,主要研究內容有: ( 1 )實驗、測定了20種常見生物質的能量(發熱量)和c 、 h 、 n元素含量,根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式,並通過r _ ( 0 . 05 )檢驗;為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便; ( 2 )選擇了8種生物質試樣作了等加熱速率( 10 min 、 20 min 、 40 min 、 60 min )和恆溫加熱的tg和dtg實驗,根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程,並採用goast - redfem積分法和p函數對其動力學參數進行了求解,解析出各種生物質的頻率因子和活化能參數,進而建立了各種生物質的熱解動力學模型,為科學確定反應器的閃速熱解工作溫度范圍及熱解反應動力學描述,提供了理論和依據; ( 3 )為研究和確定不同尺度的生物質顆粒中心達到全熱解的時間,在體視顯微鏡下對不同粒度的生物質顆粒的長徑比進行了實驗觀察和測定,得出生物質的長徑比( l d )一般在5 . 0 6 . 0之間,平均為5 . 3的結果; ( 4 )採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究,解析推導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間( t ) ,得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果,為閃速熱解反應器固相滯留時間設計和預測提供了理論依據; ( 5 )根據上述實驗結果,綜合運用工程力學、工程材料、機械設計學原理,推導、建立了轉錐式閃速熱解反應器物料滯留時間( )與轉速(或頻率)合理匹配理論; ( 6 )提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。This paper makes impersonality estimate on meixian county ' s resource condition and the present agro - developing situation through the guideline choice, model structure decision, computer simulation and debugging of the project. it makes a comprehensive analysis on the running mechanism of the county ' s agro - economy regional system, the latency advantages and the main restrict factors and makes a scientific estimate on the next five - year or ten - year development trend. via programming and adjustment, the agro - economy system can develop much more stability, utility and harmony
本次研究通過指標體系選擇,模型結構確定,微機模擬運行,以及方案調試,對眉縣的資源環境結構和農業發展現狀做出客觀的評價,對全縣農業經濟地域系統的運行機制、潛在優勢和主要制約因素進行綜合分析,對系統在下一個五年或十年的演進趨勢做出科學估計,進而通過規劃,調控發展進程,使全縣農業經濟系統穩定、協調、高效的發展。This work aims at studying multi - scale structures of large - scale stratiform precipitating clouds typical of henan province of central - eastern china in spring and autumn drought periods of china, the potentials and techniques of artificial rain increase. through analysis of historical weather / climate and cloud physical data, developed are a number of multi - scale observational schemes including intensive observational items, and space / time resolutions of data for integrative field observations to obtain real - time measurements of the structures at large -, medium -, small - and micro - scale. from analysis of observed separate items, their integrative treatment and numerical simulation we place focus on case studies and their integration in investigating such structures of stratiform precipitating clouds over the target region, rainfall physical mechanisms and exploitation of artificial rainfall increase potentials, whereupon a conceptual model is constructed and a range of catalysis schemes are proposed to improve smaller - scale forecasting accracy and techniques for the rainfall increase, with the dominant results given below
以地處中原、具有典型代表意義的河南層狀降水雲系為主要研究對象,在對該地歷史天氣氣候和雲物理等資料分析的基礎上,研究設計雲系多尺度觀測方案(包括加密觀測項目、觀測時空解析度) ,實施有設計的外場綜合觀測,獲取雲系結構多尺度(大、中、小、微)配套的實時觀測資料;通過對各種觀測資料的分項和綜合處理分析,以典型個例觀測和數值模擬分析研究為重點,綜合多個例分析,研究河南層狀降水雲系多尺度宏微觀結構特徵、降水物理機制和人工增雨潛力條件,建立典型層狀雲系人工增雨概念模型,研究科學的人工增雨作業技術系統。Based on chinese tracking and data relay satellite ( ctdrs ) in the future, the antenna pointing control and complex control theory of user satellite are studied deeply in this dissertation, which is funded by the improve item of dept. of astronautic engineering and mechanics ? “ the teaching demonstration of antenna pointing control system in tdrss ”. the main contents of this dissertation are consisted of the following parts : firstly, dynamics equation is derived using lagrange equation for user satellite, so as the kinetics equations of user satellite at the same time are expressed in the form with matrix differential equations that is suitable for attitude control system design and analysis
本學位論文結合航空宇航科學與技術學科研究生教學基地實驗室建設項目「中繼系統星間鏈路天線指向控制系統教學與演示實驗」 ,以我國跟蹤與數據中繼衛星系統為背景,對某型號用戶星星間鏈路天線指向跟蹤控制和復合控制理論進行深入的研究,研究內容主要包括以下幾個方面: 1 .利用lagrange方程建立了用戶星的動力學方程,同時推導了運動學方程,並將這組動力學方程以矩陣微分方程形式表示,使之適用於姿態控制系統的設計和分析。This thesis mainly focuses on the multi - level parallelism development and performance optimization of scientific programs on this architecture, and our works are summarized as follows. ( 1 ) we put forward the multi - level parallel computing time model, which is suitable for smp cluster to analyze program performance from the micro - aspect. we also provide a multi - level parallel optimization speedup model based on the single - processor speedup factor, which can evaluate program performance from three parallel levels and guide us to improve the programs
本文圍繞這種多級并行體系結構中的超節點級、節點級和單機指令級三個層次的并行性開發與優化,在科學計算程序的綜合優化技術研究方面做了以下的工作與創新: ( 1 )針對smp集群體系結構提出了多級并行計算時間模型,用於程序性能的微觀分析;將單機處理速度與加速比統一起來,提出了基於單機優化加速因子的多級并行優化加速比評價模型,該模型分別從三個并行層次的角度出發對程序性能進行評價,並指導對程序的改進與優化。This project name is " basic technique research and vibration isolation theory with bionic mechanism for devices of high precision ". this thesis is mainly in two aspects : theoretical analysis and experimental research. it is composed of the characteristic of power transmission based on the smr model, control theory of vibration isolation for micro - manufacturing platform
本學位論文結合國家自然科學基金項目「精密裝置仿生隔振系統理論及基礎技術研究」 ( no . 50075078 ) ,從理論分析和實驗研究兩方面,對smr模型的功率傳遞特性、微製造隔振平臺控制理論和主動振動控制技術進行了深入、系統的研究。Micro - electro - mechanical system ( briefly named mems ) has grown up along with the development of semiconductor ' s integrate circuit minuteness machine technology and exceed exactitude machine process technology. its characteristic such as micromation, integration, batch production and inter - discipline, which has caught great attention, will bring a large progress in people ' s life
微機電系統技術( mems )是隨著半導體集成電路微細加工技術和超精密機械加工技術的發展而發展起來的.其微型化、集成化、批量生產和多學科交叉等優良特性將對人類社會生活帶來巨大的進步,是電子領域的新寵Precision transmission device is one kind of the key fundamental components, which are extensively applied to many industry fields including robot industry, machine industry, instrument industry etc. with the development of information technology and space navigation technology, especially the micro - miniaturization, speediness and automation of satellite communication, scouting the flying project, remote sensing and measuring and astronomic observation antenna system, more hard requirements are demanded on precision transmission
精密傳動是一種重要的基礎性零部件,在機器人、機床、儀器儀表等工業領域有著廣泛的應用。隨著信息和宇航科學技術的發展,特別是衛星通信、飛行目標跟蹤與攔截、遙感與遙測、天文觀察等天線系統的微小型化、快速化及自動化,對精密傳動提出了更高的要求。The action of accelerometer usually involves several physical effects which are coupled together. it is necessary to build accurate and easy - to - use model for accelerometer. circuit representation of mems which a new methodology for modeling and simulating is adopted
微加速度計涉及到多學科領域的相互作用,如何用模型來較為準確地反映各個領域間的相互作用關系以及如何實現機電混合系統的介面,是設計的關鍵,一直是比較難于解決的問題。It defines macroscopical administrative ecology and microscopical administrative ecology ’ s intension of a service government establishment by the model of society administrant system and government administrant system, confirms the government administrant environment at present by macroscopical administrative ecology ’ s view based on the methodology of administrative ecology, and then analyses the government ’ s ecological niche and clears off the relations among government 、 society 、 market 、 enterprises and citizens to establish a severed government, after that the author analyses the manufacture 、 consume and disaggrega - tire function of the government administrant system to establish a service government in the view of microscopical administrative ecology
繼而基於行政生態學的方法論,分別從宏觀行政生態學的視域明確了我國政府當下所處的行政環境,分析了政府的「生態位」 ,釐清政府與社會、市場、企業和公民的關系來構建服務型政府;從微觀行政生態學的視域分析了政府行政系統的生產、消費、分解功能構建服務型政府。本文全面、系統分析了政府行政系統,從多重視角研究了我國服務型政府的構建,力求較為系統、科學地構建我國服務型政府。With advantages of high efficiency, real time, low volume and automation, capillary electrophoresis separation techniques have been widely used in industrial analysis, biomedicine, molecule biology etc. with the pretence of lab on the chip and the development of micro total analysis system, electrophoresis chip, capillary electrophoresis technology on a chip, became the research hot of micro electromechanical system
毛細管電泳分離技術以其高效、快速、微量、易自動化等優點在生命科學、醫學藥物、環境保護等領域得到了極其廣泛的應用。隨著「晶元上的實驗室」思想的提出和微型全分析系統的發展,使得電泳晶元?在晶元上進行電泳分離的技術成為了當今國內外的重要研究熱點。分享友人