空間化學 的英文怎麼說
中文拼音 [kōngjiānhuàxué]
空間化學
英文
space chemistry-
In this paper, ackerman steering linkage of double - wishbone suspension is taken as the study object, choosing the splitting joint and steering lever joint to carry out the design of optimization the mathematics models are established based on the multi - body system dynamics, applying its analysis method of kinematics to study the mechanism kinetic principles owing to more spatial factors considered, and calling off many hypotheses affecting the accuracy, compared with the traditional methods, the models are better to reflect the realistic motion principles, the results are more exact and applicable moreover, the force analysis is applied to the conduct mechanism the analysis method of dynamics in the multi - body dynamics is applied to study the forces applied on every component, working out the constraint reaction force of up and down ball joints, and developing the current computation program in the end, produce the upper wishbone geometry model in the ansys software package, meshing and carrying out the fea, testifying if the intensity of the wishbone meet with the requirements
本文以雙橫臂獨立懸架的轉向傳動機構作為研究對象，選擇對斷開點和節臂球銷的位置進行優化設計，在此基礎上建立了基於多體系統動力學的導向機構和轉向傳動機構的數學模型，運用該學科的運動學分析方法研究機構的運動規律，編制了通用優化設計軟體。由於考慮了更多的空間因素，取消許多影響準確性的假設，因此建立的數學模型與傳統的方法相比更能反映實際運動規律，得到的優化結果也更加精確實用。此外，本文還針對導向機構進行受力分析，在建立該機構的空間動力學模型后，運用多體動力學中的動力學分析方法研究各個桿件的受力，計算出上下球鉸的約束反力，並開發出了相應的通用計算程序。In the course, the condition and the process of forming and changing of minerals, the typomorphic features of minerals, the characteristics of the distribution and the evolution of minerals and their paragenetic associations in the period and the space, the methods of mineral analyses and research, the geological thermometers and the geologicial barometers of minerals, mineral paragenetic associations and paragenesis analyses will be introduced, and the magnificent and the microscopic genetic characteristics of pyrite, quartz, garnet, pyroxene, amphibole, mica, feldspar, and other minerals will be dealt with particularly
本課程主要講述礦物及其共生組合的形成和變化的條件和過程，不同物理化學條件下礦物的成分、結構、形態、物性等標型特徵以及它們之間的內在聯系，礦物及其共生組合在時間上和空間上的分佈和演化規律，礦物成分、結構、形貌、物性等的分析測試方法，礦物地質溫度計和地質壓力計對其形成環境的表徵，不同體系（封閉體系、開放體系）條件下，礦物的穩定范圍和彼此替代順序的共生分析，重點介紹黃鐵礦、石英、石榴石、輝石、角閃石、雲母、長石等礦物（族）在成因上的宏觀標志和微觀信息，以及其成因信息在成巖作用和成礦作用中的地質意義。The system can display in 3d the robots with higher quality graphics on pc by adopting the solid model technology, and modify the model of robots according to the size given by users, so that the parametric modeling is realized under interactive mode. it realizes the graphics simulation of robots in kinematics in both articulatory space and cartesian space, and it also realizes the animated simulation of trajectory of linear interpolation in point - to - point mode. the movement of robots can be realized by graphics teaching or programming
該系統採用實體造型，能在微機上顯示較高質量的機器人的三維圖形，可以按照用戶給出的尺寸修改模型，在交互方式下，實現機器人的參數化造型；系統能夠在關節空間和笛卡爾空間中進行運動學的圖形模擬，能進行點到點直線插補軌跡的動畫顯示，機器人的動作可以示教再現，也可以由程序設定。With the help of the electronic computers, engineers employ it to figure out nearly all kinds of engineering problems ranging from astronavigation, construction, waterpower projects, ship - building and mechanical engineering etc. owing to the strong power of finite element method, one kind of software pack which based on the method is exploited and named algor feas to resolve problems on structure analysis for trusses and shells. this paper also employ algor feas software pack to analyze and compute the cableway towers, giving the accurate result on stress and displacement both in location and whole. finally, we also bring out some advice on structure improving
在此分析過程中：首先將物理模型簡化為力學模型，主要是將塔架結構按空間桿單元簡化為空間桁架結構，目的是將力學模型變換為數學模型；這一過程主要是利用autocad2000建立塔架的計算模型；再者，利用algorfeas軟體包讀入autocad建立的塔架計算模型生成初始數據卡利用計算機進行編程進行風載計算，再將計算結論整合入algorfeas產生的初始數據卡中，生成計算數據卡；接著，利用algorfeas軟體包計算塔架在不同載荷情況下的應力圖，位移圖，並且求出在不同載荷條件下的最大位移和最大應力等；然後，對塔架的穩定性進行分析；最後；根據計算結果提出改進建議。In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test
然後，對巖土工程領域至今尚未解決，甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討，提出了考慮地基變形的地基承載力上程計算方法；對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎（空間問題）的承載力界限荷載p _ （ 1 / 4 ） ，並與國內外土力學專著及地基基礎設計規范中的條形基礎（平面問題）的界限荷載p _ （ 1 / 4 ） ，進行了對比，從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況；根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作，本文以截頭錐模型模擬地基，對地基（巖基）承載力的動測法進行了研究，為各類地基（包括巖基） ，匯總了動力分析和檢測川的參數：針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題，從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論；本文作者根據多年現場載荷試驗的工程實踐，對深井荷試驗裝置的核心部分? ?反力裝置，設計了側壁支撐反力加載系統，該加載系統具有實用、簡便、穩定及安個等優點。The third part studies in detail on landscape ecological structures and functions of small watersheds in the region, including spatial physical structure and its differentiation ; biological structure and balance among its components. as a compound ecological system, function and its evolvement of small watersheds has also been touched. several landscape processes relating to functions, including biogeophisical processes, biogeochemical cycle and biogeosocial cycle have also been analyzed
第三部分詳細研究了k域小流域景觀生態學特點，包括景觀空間物理結構及其分異；景觀生物結構及其平衡；同時探討了作為一個復合生態系統，小流域景觀功能及其發展變化特點；認真分析了與功能有關的景觀過程：牛物地球物理過程，生物地球化學循環以及生物地球社會循環。It ' s the author ' s micro or local observational view. by using different methods such as questionnaires, casestudy, interview and so on, the author mainly discussed four important educational topics : learners " living space, educators " discourse space, curriculum and knowledge, interaction between teachers and students. in the mean time, she tried to pay more attention to the students " confusion happened in their daily life
這一部分是研究者的地方觀察視野，主要通過對四個重要教育主題：學習者的活動空間、教育者的話語空間、課程知識的張力和師生課堂互動空間的分析，詳細展開研究者通過切身觀察與體會而描述的具體生活圖景，通過以問卷調查、個案研究、藏族中學生內地教育的跨文化研究?教育人類學的觀察方式訪談等多種研究方式的綜合，試圖較為詳細深入真實地再現學生的日常生活，同時對這一年齡階段學生在高中學業、生活、交友等方面遇到的困惑予以較多的關注。In this section, applying the method, from abstract to specific and from history to present, it analyzes the operation mechanism of urbanization economy affected by market mechanism ; puts forward four theories of urbanization economy from economic perspective, including agriculture surplus and comparison advantage ; non - agricultural industry ; agglomeration economy and spillover effect, on this basis of the theories, it, on one hand, analyzes two kinds of internal mechanism in the chronologic operation of urbanization economies : increasing mechanism of urbanization economies in urban output industry ; and changing mechanism from specialization to integration, which are the representations of the evolution of " mart " development ; on the other hand, it analyzes two internal mechanism of dimensional operation of urbanization economy : internal spatial enlargement mechanism of urbanization economies from monocentric city to multi - center city, and external spatial enhancement mechanism which represents city - regionalization and city - chain connection, the later two mechanism represent the evolution of " polis " development
這一部分，按照由抽象到具體和由歷史到現代的研究方法，分析了市場機製作用下的城市化經濟運行機理，從經濟學角度提出了農業剩餘與比較優勢、非農產業、聚集經濟、外溢效應四大城市化經濟定理；在此基礎上，一方面分析了城市化經濟運行沿時間增長的兩個內在內容提要機制:城市輸出產業的城市化經濟增長機制和從專業化到綜合化的城市性質變遷機制，它們主要表現為「市」發展的延續;另一方面分析了城市化經濟運行沿空間增長的兩個內在機制:從單中心到多中心的城市化經濟運行的內部空間擴展機理和表現為城市區域化、城市連綿體的城市化經濟運行的外部空間擴展機理，它們主要表現為「城」發展的延續。Economic geography today is more heterodox and pluralist than ever before, its practices and positions encompassing spatial science and nonrepresentational theory, neomarxism and new geographical economics, modeling and ethnography, feminism and poststructuralism, and just about everything in between
經濟地理學今天比以前更加地非傳統和多元化，它的實踐和領域包括空間科學和抽象理論，新馬克思主義和新地理經濟學、模型方法和人種學、女性主義和后結構主義和介於這些之間的任何內容。The course contents include the development and thought of space design aesthetics in the late 20th century, discussing their relation by way of literature, psychology, semiology, and philosophy, investigating the past and contemporary viewpoints of living environment through the interaction between multimedia communication, and society, education, culture, and economy, raising the examples of spatial aesthetics transition ( classicism, modernism, post - modernism, and post - post modernism ) to compare and evaluate the works of famous spatial designers
本課程主要內容： 20世紀末空間設計中美學發展的進程與思潮並以文學、心理學、符號學、人文哲思探論其關連；從多媒體傳達與社會、教育、文化、經濟互動之應用中探討人居環境的時代觀與當代價值觀；以人居環境中的空間美學轉變（古典，現代，后現代以及后現代之後）為例進行空間設計大師作品之類比與評估。The pluralized postmodern culture has gestated various forms of postmodern drama which has gradually formed its basic aesthetical features such as the pursuit of space, attaching greater importance to stage vocabulary than verbal language
摘要多元化的后現代戲劇格局增添了理解的難度，但后現代戲劇仍具有自身的一些基本的美學特徵：追求空間化，輕文字語言、重舞臺語匯等。The spatial and information techniques such as global positioning system ( gps ), remote sensing ( rs ), geographical information system ( gis ), computer network etc and their integration promote the development of modem land management towards automatization, intelligentizing, scientizing, networking, and modernization, and offer the information acquirement, processing and analysis of land resources new technique means
衛星定位技術（ gps ） 、航空和航天遙感技術（ rs ） 、地理信息技術（ gis ） 、計算機網路技術等空間科學技術和信息科學技術的發展及其相互間的集成與融合，促進了現代土地管理工作向著自動化、智能化、科學化、網路化和現代化的方向發展，為國土資源信息獲取、處理和分析提供了全新的技術手段。It realizes high - accuracy test of angle position and real - time control, and satisfies the needs of some fields for high - accuracy and high resolution absolute photoelectric rotary encoders, such as snare science automation and national defense construction, etc
因此可實現角位置的高精度檢測與實時控制，從而滿足空間科學、自動化和國防建設等領域對高精度、高解析度絕對式光電軸角編碼器的需要。Gis can concentrate the factors that affect establishment site. the location decision model based on spatial analysis could be an effective approach to realize the site of atm
Gis能夠將影響設施選址的諸因素空間化，基於空間分析建立選址決策模型，是商業銀行實現網點科學選址的有效途徑。With the progress of spatial science and the development of commercial apace activities, some deficiencies, just as a limited number of party states, a great deal of unregistered space objects, inconsistent information of registration, which emerged in the implementation of the convention, weakened the implementary effect of the convention deeply
隨著空間科學的進步和空間活動商業化的發展， 《登記公約》在實施過程中逐漸暴露出締約國數量偏少、未登記空間物體數量較多、登記信息不統一等缺陷，嚴重影響了其實施的效果。The key laboratory of orogenic zone and crustal evolution, ministry of education, school of earth and space sciences, peking university, beijing, 100871
教育部造山帶與地殼演化重點實驗室，北京大學地球與空間科學學院，北京， 100871Key laboratory of orogenic belts and crustal evolution, ministry of education, peking university ; school of earth and space science, peking university, beijing, 100871
北京大學造山帶與地殼演化教育部重點實驗室北京大學地球與空間科學學院，北京， 100871Utilizing the related transformation theory knowledge of spatial coordinates, kinematics analysis was carried out on the double rocker mechanism and the spatial mathematic model and the optimization model based on the minimum turning errors were established
摘要運用空間坐標變換理論的有關知識，對雙搖臂機構進行運動學分析，建立空間數學模型和基於轉向誤差最小的最優化模型。Along with the rapid development of space optical system, the lightweight requirements for optical components are more and more critical
空間光學系統的快速發展，對光學零件的輕量化提出了嚴格要求。Optimum design combined with finite element method is introduced, which has been applied to the design of a certain space camera
簡要闡述了空間光學儀器結合有限元法的優化設計方法，並以某空間相機為例詳細介紹了系統的結構優化過程，驗證了其優化后的性能。分享友人