質點力學 的英文怎麼說
中文拼音 [zhídiǎnlìxué]
質點力學
英文
ma point mechanics- 質 : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
- 點 : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 學 : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
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Combined heat and mass transfer by natural convection which is caused by heat and mass diffusion can be seen in nature and some processes of industry, such as evaporation and desiccation. these processes relate to aeronautics, hydraulics, mechanics, chemical engineering, oceanography and aerography
熱及物質擴散引起的傳熱傳質復合自然對流常見于自然界和蒸發、乾燥等工業過程,涉及到航空、水利、機械、化工、海洋、氣象等諸多領域,其流體力學和傳質傳熱特性一直是人們研究的重點。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 al matrix composites by reaction synthesis put up high mechanical behavior, well high - temperature properties and excellent wearing quality but the existent difficulties lie in that homogenizing method is not perfect, fundamental research to growth mechanism is absent and the concomitance compound come from reaction is difficult to eliminate at present
反應合成的鋁基復合材料具有常溫力學性能高、高溫性能好和耐磨性突出的優點,而存在的主要研究難題則是整個材料均質化方法不理想、生長機制等基礎理論研究缺乏、反應伴生的化合物難以控制等。In the light of the special chanacteristics of china ' s geologic structure, li siguang applied the method of geomechanics to study the law of crustal movement
有鑒於我國地質結構的特點,李四光運用地質力學的方法,來研究地殼運動的規律。With the development of quantum chromodynamics ( qcd ), people started to investigate the origin and nature of the pomeron from qcd viewpoint
隨著量子色動力學( qcd )理論的發展,人們開始用qcd的觀點去探討pomeron本源和性質。Many researches indicated that nitric oxide ( no ) > vasoactive intestinal polypeptide ( vip ), calcitonin gene - related peptide ( cgrp ) ^ substance p are main neurotransmitters for penile erection
所以近來的研究重點從陰莖血流動力學轉向陰莖神經遞質研究。有研究表明,一氧化氮( nitricoxideThis dissertation studies the problem of dynamics modeling, dynamical response, and distribution of moving mass for a re - entry vehicle ( mmcrv ) under the background of national natural science fund project “ precision control and guidance for moving mass control of a re - entry vehicle based on the virtual displacement concept ”
本論文以國家自然科學基金項目「基於虛位移概念的變質心再入飛行器精確制導問題研究」為背景,研究基於變質心控制的再入體動力學建模、動力學響應和落點分佈等問題。In education, the author explains that the educational innovation served as premise and security for the development of physics via in - depth analysis on the college education and educational system of physics in germany ; ln philosophy, to avoid the superficial and rigid opinions that philosophy either guides or hinders physics, which is resulted from one - way analysis on the influence of physical knowledge by specific philosophical knowledge, based on the combination of physical achievements by philosophy and profound philosophical knowledge, the author illustrates that the influence on german physics by philosophy reflects more on a kind of spirit a nd this very spirit brings the new quality into the german physics ; in mathematics, by means of analyzing integration of mathematics and physics at different stages, the author is tended to testify that the blooming mathematics in germany is the indispensable condition for the prosperity of german physics because. 2 mathematics provides language tools for the development of physics ; ln culture, by way of analyzing the common features of german physicists and connecting the brilliant german culture, the author audaciously brings forward that the wissenschaft ideas and faust ideas is the important driving force for the prosperity of the development of german physics
在教育方面,通過對德國大學和物理教育體制的形成的分析,說明教育改革是物理學發展的先導和保證;在哲學方面,作者避免了從具體哲學知識對物理知識影響的單一方式出發而得出「要麼指導要麼阻礙」的兩種簡單僵化觀點的弊端,將哲學對物理學成就的影響和德國物理學家群體很高的哲學素養結合起來分析,說明哲學對德國物理學的作用更多的是體現在一種氣質、精神上,正是這種氣質和精神為德國物理學的發展注入了一種新的特質;在數學方面,通過對不同時期數學和物理學融合程度的分析,證明了發達的數學是德國物理學繁榮和領先的必不可少的條件,它為物理學的發展提供了語言工具;文化方面,通過對物理學家群體特點的分析聯系燦爛的德國文化,作者大膽提出其中蘊涵的wissenschaft思想和浮士德精神是德國物理學繁榮和領先的重要動力。This thesis was divided into eight chapters, and the main results and innovations obtained here can be summarized as follows : ( 1 ) the physics model of tsrs in frequency conversion crystals has been built up firstly. based on quantum - mechanical viewpoints and the following physical processes and parameters : the two - photo interaction of light with matter, paraxial diffraction of stokes, langevin noise sources, reflection at the faces and the edges of crystals, gain coefficient, beam aperture, pulse width and fluence of 3, the physics model of tsrs in kdp and kdp crystals acting as high - fluence frequency convector and the paraxial operator maxwell - bloch - langevin equations have been built up
全文共分八章,取得的主要成果及創新點如下: ( 1 )首次建立了諧波轉換晶體的tsrs物理模型本文根據量子力學原理,在考慮如下物理過程和參量的基礎上:光與物質的雙光子相互作用; stokes光的傍軸衍射; langevin (郎茲萬)噪聲源;晶體表面反射和端面反射;增益系數、光束口徑、脈寬和三倍頻光能量密度,推導出高通量激光在kdp和kd ~ * p諧波轉換晶體中的tsrs物理模型和空間上的近軸算符maxwell - bloch - langevin方程組。Trains the elementary student to begin participation ability in the fine arts classroom abstract : in the advancement elementary school fine arts discipline education for all - around development, enhances the child intelligence development in the process, takes the base by the classroom instruction, studies student ' s psychological factor positively, obtains from the interest, carries on the good sentimental communication with the student, the formulation behaviour strategy, the instruction research method, entrusts with the student to begin to participate in ability, the choice creation way, the house teaches with happily, lets the student arrive at the knowledge in the practice middle school, the teacher must be good at acting according to the teaching material content characteristic and the student reality, creates the condition
摘要:在推進小學美術學科素質教育,提高兒童智力發展的過程中,以課堂教學作為基地,積極研究學生的心理因素,從興趣入手,和學生進行良好的感情溝通,制定行為策略,指導學法,賦予學生動手參與能力,選擇創作途徑,寓教與樂,讓學生在實踐中學到知識,教師還要善於根據教材內容特點和學生實際,創造條件。All these data indicate that there may be cam binding sites in the arabidopsis protoplast and cam binding has characteristic of receptor kinetics
一系列實驗表明擬南芥原生質體質膜外側可能存在cam的結合位點,並且這種結合具有受體動力學特性。In escherichia coli, arog gene encodes phenylalanine - sensitive 3 - deoxy - d - arabino - heptulosonate - 7 - phosphate synthase isoenzyme arog that catalyzes the first committed step of shikimate pathway. here we study the essential amino acid residues involved in the formation of feedback inhibition site of arog, and the effects of n - terminus on feedback inhibition and its quaternary structure, and the importance of the structural " d2 " symmetry to allosteric inhibition
本博士論文工作以大腸桿菌k - 12來源的arog為研究對象,通過定點突變、反饋抑制實驗和酶學動力學參數的測定,深入地研究了arog的反饋抑制位點的特性,並對arog的n -末端在反饋抑制機理和維持穩定四級結構中的作用,以及蛋白質結構的「 d2 」對稱性對酶功能的重要性等進行了具體的研究。In this paper, the in - depth study on the evolution of information support system is carried out applying the theory of systematical dynamics and economics through four dynamic elements, those are the advance of science and technology, the development of economy, the management mode and the need of the custom, the different information support systems for all kinds of production model are summarized, and the four dynamical elements and distinctive operation environment are mainly discussed, and the features are analyzed : it is a multi - organization information system which is driven by the information of the customer ' s needs
論文運用系統動力學、經濟學等理論,深入地研究了信息體系發展的動力模型,指出經濟發展是驅動力、管理方式是原動力、技術進步是推動力、顧客需求為拉動力,共同作用導致信息體系的演進。在綜述不同生產方式下應用的信息支撐體系的基礎上,重點分析了支撐mc運作的信息支撐體系的四種動力和具體運行環境。從而界定了該系統的性質和特點:跨組織信息體系以及客戶個性化需求信息驅動的信息體系。In view of soil mechanics, the uplift mechanism is more complicated than any other soil engineering problems. factors such as uplift behavior of soil, crack development, filled soil quality and progressive failure are shown having greatly influenced on pullout behavior
從土力學觀點來看,基礎上拔機理遠比其它土工問題復雜,土的抗拉性能、土體中裂縫開展過程、填土質量以及土的漸進性破壞等因素,嚴重影響著基礎上拔的性能。The paper discusses how to reconstruct the 3d model of alimentary canal from many medical tomographic images using the computer 3d visualization technology, explains the work principle of its operation signal gathering devices and feedback force controlling devices, and describes the mass - spring / damper simulation model used in the software emulation
主要討論了通過計算機三維可視技術,對醫學斷層影像重建得到三維訓練模型;並講解系統外設實現操作量採集和力反饋的工作原理,以及系統模擬軟體採用的質點彈簧阻尼物理模擬模型。The main studies are as follows : ( 1 ) the hamiltonian mechanics and equations are deduced from the lagrange mechanics. the symplectic quality of the hamiltonian system is discussed. the formulations of the symplectic integrator method are constructed, especially the explicit symplectic schemes for the separable hamiltonian system and the symplectic partitioned runge - kutta ( prk ) method for the generic hamiltonian system
本文對該方法進行了初步的研究和計算應用,具體展開了以下幾方面的工作: ( 1 )從lagrange力學出發引入hamilton力學和hamilton正則方程的概念,討論了hamilton系統的辛性質,給出了構造辛演算法的基本原理,並重點介紹了線性可分hamilton系統的顯式辛格式和一般hamilton系統的辛prk方法。This subject is to combine the steel fiber reinforced concrete with the lightweight aggregate concrete to form a steel fiber reinforced lightweight aggregate ( haydite ) concrete, which owns the advantages of high toughness of steel fiber reinforced concrete and the light weight of lightweight aggregate concrete. in order to get the main character and mechanical property parameter of strength and deformation of steel fiber reinforced lightweight aggregate concrete, we do the experiments of cubic compressive strength, splitting - tensile strength, bending strength, elastic modulus and axial compressive strength and summarize the influence laws to the relation of mechanical performance of steel fiber reinforced lightweight aggregate and the quantity of steel fiber
鋼纖維輕骨料混凝土兼有鋼纖維混凝土的韌性高和輕骨料混凝土質量輕的優點,為了掌握這種新型材料的主要特徵和強度、變形等力學性能,本文進行了鋼纖維輕骨料混凝土的立方體抗壓強度、軸心抗壓強度、劈裂抗拉強度、抗折強度和彈性模量等試驗研究,總結出鋼纖維摻量對鋼纖維輕骨料混凝土的力學性能的影響規律。Inversion analysis of measured displacements is used extensively in geotechnical engineering, structural engineering, information construction, and trauma diagnosis, etc. in this dissertation, parameters identification of original geostress and medium physical property in cavern, slope, tunnel and dam are taken as a cut - in point. macroscale inversion analysis of displacements and numerical solutions of inverse problems of mechanics are researched profoundly. scientific theories of multiscale problems are connected with numerical inversion approaches
本文以地下洞室、邊坡工程、隧道工程與大壩等領域的初始地應力參數和介質物性參數識別為切入點,對宏觀尺度位移反演分析和力學反演問題數值求解方法進行了比較深入的研究,並將多尺度問題科學理論和反演數值方法聯系起來,初步探討了結構性承載材料(如巖石、骨材料等)的多尺度力學模型及其反演方法。The classic macroscopic mechanical models, which characterize the concrete as a continuum at macroscopic level and consider the test results of laboratory scale specimen as the mechanical properties of the material, could analyze the mechanical response of structures with greater size. in reality, the test results of laboratory that are generally called physical and mechanical parameters of material are average responses of a heterogeneous specimen with a certain size
有關混凝土力學特性的力學模型都是基於混凝土材料的宏觀層次研究其力學特性,其主要特點是把材料理想化為均質材料進行研究,把實驗室尺度下力學試驗的結果作為材料的力學參數,以此為基礎進行更大尺度宏觀結構的力學響應分析。Inertial frame in special relativity, spacetime, lorentz transformation, lorentz contraction, time dilation, velocity transformation, relativistic optics, relativistic particle mechanics, relativistic and electromagnetism
特殊相對論之慣性座標、時空、勞倫茲變換、勞倫茲收縮、時間延伸速度變換、相對論光學、相對論質點力學、相對論電磁學。分享友人