momentum principle 中文意思是什麼
momentum principle
解釋
動量原理-
This is the well-known principle of conservation of momentum.
這就是眾所周知的動量守恆定律。 -
The uncertainty principle of quantum mechanics states that both the position and the momentum cannot simultaneously be known with infinite precision at the same time
既是位置又是動量的量子力學態測不準原理在同一時間以無限精確不能同時被知道。 -
Analysis is made on structure characteristics of the finned - tube, and analysis has been made on the special heat and mass transfer principle of every micro - unit under both dry and wet conditions. appropriate hypothesis is made and based on the energy, mass and momentum equivalent, the evaporator models of dynamic distributed parameters are set up. in addition, the gascooler and internal exchanger models of dynamic and distributed parameters, the throttling valve models and the compressor models are set up, too
本文的內容如下： 1對翅片管蒸發器的結構特點進行分析，選取適當的微元體，對于干、濕工況下每個微元分別進行傳熱傳質分析，通過適當的假設，利用質量守恆方程、能量守恆方程和動量守恆方程建立了蒸發器的分佈參數數學模型；對回熱器劃分微元建立了分佈參數數學模型；對氣體冷卻器建立了分佈參數數學模型；對壓縮機建立了數學模型；建立了節流閥的數學模型，為系統模擬奠定了基礎。 -
The main researches enclosed in this thesis are as follows : 1. based on the newton ' s law of motion, the law of angular momentum and the variation principle, the dynamic model of the satellite with a flexible appendage has been researched
主要內容有五個方面： 1 、運用牛頓定律、角動量定律和變分原理建立了帶撓性附件的衛星動力學模型，分析了撓性太陽帆板轉動對衛星動力學模型的影響。 -
As it contracts, the principle of angular momentum conservation forces it to rotate faster [ see box on opposite page ]
當它收縮時，角動量守恆的原理強迫它轉得更快（見右頁氣體盤的誕生） 。 -
Secondly, at the premise of the basic hypothesizes, establish the “ astronaut - spaceship ” system dynamics equations based on the principle of momentum conservation, and simulate the disturbance influence of the spaceship attitude induced by five kinds astronaut ’ s motion include stand - up act, landing act, right arm single - pendulum motion, left arm double - pendulum motion, right arm operating panel motion
其次，在基本假設的前提下，基於動量矩守恆原理建立了「航天員?飛船」系統動力學方程，並模擬分析了起立動作、停靠動作、右臂單擺運動、左臂雙擺運動和右臂操作儀錶板五類航天員運動對飛船的姿態的擾動影響。 -
Based on prandtl ' s momentum transportation, this paper calculates in detail the physical quantities such as eddy viscosities, and ratio of eddy viscosity to motion viscosity, total stresses with respect to relative position in three regions of viscous sub - layer, buffer layer, and main turbulent stream for non - newtonian fluid flowing turbulently in ducts, which according to karman ' s three layer models and measurement of fluid parameters in evaluation apparatus, discusses the influence of polymer drag reduction on flowing properties of non - newton fluid, analyzes quantitatively principle of turbulent reduction phenomenon and condition of increasing reduction rate
摘要以普蘭德動量傳遞理論為基礎，按照卡門的三層模型，通過室內模擬環道用0號柴油及加入減阻劑在圓管內的流動參數的測定，計算了非牛頓型流體管內湍流邊界層的層流內層、過渡層、湍流中心的渦流粘度，渦流粘度與運動粘度比、總應力隨相對位置的變化等定量參數，探討了高分子減阻劑對非牛頓流體流動特性的影響，對湍流減阻現象的機理與增大減阻率的條件進行了定量分析。 -
Interaction principle and general momentum equilibrium equation for fluid flow in multiphase media
相間相互作用原理與土壤水動力學基本方程 -
Based on the conservation principle of linear and angular momentum, the method derives the equations of the mass and mass center as well as inertia tensor of the new end - effector for the manipulator handling the unknown object
該方法基於線動量和角動量守恆定律，推出了機械臂負載未知目標的新的末端效應器的質量、質心和轉動慣量的方程組。 -
Principle of linear momentum
線性動量定理 -
Less massive stars such as our sun, can in principle shake off their excess angular momentum in a rather distinctive fashion.
跟我們太陽一樣的質量較小恆星原則上能以完全不同的方式，拋掉他們的剩餘角動量。 -
Schrodinger equation, bound states, hydrogen atoms, wave packets and uncertainty relations, wkb approximation, principle of quantum mechanis, perturbation theory, variational method, spin and angular momentum, scattering theory
薛丁格方程、束縛態、氫原子、波包及測不準原理、 wkb近似、量子力學的原理、微擾論、變方法、自旋與角動量、散射論。 -
Principle of momentum conservation
動量守恆原理 -
This thesis expounds fundamental principle and realization technique of artificial neural network and genetic algorithm, and redacts artificial neural network procedures. - ( l ) adopting batch processing high - speed algorithm, the thesis redacts back - propagation network procedure to enchance training velocity, in which learning rate and momentum parameters are modulated self - adaptably during error correction
本文闡述了人工神經網路和遺傳演算法的基本原理及實現技術，並在此基礎上利用matlab5 . 3編寫了人工神經網路程序： （ 1 ）編寫了bp人工神經網路程序，採用vogl 「批處理」快速演算法，學習速率、動量參數在誤差修正過程中自適應調節，提高了訓練的速度。 -
The principle of conservation of momentum holds whatever the nature of the internal forces, conservative or not.
動量守恆原理則不管內力的性質如何（保守的或非保守的）都能適用。 -
Principle of conservation of momentum
動量守恆原理 -
This principle must be upheld, especially after the appointment of principal officials with a background in commerce. otherwise, when the executive - led system gathers momentum, principal officials will have even more power and can push through economic projects that are driven by political planning. the result will almost certainly be a waste of resources and endless political troubles
這些原則和信念，在引入帶商業背景的部長后，更要貫徹紿終，否則將來行政主導更為暢順的時候，部長更可以有權一意孤行，推行計劃性的、政治性的經濟活動，這種改變是極有可能帶來資源的浪費和無窮的政治後患。
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