引常數 的英文怎麼說
中文拼音 [yǐnchángshǔ]
引常數
英文
gravitational constant-
It would, however, require a truly epic economic renaissance to tempt back even half the cook islands ' far - flung diaspora
然而,這可得是個非常巨大的經濟復甦,才能吸引半數庫克島那些遠渡重洋離鄉背井的人回家。A historical review of einstein ' s introduction of cosmological constant
愛因斯坦引入宇宙常數的歷史評述Witten ' s open string field theory formulate the interaction of bosonic open strings in the language of noncommutative geometry. compactification of matrix theory on the noncommutative torus was argued to correspond to supergravity with constant background three form tensor field. more generally, it has been realised that noncommutative gauge theory arises in the worldvolume theory on d - brane in the presence of a constant background b field in string theory
Witten的開弦場論用非對易幾何描述了玻色開弦的相互作用;在非對易torus上的矩陣理論的緊化對應于帶有常數三形式張量場的超引力;更為普遍的,非對易規范理論可以自然地產生在帶有常數b背景場的三維d - brane上。Where m is the mass of the black hole, g is the gravitational constant and c is the speed of light
公式中的m是黑洞的質量, g是引力常數, c是光速。Since represents an indefinite integral, the ambiguity arises from constant of integration.
由於表示不定積分,而積分常數引起了不確定性。Global changes of the heatbalance between the sun and the earth are influenced by variations in the solar constant.
太陽和地球間熱平衡的全球性變化是太陽常數的變化引起的。The change of lattice constants and the cell volume expansion are calculated, which make an important contribution to the increase of the magnetocrystalline anisotropy
計算了引起材料磁晶各向異性大大增加的點陣常數的變化和體積膨脹量。A first, and perhaps the most convincing candidate for the dark energy, is the cosmological constant, introduced by einstein in 1917 and later rejected by him
黑暗能量其實很可能就是愛恩斯坦在1917年在引力方程中加入,但終被拋棄的宇宙常數。A two - cylinder model for saal incorporating bem simulations is proposed, which introduces a factor concerning the geometric parameters of the levitator into the expressions for the time - averaged potential u, acoustic radiation force f, and restoring force constant ki, respectively, and builds up the relationship between the levitation capabilities and the geometric parameters of a single - axis acoustic levitator
建立了單軸式聲懸浮的優化設計理論模型,採用邊界元方法求解入射聲場,在表徵聲懸浮性能的時間平均勢u 、聲輻射力f _ i和回復力常數_ i的表達式中分別引入了一個涉及懸浮器幾何參數的因子。The cosmological constant is a mathematical representation of the energy of empty space, also known as " dark energy ", which exerts a kind of anti - gravity force pushing galaxies apart at an accelerating rate
宇宙常數是空虛空間能量的數學描述,一般稱為黑暗能量,這種反引力促使星系彼此加速遠離。Gaussian constant of gravitation
高斯引力常數For the research of pointwise geometric property, in this thesis, we creatively introduced pointwise geometric constant
為研究點態幾何性質,本文首創引入點態幾何常數。A reference type that encapsulates data constants and fields and behavior methods, properties, indexers, events, operators, instance constructors, static constructors, and destructors, and can contain nested types
一種引用類型,它封裝數據和行為,並可以包含嵌套類型,其中數據包括常數和欄位,行為包括方法、屬性、索引器、事件、運算符、實例構造函數、靜態構造函數和析構函數。The control motors in the well traction robot require high temperature resistant, quick response, small volume and large power density. because coreless dc motors uses ironless - rotor, the inertia and inductance is very small, mechanical time constant is less than 28 milliseconds, several products can attain in less than 10 milliseconds. its weight and size are 1 / 3 - 1 / 3 less when compared with an iron core motor of same power
水平井牽引機器人對控制電機不僅有耐高溫要求,而且有響應快、體積小、能量密度大等要求,而空心杯電樞直流電動機由於無鐵心,故慣量和電感均大為減小,機電時間常數小於28ms ,部分產品可以達到10ms以內;與同等功率的鐵芯電機相比,其重量、體積減輕1 / 3 - 1 / 2 ,是低慣量電機中性能最好的一種。In the last chapter, by introducing the isochronous center of real systems into complex planar and defining complex center and complex isochronous center, a concise linear recursion formula for period constants is given, necessary and sufficient conditions of complex isochronous center ( the time - angle difference theorem ) proved, conditions of real systems with linearizable center and saddle treated unitedly and the isochronous center conditions discussed fully for a class of real planar cubic systems
在第七章,通過把實系統等時中心引入復平面研究,定義了復中心和復等時中心,給出了等時中心周期常數計算的簡明的線性遞推公式,證明了等時中心判定的充分必要條件(時角差定理人統一地處理了實系統具有可線性化的中心和鞍點條件,並對一類實平面三次系統的等時中心條件進行了完整研究Secondly, from the view of the analysis of potential science, the teaching mode of the basic constants in physics is presented. thirdly, on one hand, author analyses the basis of epistemology, scientific philosophy and psychology of the teaching mode, on the other hand, author investigates the potential properties and shapes of the basic constants in physics. at the same time, it is also given the path of applying the theories and methods of potential science to the teaching of the basic constants in physics
本論文首先,扼述基本物理常數「潛? ?漸顯? ?顯? ?漸潛… … 」潛科學分析的分析理念;其次,探討基本物理常數潛科學分析的教學模式:提出問題,引起認知定向呈現進化過程,挖掘物理內涵揭示並闡述潛科學特徵採取有效途徑,培養科學素質再次,一方面從理論上闡釋基本物理常數潛科學分析教學模式的認識論、科學哲學和心理學依據,另一方面從實踐上闡釋基本物理常數的創造性、反常性、待定性、隱變性、高難性及趨顯性等潛科學特徵,同時提出科學問題、科學幻想、科學猜測、科學經驗、科學悖論、科學蒙難、科學論爭、科學失誤、科學伯樂、科學潛才等潛科學形態與方法應用於基本物理常數教學中的途徑。In order to overcome the difficulty mentioned above, this paper provides an improved heat transfer equation and a mended bem for the problems. first of all, the enthalpy and the " virtual temperature " are introduced into the paper to eliminate several mutative thermophysical properties in the heat transfer equation. secondly, the movement of the boundary between the solid and liquid phases in the billet is educed by virtue of the laplace transform
這些改進包括:引入熱焓和「虛擬溫度」的概念,對非常數的熱物性參數進行整合:充分考慮鑄坯凝固潛熱釋放帶來的影響,利用「溫度回升法」來加以處理;利用拉氏變換和反拉氏變換的原理來對凝固過程中鑄坯內部固液相界面的移動方程進行了推導和求解,在凝固過程中充分考慮鑄坯內部的固液兩相的影響等等。The second part studies optimal pure proportional navigation ( ppn ), with time - dependent gain of navigation to maneuvering target based on proportional navigation theory. optimal gain of navigation is constant for ppn without maneuvering ; based on this, solution of time - dependent gain of navigation is given by iteration approach, and the time required for capture is given, the times of iteration is decided by comparing this time with the iteration step
對目標機動的追逃問題,考慮導航增益可為任意實數,且隨時間和初始條件改變,這一思想是建立在目標非機動的純比例導引制導規律,最佳導航增益為常數的基礎之上,利用迭代的方法,給出了時變的導航增益的求解方法,並給出了實現捕獲所需的時間,用此時間與迭代步長進行比較,判定迭代次數。It has been said that wong tai sin is able to " make every wish come true upon request " and gives accurate predictions. thus, numerous believers are attracted here to make wishes and pay tributes
據說黃大仙有求必應,簽文尤其靈驗,故吸引無數善信到來膜拜,常年香火鼎盛,香煙繚繞。Passing a non - const pointer parameter to a function that expects a reference to a const pointer parameter
將非常數指針參數傳遞給需要常數指針參數的引用的函數分享友人