gravity constant 中文意思是什麼

gravity constant 解釋
重力常數
  • gravity : n. 1. 認真，嚴肅，莊重。2. 重要性，嚴重性；危險性。3. 重量。4. 【物理學】重力，引力，地心吸力。5. 【音樂】（音調的）低沉。
  • constant : adj 1 恆定不變的，固定的，穩定的，恆久的；繼續不斷的。2 不屈不撓的，堅韌的。3 忠實的，有節操的。n...
  1. When the field is slowly - varying, the scalar field potential acts like a cosmological constant. in addition to the quintessence models, many other theories for dark energy have been proposed, including models based on super - symmetric gauge theories, super - gravity, small extra dimensions, large extra dimensions, quantum field theory effects in curved space - time. all these models are essentially based on the existence of a mass less scalar field acting at a cosmic scale

    除了真空場模型外，科學家亦提出其他解釋黑暗能量的理論，這些模型建基於不同的物理理論或假設，例如超對稱規范理論超重力增加一些小或大的空間維數量子力學在彎曲時空的影響等等，這些理論模型，返本溯源，其實背後都假設存在著一個特性類似於宇宙常數的無質量純量場。
  2. String theory, which unites gravity with quantum mechanics, offered the hope of explaining the attenuated cosmological constant

    統合重力及量子力學的弦論，似乎能為微小的宇宙常數提供一個合理解釋。
  3. 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。
  4. The force of gravity is not constant everywhere for elliptical form and rugged surface of the earth.

    由於地球的橢圓形狀及其高低不平的表面，重力不是到處都一樣的。
  5. The research shows that students misunderstand the relation between force and motion. gravity and action / reaction ; that in dc circuit, students of different age groups have the belief of " consumption of current ", " clashing currents " and " the battery as a constant current generator " ; that in understanding the concepts of electricity students lack th e knowledge of relating the micro with the macro ; and that students have serious difficulties in understanding the propagation of mechanics wave, the speed of wave and superposition, and do not make a distinction between the initial conditions and the medium properties of the system

    具體表現在：學生對力和運動的關系、重力和平衡、作用力與反作用力存在一些誤解；對直流電路，不同年齡的學生不同程度地存在電流消耗、碰撞電流、恆定電流源等觀念，而且對電學概念的理解缺乏宏觀與微觀的聯系；學生在機械波的傳播、波速、波的疊加上存在嚴重的困難，對于機械波的傳播學生不能區分初始條件和媒質特性，並錯誤地將動力學某些觀念與機械波進行類比。
  6. The main purpose of this paper is to treat a gravity wave field with an array of two or more cylinders and to demonstrate the wave height distribution with different flow speed or different flow incident angle in a wave - current flow field with constant depth

    摘要本文的主要目的，在研究重?水波通過有限水深之群柱間時周圍?場的波高現象，以及探討波?共存時在?同?速及?同入射角?經圓柱群時所造成之波高變化。
  7. I t adopts means of gravity tension which can make the belt at constant tensioning status, increase weighing precision

    採用重力張緊，可使膠帶保持恆定的張力，不需經常調整，有效地防止膠帶打滑，保持信號速度的準確，提高計量精度。
  8. Vgc standard test method for calculation of viscosity - gravity constant of petroleum oils

    石油潤滑油粘度-重力常數
  9. Viscosity gravity constant

    粘度重力常數
  10. The research results show that the counter - flow condensers have a better performance than that of other arrangements in single - circuit condensers, and that branch flow should be adopted in multi - rows condensers to decrease the pressure drop and increase the heat transfer capacity, and that the influence of gravity force can not be ignored, and that there must be an optimum refrigerant mass flow which can make the condenser perform best when the air velocity is constant while there must be an optimum air flow which can make the condenser perform best when the refrigerant mass flow is constant

    研究結果表明，單迴路冷凝器中，逆流布置換熱效果最好，叉流其次，順流最差；多排管冷凝器應盡可能採用分流方式，以減小壓降，增強換熱；布置冷凝器流程時，重力的影響不可忽略；當風量不變時，必然存在一最佳製冷劑流量使冷凝器性能達到最佳；當製冷劑流量保持不變時，也相應存在一個最佳風量使冷凝器性能最佳。
  11. The gravitational effect of matter caused acceleration and an unstable universe, which einstein did not want, since at the time the universe was not known to be expanding. thus einstein introduced a cosmological constant into his equations for general relativity. this term acts to counteract the gravitational pull of matter, and so it has been described as an anti - gravity effect

    當時科學家並不知道宇宙正在膨脹，所以愛恩斯坦對這樣的宇宙模型並不滿意，故特意在廣義相對論引力方程中加入一個人工的宇宙常數，這個常數的作用，相等於一個和引力相反的排斥力，以抵銷引力的作用。
  12. We are born on the outermost layer of the earth ' s surface, pass our life on this surface, and die here. gravity is the most constant force affecting our lives

    人類生於地球的最表面，在地球表面上生活，度過一生。地球重力是影響人類的最重要的力量之一。
  13. 05. 01 test method for calculation of viscosity - gravity constant of petroleum oils

    計算石油的粘度-比重常數的試驗方法
  14. He also realized that a rocket increasing in speed at a constant rate would feel the same force of “ gravity ” as one sitting on the earth

    他也認識到在恆定加速上升的火箭中，人將感受到和坐在地球上的人相同的引力作用。
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