質量密度 的英文怎麼說

中文拼音 [zhíliángmìdù]
質量密度 英文
de ity of ma
  • 質 : Ⅰ名詞1 （性質; 本質） nature; character; essence 2 （質量） quality 3 （物質） matter; substance;...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 密 : Ⅰ名詞1 （秘密） secret 2 [紡織] （密度） density 3 （姓氏） a surname Ⅱ形容詞1 （距離近; 空隙小）...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 質量 : 1 [物理學] mass 2 （產品或工作的優劣程度） quality 3 economy （離子源的）; 質量標準 quality level...
  1. ρ is the mass density of the material.

    為材料的質量密度。
  2. Elemental sulfur is a kind of most promising cathode material for the next generation lithium batteries, due to its the highest specific capacity, abundant resources, and low toxicity

    單質硫因具有很高的能量密度、豐富的自然資源和環境友好等多種優勢，成為下一代鋰電池中最有發展前景的正極材料之一。
  3. 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。
  4. This paper deals with the static and dynamic output kinematic accuracy of a group of elastic slider - crank mechanisms with the same design parameters by taking the bar length, joint - gaps, mass density, interception and physical parameters as random variables

    摘要將彈性曲柄滑塊機構的桿長、截面尺寸、鉸鏈間隙、質量密度、彈性模量等幾何、物理參數均視為隨機變量，對機構輸出運動進行了靜態和動態誤差分析。
  5. In the case of an open universe, the mass density ( denoted by the greek letter omega ) is less than unity, and the universe is predicted to expand forever

    在一開放的宇宙里，質量密度（以希臘字母歐米加表示）是小於平均數，且宇宙被預言永遠地膨脹下去。
  6. Weight : density of 2. 1 g / cm3 density can be varied by aggregate addition

    質量：密度為2 . 1克/立方厘米，密度隨著添加量的增加而改變。
  7. The radius of color screening in medium is in inverse proportion to the density of color charge and energy. when the radius of color screening is smaller than that of resonance state, strong interaction will decrease sharply and bound states ca n ' t exist

    因為介質中的色屏蔽半徑反比於色荷密度和能量密度，當屏蔽半徑比共振態尺度小時，強相互作用力會減小得很厲害，使得束縛態不可能存在。
  8. One of important purposes of high - energy heavy ion physics is to study strongly interacting dynamics in high energy density and high temperature environment

    高能重離子物理的重要目的之一是研究極高能量密度和極高溫度環境中強相互作用的動力學性質。
  9. Based on analyse of parameters which used to evaluate laser beam quality at present and according to the main properties which influence on laser manufacturing, beam focus characteristics parameter is put forward as the stander parameter to evaluate beam quality, because the foundmental advantage of laser beam applied in industral field is that laser beam can achieve high energy intensity through focusing

    論文在總結目前存在的評價激光光束質量參數的基礎上，根據對影響激光製造的主要光束特性參數的分析，以光束空間特性為核心，提出用光束聚焦特徵參數值作為評價激光光束質量的參數。因為激光作為能源能夠在工業領域廣泛應用的根本優勢就在於它可以通過聚焦獲得極高的能量密度，而值恰恰表徵了實際光束的可聚焦能力。
  10. High energy density is one of the main research fields in physics. the electro - magnetic implosion is one of ways that attain high energy density state under experiment conditions. the electro - magnetic implosion can produce a state of l - 100mj / cm3 in microsecond

    高能量密度狀態（極端高溫高壓的物質狀態）一直是物理學感興趣的領域之一，它的溫度從數十電子伏特到數千電子伏特，壓力范圍為10 ~ （ - 1 ） 10 ~ 2tpa 。
  11. Piezoelectric sensing technique has been applied to many fields, including analytical chemistry, life science, environmental monitoring and surface sciences because of it ' s small size, high sensitivity, simplicity, low power consumption and broad sensing spectrum. piezoelectric immunosensors possess high selectivity provided by antibodies or antigens and sensitivity response directly to the mass change of proteins. immobilization technologies of biomolecules are of paramount importance in order to preserve their biological activity

    壓電免疫傳感技術利用壓電晶體與抗原抗體特異性免疫反應結合的特徵，通常在壓電石英晶體表面先固定抗原（抗體） ，響應溶液中抗體（抗原）引起的質量、密度和粘度等性質的變化，它兼具有壓電質量響應的高靈敏性和生物化學反應的高特異性。
  12. It takes a very large mass or a great concentration of mass to produce much spacetime curvature

    我們得有非常大的質量或者很高的質量密度，才能產生很大的時空曲率。
  13. The largest scale on which the mass density has been measured with any precision is that of superclusters

    已經用任何精密測量的質量密度的最大值是超星系團的數值。
  14. Introducing mass density allows the equation to be simple, understandable and applicable

    而且，引入質量密度后，該方程形式簡單並易於理解和應用。
  15. Mass density is the physical quantity determining the future of the universe. there is a value called the

    宇宙的質量密度決定了宇宙的命運，假若質量密度大過某一稱為
  16. A parameter known as the " mass density " - that is, how much matter per unit volume is contained in the universe - determines which of the three possibilities applies to the universe

    以「質量密度」聞名的一個參數-也就是，在宇宙里含有多少單位體積物質?確定三種可能性哪一種適用於宇宙。
  17. The density of the universe is still unknown. one of the major problems is the existence of

    要準確量度宇宙的質量密度非常困難，最大的障礙來自宇宙的
  18. If so, its temperature should be related to its mass and density and therefore to its luminosity ; specifically, the luminosity should be proportional to the square of the temperature

    果真如此的話，則氣團溫度應該與其質量、密度甚至光度有關；明確地說，光度應與溫度的平方成正比。
  19. If the density is smaller, the universe will expand forever

    若質量密度比臨界值少，宇宙便會無休止地膨脹，我們稱之為
  20. Considering the randomness of physics parameter ( density and elastic module ) of structural material, structural dynamic characteristic based on probability is analyzed taking plates as example

    在考慮結構材料的物理參數（質量密度和彈性模量）為隨機變量的情況下，對板結構進行了基於概率的結構動力特性分析。
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