self-gravity 中文意思是什麼
self-gravity
解釋
n. 名詞 【物理學】自重力。-
Measurement of the center of gravity in plumb direction for a self - propellant gun
自行火炮鉛垂方向重心位置測量 -
And the relation between these velocity was analyzed at last. this is the conclusion : ( 1 ) the distribution of the velocity and concentration are get in the open channel flow and as the sewage flow is gravity flow, the equations is fit for this too. ( 2 ) generally speaking, the self - cleaning velocity should be the starting velocity, and it could fit for the self - cleaning target in limited sense theoretically, but when facing some higher requirement, it is not large enough
最後結合污水流動的最小設計流速與顆粒起動流速、臨界不淤流速的關系進行了分析，結論如下: （ 1 ）文中所得出的速度分佈與濃度分佈是在明渠兩相流動情況下推得的，由於污水管道流動多為重力流，是明渠流中的一種，所以文中的分析在認識污水流動特性方面具有一定的參考價值。 -
The stirred fluid and beads have multidimensional circulation motion and self - rotation for the stirrer rotation in the grinding chamber of a stirred media mill. high intensity motion is caused by multi - direction displacement of fluid and beads. the powder is comminuted by compression caused by beads gravity and helical turn for rubbing, impacting and shearing
攪拌磨磨筒中，在攪拌器的攪動下，物料與磨介作多維循環運動和自轉運動，從而在磨筒中不斷地上下、左右相互置換位置產生激烈的運動，由磨介重力以及螺旋迴轉產生的擠壓力對物料進行摩擦、沖擊、剪切作用而粉碎。 -
Self - densifying high performance concrete is well - performing concrete with the good performance of fluidity, anti - segregation and filling - up - space. with its own gravity and without any vibration, it can automatically fill up the space in and between fixed shutters and form self - densified concrete structure of ideal dynamic property and durability, therefore, it can accelerate construction progress of a building, shorten the construction period, secure concrete quality and improve the building ' s durability. in the mean time, it is conducive as well for environment protection and effects remarkable social and economic efficiency
自密實混凝土屬于高性能混凝土，它具有高流動性、高抗離析性、高填充性的性能，在自重作用下無需振搗，自行填充模板空間，形成自密實的混凝土結構，有良好的力學性能和耐久性能，可以加快工程建設進度、縮短工期、有效控制混凝土的質量、提高建築物及構築物的耐久性，並有利於環境保護，具有較高的社會和經濟效益。 -
1 a planet is a celestial body that is in orbit around the sun, has sufficient mass for its self - gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium nearly round shape, and has cleared the neighbourhood around its orbit
1 .行星是指符合以下特性的天體： a在圍繞著太陽的軌道上運行b有足夠質量以產生引力達至流體靜力平衡的形狀近似球形及c已使其軌道附近清空。 -
2 a dwarf planet is a celestial body that is in orbit around the sun, has sufficient mass for its self - gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium nearly round shape, has not cleared the neighbourhood around its orbit, and is not a satellite
2 .矮行星是指符合以下特性的天體： a在圍繞著太陽的軌道上運行b有足夠質量以產生引力達至流體靜力平衡的形狀近似球形c沒有使其軌道附近清空及d不是衛星。 -
Organic bentonite - yh - 958 introduction : yh - 958 organic bentonite is the self - active organic bentonite. it can be added in every step of compounding paint, it no needs pre - gel or polar activator, it has perfect rheological, anti - settling and sag prevention. besides the characters of the other yh bentonite, yh - 958 function well in high gravity, low viscosity pigment solvent system
Yh - 958和978產品是國內首創的自活化有機膨潤土，可在調漆的任何階段加入，無需預凝膠和極性活化劑，分散細度可在20um以下，可用於面漆和底漆，提供油漆體系理想的流變性能，控制沉降和流掛，除具備同類產品的特點以外， yh - 958在較少添加量，低粘度的高比重顏料體系中形成微弱的絮凝結構，防止顏料沉結 -
According to the new rules for a planet adopted at an international astronomical union meeting in prague, pluto doesn ' t make the grade for a planet : " a celestial body that is in orbit around the sun, has sufficient mass for its self - gravity to overcome rigid body forces so that it assumes a nearly round shape, and has cleared the neighborhood around its orbit. " pluto is automatically disqualified because its oblong orbit overlaps with neptune ' s
根據在布拉格舉行的國際天文聯合會會議通過的行星新定義，冥王星達不到行星的級別，即：在繞太陽的軌道上運轉的天體，體積足夠大使其自身的重力可以克服其剛體力呈近似圓球狀，且能夠清除其軌道附近的其他天體。 -
5 ) to solve the uncertain modeling problem about hydraulic buildings, a new modeling method named aggregation modeling based on graph object technique is put forward. as a result, the graph model of solid gravity dam is designed. the graph object of water _ proof dam section taken as an example, the design and implement of self defined graph object is discussed
5 ）根據水工建築物不定型建模的特點，提出一種基於圖形對象技術的聚合建模方法，詳細討論了聚合建模法的基本原理；設計了實體重力壩的圖形對象模型，並以擋水壩段圖形對象的設計為例，研究了自定義圖形對象的設計和實現；基於objectarx的通知? ?反應機制，採用數據庫反應器和對象反應器，建立了圖形對象的互動操作機制；以擋水壩段斷面優化設計為例，研究了圖形對象和分析、計算功能的集成方案。 -
Because gravity in these systems is not a fixed external force but a product of the stars themselves, waves can be self - reinforcing
在這些系統中，重力並非恆定不變的外力，而是恆星自身的產物，波動可自我強化。 -
Self - erection system is applied to construction of most of modern large span concrete bridges. in the process of construction, cantilever beam is changing continuously because of the gravity of concrete, the stretching force, the load and temperature variation etc. in order to ensure that two cantilevers constructing opposite can normally close up and that the bridge linearity can accord with design, flexibility deformation has to be monitored
現代大跨度混凝土橋梁多採用自架設體系施工，在混凝土自重、張拉力、橋面荷載、溫度變化等的作用下，懸臂梁體處于不斷的變化之中，為保證對向施工的兩端懸臂能正常合攏和控製成橋線形符合設計要求，需要對施工過程中的撓度變形進行監測。 -
Einstein ' s theory was the first concept of gravity that offered a hope of providing a self - consistent picture of the whole universe
愛因斯坦的理論是頭一個有希望能夠完善地描繪宇宙的重力論。 -
This may be why uranus ' s rings are slightly out of round : their self - gravity resists the tendency to smear into a circular band
或許這就是為何天王星環不是那麼的圓：環內的重力在對抗要擴散成圓帶的傾向。 -
The asphalt concrete has very good flexibility to fit different kinds of settlements. if there were cracks, the asphalt concrete would be able to self - heal up with the act of the dam gravity. besides that, the impervious asphalt concrete is much easier to construct than the impervious earth material
碾壓式瀝青混凝土的滲透系數一般小於1 10 ~ （ - 7 ） 10 ~ （ - 8 ） cm s ；瀝青混凝土具有較好的柔性，能較好地適應各種不均勻沉陷，如果一旦發生裂縫，在壩體應力作用下，瀝青混凝土有自愈閉合能力；瀝青混凝土防滲體比土質防滲體易於施工，在多雨季節更顯出其優越性。
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