Archimedes first discovered the principle of displacement of water by solid bodies. 阿基米德最先发展固体排水的原理。
Our physics teacher was struggling to draw the class into a discussion of Archimedes principle of water displacement. 我们的物理老师竭力引导全班同学就阿基米德的浮力原理展开讨论。
They should not bring much rise in the sea level, since floating ice obeys Archimedes's principle and displaces its own mass of water. 海平面不会大幅升高,因为浮冰遵循阿基米德定律,排开的海水量与自身的含水量相同。
Similarly, on the pure logic analysis of the Archimedes Principle and Free Fall Law, we could get an inevitable conclusion directly, which could help us better understand the laws of physics. 同样对阿基米德原理,自由落体问题等进行纯逻辑的分析,非常直接地得出了必然的结论,并且可以帮助我们更好地理解物理规律。
Archimedes, a great physicist, discovered the principle of floating bodies. 阿基米德,一位伟大的物理学家,发现了浮体原理。
Pores and density along the radial direction of the composite sample deposited at different temperatures were measured by means of Leica quantitative metallography and Archimedes principle methods. Morphologies and pores of the composites were observed by scanning electron microscopy. 用Leica定量金相分析仪及Archimedes排水法测定了不同沉积温度制备的样品沿径向的孔隙率及密度分布,同时用扫描电子显微镜观察了样品的低倍形貌及孔隙率分布。
By means of the strain gauges method and Archimedes 'principle, the influence of graphite flake addition on the density and the inner stress formed in curing procedure were investigated through the strain measured during heating curing as well as the weight and volume of cured specimen. 用应变片电测法和阿基米德法,分别测定了鳞片石墨含量不同的环氧胶加热固化中的应变和固化完成后试样的密度,以研究石墨含量对金属-环氧胶接头胶层固化内应力的影响。
The density of YSZ was measured according to Archimedes 'principle. 根据阿基米德原理测瓷体密度;
According to Archimedes principle, a method, so called couple weighing method, for measuring the density of the high temperature melt was proposed in which a new-designed sinker, corresponding measuring regime and calculating formula are presented. 根据Archimedes原理设计了测量熔体密度的新型沉锤和测量程序并导出了新的计算密度的公式,建立了联称法。
Based on Archimedes theorem and lever balance principle, we can calculate the buoyancy's variety of the bal-ance objects. This variable just equals to the weight of the measured object. 浮力天平的测量是利用阿基米德定理,计算出配重物体受到的浮力,再通过杠杆平衡的原理得出配重物体浮力的变化即被测量物体的重量。
Porosity and strength were tested by the Archimedes 'method and the lever principle, and the main blemish was analyzed. 分别用阿基米德法和杠杆原理对材料的气孔率与强度进行了测试,并对产生的主要缺陷进行了分析。
The buoyancy of an object in fluidized bed is basically governed by the Archimedes 'principle. 物体在流化床中受到的浮力基本遵守Archimedes原理,等于所排开拟流体的重力。
On the other hand, porosity, mechanical property, distribution of pore size and grain size are also developed respectively via Archimedes principle, lever principle, BET and quantitative analysis method. 通过阿基米德原理、杠杆原理、氮吸附法、定量分析及数理统计等手段对烧结体的孔隙率、力学性能、孔径和晶粒大小及其分布进行了表征和探讨。
Draft Survey based on "Archimedes" principle is a simplify procedures, saving time and labor and efficient method of weight, it calculates the weight of the cargo handling after obtaining the corresponding displacement hull through detecting drafts of the carrying vessels. 水尺计重是通过观测承运船舶的吃水,求得船体的相应排水量,计算所装卸货物的重量,是简化手续、省时省力和效率较高的一种计重方法。