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With the development of medicine and science, it becomes a trend to use phantom for experiments and trainings.

科学的进步、医学的发展,采用仿真人体模型进行模拟实验和医学训练已成为国内外发展的潮流。

Samples were collected in lab for civil coal combustion and in field for coke plant and petroleum asphalt, 13 polycyclic aromatic hydrocarbons were determined by GC/MS.

利用模拟实验采集了民用燃煤污染源样品,在现场采集了焦化厂和石油沥青两类污染源样品,用GC MS联用技术测定了样品中 13种多环芳烃。

Third, this study completely derives and proves the asymptotic characteristics and distributions of the quasi maximum likelihood estimators and testing the theoretical performance by Monte-Carlo simulation.

三、本研究基于拟极大似然方法对一类动态空间固定效应模型的参数进行估计,系统地推导和证明了参数估计量的渐近性质和渐近分布;并基于Monte-Carlo模拟实验对估计量渐近性质进行检验。

Though simulations on abated effect of nylon net with different porosities on wind-blown sand in wind tunnel, the aim of this paper is to research the relationship between sand transporting and nylon net porosity and wind velocity.

通过对不同孔隙度尼龙网对风沙流减弱作用的风洞模拟实验,旨在探求输沙量与孔隙度和风速二者之间的关系,从而为防沙新材料的开发、野外工程防沙的优化设计及其应用提供理论依据。

During numerical simulation,the scale effects of the microstructure of the honeycomb on its structural mechanical performance was studied through changing the scale factor of its unit cell while the volume fraction of the materials remains unchanged.

数值模拟实验中,在材料组分比一定的情况下,通过缩放因子改变单胞尺寸,研究同种蜂窝微结构对结构力学性能影响的尺度效应;同时验证了不同多孔材料微结构构型对结构刚度的影响;在稳态温度载荷的作用下,热变形引起弯曲变形,利用微结构的构型差异和尺度效应共同作用实现结构最大挠度的控制。

Parameterized unit cell of 3-D five-directional braided composites;2. During numerical simulation,the scale effects of the microstructure of the honeycomb on its structural mechanical performance was studied through changing the scale factor of its unit cell while the volume fraction of the materials remains unchanged.

数值模拟实验中,在材料组分比一定的情况下,通过缩放因子改变单胞尺寸,研究同种蜂窝微结构对结构力学性能影响的尺度效应;同时验证了不同多孔材料微结构构型对结构刚度的影响;在稳态温度载荷的作用下,热变形引起弯曲变形,利用微结构的构型差异和尺度效应共同作用实现结构最大挠度的控制。

The experimental models of 330kV tank circuit breakers are established and four factors are studied respectively.

分别研究了六氟化硫气体压力、模拟实验的罐体大小、环境温度为20℃时六氟化硫气体的水分含量和断路器罐体内固体材料四个因素对环境温度与六氟化硫气体水分含量的关系的影响。

Considering the status quo of the training use of self-rescuer and the existing problems, we designed the self-rescuer simulation experiment system, which integrates sensors technology, information processing technology, wireless data communication technology and Internet technology.

针对目前自救器使用培训方面的现状以及存在的诸多问题,我们设计了一种集传感器技术、信息处理技术、无线数据通信技术和互联网技术的自救器模拟实验系统。

As a step towards such a perspective, Pattern formation in generalized cellular automata is studied in this paper, different dynamic behaviors are classified, a definition of edge of chaos is proposed, and experiments are described where self-making patterns emerge which reminiscent of simple living systems.

论文研究了一种离散空间的耦合细胞系统:广义细胞自动机的模式形成过程,对模式演化的动力学行为进行了分类,给出了一个混沌边缘定义,模拟实验显示了在混沌边缘区域类似简单生命系统的自组织模式的突现,同时研究了记忆对GCA动力学的影响。

Through methane simulation experiment on ignition and blasting due to seam roof rock friction in Qinshui Coal Mining District of Yangcheng, it is shown that sparks will be generated through friction while caving ,causing gas and water mixture to fire, it is big hidden sources which cause methane blasting accident in goaf.

通过对阳城沁水矿区煤层顶板岩石相互摩擦引燃引爆瓦斯模拟实验,得出&岩石在冒落过程中相互撞击摩擦产生火花,可能引起瓦斯与空气混合物着火,是造成采空区瓦斯爆炸事故引爆源&的结论。

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In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国,慢性酒精中毒,肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题,你可以随时联系我。

Very pretty, but the airport looks more fascinating The other party wisecracked.

很漂亮,不过停机坪更迷人。那人俏皮地答道。