查询词典 mass point

Main subjects include: Point 1: construct truth, give meaning, and typical phenomenon of mass culture: fashion, symbolization, authority and idolization; Point 2: communication and chain reaction, the transformation of social relationship in mass culture pattern.

主要议题包括：意义之一：构建真实，赋予意义，兼论大众文化的典型现象：流行，符号化，权威与偶像；意义之二：沟通与互动，兼论大众文化形态中人类社会关系的变化。

Water pond and inner plant space are inserted at the crossing point of lower level mass and upper level mass.

池塘水及内植物空间是插在较低的水平，质量和上层大规模的过境点

Therefore, the point of mass fire system and the role of the sensitivity of the first decision of its weapons systems in the status and role of the point of weapons of mass system of fire safety system design study has important military applications, the value and social significance.

所以，点传火系统的功能首发性和作用敏感性决定了它在武器系统中的地位和作用，对武器系统的点传火系统进行安全性设计研究具有重要的军事应用价值和社会意义。

Another point is that the future must be an explanation of the equivalence principle, means that we have to understand that the inertial mass and gravitational mass the same, what are the reasons!

还有一点就是将来必须对等效原理做出解释，意味着我们就要了解到惯性质量和引力质量相等的原因是什么！

In physics, if I want to move a mass from point A to point B, I apply force, and the mass moves as directed.

在物理学里，如果我要把一群人从A点移动到B点，我施加外力，人群按指定的方向移动。

Results The wire direction was 14~37° lateral and 18~39° cephalad for C(subscript 3~7) lateral mass when the K-wires drilled starting at the point 1 mm medial to the center of the lateral mass and exited at the juncture between the transverse process and the facet. The tips of K-wires did not injure the nerve roots and vertebral arteries. The depth of these wires in the lateral mass ranged from 9.4 to 14.8 mm.

结果 以C(下标 3~7)侧块背面中心内侧1mm处为入针点，克氏针向头侧成角18~39°、向外侧成角为14~37°，针尖可自横突与侧块相交处后方穿出，该处与神经根和椎动脉均隔以横突后结节。C(下标 3~7)侧块内进针深度为9.4~14.8mm。

Impact of composition upon the cold flow properties for biodiesel was investigated with gas chromatography-mass and cold filter plugging point tester based on the theories of molecular structure and crystal growth. Biodiesel may be considered a pseudobinary mixture consisting of components, with high-melting-point saturated fatty acid methyl esters and with low-melting-point unsaturated ones.

从分子结构出发，根据结晶理论，应用气质联用仪和低温性能测试仪研究生物柴油的组成对低温流动性的影响，为改善生物柴油的低温流动性提供理论指导，并提出生物柴油是伪二元混合物（高熔点的饱和脂肪酸甲酯和低熔点的不饱和脂肪酸甲酯）的观点。

In addition to complex anion crowd carried by organic functional group, there were many kinds of mass point like aluminum, silicon, zinc and rare earth elements et al in composite elastic material, and there were replaceable cation as well as anion; besides, all cation kept rather distant each other. It was not easy to crystalize in composite elastomer because of the block of organic molecule.

在复合弹性体材料中，除了存在有机官能团所带有的络阴离子群之外，还同时存在铝、硅、锌和稀土元素等多种质点；存在可以置换的阳离子和阴离子，并且各种阳离子都保持相当远距离；由于有机分子的阻挡，复合弹性体内不易析晶。

A device for determining molar mass with freezing point depression was improved, which consists of the Dewar bottle, sample container, Beckmann thermometer, arid motor stirrer, Before the experiment, the freezing point of the coolant was controlled about 2℃ below the freezing point of the sample solution by adjusting the composition of the coolant.

介绍一个改进的凝固点下降法测定摩尔质量实验装置，它由保温瓶、凝固点杯、贝克曼温度计、电动搅拌器等几部分构成。

In the process of building and using the mass concrete structures, because of the effect of out-side condition and themselves, some faults will form in the structure, these faults will effect the bearing capability and endurance Using nondestructive testing method to test the concrete"s quality and diagnose its healthy, which has the significant sense in assessing the safety stability and research of the administering diseasesThis dissertation mostly researched the testing methods in the mass concrete structure, discussed the principles, methods, features, sphere of application of the ultrasonic testing in the mass concrete structure with faults, used dynamic FEM to simulate the testing process, discussed when the concrete structure with cracks is under the effect of the pulse, how the elastic waves propagate and what are their changing feature, Researched the principles of the first-arriving waves" phase when the cracks" depths are not same, obtained the relation between the inversion point and the cracks" depth, which has the direction sense in the application of projects,The second part of this dissertation is CT , which used the ultrasonic wave running through the tested-substance to get arriving-time of the ultrasonic wave, then inverse the image This dissertation drawed one CT program which can well present the different little cells ultrasonic wave velocity profiles of the substance, thereby to diagnose the quality of the part of the tested-substance, CT has the better using foreground..

在混凝土结构的施工及使用过程中，由于受其自身及外界各种因素的影响，常常会产生一些缺陷，对结构物的承载能力和耐久性造成严重影响，采用无损检测技术进行质量检测和健康诊断，这对混凝土结构开展安全、稳定性评估以及病害隐患治理研究具有重要意义。本论文主要针对大体积混凝土结构缺陷的检测方法展开研究工作，重点讨论了超声波法检测混凝土结构裂缝的基本原理和方法及其特点、适用范围，运用动力有限元数值模拟其检测过程，探讨了有裂缝缺陷的混凝土结构在脉冲荷载作用下弹性波的传播及其变化特征，研究了不同裂缝深度下首波相位变化规律，得出了反转临界点与裂缝深度之间的关系，这对实际工程应用具有指导意义。声波CT是一种新的无损检测技术，它是利用声波穿透被检测体获取声波接收时间，来进行计算机反演成像的技术。本文利用直射线法编制了层析成像程序，能较好地呈现被检测物体各微小单元的声波速度分布图像，从而对检测体的质量状况作出诊断评估，具有较好的应用发展前景。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。