The Optimization Experiment on Face-sheet Concrete Mix Proportion of the Gaotang Reservoir

1、

Then the ply angle effect of composite face sheet on buckling was discussed. The result getting from this paper was compared with the result getting from the conventional modeling method.

最后讨论了当夹层板面板为复合材料时，铺层角度对屈曲载荷的影响，并与常规建模方式进行了对比。

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2、

Limited by model scale sandwich panel is usually modeled using shell element during finite element buckling analysis. This approach ignores the interactions of the face sheet and the core in the thickness direction and can not calculate the wrinkling modes.

由于模型规模的限制，在常规有限元建模时通常将夹层板模拟为二维板单元，这种方法忽略了面板和夹芯在厚度方向的相互作用，无法计算出皱曲模式。

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3、

Anti-blasting Performance of Aluminum Foam Sandwich Beam with Stainless Steel Face Sheet and with Aluminum Face Sheet

不锈钢面板与铝面板泡沫铝夹芯梁的抗爆性能

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4、

Methods A retrospective study was made on the clinical progress and therapy of 84 patients with DASO from 1995 to 2003 and the therapeutic efficacy was evaluated.

方法回顾性分析了1995～2003年我院收治的84例DASO患者的临床诊治经过，评价PGE1的治疗效果。

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5、

Give a person the glad eye Safety requirement: Hardhats, Safety Glasses, Dust Mask, Face Shield, Ear Muff, and etc.

向某人送秋波[抛媚眼]必须佩戴下列个人防护用品：安全帽、安全眼镜、面罩、防尘面罩、护耳器等。

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6、

Numerical analysis of the instability of excavation face in shield construction

盾构施工中开挖面失稳数值分析

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7、

Analysis of Research Methods for Face Stability at Shield Tunneling

隧道盾构法施工开挖面稳定性研究方法评析

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8、

Wear loose-fitting leather gloves, face shield, safety glasses, and long-sleeved shirt or jacket when connecting, disconnecting, or opening cylinders, or whenever the possibility for exposure exists.

当连接、断开或开启钢瓶时，或者在任何存在暴露的可能性的时候，要穿戴宽松的皮手套、面罩、安全眼镜和长袖衬衣或夹克。

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9、

The influence of face shield involves its connection with soil nailing and its stiffness on soil nailing wall;

面层主要通过面层与土钉的连接和面层的本身刚度两个方面对土钉内力和墙体变形产生影响；

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10、

A study on the limit support pressure at excavation face of shield tunneling

盾构法隧道开挖面极限支护压力研究

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11、

The face shield of life jacket can be matched with a plurality of existing face bare type survival suit.

救生服面罩可以与现有的各种面部裸露式救生服配套使用。

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12、

Loading Method of Test for Double-circular Face Shield-Tunnel Lining

双圆盾构法隧道衬砌1∶1结构试验加载方法研究

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13、

The aim of the utility model is to make the installation structure of a driver's seat simplified and increase the switching operability of a front face shield.

本实用新型的目的是使驾驶座的安装构造简单化，提高前面罩的开闭操作性。

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14、

Ways to Improve Unit Productivity in Working Face with Flexible Shield Support

提高柔性掩护支架采煤面单产的途径

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15、

The technician who worked with the samples wore gloves and a gown, but no face shield, and may have been exposed.

经手这些样本的那名技术人员戴了手套，穿了大褂，但没有戴面罩，因此可能接触到了病毒。

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16、

Study on the Face Stability of Shield Tunnel with Large Diameter

大直径盾构正面稳定性研究

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17、

The connection between face shield and soil nailing determines the distribution of the axial force along length;

土钉和面层的连接方式决定着土钉长度方向上的轴力分布形态；

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18、

Safety and high efficient coal mining technology for coal mining face with shield supports

掩护支架工作面安全高效开采技术

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19、

The experiment has adopted INV303/ 306 fictitious instrument system and DASP mode analysis software, knowing the modal damping, modal rigidity, mode quality of the system. Have set up the vibration mechanics model in the tomato transportation of seven freedom degrees.

实验采用了INV303／306虚拟仪器系统和DASP模态分析软件，辩识系统的模态阻尼，模态刚度，模态质量等参数，建立了七自由度的番茄运输中的振动力学模型。

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20、

With analysis of professional software DASP, natural vibration frequency ( period)、 vibration mode and damping ratio of model structure with not sealing top and sealing top are obtained, and then analyze the the change rule of the dynamic characteristics after the two tests. 3.

利用专业软件DASP分析试验结果，得到模型结构在未封顶、封顶两种情况下的自振频率（周期）、振型和阻尼比，进而分析出两次试验后动力特性的变化规律。

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