1、

Optimal Thickness Analysis of the Air Heat Insulation Layer Embedded in a Concrete Oil Tank

砼储油罐空气隔热层的最佳厚度分析

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In this paper, the theories of elastic plastic mechanics and the finite deformation geometry are applied to study the question of surface displacement mechanism and displacement computation by mining below thick alluvia. It has an important guidance for controlling coal mining damage.

本文应用弹塑性力学理论及有限力学变形理论,研究了厚冲积层下开采地表移动的机理与移动量计算问题,对有效地控制地下开采损害具有重大指导作用。

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Analysis of surface displacement by mining below thick alluvia

厚冲积层下开采地表移动分析

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Surface movement influenced by mining below thick alluvia and thin bedrocks

厚冲积层薄基岩下采煤地表移动变形规律

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It is shown that the wave scattering by a layered canyon is essentially different with that by a simple canyon, and that the existence of the alluvia, even if very thin, can greatly reduce the barrier effect of the canyon.

结果表明,层状凹陷地形对平面SH波的散射和单一凹陷地形差别很大,凹陷地形表面松软沉积的存在,即使厚度很薄,也会大大降低凹陷地形本身对入射波的屏障作用;

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The cows were scanned in the 30th day after fertilization, thickening of uterine wall, allantois, embryo and placentome were revealed in the ultrasonography, and the heartbeat of embryo had not been detected.

本试验对妊娠30d左右的母牛的探查可以看到增厚的子宫壁、尿囊腔、胚胎、胎盘突等回声,没有观察到胚心搏动。

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Parameter Optimization Design of Bolster Plate of Multi-link Press based on AlGOR

基于ALGOR的多连杆压力机工作台台板厚度参数优化设计

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12、

Surrounded by snow and ice, an Aleut hunter slices slabs of raw whale blubber for dinner.

在冰天雪地的极地,爱斯基摩人的晚餐是切成厚片的鲸的生肉。

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Airborne noise can be blocked by barriers ( walls, thick glass) or reduced by absorbers, such as foam insulators.

空降噪音可阻断障碍(墙,厚玻璃)或减少吸收剂,如泡沫绝缘体。

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Research on the Thickness of the Adsorbed Water on the Cement surface

水泥表面吸附水层厚度的研究

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While the aculeate partiality is the despoliation to the unknown field, the further evolution to the profound integration.

尖锐的偏见,是对未知领域的开拓,是对深厚综合的进一步发展。

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16、

The stress and strain distributions in the gluing joint are considerably influenced by some factors such as the geometry of the adherend, the lap length and the adhesive thickness etc.

胶接接头中应力应变分布的具体情况取决于被粘物的几何尺寸、搭接长度以及胶层厚度等因素。

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17、

The strength decreases with the shorter distance between the clamps, increases with the increasing of the adherend thickness, but the increase is not unlimited.

另外,胶结强度随夹具之间的距离变短而降低,随被粘物厚度的增大而增大。

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It is clear that increases adherend thickness or Poisson ratio as well as decreases the elastic modulus may decrease the peck value of Von Mises equivalent stress.

分析可知:高的泊松比、低弹性模量和被粘物厚的增大会使得VON MISES等效应力值显著降低。

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19、

It is pointed out that when designing tool heads, the adjustment of diamond mixture ratios should be stressed to properly balance the maximum cutting depth and cutting force.

设计刀头时,应着重考虑通过调整金刚石配比,获得最大切屑厚度和切削力间的合理平衡。

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It is concluded that the high dip fracture systems and the aggressive allogenic water are two major control factors for the development of the Stone Forest to form dramatic and spectacular landscape.

质纯层厚的碳酸盐岩高角度裂隙系统和盖层所提供的强侵蚀性裂隙水是石林的形成过程中两个极其重要的因素。

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