查询词典 compressive

This series of bit is suitable for drilling medium hard to hard formations with high compressive strength and medium abrasiveness.

适合在中硬至硬的高抗压强、中等研磨性的地层中使用。

To explore the therapy for posterior acetabular fracture with compressive articular surface of the acetabulum.

探讨治疗髋臼骨折合并髋臼关节面压缩缺损的手术方法与措施。

Rock mechanics ; acid fracturing ; compressive strength ; limestone

岩石力学；酸压；抗压强度；灰岩

Based on indoor measurement of rock acoustic velocity,drillability, rigidity ,uniaxial compressive strength,the relationship between acoustic velocity and fragmentation parameters of rocks and that between the surface acoustic velocity and the underground mine logging acoustic velocity were explored by regression analysis.

在室内测定岩石声波速度、可钻性、硬度、单轴抗压强度试验的基础上，利用回归分析方法，探索声波速度与岩石机械破碎性能参数之间、地面声波速度与井下测井声波速度之间相关关系，建立了利用测井声波速度预测地层岩石机械破碎性能参数的数学模型，介绍了预测剖面及资料验证结果，并将这一方法用于计算PDC钻头可钻性以及中国南方海相碳酸盐岩地层的岩石力学参数。

This research wants to understand for slag additament to restrain of ocean-sand concrete shall be getting worse. To separate river-sand and ocean-sand made fine aggregate, by means of slag additament be able to substitute for cement 20%~40%, and be able to set W/C=0.385、0.485 and 0.585 to make compressive、tensile and bending motor test sample, and shall be curing 3、7、28 and 56 days to search for relation of slag be able to substitute for cement、W/C、curing time and strength.

本研究为了解炉石抑制海砂混凝土材料恶化之效应，乃分别以河砂及海砂做为细骨材，以炉石替代水泥量，分别为20%~80%，并设定水灰比为0.385、0.485及0.585制作抗压、抗拉及抗弯水泥砂浆试体，并养治3天、7天、28天及56天探讨其炉石替代量、水灰比、养治龄期与强度间的关系。

Effect of diamond grits as an additive on Ni-Al SHS reaction process was studied. The morphology of reaction products as well as the surface morphologies and the compressive strength of diamond after reaction were investigated.

本研究主要针对Ni-Al自蔓延反应燃烧过程和加入金刚石磨料后的变化，其反应产物的微观形貌，以及SHS反应后金刚石的表面特征及强度的变化进行的探讨。

Geothermal gradients of the basins in the eastern of Algin Rift were higher than those of the basins in western of Algin Rift in Late Mesozoic,and tectonic activities were stronger,indicating a strong regional tectonic thermal event.The basins on the western of Algin Rift were all compressive depressions,their geothermal gradients were lower.

中生代晚期阿尔金断裂以东沉积盆地地温梯度普遍高于阿尔金断裂以西沉积盆地，构造活动性强，强烈的构造运动引发了岩浆活动及地壳深部热活动，表明存在一期强烈的具有区域规模的构造热事件；阿尔金断裂以西为挤压坳陷型盆地，地温梯度普遍较低。

Due to we use high quality aluminous material which has high compressive rigidity and corrosion resistance, so it can be used for walls, floors, shower room and etc.

由于我们用的是高品质的铝材料，有着很强的抗压力和耐腐蚀性，所以它可以被用于墙面，地面，淋浴房，等等。

Experimental results show that,when calcined gypsum and calcined alunite were added by 5% alone or synchronously,the setting time of cement decreases remarkably and 3d compressive strength at different temperatures increases remarkably.

试验结果表明，烧石膏和烧明矾石单掺和复合双掺的掺入量为5%时，水泥的凝结时间明显缩短，3d耐压强度在各温度下均有显著提高。

Results show that:(1) For each particle size of andalusite, variation tendency of the properties of the material is generally the same: the maximum of bulk density, compressive strength and rupture strength appears in the range of 5%-10% content of fiber, these properties of the material remarkably decrease as the fiber content exceed 10%; while at the same fiber content, the properties of the material increase with the increase of firing temperature.

结果表明：(1)对于不同粒度的原料，性能变化规律大致相同：在同一烧成温度下，体积密度、常温耐压强度、常温抗折强度在5％～10％之间出现峰值，加入量超过10％之后材料的性能明显下降；在相同的纤维含量下，随着烧成温度的提高，试样的各项性能均有所上升。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。