crack的例句大全

The sandwich sandstone with weak interlayer such as thin coal bed, together with bedding plane and joint crack, can form unstable blocks, which threat the engineering safety.

研究部位岩体为层状砂岩，含有软弱夹层，其显著特点是该砂岩的岩组中含有薄煤层，与层理、节理裂隙等的组合易形成不稳定块体，对工程安全造成危害。

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According to the law of crack development and mechanical index correlation analysis results, use the maximum bending force, shearing force and fracture energy as the main mechanical parameters, put forward the test design method.

基于裂缝动态发展规律与力学指标关联度分析结果，以最大弯曲力、层间剪切力和断裂能作为主要设计参数指标，提出配合比设计的试验方法。

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The Effect of Biaxial Load in the Sheet with an Inclined Crack

斜裂纹板的双向载荷效应

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Although the bituminous pavement of cement stable sandy foot layer has good effect in most engineering, it has partial craze of pavement, even with net-shaped crack distortion and structural destruction, which not only shorten the using age of road but also bring hidden trouble for safety.

水泥稳定砂砾基层沥青路面虽然在大部分工程使用中效果不错，但仍有局部路面开裂的问题，甚至发生网裂变形和结构性破坏，从而缩短了道路的使用寿命，也给行车安全带来隐患。

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In virtue of the wave solution of plastic dynamic response of plate and the dynamic fracture theory, the critical blasting charge was derived theoretically when onset of initial circumferential crack namely critical damage happened in thin plate subjected to explosions.

应用塑性动力响应波动解及动态断裂理论，从理论上推导了薄钢板在爆炸冲击载荷作用下产生初始环向裂纹即发生临界破坏时的装药量，并得出板的临界位移理论表达式。

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If the hydrogen blistering is large enough, the shear crack will initiate at early growing stage of shear band, resulting in brittle fracture under low stress.

如存在较大的氢鼓泡，则当剪切带尚未充分发展时微裂纹就形核，导致低应力脆断。

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Typical Accident of Rear Tube Plate Crack of the Horizontal Packaged Boiler

典型的卧式快装锅炉后管板裂纹事故

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Fatigue Failure Study on the Crack of Truck Bolster of Freight Car

铁路货车摇枕断裂疲劳失效分析研究

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Effect of Temperature on Crack Branching in Soda-Lime Glass Plates Subjected to Biaxial Flexure

温度对钠钙玻璃板在双向弯曲试验中裂纹分叉的影响

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Consequently, at the macroscopic crack branching velocity, the experimental fracture surface energy and the fracture surface roughness; have no single value in such materials.

因此，对这种材料在宏观裂纹分叉速度时，实验断裂表面能及断裂表面韧性没有单一值。

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The micro cracks in matrix propagate along the bainitic ferrite austenite interface. The crack deflection or branching is occurred due to the different orientation of bainitic ferrite.

基体中的裂纹多数是沿贝氏体铁素体-奥氏体界面扩展，不同取向的基体组织可使裂纹偏转或分叉；

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It is found that intragranular structure is formed, and the tortuous routes of crack propagation and the branching, deflecting and bridging are also observed on the fracture surface.

通过对其断口的观察，发现形成了晶内型结构，并观察到了裂纹曲折的扩展路径以及裂纹的分叉、偏转、桥联，这些有助于材料强度和韧性提高的现象。

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FINITE ELEMENT CALCULATION AND ANALYSIS OF RIBBED SLAB CRACK FOR BLOWER CASING Application of Frequency Conversion Variable Speed Technology on Roots Blower for Mechanical Shaft Kiln

风机壳体筋板开裂原因分析与有限元计算变频调速技术在机立窑罗茨风机上的应用

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The crack arrest effect in a thin current-carrying plate under the action of a stepped ascending current

阶跃递增电流作用下导电薄板中的裂纹止裂效应

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Simulation of the Electromagnetic Stress on the Crack Tip in Metal Carrying Current

载流金属材料裂纹尖端电磁应力的数值模拟

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Large quantity of rejected products involving edge crack and strip breakage are prone to occur in hot and cold rolling of the oriented silicon steel sheets due to high brittleness of the steel caused by its high silicon content.

取向硅钢含硅量高，钢质脆性大，在热轧和冷轧过程中容易产生大量边裂及断带轧废。

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It can be concluded that the crack of skin is the macroscopic breakage form of grape and the maximal tensile stress is the main factor causing the mechanical damage of grape through comparing the model calculation with the experimental results.

经模型计算与试验结果相比较，得出表皮破裂是葡萄宏观破坏的主要形式，最大拉应力是造成葡萄机械损伤的主要原因。

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The results showed that the bridging effect of interlaminar short fibers can effectively reduce the stress concentration and crack-tip energy release rate, thus toughening significantly the short fibers.

结果表明：层间短纤维的桥联作用有效地降低了层间应力集中程度和裂尖能量释放率，增韧效果明显。

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Steel fiber is often used to reinforce cemented materials because it can provide bridging effect of crack in matrix.

钢纤维因其能为基体裂纹提供桥联而经常被用于增强水泥基材料。

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The bridging and pulling-out effect of the flake C p and particularly the microcracking and crack deflection from the C p are regarded as the principal reason for the pseudo-plastic behavior of material and toughening mechanisms.

片状石墨粒子的桥接、拔出、尤其是诱导裂纹偏转和诱发微裂纹，是材料及韧化显现伪塑性的主要原因。

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