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Along the Daqingshan Piedmont Fault exist typical tectonic landforms, which are fault scarp, 3 orders of piedmont terrace, 5 orders of river terrace and 3 orders of alluvial fan, all carefully dated and measured. All these landforms display the intense vertical movement of this fault.

沿大青山山前断裂发育典型的构造地貌,计有夷平面、3级山前台地、5级河流阶地和3期洪积扇,基岩断层崖和全新世断层陡坎分布广泛,标志着断裂强烈的垂直差异性升降运动和间歇性活动的特点。

Glass fibers increase the impact toughness of brittle matrix, but reduce the impact toughness of ductile matrix.

复合材料的断裂破坏机理也因界面粘合的差异而不同,而表现出不同的断裂形貌。

According to the theories of dynamics of explosive and rock fracture mechanics, initiation mechanism of kerf, and initiation of crack in its tip and its expansion of orientation fracture blasing with slit-charge in rock were studied, then the blasting, parameters were designed and tested by model test in laboratory.

以爆炸力学、岩石断裂力学理论为原理,对切缝药包在岩石定向断裂爆破中的切缝产生及裂纹起裂和扩展进行了一定的研究,同时对该法的爆破参数进行了设计,并在实验室进行模型试验验证其正确性。

The fracture zones are characterized by rela-tive levorotation,shove and compression,but the distribution of strike slip is inhomoge-neous.

断裂活动的不均一性与平面最大剪应力分布不均匀成正相关,且各断裂均以相对左旋走滑兼挤压为特征,但是其走滑量的分布是不均匀的。

And metallography analysis system was adopted to test the crystalline phase content.

用直接压痕法测量烧结样品的断裂韧性,运用金相图像分析系统进行晶相含量的测定,重点研究粉体粒度和晶相含量对长石瓷断裂韧性的影响。

The results showed that for 2Y-TZP materials, because of low stabilizer content and small critical transformation size, more tetragonal zirconia could change into monoclinal, better effect of transformation toughening operated, hence higher fracture toughness was obtained.

晶粒尺寸、稳定剂含量对氧化锆陶瓷相变增韧效果具有重要的影响。2Y-TZP材料由于稳定剂含量低,临界相变尺寸也小,在低温烧结条件得到细晶粒情况下,断裂过程中有更多的晶粒达到或超过临界相变尺寸,因而具有更高的断裂韧性。

The results have showed that elongation at break, elastic recovery percentage of elongation, pliability, pendency, frictional resistance and moisture absorption of modified flax fabric are prefer to the flax fabric without REF treatment.

但是改性亚麻织物的断裂强力比普通织物差,而且随着改性程度的增大断裂强力呈下降趋势;另外改性亚麻织物的通透性比普通亚麻织物稍差。

First observation of the essential oil of UVA (320-400nm) absorption, taking nine more before the absorption of essential oils and nine of the past record or doubt further analysis of essential oils, UVA nine large oil absorption of the former are: cinnamon, pheasant pepper, sweet orange, lemon, basil, grapefruit, bluegrass rock, roses, dill, 9 kinds of essential oils may be phototoxic as follows: orange blossom, bergamot, fennel, lemon grass, red mandarin, citronella oil, ginger oil, Australia sandalwood oil, lime; E.

首先观察精油的UVA(320-400nm)吸收度,取前九名有较大吸收之精油及九种过往记载或存疑之精油进一步分析,UVA较大吸收度之前九名精油分别为:肉桂、山鸡椒、甜橙、柠檬、罗勒、葡萄柚、岩兰草、玫瑰、莳萝,九种可能光毒精油为:橙花、佛手柑、茴香、柠檬草、红柑、香茅油、姜油、澳洲檀香油、莱姆;大肠杆菌抑菌圈变化中,柠檬、红柑及葡萄柚精油有明显的扩大现象;pUC119 DNA电泳结果,不同精油於电泳模式中,随UVA照光能量增加产生不等断裂情形,除玫瑰精油无影响,其余精油在UVA照光能量增加下皆有不等的DNA断裂情形发生,须再进一步试验。

By applying in seven spot, the directional control blasting technology by using slotted cartridgc has been confirmed that can increase the distance of hole in perimeter 50% on present basic, the ratio of half hole scar to 85%~95%, and the utilization ratlo of shot hole 10%.

通过在山东、山西、安徽、河南等省的七个矿区现场应用,证实了采用切缝药包定向断裂控制爆破技术,可使周边眼间距在现有基础上增加50%以上,周边眼的炸药单耗降低30~50%;循环炮眼数减少15~25%;炮眼利用率提高了10%以上;半眼痕率提高到85~95%;周边不平整度小于100mm,这一指标是目前国内外岩巷生产中最佳指标;每米岩巷掘进成本可降低200元以上,展现了定向断裂爆破技术广阔的应用前景。

The examples given have proved the advantage of the Boundary Element Method. In the analysis of the fracture mechanics using Boundary Element Method, the calculation model of one-quarter singular element has been established, and has been proved its validity.

把边界元法应用于线弹性结构断裂分析中,建立了裂尖奇异区分析的四分之一奇异元计算模型,算例表明,用四分之一奇异元分析断裂力学问题是一种有效的逼近裂尖场的数值方法。

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