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Because there is no standard of fracture mechanics experiment for rocks, before applying the new method to study anti-plane shear crack, testing experiments had been carried out by using it on universal testing machine Instron 1185 to measure the values of Kic and Kiiic for rocks (Black Gabbro, Carrara Marble, Tennessee Sandstone), which had been obtained by using other experiment methods and technology before.
因为对于岩石还没有相应的断裂力学实验规范。因此在把本装置用于岩石反平面剪切裂纹研究之前,先用它对已经用其它技术测定了断裂力学常数,K〓,的岩石(Black Gabbro,Carrara Marble,Tennessee Sandstone)在Instron 1185万能试研机上用该装置进行了相应的K〓,K〓等测定。
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Chimney produces the air pressure. The wind pressure-staged turbine produces electricity. The experimental application of the prototype of 50kW proved that the solar chimney power plant can be built in reasonable price, and runs in very low expense.
用太阳能温室加热空气;用烟囱产生驱动风力涡轮机的压力;用风力涡轮机发电。50kW小规模太阳能烟囱发电站的建造及试运行表明,其建造成本在可以接受范围内,运行费用非常低。
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Measured the basic physical parameters of unsaturated soils in Three Gorges Reservoir area; 2 measured the initial sample matric suction using the unsaturated triaxial testing system, which can be used to evaluate the unsaturated soil strength and stress; 3 the drying and moisture absorption experiments were executed using the Tempe apparatus, and got the Soil-Water Characteristic Curve, permeability coefficients of every stress level were simulated according to the parameters from the SWCC; 4 the unsaturated soil strength tests were carried out using the GDS triaxial testing system, then got the Mohr circle and shear strength parameters; the results from different stress paths were compared; meanwhile, the axial strain-stress ratio-volume strain curve of different matric suction and different radial pressure was got, as well as their relationship; The research, which provided the necessary data and reference for Three Gorges Reservoir area geologic disaster, is the basic component of Three Gorges Reservoir geologic disaster prevention and research, and experimental results will be used directly in the project.
1量测了三峡库区非饱和土的基本物性参数; 2用非饱和土三轴试验仪量测了试样的初始基质吸力,为评估非饱和土的强度和应力水平提供参考; 3用Tempe仪和体积压力板仪进行了非饱和土的干燥和吸湿试验,得到了土-水特征曲线,并根据其参数拟合出各级吸力状态下对应的渗透系数; 4用GDS三轴仪进行了强度试验,得到了Mohr圆和抗剪强度参数;并比较分析了不同应力路径下试验结果;同时得到不同吸力和不同围压下轴向应变-应力比-体应变的关系曲线和其相互关系。该研究是三峡库区地质灾害防治研究工作的基础性工作,其结果将直接应用到工程实际中,为三峡库区地质灾害提供必要的数据和参考。
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You can dust with a dry cloth will be removed, and then dip a cloth cleaner dip erased some stubborn stains, then brush lightly with a variety of interface刷掉surface of the rear chassis of the dust can be.
大家可以先用干布将浮尘清除掉,然后用沾了清洗剂的布蘸水将一些顽渍擦掉,然后用毛刷轻轻刷掉机箱后部各种接口表层的灰尘即可。
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It should be noted: 1, without a doctors permission not to scribble pediatric medicine, such as improper use will increase eczema. 2, eczema parts washing is unavailable, in particular, should not use hot water and soap can be used to disinfect the vegetable oil or paraffin oil cloth. 3, to avoid the baby scratch, may be wearing gloves. 4, to avoid contact with chemical fiber, silk, wool and other clothing. 5, diet, try and get "allergy source", if the suspected milk allergy, milk can be cooked some more time; if it is on protein allergy can be a single fresh egg yolk; breast-feeding mothers do not吃蛋, shrimp, crab and other food; but have to eat with vegetable oil (sesame oil, soybean oil, peanut oil, sunflower oil) rich in food, due to unsaturated fatty acids reach the baby through the milk of the body to prevent capillary fragility and permeability-increasing, and this is is the infant occurred in the pathological basis of eczema. 6, if necessary, intravenous 10% calcium gluconate.
应注意:1、未经医生许可,勿给小儿乱涂药,如用之不当,会使湿疹加重。2、湿疹部位不可用水洗,特别不能用热水和肥皂,可以用消毒的植物油或石腊油擦拭。3、避免婴儿搔抓,可戴手套。4、避免接触化纤、丝、毛织品等衣物。5、饮食方面,尽量找出&过敏源&,如果怀疑牛奶过敏,可把牛奶多煮一些时间;如果是对蛋白过敏,可单食蛋黄;喂母乳的母亲暂时不要吃蛋、虾、蟹等食物;但要多吃些含植物油(麻油、豆油、花生油、葵花籽油)丰富的食物,因不饱和脂肪酸通过乳汁到达婴儿体内,可防止毛细血管脆性和通透性增加,而这正是婴儿发生湿疹的病理基础。6、必要时静脉注射10%葡萄糖酸钙。
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You can replace the coconut on top of the cake with a crown of berries, or use both coconut and berries.
你可以用新鲜浆果替代椰丝或既用新鲜浆果又用椰丝。
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It features ultra-low noise import pulp Senate carbon fiber, rigid speaker cone greatly strengthened, the effective bandwidth within a more flat frequency response, the unit used aluminum frame and aluminum wire voice coil. Shaker skeleton of the United States military material, light weight, high efficiency, so that the audio sound pressure increased significantly.
超低音單元採用進口紙漿參碳纖維,紙盆剛性大大加強,在有效的頻寬內有更平坦的頻率回應,單元採用鋁盆架和鋁扁線音圈,音圈骨架為美國軍事物料製造,品質輕,效率高,使音頻的聲壓大幅度提高,更具爆發力,靈敏度極高,低音磁路採用高效率的冷卻系統,保證了。
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MACT uses an improved cone tree as the metaphor of network topology. Real time traffic between every two directly connected nodes are represented with animated color lines, and the shade of each line's color is determined by the data rate through the line.
MACT用改进的Cone tree作为网络拓扑隐喻,用不同颜色的动态模式变换线,表示任意两个相连节点之间的实时数据流(颜色表示数据流速,模式变换的方向表示数据流向),用始于一个节点的两种颜色的圆柱,表示流入和流出该节点的数据总量。
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Cage shaped rotor includes following parts: columnar rotor core made from soft magnetic material, multiple bar conductors made from copper inserted into rotor core along up and down direction, short circuit rings made from copper installed on upper and lower ends of rotor core in order to realize electrical connection among each bar conductor. Preparation method includes steps: in step for preparing short circuit ring assemblies, bar conductors are installed between short circuit rings in upper part and lower part to keep electrical connection between short circuit rings in upper part and lower part; in step for forming columnar rotor core, pressurization molding soft magnetic material is carried out when short circuit rings module is in die so as to form rotor core, where bar conductors are inside and short circuit rings are in upper and lower ends.
一种电动机的笼子状的转子及其制造方法,电动机的笼子状的转子包括转子铁芯,用软质磁性材料制成,呈圆筒状;多个导体棒沿上下方向插在转子铁芯的外圈,用铜制成;短路环为能够与各导体棒实现电连接,分别安装在转子铁芯的上、下端,并用铜制成;其制造方法,即制作短路环组件的阶段,在这个阶段中在用铜制成的上部短路环与下部短路环之间安装铜质的导体棒,从而形成短路环组件,这些导体棒相距一定间隔,与上、下短路环保持电连接;形成圆筒形转子铁芯的阶段,在这个阶段中把短路环组件放在模具内,并用软质磁性材料进行加压成型加工,从而形成导体棒位于其内部、短路环位于其上、下两端的转子铁芯。
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The experiment result shows that if Iron in the pickle of copper-smelting smoke ash is removed by Oxygen or oxidation combined with Hydrogen peroxide, Iron removing rate is 90%.
常用除铁方法主要有 [1 ,2 ] :(1 )直接鼓风氧化生成针铁矿的形式除铁;(2 )用生成磷酸盐沉淀的方法除铁;(3 )用黄钾铁矾法除铁;(4)用过氧化氢氧化除铁;(5 )采用溶剂萃取法分离铁。
- 推荐网络例句
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Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.
最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势,并设计了一款彩色夜视摄像机。
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Only person height weeds and the fierce looks stone idles were there.
只有半人深的荒草和龇牙咧嘴的神像。
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This dramatic range, steeper than the Himalayas, is the upturned rim of the eastern edge of Tibet, a plateau that has risen to 5 km in response to the slow but un stoppable collision of India with Asia that began about 55 million years ago and which continues unabated today.
这一引人注目的地域范围,比喜马拉雅山更加陡峭,是处于西藏东部边缘的朝上翻的边框地带。响应启始于约5500万年前的、缓慢的但却不可阻挡的印度与亚洲地壳板块碰撞,高原已上升至五千米,这种碰撞持续至今,毫无衰退。