• CT扫描显示图像

    The image of the inferior oblique fissure can be showed by the CT scan.

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  • 日本天文学家知名星云之一的人马座星云,壮丽景观正是由气体尘埃云的碰撞造成的。

    Astronomers in Japan say one of the best-known nebulae-the Trifid, in the constellation sagittarius-owes its splendor to a smashup between two clouds of gas and dust.

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  • 雌性激素水平导致骨质疏松这种疾病导致骨骼容易骨折

    And lower estrogen levels can lead to osteoporosis, a disease in which your bones become brittle and more likely to break.

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  • 几乎可裂序列研究代数表示一个有力工具

    The almost split sequence is an important instrument in research of the representation theory for algebra.

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  • 防水保护层材料水泥砂浆复合玻纤组成长期有效控制防护产生

    Crack waterproof layer materials by crack cement mortar complex fiberglass nets composition, but the long-term effective control protection layer the creation of cracks.

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  • 塑性水泥以很好地解决水泥问题,它通过掺入强度纤维不仅增加水泥石的强度,而且改变水泥石的弹性

    Plastic cement solves cracking problem of cement sheath successfully. With high strength fiber added in, not only the strength, but also the flexibility is increased.

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  • 瓶颈引起产能急剧下降,滤失也井动态一定的负面影响

    The results indict that choked fracture and leak off of fracture fluid had a negative effect on well productivity.

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  • 加适量膨胀补偿混凝土收缩使混凝土结构达到较好的控制效果。

    Concrete expansion admixture can compensate concrete shrink-age so that the concrete structure can resist crack and penetration efficient-ly.

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  • 本文刻划包含投射几乎序列,给出投射模为首项中间几乎可裂序列的特性

    We describe the properties of the almost split sequence containing projective module as the first term and the middle term.

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  • 根据上述的基础理论研究,编制了气井生产过程支撑回流预测软件软件预测支撑剂发生回流临界气流速度临界气井产量

    Proppant back-production prediction software is also present in this paper, which can determine the critical gas flow rate and critical daily yield for proppant flowing back.

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  • 方法确定三维形状安全系数同时研究滑坡宽度效应

    The method given in the paper can be used to determine the sliding surface shape and the safety factor, and enables one to study width effects of the sliding collapse.

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  • 分析探讨铸铁电力金具铸造生产中,产生原因

    The Primary causes inducing the hot and cold cracks of electric power fitting products of malleable cast iron in casting process are analyzed and discussed.

    youdao

  • 锚杆作用增强结构力学性能降低尖端应力集中现象,提高纹尖端纹的起荷载

    The role of bolts is to improve the performance of the structural mass, weaken the stress intensity at the crack tips and increase the crack propagating loads.

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  • 发生引起果实品质下降导致种植者遭受巨大经济损失

    The occurrence of split-pit formation-the opening of the pit and sometimes splitting of fruit-causes deterioration of fruit quality, and results in enormous losses to grower.

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  • 玻璃纤维树脂结合性能加强多种化学品的腐蚀、抗撞击增强韧性承受重压、重载物行走。

    Combining glass fiber with resin, strong performance resistant to crack, resistant to various, chemicals, resistant to impact, strengthened toughness, able to bear heavy pressure and goods.

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  • 利用岩石时发出声波岩石中的传播原理准确测出形态方位延伸长度

    Making use of the principle that the sonic wave made by the rock open fracture spread in the rock, can accurately test the crack's appearance directions and extend length.

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  • 发明簇类化合物具有天然多糖相似医学用途完全取代天然产品用于制药保健品领域。

    The cluster compound of the present invention has similar medical application to natural Schizophyllary polysaccharide and may be used to replace natural product for medicine and health care product.

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  • 利用规律优化实际压设计油田油层改造提供理论依据。

    The mechanism can be applied to optimize the design of hydraulic fracturing and provide a theory reference for the alteration of thin and poor formations.

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  • 过程区分四个特征,相应表征稳态扩展的界限应力强度因子

    The fracture process can be separated into four characteristic regions. Correspondngly, there exist two threshold stress intensity factors both for crack initiation and f

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  • 过程区分四个特征,相应表征和稳态纹扩展界限应力强度因子

    The fracture process can be separated into four characteristic regions. Correspondngly, there exist two threshold stress intensity factors both for crack init

    youdao

  • 利用此规律优化实际设计油田差油层改造提供理论依据。

    The mechanism can be applied to optimize the design of hydraulic fracturing and provide a theory reference for the alteration of thin an...

    youdao

  • 利用此规律优化实际设计油田差油层改造提供理论依据。

    The mechanism can be applied to optimize the design of hydraulic fracturing and provide a theory reference for the alteration of thin an...

    youdao

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