Results Pit and fissure filling has effectively prevented the further development of caries. In test group no case developed intermediate caries from superficial caries. On the other hand the proportion of the intermediate caries in control group was 32.94%.

The influence of fissure filling was considered in the interface model to simulate the opening increase of cracks.

在接触面模型中考虑裂缝填充物的影响，模拟填充物引起的裂缝开度逐年递增；

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Finally, some problems needed for further study are put forward, including the regularity of fissure deformation and fracture under shear loads, the influences of shear loads on fissure permeability under different normal loads, constitutive relationship of fissured rock mass, etc.

指出了需要进一步研究的问题：剪切荷载作用下裂隙变形和破坏规律；不同法向荷载作用下剪切荷载对裂隙渗透性的影响；

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Rock mass is discontinuous because of the movement and development of the crust. The joint, fissure, fault fracture are the typical modes of this discontinuation.

岩体介质由于地壳的不断运动、发展，呈现出显著的不连续性，存在大量的节理、裂隙等不连续界面。

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Through grouting experiments in a single fissure and fracture networks, the basic law controlling the grouting seepage through rock mass is analyzed, and the factors which may affect the process are also discussed.

通过单一裂隙岩体和裂隙网络岩体注浆渗流模拟实验，分析和总结了裂隙岩体注浆渗流中的一般规律，并讨论了影响注浆渗流工程的各种因素。

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The mechanical property of N80 steel has increased obviously after adding corrosion inhibitor, where the ductility of N80 steel increased, and crack fissure of fracture surface decrease.

添加缓蚀剂后使N80试样的韧性有明显的增加，断口裂纹缝隙明显减小，力学性能有了明显的提高。

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Opening point, opening angle and maximal tangential stress on ellipse edge are presented under uniaxial compression, biaxial compression and uniaxial compression with fissure water pressure respectively.

分别给出了单向压力、双向压力、单向压力与裂隙水压力共同作用3种情况下椭圆边缘开裂点的位置、开裂方向和最大切向拉应力值。

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In addition, we also found one case of rare variants of the lateral fissure vein, 1 ( 1%). 2.

除此之外，我们还发现1种罕见变异类型的外侧裂静脉，占1%。

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Observe the shape, number, distribution and classification of the lateral fissure vein in the operations, and measure the related data.

术中观察外侧裂静脉的形态、数目、分布及分型，并测量相关数据。

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The skarn wolfram deposits are formed in granite contact zone and crack of stratum. The porphyry and quartz vein molybdenum deposits are formed in porphyritic granite bodies and fissure vein.

小柳沟矿区有着三（多）位一体的成矿系列，岩体外接触带和地层层间裂隙形成以夕卡岩型为主的白钨矿，岩体内部及岩体顶部形成斑岩型和石英脉型钼矿。

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In exposed rock areas and worked out mines, structure rock fissure survey and vein rock survey can be employed to trace deep blind orebodies.

在岩石裸露区和已开采的矿山采用构造岩石裂隙测量和脉岩测量追踪深部盲矿；

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Prevention and treatment of asphalt pavement desiccation fissure

沥青路面干缩裂缝的预防与处理

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The Polyester Fiber Prevents the Concrete Road Surface Temperature Crack and the Desiccation Fissure Effectively

聚酯纤维有效防止混凝土道面温度裂缝和干缩裂缝

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Application of Chemical grouting in leakage-prevention of fine fissure in deep well in west ventilation mine of Xinglong-zhuang coal mine

化学注浆在兴隆庄煤矿西风井深井井筒微裂隙防渗中的应用

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Using radiometric dating methods, Sugden determined that the ash settled into the fissure after a volcanic eruption 8.1 million years ago.

用辐射测量鉴定年代的方法，萨格登测定那些灰烬是810万年前火山爆发后沉积在石缝中的。

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The island is huge fissure eruption of adjacent formation volcanic island.

各岛是从洋底巨大裂隙喷发形成的火山岛。

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Materials and Methods CT and MRI findings of 7 patients with choroid fissure cysts were analyzed retrospectively.

资料与方法结合文献对7例脉络膜裂囊肿的CT和MRI表现进行回顾性分析。

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( Conclusion MRI) is important in diagnosing choroid fissure cysts and differentiating from other diseases.

结论MRI是诊断脉络膜裂囊肿并与其他病变鉴别的重要依据，对于指导临床有重要意义。

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MRI diagnosis of choroid fissure cysts of the brain

脑脉络膜裂囊肿的MRI诊断

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Imaging Features of Choroid Fissure and Diagnosis of its Neuroepithelial Cyst

脉络膜裂影像学表现及脉络膜裂神经上皮囊肿的诊断

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Methods Twenty-five patients with choroid fissure cysts diagnosed by MR imaging were reviewed.

方法回顾性分析25例脉络膜裂囊肿病人的MRI资料。

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