杆状

Took Chongqing Gong-he tunnel as an engineering example and studied the failure mechanism of surrounding rock and the correlation with bolt support system by using the methods of theoretical analysis, modeling test, numerical simulation and in situ test, some helpful conclusions were arrived as follows.Firstly, a new failure criterion for transversely isotropic rock mass was proposed with consideration of bedding plane orientation and major principal stress, and the corresponding algorithm, arrived through VC++6.0, can be easily embedded into the software FLAC3D for the geotechnical calculation.

论文在国家自然科学基金专项基金创新群体基金项目(No.50621403)以及国家自然科学基金重点项目"隧道与地下空间工程结构物的稳定性与可靠性(No.50334060)"的资助下，以共和隧道为示范工程，运用理论分析、物理模型实验、数值模拟和现场测试等手段，对共和隧道大埋深段层状岩体的围岩变形破坏机理、锚杆支护力学效应及围岩-支护结构的变形特征等内容进行了研究，其主要研究成果有：①在总结和探讨国内外学者提出的层状岩体经验型连续介质破坏准则基础上，结合层状岩体力学特性，考虑层面方向和最大主应力方向两个影响因素，提出了共和隧道层状岩体横观各向同性破坏准则；采用汇编语言VC++6.0实现了横观各向同性弹塑性本构关系的算法，并嵌入FLAC3D有限差分数值分析软件接口中实现数值运算。

Its sclerocorneal muscle and ciliary muscle are flourishing,which cause its ability of double-regulating developed.The iritis sphincter and pupil enlarging muscle can regulate the size of the pupil quickly.There are rods and cones cells in Long-eared owl's retina.The dominant part of the visual cell is the rode cell and the neuromere cell being less that make its eyes high photosensistive.

巩膜角膜肌、睫状肌发达，使其具有很强的双重调节能力；虹膜括约肌、瞳孔放大肌能迅速调节瞳孔大小；视网膜中视细胞由视杆细胞和视锥细胞组成，以视杆细胞占据绝对优势，而神经节细胞较少，从而使其光敏度提高。

In order to study the stability of stratified rock slope in Zhu-Cheng road and its reinforcement method, the potential deformation and slipping mechanism of slope were analyzed using insitu-investigation and stereographic projection analysis method. The numerical calculation model for stratified rock slope was founded with UDEC software. The deformation of rock mass was analyzed in the excavation procedure, and the long-short compound bolt reinforcement structure was proposed according to the deformation failure mode of stratified rock slope.

摘 要：为了研究竹城公路层状岩质边坡的稳定性及防治措施，通过现场调查和赤平投影分析边坡潜在变形滑动机理；利用UDEC软件建立层状边坡数值计算模型，分析开挖过程中岩土体的变形情况；根据变形破坏模式提出层状岩质边坡的长短锚杆交替复合支护结构。

A hypothetical drained cell model retrofitted from a 160kA Hall-Heroult cell was set up to calculate the current distribution in the cathode when the anode bottom and cathode top surfaces were declivous. Two half anode-cathode slice thermo-electrical models with the collector bars installed slopingly or horizontally were adopted to calculate the potential drop and electricity distribution of the cathode.

摘 要：将某厂现有的160kA Hall-Heroult铝电解槽改造成导流槽后，在阴极上表面和阳极底面呈斜坡状的条件下，计算了采用不同阴极导杆安装方式时阴极的电位和电流分布，即通过建立导流槽内部从阳极到阴极的一个半切片电热场模型，用有限元法分别对水平和平行于阴极斜坡两种不同导流槽阴极导杆的安装方式下阴极电位和表面电流密度分布进行了计算。

The computation results show that under two degree-of-freedom motion, the process of enveloping the worm is of point contact form, and the worm surface is generated by contact points, regardless of the type of generant, such as straight line, plane and disk annular curved surface.

本文又首次提出并建立了在双自由度运动状态下，用平面砂轮和盘状环形砂轮包络加工圆柱蜗杆传动的方案及数学模型，其目的在于拓宽包络圆柱蜗杆传动的应用范围，对此也编制了相应的计算机软件。

Made a systematic analysis to the simulation results and educe these conclusions: The reinforcement action of pre-tensioned bolts supporting joints rock mass mainly externalizes in creasing the interlayer-pressure and roadway roof pressure.

预应力锚杆对层状顶板的加固机理是增加层间正压力，从而降低节理面之间的滑动位移，控制顶板离层量，降低巷道位移。预应力锚杆支护，是提高煤巷节理顶板稳定性的有效方法。

It shows that the action of bolt together with rock must be taken into consideration in order to correctly make computation of rock-bolt supporting parameters.

结果表明，合理的地下层状岩石锚杆支护参数设计应在考虑锚杆与围岩的共同作用条件下计算。

For the directly rough pulping of the raw materials such as paper ,ricewheat grass the sugarcane dregs reed ,wood ppieces ,bamboo pieces cotton stalks ,maize stalks ,wood paring sawdust ,wood chips ,wood linen ,wood branches shrubs .

用于废纸、稻麦草、庶渣、芦苇、木片、竹片、棉杆、玉米杆、刨花、锯屑、木屑、木条、麻类、板桠材、灌木等原料的直接粗制浆，可将原料处理成丝绒状纤维。

Japan IKO needle-type needle-like shell to maintain needle-type Rotary cut type needle roller bearing composite thrust bearing inner wheel sliding bearing rod end spherical bearings spherical joint bearing L-shaped linear bearings.

日本 IKO 针状保持型针状薄壳型针状旋削型针状复合型滚子轴承推力轴承内轮球面滑动轴承杆端轴承球状L形关节轴承直线轴承。

The heater is shaped to conform to the flat planar surface of a T-bar shaped heating element, and clamped in place with insulators to provide maximum transfer of heat to the heating edge formed by the web portion of the T-bar.

该加热器形状制成与T型杆加热部件的平表面形状相一致，用绝缘件将其夹持在位置中，以便给由T型杆的腹板部分形成的加热边缘提供更大的热传导。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。