应用力学

There are also several branches affiliated to the department now which include the Teaching and Research Section of Naval Architecture and Ocean Engineering, the Institute of Naval Architecture and Ocean Engineering (a first rate design institute in Guangdong Province), the Ship Model Towing Tank, the Marine Material Test Center, the Laboratory of Harbor and Channel.

本专业是以数学、力学、机电为基础，全面应用信息技术从事船舶与海洋工程结构物及相近领域的设计、研究、制造、规划、经营与管理等的工程学科，本专业长期以来奉行&厚基础、严要求、重能力、强适应&为办学宗旨。

The foundation for further studying the strain gradient theory and applying the strain gradient theory to the fracture mechanics can be given by the result of this paper.

本文的结果，为进一步研究应变梯度理论在断裂力学中的应用提供了良好的基础。

The indoor experiment of mechanical parameters of rock is performed to provide a series of mechanical parameters of rock-mass needed in numerical simulation of abandoned stope disposal.(3) The minimal roof span, the minimal cantilever roof span and roof cutting depth are studied by the 3D non-linearity FEM code ANSYS.

开展了室内岩石力学参数试验，提出了数值模拟研究所需要的岩体力学参数；(3)应用三维ANSYS有限元程序研究了顶板极限跨度、悬臂状态下的顶板极限跨度和切顶深度。

Generation and development processes of upper stab wound amount are reasonably analyzed utilizing slip line field theory .

应用滑移线场理论解释了CFG桩复合地基桩顶刺入变形的发生发展变化过程，并推导了产生桩顶刺入变形的力学条件，为更准确地计算CFG桩复合地基中桩土应力比提供了一条新的思

Major Courses: Advanced Mathematics , Physics , Engineering Drawing , Engineering Mechanics, Electrotechnics and Electronics , Mechanical Manufacture Basis , Materials Forming Basis, Mechanical Principle and Design, Mold CAD/CAM Software Application, Plastics Forming Machinery, Sheet Metal Forming Technology and Mold Design, Plastics Mold Design, Mold Manufacture Technology, and so forth.

主要课程：高等数学、大学物理、工程制图、工程力学、电工电子技术，机械制造基础、材料成型基础、机械原理和设计、模具CAD/CAM软件应用、塑料成型机械、冲压工艺及模具设计、塑料模具设计、模具制造技术等课程。

The mechanism was further studied by the particles sedimentation test in combination with DLVO theory and Aim-Goff model. It is concluded that the addition of sodium hexametaphosphate can disperse the agglomeration of silica fume and increase the packing density, thus improve the mechanical performance.

本文应用Aim-Goff模型探讨了其作用机理，研究显示，加入六偏磷酸钠分散了硅灰的团聚体，提高了水泥基复合材料的堆积密度，从而改善了水泥基复合材料的力学性能。

In this paper the importance of stress positive-negative regularity on tilt section in plane problem of mechanics of elasticity is introduced and the regularity is proved.

介绍了弹性力学平面问题中斜截面上应力的正负规定的重要性及其对该规定的论证规定在实际问题中的应用。

Stitch formation,seam pattern and stitching parameters and their effects on composites mechanic properties are also reviewed.

主要介绍缝合技术在复合材料上应用的发展状况，综述了缝合方式、缝线轨迹和缝合工艺参数及其对复合材料力学性能的影响。

Result:(1) The max supporting weight of saddle-backed waist splint is 90 kg in the bed exercise, applicable to people who have spine length 73cm~67cm( about body height 178cm~165cm)(2) the height of the gas filled pillow is 5cm~15cm (3) The height of the gas filled pillow should be adjusted according to different patient (4) the press on the abdomen deliver by front part of saddle-backed waist splint is 3336 kpa; Standard piece of waist line is 94cm~70cm, elastic force is 180N .

结果：﹙1﹚鞍式腰托在卧床锻炼时的最大承重量为90㎏，适用脊柱长度为 73 ㎝67 ㎝（约身高178 ㎝165 ㎝）。﹙2﹚充气垫枕的高度为5㎝15㎝。﹙3﹚针对不同病人的身高﹐应适当的调整充气垫枕的高度以及指导锻炼时的拉伸高度。﹙4﹚下地后鞍式腰托前板能给腹部压力为3336kpa；标准件的弹性腰围为64㎝ 90㎝﹑弹性力为180N。结论：鞍式腰托在通过力学测试以及临床应用﹐已基本符合脊柱胸腰段（T11L2）椎体屈曲型稳定性压缩骨折的复位要求，具有简便安全而有效的整复与固定作用。具有较强的实用性，值得进一步研究开发。

With the development of science and technology, the standard of material property has become stricter and stricter, such as the temperature of lunar surface is between sub-zero two hundred and above freezing two hundred, whice lead to rough-weather works for equipments.

比如：应用在月球表面的设备往往需要承受-200～200℃较大温差的苛刻环境，通常的纤维增强树脂基复合材料往往较容易满足较高温度的使用条件，但是在超低温下力学性能的研究却鲜有报道。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。