强构件

The composite materials play a very important role in the construction of national economy and building-up of national defense,with strong designability,and a consistency in materials and shaping of component parts.

复合材料具有较强的可设计性和材料与构件成型的一致性性能。复合材料在国民经济建设和国防建设中起着非常重要的作用。

The gaseous impurities in the alloys were well controlled with the sum of C, N and O less than 500wppm. For the first time it was found the strong interaction between Cr-Ti-CON, which reduces the mobility of Ti and CON, enhancing high-temperature strength and the aging-hardening property, and keeping the cold-work induced hardening at higher temperature. Aging-hardening could increase the tensile strength of V-4Cr-4Ti by 30% and could be utilized at 00 C for better economical performane of a vanadium structure. Hydrogen release will occur for the alloys tensile loaded at room temperature, which will affect the safety of a vanadium structure due to the resulting dimensional instability. For hydrogen embrittlement, impact toughness and fracture toughness of the alloy showed higher sensitivity than the tensile test elongation,so the toughness should be used as a new standard for the assessment of the embrittlement. Vanadium alloys were easily oxidized in air.

合金的气体杂质含量得到有效控制，C、N、O总量低于500wppm；首次发现Cr-Ti-CON之间的强相互作用，它使Ti、CON的高温可移动性降低，提高合金的高温强度、增强时效强化特性、使冷加工强化保持到更高温度；时效强化可使V-4Cr-4Ti的强度提高30%，可在低温（00C）下应用，提高构件的经济性；室温下，钒合金在拉应力的作用下，存在着氢释放，带来部件使用中的尺寸不稳定性，影响构件安全；氢脆是钒合金聚变应用的一个关键问题，合金的冲击韧性和断裂韧性表现出比拉伸延伸率更强的氢脆敏感性，应作为评价合金氢脆行为的新标准。

It is shown that beams of reinforced average strain distributing accord with flat section assume; The method of strengthening intension of concrete structure with reinforced materials is a feasible way. The strength of beam can be increased with the number of reinforcement materials be added; The strength of beam is affected by percentage of flexural reinforcement and the compound proportion and fashion of reinforcement materials and the number of reinforcement materials; The capability of bend and stretch and price of inner hybrid fiber is better than sole fiber and exterior hybrid fiber.

通过分析可知：加固后的梁，其平均应变的分布符合平截面假定；使用加固材料来提高混凝土受弯构件承载力的补强加固方法是有效的；构件受弯承载力随加固材料用量的增加而提高；纵筋配筋率、加固材料混杂比例及混杂方式、加固材料用量均对受弯承载力有一定的影响；层内混杂纤维的抗弯性能、延伸性能以及经济性均优于单一纤维和层间混杂纤维。

For such a single-input-two-output unstable system with strong nonlinearity and strong coupling,the control scheme was accomplished by adding a tracking differentiator and the feedback control law comprised of the errors of the two controlled variables,instead of the only one in the usual ADRC scheme. This method expanded the range that the ADRC scheme can deal with.

倒立摆系统以其结构简单直观，构件参数和形状易于改变，成本低廉，而本身又是一个高阶次、不稳定、多变量、非线性、强耦合系统，被公认为自动控制理论中的典型试验设备，也是控制理论教学和科研中不可多得的典型物理模型。

Component technology was an extension and development of the object-oriented technology,component has strong independence,and it can achieve a high degree of reusability.

构件技术是面向对象技术的延伸和发展，构件具有较强的独立性，可以达到高度的可复用性。

With the development of aerial and aerospace industry, many aerial and aerospace components are needed to work in some terrific conditions (such as high temperature, high pressure, vacuum and toxic gas). For this purpose, many new materials (such as carbonylic composite material and ceramics) have been manufactured. So the study of material character in the terrific conditions, especially the precise measurement of the strain and stress, becomes very urgent.

中文题名复合材料高温形变视觉检测技术研究副题名外文题名 The research of vision measurement technology on the composite material deformation at high temperature 论文作者耿涛导师强锡富学科专业精密仪器及机械研究领域\研究方向学位级别博士学位授予单位哈尔滨工业大学学位授予日期2003 论文页码总数107页关键词复合材料材料变形碳基复合材料视觉测量馆藏号BSLW /2003 /TB332 /22 航空航天业的飞速发展，要求航空、航天器的许多构件在高温及其它恶劣环境（如高压、真空、有害气体）中工作。

Department of Biology,Hainan Normal College,Haikou 571158 Abstract Based on the theory ofmodularity,the correlation between the environmental factors and the modular structures inthe population of young Cephalotaxus mannii is studied by using the analysis of greyrelatedness degree.

环境因子对海南粗榧幼苗种群构件结构的生态效应*付永川向志强郭力华刘玉成杜道林摘要以构件理论为基础，运用灰色关联度分析技术，对海南粗榧幼苗种群构件结构与环境因子间的关联度进行了分析。

The research indicates that when the gusset plate connections to slotted tubes member is used in practice, the rigidity of the member must be strengthened to avoid the happening of the whole buckling failure, and the combination of welded hollow spherical joints and gusset plate connection to slotted tubes member proves to be effective.

实际工程中应用管板连接构件作为受压构件时，必须加强构件弱轴的刚度，以避免整体失稳破坏，而采用焊接空心球补强是一种有效的方法。

Concrete components have flaws, such as loose, hole, slit band and so on. These flaws not only lead to the change of acoustic velocity, but also have strong absorption and attenuation action to the acoustic wave. It is an effective method to detect engineering quality of concrete components by using acoustic velocity CT and attenuation CT combined detection technology.

混凝土构件中存在的诸如松散、空洞、缝隙夹层等缺陷，不仅造成声波速度的变化，而且对声波具有较强的吸收衰减作用，利用声波速度CT和衰减CT联合检测技术是检测混凝土构件工程质量的有效方法。

The reinforcing and strengthening technology of carbon-fiber is an engineering measure which is used for reinforcing building element.

碳纤维补强加固技术是利用碳素纤维布和专用结构胶对建筑物构件进行补强加固的工程技术措施。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。