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More stories are added to a multi-storey RC frame using lead laminated rubber bearings. A program is developed with MATLAB language to conduct elastic-plastic time history analysis, according to the optimization results of lateral rigidness and damping ratio of isolation layer based on energy criterion, and two real ground motion records and a synthetic record are input.
结合一幢多层框架结构应用铅芯叠层橡胶支座进行加层改造的工程实例,在对隔震层的抗侧刚度和阻尼比基于能量准则进行优化的基础上,利用Matlab语言编制了弹塑性时程分析程序,输入两条实际地震动记录和一条人工波。
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So it usually needs to roughen the surface toimprove the bonding strength. But the coarseness was not used in this paper. The technique ofarc spraying zinc in advance and then arc spraying copper was put forward to solve the problemof bonding strength.
而本研究根据锌喷涂层具有较好的附着性,提出了在电铸层上先喷涂锌后喷涂铜的工艺路线,较好地解决了铜喷涂层与电铸层结合强度偏低的问题。
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So in this paper, the improved models were proposed which regarded the leaf photosynthetic trait and the light penetrating into row cucumber crop canopy heterogeneously, it is composed by the model of photon transport in heterogeneous leaf canopy and the empiristic formula which described regression between leaf age and maximal photosynthesis rate and use efficiency of sunlight.
该文所建立的日光温室黄瓜非均质冠层光合速率模型考虑到日光温室黄瓜冠层内光照分布以及叶片光合特性的不均匀性,其包含了非均匀冠层的透光模型和描述冠层叶片光合特性差异的经验公式。
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Moreover drilling measures in different strata are pointed out,which are firstly drilling without slurry in part of silty clay layer,secondly adopting double-bottom bailing bit and bore directly and abandoning slurry with impact drilling rig in muddy clay layer,thirdly selecting short screw auger at low speed in gravel layer,finally choosing rock-socketed drilling tube in shaly sand layer.
指出旋挖钻机在不同地层中的钻进措施:部分粉质粘土层中可用清水或干孔钻进,淤泥质粘土层中采用双底捞砂钻头、直接用冲击钻机钻孔弃浆,圆砾层中采用短螺旋钻头低速钻进,泥质砂岩层中采用嵌岩钻筒钻进等措施,保证施工工期满足架梁节点要求。
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Moreover drilling measures in different strata are pointed out, which are firstly drilling without slurry in part of silty clay layer, secondly adopting double-bottom bailing bit and bore directly and abandoning slurry with impact drlling rig in muddy clay layer, thirdly selecting short screw auger at low speed in gravel layer, finally choosing rock-socketed drilling tube in shaly sand layer.
指出旋挖钻机在不同地层中的钻进措施:部分粉质粘土层中可用清水或干孔钻进,淤泥质粘土层中采用双底捞砂钻头、直接用冲击钻机钻孔弃浆,圆砾层中采用短螺旋钻头低速钻进,泥质砂岩层中采用嵌岩钻筒钻进等措施,保证施工工期满足架梁节点要求。
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Over the pillared saponite by the impulse reaction, while it was only ~4% for the pillared montmorillonite, indicating that the substitutions in the tetrahedral sheets played an important role in the development of Bronsted acidity of the catalyst.
层柱皂石的异丙苯裂解转化率达到了65%;而层柱蒙脱土的转化率只有4%。这说明层材料的四面体取代对于层柱粘土Bronsted酸位的形成具有重要的决定作用。
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Results indicate that phanerophyte is the dominant synusia in the shrub layer and hemicryptophyte in the herbage layer, and Selaginella is the only species on the forest floor. Selaginella broadly distributes in the mixed and pure forests, and it holds an important position among understory vegetations.
研究结果表明:高位芽植物是灌木层中的优势层片;地面芽植物是草本植物的优势层片;卷柏是地被层的唯一植物,在侧柏纯林和混交林中分布都很广,在林下植物中占有重要地位。
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Which layer of the 7 layer model provides services to the application layer over the Session layer connection?
在7层OSI模型中为应用层连接会话层及提供服务的是那一层?
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The dissertation mainly has a research on beam shape of concrete transfer floor. The load form of transfer floor is complicated and the stress-strain changes greatly, so the structure design could be divided into the calculations of rectangular sections in bending, incline plane in shearing, and shear wall structure.
本文以目前广泛使用的梁式钢筋混凝土转换层为研究对象,针对梁式转换层受力复杂,应力应变变化大,重点研究了深梁截面设计法的正截面受弯、斜截面受剪及转换层剪力墙结构的计算,并对转换层结构构造设计进行了分析。
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Cu/Zr nano-multilayer films are prepared by Direct Current magnetron sputtering in the silex substrate, and the box-type furnace is used to anneal. Micro-sclerometer, X-ray Diffractometer and Scanning Probe Microscope are used to analyze the mechanical performance and microstructure of Cu/Zr nano-multilayer films. The relation of process parameters and performance is investigated.
本文利用直流磁控溅射方法在石英玻璃基片上制备了一系列自支撑Cu/Zr纳米多层膜,使用箱式电炉对多层膜进行退火处理,利用显微硬度计、X射线衍射仪、扫描探针显微镜表征了多层膜的力学性能与微观结构,研究了不同工艺参数对纳米多层膜性能的影响。
- 推荐网络例句
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And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.
同时,论述了一体化管理体系构建中的几个主要问题,包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。
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Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.
运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。
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If you're huffing and puffing at any point during the run, slow down and make sure you can take deep breathes.
如果你任何时候在跑步过程中气喘如牛,降低速度并且确保你能够深呼吸。