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Theoretical prediction for effective properties and progressive failure of textile composites:a gene
A generalized analytical model is developed to predict progressive failure behavior of several types of textile composit......
Effects of Citric Acid on Hydration Process and Mechanical Properties of Thermal Decomposed Magnesiu
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Nowadays,using biopolymer as a ground improvement method has become very popular.However,since biopolymers are organic a......
【正】 On March 3rd, PetroChina Company Ltd.signed a strategic cooperation frameworkagreement with China Coal Energy Com......
This year, the Fifth Ministerial Conference of the Forum on China-Africa Cooperation (FOCAC) will be held in China. Rece......
Preparation and properties of HA coating hydrothermally synthesized from plasma sprayed CaHPO4 coati
INTRODUCTIONrnHydroxyapatite (HA) biocoatings can form osseointegration at a shorter time than metallic implants, and p......
Tailoring nanoprecipitates for ultra-strong high-entropy alloys via machine learning and prestrain a
The multi-principal-component concept of high-entropy alloys (HEAs) generates numerous new alloys.Among them,nanoscale p......
The 12th Meeting of the China-Korea Joint Committee for Basic Scientific Research was successfully held in Xiamen,China ......
Gu Xiulian, Vice-Chairperson of the Standing Committee of the National People’s Congress and President of the All-China......
The viscoelastic properties of the normal PTFE plastic and strengthened PTFE plastic for bearing pad are measured. The m......
This paper reported the influences of Yb addition on the precipitate and mechanical properties of wrought magnesium allo......
ZK60-Er (erbium) alloys were made by melting ZK60 and Mg-Er magnesium alloys (20 wt.% Er) in an electric resistance furn......
Microstructure and mechanical properties of an extruded Mg-2Dy-0.5Zn(at.%) alloy during isothermal ageing at 180 ℃ were......
Vacuum preloading has been widely used in harbour engineering to accelerate the consolidation of soft clay. The mechani......
The effect of molten salts on the mechanical properties of a Ni–20Cr–18W(wt%)-based superalloy was investigated in thi......
Effects of H3PO4 and Ca(H2PO4)2 on mechanical properties and water resistance of thermally decompose
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Strength and failure characteristics of sandstone containing two circular holes filled with two type
Plate shaped sandstones containing two fabricated circular holes that were filled with gypsum and high-strength concrete......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
本文以如美水电站中坝址的消能防冲区为研究对象，将大型有限元软件ABAQUS与强度折减法相结合，建立了防冲区两个典型剖面的计算模型。......
The intrinsic relationships between energy dissipation,energy release,strength and abrupt structural failure are key to ......
以70%KNO_3-30%KCl(摩尔分数)为水溶性盐芯的基体材料,采用搅拌法制备了玻璃纤维增强的KNO_3基水溶性盐芯。对比分析了不同含量的......
血流限制性训练指在训练时通过止血带、弹性绷带等弹性包裹物对四肢加压,以提高肌肉工作能力的一种训练方法。近年来血流限制性训......
以中国皮划艇激流回旋队9名国际健将级运动员为研究对象,对其最大摄氧量、心率、乳酸、卧推与卧拉的最大力量(1RM)及力量耐力(40%1......
为了保证DQ45型钳夹式货车端盖方式运输1000 MW发电机定子的安全,对端盖及连接端盖与定子的螺栓、拉杆进行强度试验研究。根据DQ45......
压力容器封头具有单个开孔补经中结构的应力状态已进行了大量研究，对标准椭圆形封头上开双孔结构的应力状态研究甚少。本文提出用三......
Strength and failure characteristics of sandstone containing two circular holes filled with two type
Plate shaped sandstones containing two fabricated circular holes that were filled with gypsum and high-strength concrete......
研究了磨细电炉氧化钢渣对水泥标准稠度需水量、水泥净浆流动度以及混凝土抗压强度、抗渗性、抗冻性、抗碳化等性能指标的影响。研......
针对某简支T梁运营多年后桥梁跨中出现结构受力性裂缝和主梁钢筋锈蚀等严重影响桥梁的承载能力与耐久性的典型病害，根据荷载试验评......
使用分形、混沌理论建立理论上较为严谨的确定不规则岩矿块强度的新方法。测定不规则岩矿块体的最大尺寸、最小尺寸、质量等物理参......
从设计标准及基本要求方面介绍上海地铁车辆用车轮的技术特点;用有限元方法进行车轮强度和制动热力学计算,给出其强度和疲劳评估;......
主要介绍了ZLA080-B0型转向架构架的受力情况和结构设计特点,并利用有限元分析软件对其结构强度进行了计算,通过静强度和疲劳强度......
为了纺制出特殊结构和性能的细号竹节纱，将长短复合纺纱技术和竹节纱纺制技术结合起来开发出了长短复合纺细号竹节纱。通过采用三因......
探讨棉棉秆皮混纺纱生产工艺以及运用聚类分析法优选工艺的途径。针对棉秆皮纤维较粗、较硬、较脆，抱合力差的特点，通过预处理提高其......
【摘 要】随着国家对高等职业教育事业的日益重视，我国高等职业教育管理体制改革正在逐步推进。高职学校办学规模逐步扩大、资金流......
应用新颁布的《公路钢筋混凝土及预应力混凝土桥涵设计规范》(JTG 3362-2018)第4.1.8条对辽新高速公路上一座互通式立交匝道桥进行......
在密度泛函理论框架下,用第一原理DMol团簇方法,基于Rice-Wang热力学模型研究了合金化元素Ti对bcc FeΣ3[110](111)晶界结合的影响......
目的：探讨强化综合护理应用于重型颅脑损伤患者呼吸道护理的临床疗效。方法选取2012年1月～2013年7月期间92例重型颅脑损伤合并呼吸道......
研究压头速度对Mg2Sip/AM60B复合材料显微组织和拉伸性能的影响,并与金属型铸造复合材料进行对比。结果表明,压头速度通过改变二次......
沥青路面因产生裂缝，导致路面早期破坏的现象愈来愈普遍，裂缝已成为沥青路面的主要破坏形式之一。简要分析了沥青土路面裂缝产生的原......
党中央历届领袖在领导中国社会主义现代化建设中,先后提出了"任人唯贤"、"人才强国"、"人才资源是第一资源"、"以人为本"为核心内......
针对受腐蚀多层混凝土框架改变其使用功能的特点，利用“反算法”反推出上部结构的可承受荷载，以满足地基基础的承载力；结构加固中，柱优......
用'反应法'制备纳米TiO2/UPR,在反应过程中纳米TiO2粉发生轻微水解反应,产生的羟基与不饱和聚酯中的羧基反应,成功地将纳......
为了验证子母弹发射舱内峰值压力对抛撒过程的可靠性,在子母弹活塞式抛撒内弹道模型的基础上,应用LS-DYNA对抛撒部件结构强度进行......
以从APMP制浆废液中分离的半纤维素为原料,将其用醚化剂阳离子化后用于纸张物理性能的增强。结果表明,阳离子半纤维素的最佳制备条......
多用途船的货舱内装载集装箱的固定形式与普通集装箱船不同,船级社及船舶的设计、建造方对此类船舶结构强度的安全性和可靠性投入......
通过对南京市江宁区7栋建筑物采用的钢筋、混凝土、砂浆强度的随机抽样调查，分析讨论了实测统计参数，与现行规范有关规定进行对比，得......
介绍了拉贝故居（南京市级文物保护对象）维修概况，重点讲述了墙体、木楼板、构造节点的加固、修缮方法。通过加固、修缮，拉贝故居的使用......
从土壤和植物两方面介绍了螯合剂诱导植物提取的强化技术,具体阐述了合理选择植物种类、提高土壤重金属有效性的措施以及加强农艺......
介绍合成木薯阳离子淀粉的影响因素,确定出合成阳离子淀粉的最佳工艺条件,表明木薯阳离子淀粉合成最佳条件是：阳离子醚化剂是淀粉用......
根据一系列常幅疲劳试验，分析了抗弯加固RC梁中FRP疲劳应变的变化规律和关键影响因素．FRP疲劳应变随着荷载水平的增加而增加，与加固构......
