Through sanding test,this paper calculates the surface texture s depth of bituminous pavement and aspect ratio between ETD and texture,carries out test selecting the points with different degrees of segregation,and shows the influences of segregation on the performance of bituminous pavement through contrast of testing data,in order to solve the problem of segregation in bituminous pavement.
通过铺砂试验测算沥青路面的表面构造深度,计算ETD和构造深度比,选取不同离析程度的点进行试验,再通过试验数据对比,显示了离析对沥青路面性能的影响,以解决沥青路面的离析问题。
Effects of Ce on spreadability of Sn-Cu-Ni lead-free solder and mechanical properties of soldered joints;
稀土元素Ce对Sn-Cu-Ni无铅钎料铺展性能及焊点力学性能的影响
Effects of Ce on physical properties and spreadability of Sn-Cu-Ni solder;
稀土Ce对Sn-Cu-Ni钎料物理性能和铺展性能的影响
Effect of Ag and Ni on melting temperature and spreadability of Sn-SbCu solder alloy
Ag和Ni元素对Sn-Sb-Cu无铅钎料熔化温度和铺展性能的影响
The properties of 16 kinds of organic activator were tested by means of witting angle and spreading property.
通过润湿角和铺展性表征对16种有机活性剂进行了性能测试,用热失重法测试其热解过程,对所选活性剂进行复配处理完成表面包覆并制得活性物质。
By means of optical microscopy, electrical conductivity measuring device and temperature measuring device, the microstructure, electrical conductivity ,solidus temperature, spreading property of solder were analyzed.
用光学显微镜、电导仪、热分析仪等对合金的微观组织、电导率、熔点、铺展性能进行了分析,并与Sn37Pb进行了对比。
The contents of Si,Cu,Ni and RE are changed by using orthogonal test in order to study the effect of the content changes on the melting points,spreading property and shear strength of Al-Si-Cu-Ni-RE,and the microstructure of filler metal is analyzed by SEM and EDS.
运用正交试验法,通过改变Si,Cu,Ni元素以及混合稀土RE元素的配比,研究含量的变化对Al-Si-Cu-Ni-RE钎料的熔点、铺展性以及抗剪强度的影响,并通过扫描电镜及能谱分析了钎料内部显微组织;通过研究发现,钎料的成分及加热温度是影响铺展面积的主要因素;对钎料显微组织分析可知,钎料中黑色的脆性θ(CuAl2)相和区域偏析的絮状相不利于接头的性能,而具有面心立方固溶体的基体相α(Al)以及球状聚集的Si相,使得钎料的力学性能优良。
Investigation on the Wetting and Spreading Abilities of Propiconazole 25% EC with Naphthenic Light Oil as Dispersing Medium on Vegetable Leaves
轻质油为介质的25%丙环唑新型乳油在蔬菜叶片上的润湿铺展性能
Effect of Ag and Ni on melting temperature and spreadability of Sn-SbCu solder alloy
Ag和Ni元素对Sn-Sb-Cu无铅钎料熔化温度和铺展性能的影响
parallel plate viscosimeter (spread-o-meter)
油墨特性线的平行板粘度仪(铺展仪)
Show and communicate in terms of the vision goods retailing the shop;
论零售店铺的视觉性商品展示与沟通
Study and Application on High Performance Concrete for Bridge Deck Overlays;
高性能桥面铺装混凝土的研究与应用
Research on Preparation and Performance of New Type Material for Bridge Deck Overlays;
新型桥面铺装材料的制备与性能研究
Test Study on Mechanics Properties of Bridge Deck Interlayer
桥面铺装层间界面力学性能试验研究
The Performance Analysis on Xugong RP451L Small Full Hy-draulic Spreader
徐工RP451L型全液压小型摊铺机性能分析
Study on Paving Width of Fiberglass-Polyester Paving Mat Based on Fatigue Performance of Asphalt Overlay
基于加铺层疲劳性能的聚酯玻纤布合理铺设宽度研究
Studies on ME of Emamection-benzoate Which Enhanced Wetting and Spreading Performance on Rice Leaf
能在水稻叶上润湿铺展的甲维盐微乳剂的研制
An Analysis on the Performance of XCMG RP1356 Asphalt Concrete Intelligence Paver
徐工RP1356智能型沥青混凝土摊铺机性能分析
Introduction on Flexible Paved Layer Waterproof System Performance of Concrete Deck
混凝土桥面柔性铺装层防水体系性能评述
Self-assembly of Gemini Surfactants at Air/water Interface;
Gemini表面活性剂在气/液界面的吸附与铺展
The Analysis of the Characteristics of the Dot Spreading and Penetration Ink-jet Printing Technology;
纸张喷墨印刷的网点铺展渗透特性分析
Textile floor coverings-Burning behaviour-Tablet test at ambient temperature
GB/T11049-1989铺地纺织品燃烧性能在室温下片剂试验
Study on the Performance of Waterproof-Bonding Layer of Concrete Bridge Deck Pavements;
水泥砼桥桥面铺装防水粘结层性能研究
An Experimental Study on Mechanical Behavior of Angle-Plied Carbon Fiber Sheet;
多向铺设纤维布层合材料力学性能试验研究
Effects of Overweight Vehicle on Steel Deck Pavement Performance;
超限运输对钢桥面铺装使用性能影响的研究