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- Preparation, formula and properties testing were introduced for HMS series high range water reducing agent. 介绍了HMS型系列高效减水剂的制备方法、配方、以及性能测试。
- Small punch test (SPT) technology has been developed and applied widely in material mechanical properties testing. 摘要小冲孔试验(SPT)技术在材料力学性能测试中得到了广泛的发展和应用。
- The effect of plasticizer DOP on the ultraviolet light(UV) ageing properties of PVC was studied by means of mechanical properties test, SEM and FT-IR. 采用力学性能测试、扫描电镜(SEM)、红外光谱(FT-IR)等方法研究了增塑剂邻苯二甲酸二辛酯(DOP)对聚氯乙烯(PVC)紫外光老化性能的影响。
- Machining properties testing was mainly based on ASTM D1666-87 standards and also combined internal practical situation. 机械加工性能测试按照美国ASTM D1666-87标准进行,并综合考虑了我国的生产实际。
- In the course of system adjusting and properties testing, it is needed to make electrostatic discharge(ESD) experiments. 在系统调试、性能测试及工作时要进行静电放电实验 ,电磁辐射、干扰随之产生。
- LCR test instrument, Shore hardness test instrument and capacitive electrostrictive properties test device are used to test the effect of doped PUE. 采用LCR测试仪、邵氏硬度计和电容法电致伸缩特性测试装置研究了纳米钛酸钡掺杂对PUE的影响。
- The mechanical properties testing, microstructure observation and fractographic features analysis of the troostite high chromium cast iron blade were carried out. 对屈氏体高铬铸铁叶片进行力学性能测试、显微组织观察和断口形貌分析。
- The lamellar cracking was found at the specimen after the mechanical properties testing, then fracture surface of specimen was analysed by SEM &EDAX in this paper. 通过对输变电铁塔用高强度低合金铌钒钢板在拉伸试验后出现分层开裂的现象,采用SEM、EDAX进行微观分析。
- Mechanical properties testing、SEM and TEM was used to study the effects of cold-rolled reduction and aging temperature on the cohesion of the weak interface of DISC. 通过力学性能测试、扫描电镜及透射电镜观察,研究了冷轧压下量及时效温度对内生复合钢板弱界面结合强度的影响。
- Distribution of Mg in melt pool and its effects on mechanical properties of welded joint were investigated by EDX analysis, microhardness test and tensile properties test. 通过对焊缝的能谱分析、显微硬度试验和拉伸性能试验,研究了Mg元素烧损后在熔池内的分布规律及对焊后力学性能的影响。
- The shearing property test of CFRP structure under a static load is conducted. 摘要对CFRP加固的混凝土构件进行了界面静荷载下的抗剪性能试验。
- The phase composition and characteristics of the glass-ceramics products were analyzed using comprehensive methods such as optical microscope, XRD and physical and chemical properties testing. 通过光学显微镜、X射线衍射分析、物理化学性能测试等手段确定了微晶玻璃试样的物相组成及性能特征。
- Properties of modified phenol resin, precoated sand preparation and property test have been narrated. 摘要叙述了改性酚醛树脂的性能、及膜砂制备配方及其性能测定。
- The results of a series of properties testings indicate that the performances of modified SBS have been changed. 实验结果表明:改性SBS接枝物与氯丁胶片的相容性良好;
- THE WAVE ABSORBING PROPERTY TESTING AND ANALYSIS OF THE MMW COATING STEALTH MATERIAL ? 毫米波涂层隐身材料吸波性能的测试研究
- The fractured tubing was analyzed by fractographic inspection,metallographic examination,and mechanic property testing. 对油管进行了断口分析、金相检验、材料力学性能试验。
- This machine is for testing the tension fisheye and other property test items of PVC PP PETG and other plastic sheets. 这款机型主要用于PVC,PP,PETG等塑料拉片试验,用于对原料晶点,产品特性检测。该机采用变频驱动,辊轮速度控制准确。高精度锻钢辊筒,温度控制准确。
- Various factors influencing the major properties of water soluble polyurethane grouting materials arestudied by properties tests. 采用化学灌浆材料性能测试方法,研究了影响水溶性聚氨酯化学灌浆材料主要性能的各种因素。
- The property testing shows that the optimized heat treatment process can improve abradability of material evidently and prolong the life of roller. 性能测试表明 ,改进后的热处理工艺使材料的耐磨性显著提高 ,延长了轧辊的使用寿命。
- The research status on the coating property test of expendable pattern casting process is reviewed. 对国内外消失模涂料的透气性、强度、涂挂性等性能的测试方法以及其研究进展进行了论述。