This article gives a detailed presentation of the exposure test process of polystyrene specimens in Chinese and American natural exposure test sites.
详细介绍了聚苯乙烯塑料样品在中美两国四个典型自然气候曝露试验场的曝露试验情况,测量了样品曝露试验前后的黄色指数变化,并对这些数据进行了统计分析,研究了不同曝露开始时间造成的曝露季节变化对试验结果的影响,比较了这四个气候曝露试验场对聚苯乙烯的气候严酷性,结果为:海南琼海曝露试验场>佛罗里达曝露试验场>亚利桑那曝露试验场>广州花都曝露试验场。
Rationality analysis of field test method for evaluation of geological condition of deposit;
矿床水文地质野外试验方法的合理性分析
in the paper, following an example of the pebble river bed,the determination of the incipient velocities of nonuniform sands is represented,the effect of the shapes (kurtosis)of pebbles on the incipient velocities is analysed,and then,the field test results on the incipient motion law of nonuniform sands are introduced and compared with those of the theoretical analysis.
分析了卵石形状（扁度）对起动流速的影响，介绍了非均匀卵石起动规律的野外试验结果及其与理论的对比。
Based on the chief drawbacks of present field test methods for hydrodynamic dispersion coefficient, an improvement for the slug injection test in radial flow and a hydrodynamic dispersion test in two-dimen-sional flow are presented.
针对现有弥散系数野外试验方法存在的缺点,提出了一种改进的径向流瞬时注入弥散试验和一种二维流场弥散试验的方法。
Test method for exposure to natural weathering on pipeline protective coating
管道防腐层自然气候曝露试验方法
Plastics--Test methods of exposure to natural weathering
GB/T3681-1983塑料自然气候曝露试验方法
Methods of exposure to natural weathering of coating
GB/T9276-1996涂层自然气候曝露试验方法
Plastics--Methods of exposure to laboratory light sources (xenon arc lamp)
GB/T9344-1988塑料氙灯光源曝露试验方法
" Rubber,vulcanized--Test method of exposure for resistance daylight under glass"
GB/T14835-1993硫化橡胶在玻璃下耐阳光曝露试验方法
" Plastics-Test methods of exposure to damp heat,steady state"
GB/T12000-1989塑料在恒定湿热条件下曝露试验方法
Study on the Relativity of Natrue Exposure & Artificial Accelerate Test and the Design of Anti-Corrosion;
自然曝露试验与加速腐蚀试验的相关性及防蚀设计研究
Plastics--Methods of exposure to laboratory light sources--Part 1: General guidance
GB/T16422.1-1996塑料实验室光源曝露试验方法第1部分:通则
Plastics--Methods of exposure to laboratory light sources--Part 4: Open flame carbon arc lamp
GB/T16422.4-1996塑料实验室光源曝露试验方法第4部分:开放式碳弧灯
Plastics--Method of exposure to indirect weathering using glass-filtered daylight
GB/T14519-1993塑料在玻璃板过滤后的日光下间接曝露试验方法
A grease/carbon steel panel exposure associated with salt spray tests was recommanded to evaluate the weathering and corrosion prevention performance of greases.
本文建议以滑脂碳钢抹片曝露试验配合盐雾试验以评估其耐候防蚀性能。
colour fastness to fadeometer exposure
耐褪色试验仪曝晒色牢度
Experimental Study on the Operational Effects of Biological Aerated Filter;
曝气生物滤池运行影响因素试验研究
A Study on an Experiment of Treating Organic Wasterwater with Biofiltration;
曝气生物滤池处理有机废水试验研究
Experimental study on removal of TCAA by UV/H_2O_2/micro-aeration process
UV/H_2O_2/微曝气降解三氯乙酸的试验研究
Experimental Study on Penicillin Wastewater Treatment by Using Intermittent Aeration Method
间歇曝气法处理青霉素废水试验研究
The Study on Treatment of Low-Temperature Sewage in Biological Aerated Filter;
低温污水曝气生物滤池处理技术中试试验研究
dew cycle corrosion tester
露点循环腐蚀试验机