Impacts on asphalt mixture's high temperature performance with PR series additives added by means of rutting test and Repeated Shear Test (Constant Height)(RSCH) were investigated.
选用车辙试验和恒定高度重复剪切试验（RSCH）来进行掺加PR系列添加剂沥青混合料的高温性能研究。
Methods: High Performance Liguid Chromatography (HPLC) and classical constant temperature method were used.
方法：采用HPLC法(高效液相色谱法)及经典恒温法。
So it is necessary to develop the constant temperature incubator shaker that has high performance, multi-function and strong data management.
因此，研发高性能、多功能、数据处理能力强的恒温振荡培养箱是非常必要的。
Performance research on an inverter constant temperature and humidity air conditioner with high precision is provided by experiment.
通过实验研究了高精度变频恒温恒湿空调机的运行特性，并制造了实验样机。
The effects of constant high ambient temperature on growth performance and nutrient digestibility of growing pigs were investigated in this study.
本文旨在研究持续高温对生长猪生长性能及养分消化率的影响。
The effects of constant high ambient temperature on growth performance and nutrient digestibility of growing pigs were investigated in this study.
本文旨在研究持续高温对生长猪生长性能及养分消化率的影响。
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