The influence of porosity and active catalyst surface area on the performance of cathode is analyzed as well.
同时分析了孔隙率和催化剂表面积对催化剂层性能的影响。
By using the surface minimum temperature of 4 observational stations in the period 1971 ~ 2005 in Baiyin area, the spatial features and frost evolution were analyzed.
利用1971 ~ 2005年甘肃省白银市辖区4个台站逐日地面最低温度资料，统计分析了早、晚霜冻发生的气候特征和时间变化规律。
To improve the traffic operation of the interchanges and surface streets, the reasons that cause traffic jam in this area are analyzed.
为改善我国立交与地面道路的交通衔接，首先分析了造成衔接段交通拥堵的原因。
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