Through the experiment, the growth of the ancient trees, such as the area of leaves, the length of new branches, the content of chlorophyll, the dry mass and fresh mass of leaves, and the underground water permeability and air permeability, are all increased to some extent.
经过实验后,古树的叶面积、新发枝条长度、叶绿素含量、叶片的干质量与鲜质量等生长量比以前有不同程度的增加,地下透水透气性能得到改善。
Xenon breakthrough in Activated Carbon Fiber (ACF) beds was investigated.
研究了氙在活性炭纤维吸附床上的穿透特性,采用Boltzmann分布函数理论模拟了穿透曲线,根据Boltzmann函数曲线推导了穿透时间方程,给出了半穿透时间的理论表达式,较好地解释了实验数据。
A series of column tests were conducted to determine the breakthrough characteristics,with effects of various water flow rate(0.
4 g)条件下,考察了DMP在GAC柱中的穿透特性。
89mg/g,respectively,when the initial concentration of the solution was 200mg/L;meanwhile,the breakthrough characteristics of DMP adso.
00mL/min)GAC吸附DMP的穿透特性,Yoon-Nelson模型能很好地拟合DMP在GAC柱中的穿透曲线,根据试验数据和Yoon-Nelson模型计算出穿透参数K′、T和穿透点t1以及平衡点t2。
Experimental study on infiltration and transportation of ammonia nitrogen through the clayey soil layer;
氨氮在黏土防渗层中渗透和运移规律试验研究
Comparison of measuring method of infiltration and covering of yarn sized solution;
浆纱浆液渗透及被覆测试方法的比较
The teaching of permutation and combination and the infiltration of mathematical thinking;
排列组合的教学与数学思想的渗透