The reaction kinetics between MoO2 (S2CNEt2)2 and triphenylphos-phine (PPh3) were studied in various organic solvents w......

The process of electroplating Co-Ce alloys on the nickel foam framework surface can improve electro-conductivity for act......

Based on five basic assumptions, using theoretical analysis method, the natureof the ground subsidence and collapse was......

Persistent ascending or descending mesocolon is an embryological anomaly that occurs during the final process of intesti......

试题Ｂ要求参赛者建立数学模型，测定已给定分子量的某一蛋白质的氨基酸组成．本文建模的思想是：充分利用所给１８种氨基酸分子量间的内部联系......

基于共轭梯度算法的简洁性和高效性,本文提出求解大规模非线性方程组模型的一种修正三项共轭梯度算法。算法具有充分下降性、信赖......

采用压力室法测定了玉米和小麦苗期的根系导水率，井对升压法和降压法进行了比较。玉米苗期根系导水率测定结果表明，根系水流速率（L）随......

Pain is a sensation related to potential or actual damage in some tissue of the body.The mainstay of medical pain therap......