Thrombotic disease is a major problem that endangers human health. At present, MRI and CT are com-monly used clinically ......

The vapor-phase reactions of nascent volatiles derived from the fast pyrolysis of lignin were investigated both experime......

目的 研究新修订的尿碘的过硫酸铵消化-低砷量砷铈催化分光光度测定方法的化学动力学特性,探讨砷铈反应温度与反应时间操作偏差对......

作者用数学分析的方法研讨可逆反应的速度－时间关系．通过对一级反应ＡＢ和ＡＢ＋Ｃ，二级反应２ＡＢ＋Ｃ和Ａ＋ＢＣ＋Ｄ，以及普遍形式的基元反应ｍＡ＋ｎＢｐＣ＋ｑＤ的研究，表明在可逆反应中，随时......