阳光不仅为地球带来光明，同时人类也可利用它们作为能量。在神奇的自然界中，植物通过阳光进行光合作用，维持生长，但大家或许不知道，一些......

Two new cyclic diarylheptanoids juglanin A (1) and juglanin B (2) were isolated from the pericarps of Juglans regia L.Th......

Cross-sectional ovalization of thin-walled circular steel tube because of large plastic bending,also known as the Brazie......

以9个印度南瓜品种为试材,测定其果实营养成分(氨基酸、总糖、还原糖、水分、灰分)和8种矿质元素(Ca、Cu、Fe、K、Mg、Mn、Na、Zn)......

为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

This paper mainly study extreme values of FGM random sequences.We prove a technique theorem by the dependence structure ......

In this paper we consider the nonselfadjoint (dissipative) Schr(o)dinger boundary value problem in the limit-circle case......