The origin of tne crazy idea　　From the outset， I was against the idea. After all， who would have thought that suchan out......

在塑料加工工业的许多生产工艺中，所用的聚合物需要加入染料和添加剂。液体染料可以非常有效地取代色母粒.......

[Objective] To determine the contents of three major tanshinones in Salviae miltiorrhizae health tea by HPLC.[Method] Th......

目的:评价醋酸曲安奈德局部注射对变应性鼻炎患者血清白介素4(interleukin-4,IL-4)和Y干扰素(interferon-γ,INF-γ)表达水平的影......

在工程应用中,传统的注入式定子接地保护方案经发电机中性点接地变压器二次侧注入和测量,受接地变压器参数影响很大,补偿不准确或......

Four types of meager and meager-lean coal and one type of high-quality anthracite were selected based on the safety requ......