Results 91 to 100 of about 8,716 (164)
[Modified <i>Chaihu Shugan</i> Powder alleviates cholesterol gallstones in mice with liver depression syndrome by regulating gut microbiota and bile acid metabolism]. [PDF]
Liang R +5 more
europepmc +1 more source
回路电阻带电检测是高压电缆金属护层接地回路电气连接状态检测的一种新技术,该技术通过磁场耦合方式向高压电缆接地回路中注入异频激励,通过测量回路中的异频激励电压与电流响应信号的幅值与相位求解回路电阻,可有效发现回路中的进水受潮、螺栓松动、护层开裂等缺陷。电缆护层中工频环流的存在会对异频信号的注入产生影响,导致激励电源及耦合线圈工作异常,并且对异频信号的检测造成严重干扰,能否有效地抑制工频环流干扰是高压电缆接地回路电阻高精度检测的关键所在。为此,文中提出了一种基于二阶广义积分器锁相(second-order ...
赵伟利 +6 more
doaj
一种新型的PCIμΩ/2型回路电阻测试仪在上海市沪西电器厂研制成功。该测试仪采用100A测量电流、全数字化技术、大规模集成电路,具有结构合理、体积小、重量轻、读数清晰、功能价格比优越等优点。 PCIμQ/2型回路电阻测试仪的电流为单相50Hz 220伏,直流输出为100安培 ...
doaj
[Parent-child relationship and preschoolers' social skills: the cross-time chain mediating role of executive function and emotion regulation]. [PDF]
Li YW +6 more
europepmc +1 more source
[Gut-vascular axis in Kawasaki disease: short-chain fatty acid-mediated immune regulation and therapeutic targets]. [PDF]
Wang SD, Liu F.
europepmc +1 more source
[Facial scarless surgical approach for mandibular condyle fracture]. [PDF]
Chen J, Liu L.
europepmc +1 more source

