, 2010 由于弛豫铁电材料磁电传感器是微弱的高阻抗信号源,很容易给系统引入50Hz的强干扰信号,基于这一特点,设计了一款高共模抑制比(CMRR)的前端放大器集成电路.电路采用了适用于低电压工作的高输出阻抗CMOS电流镜结构以保证电路中电流镜的大输出摆幅和高输出阻抗;采用电流反馈放大器结构以获得高CMRR.仿真研究表明,该电路基本满足设计要求 ...
景为平 +4 more
core
[Determination of seven tire antioxidants and their quinone oxidation products in fine particulate matter by high performance liquid chromatography-tandem mass spectrometry]. [PDF]
Se PuLiu F +5 more
europepmc +1 more source
, 2013 本实用新型涉及防强电磁干扰的输电线路巡检飞行机器人控制器，第一处理芯片与第二处理芯片、陀螺仪、气压高度计、罗盘连接;电源电路与第一处理芯片、第二处理芯片、陀螺仪、气压高度计、罗盘连接；第一处理芯片用于采集陀螺仪、气压高度计和罗盘的数据，通过串口采集GPS数据，并将采集的数据进行处理得到飞行机器人的位置、姿态、速度信息；第二处理芯片根据第一处理芯片的位置、姿态、速度信息对与其连接的飞行机器人舵机进行控制；本实用新型在电路板上使用电源滤波器能够过滤飞行机器人工作中强电磁对供电系统的干扰 ...
马立新 +9 more
core
[Research progress on flexible wearable sensors for health monitoring]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiChen X, Xu G.
europepmc +1 more source
, 1984 一、引言对于高功率激光器,从实用观点而论,电子束控制的激光器是目前最受欢迎的器件.苏联的列别捷夫物理研究所和美国的阿拉莫斯实验室,自70年以后都投入了很大的力量,取得了引人注目的成绩。美国阿符科公司利用电子束激光技术早已取得了每脉冲2000焦耳的输出,脉冲宽度为微秒量级。现在阿拉莫斯实验室达到了数万焦耳的输出 ...
傅裕寿, 方慧英, 王春奎
core
[Preparation and <i>in vitro</i> biological performance evaluation of tannic acid-Brushite <i>in situ</i> composite bone cement material]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiZeng C, Tang J, Li T, Gao W.
europepmc +1 more source
[Application of molecularly imprinted polymers-based sensors for determination of acute coronary syndrome biomarkers]. [PDF]
Se PuZhang Y +6 more
europepmc +1 more source
[Determination of perfluorinated compounds， antibiotics and pesticides in drinking water by automated solid phase extraction with ultra-performance liquid chromatography-tandem mass spectrometry]. [PDF]
Se PuLiang J +6 more
europepmc +1 more source
[Case-based teaching with both positive and negative examples in undergraduate analytical chemistry laboratory： determination of six nitrogen-containing pesticides in environmental samples by solid-phase microextraction-high performance liquid chromatography]. [PDF]
Se PuZhang J +4 more
europepmc +1 more source
[Determination of 22 organophosphates and their metabolites and 11 phthalate metabolites in human whole blood by ultra performance liquid chromatography-tandem mass spectrometry]. [PDF]
Se PuShi FY, Xu HY, Li JH, Xu MY.
europepmc +1 more source