Results 61 to 70 of about 3,362 (113)
Gaoya dianqi针对电力设备无线测温技术的需求，文中设计了一种基于新型磁电发电装置的无线温度在线监测系统。该系统利用电力系统周围的杂散磁场为整套无线监测系统供电，并设计了新型压电摩擦耦合悬臂梁结构以提高磁场能收集的效率，同时温度测量模块采用低通滤波提高收集灵敏度，采用低主频工作模式及定时唤醒功能降低信号处理和传输能耗，兼具低功耗的温度采集功能和电气隔离的数据传输能力，保证整套设备的稳定可靠运行。实验测得电源模块在4 Oe，50 Hz的交变磁场下可产生峰峰值开路电压160 V，短路电流14 μA整流后输出3.3 ...
刘斌 +6 more
doaj
Gaoya dianqi, 1999 介绍了一种可用于冲击电压或冲击电流发生器的、采用光电隔离技术的小型触发装置.本装置采用了特殊的节电结构、电池供电,能长期工作而不需要经常更换电池.该装置结构简单,功耗低,使用安全、可靠,已成功地用于冲击电流发生器作触发源.
鞠登峰, 李彦明
doaj
[Heterogeneity of tumor-associated macrophages and precision targeting strategies in hepatocellular carcinoma]. [PDF]
Zhonghua Gan Zang Bing Za ZhiHuang K, Zhang GQ.
europepmc +1 more source
[Interpretation of the "Expert consensus on the management of neonatal parenteral nutrition (2025)"]. [PDF]
Zhongguo Dang Dai Er Ke Za ZhiLin XZ +8 more
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Jianzhu Gangjiegou Jinzhan基于扩孔螺栓连接型耗能段和自复位SMA支撑，提出一种新型自复位耗能段，具有强耗能、高延性、低残余变形和低损伤等特点，可进一步提高偏心支撑结构的抗震性能和震后功能恢复能力。分别设计3个考虑摩擦滑移的自复位耗能段和1个普通自复位耗能段试验模型，并进行往复加载研究，得到其变形或破坏模式、滞回曲线和骨架曲线等。结果表明，滑移阶段耗能段处于相对静止状态，所有构件均处于弹性；非滑移阶段中耗能段依次发生滑移、屈服、翼缘和腹板屈曲现象，整个过程中自复位SMA支撑中SMA受拉，并为自复位耗能段提供承载力、耗能能力和复位力。
张波 +4 more
doaj +2 more sources
[Molecularly imprinted polymers： novel green preparation methods and cutting-edge applications review]. [PDF]
Se PuLi F +5 more
europepmc +1 more source
[Overwork damages myocardial energy metabolism homeostasis in mice]. [PDF]
Nan Fang Yi Ke Da Xue Xue BaoCui J +6 more
europepmc +1 more source
[Research progresses in ex vivo liver perfusion technology]. [PDF]
Zhonghua Gan Zang Bing Za ZhiLiu QY, Zhao Q, He XS.
europepmc +1 more source
[Ovarian tissue cryopreservation and transplantation: a review of clinical progress in fertility preservation]. [PDF]
Zhejiang Da Xue Xue Bao Yi Xue BanChen J, Feng C, Jin M.
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[The role and mechanism of chemokine network in promoting osteoarthritis progression by regulating synovial macrophage heterogeneity]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiLin Y, Wu L, Chen Q, Shen B.
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