Results 61 to 70 of about 434 (108)

基于中红外可调谐激光光谱技术的SO2检测

open access: yesGaoya dianqi
在气体绝缘组合电器内发生绝缘缺陷时,设备内部SF6气体可能发生分解生成分解产物导致绝缘与灭弧性能下降。针对SF6分解产物的检测对设备内部绝缘情况的检测与评估具有重要意义。SO2作为SF6分解产物中主要产物之一,对其准确检测有助于评估设备内部绝缘情况。文中基于中红外可调谐激光光谱技术搭建了SO2检测实验平台,针对不同体积分数SO2气体进行检测,获得SO2体积分数与二次谐波峰值平均值的线性关系,并进一步开展了误差分析实验。分析了装置的响应速度与恢复时间。实验结果表明 ...
程绳   +7 more
doaj  

[Preliminary application of domestic single-port serpentine arm robotic surgical system in children's pyeloplasty]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Li Z   +6 more
europepmc   +1 more source

[Pediatric supraglottic laryngeal hamartoma: a case report and literature review]. [PDF]

open access: yesLin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi, 2023
Wan W, Wang Z.
europepmc   +1 more source

[Efficacy of the far lateral Key-hole technique in the treatment of central cervical disc herniation]. [PDF]

open access: yesZhong Nan Da Xue Xue Bao Yi Xue Ban
Meng Z   +6 more
europepmc   +1 more source

[Efficacy and survival outcomes of patients with lymphocytic variant hypereosinophilic syndrome]. [PDF]

open access: yesZhonghua Xue Ye Xue Za Zhi
Qu SQ   +10 more
europepmc   +1 more source

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