Results 71 to 80 of about 9,275 (119)

基于图像特征提取的低气压介质阻挡放电均匀性表征研究

open access: yesGaoya dianqi
近年来,介质阻挡放电(dielectric barrier discharge,DBD)的均匀放电模式在工业等领域具有较大的应用潜力。通过提取DBD放电图像的特征,提出了周向环差法和径向极差法两种方法对低气压DBD的放电均匀性进行判别,并利用极差值与环差值表征DBD放电均匀程度,给出了不同电压、频率、气压参数条件下DBD放电均匀性的演化规律,验证了周向环差法和径向极差法在评价DBD放电均匀性方面的适用性。结果表明:当周向DBD放电均匀性降低时,放电图像的环差值将显著升高;当径向DBD放电均匀性降低时 ...
杨昊   +5 more
doaj  

[Modified anterior subcutaneous internal fixation versus open reduction and plate fixation in treatment of pubic symphysis diastasis]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Ye L   +7 more
europepmc   +1 more source

[Petroleum ether fraction of <i>Myrica nana</i> roots relieves spasmodic abdominal pain in mice by inhibiting intestinal smooth muscle spasm]. [PDF]

open access: yesNan Fang Yi Ke Da Xue Xue Bao
Yang S   +8 more
europepmc   +1 more source

[A case of <i>Bartonella henselae</i> meningitis characterized by bone marrow hemophagocytosis]. [PDF]

open access: yesZhongguo Dang Dai Er Ke Za Zhi
DU WQ   +6 more
europepmc   +1 more source

[Efficacy of intravenous thrombolysis beyond 4.5 to 24 hours in patients with isolated posterior circulation acute ischemic stroke]. [PDF]

open access: yesZhejiang Da Xue Xue Bao Yi Xue Ban
Wang J   +8 more
europepmc   +1 more source

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