Results 131 to 140 of about 31,792 (238)
Gaoya dianqi, 2010 提出一种应用数学形态学的方法对现场信号进行消噪处理,对消噪后的信号,利用信号的相关分析推算出阻性基波泄漏电流。有效提高了金属氧化物避雷器泄漏电流的测试准确度,确保设备故障诊断的有效性和可靠性,仿真表明:与传统方法相比,数学形态学方法不仅能从噪声中准确提取待测泄漏电流信号,同时又可真实复现泄漏电流信号中的劣化特征,对设备的早期故障诊断具有重要意义。
蔡晓波, 石佳, 陈小毓
doaj
Zhongguo shiyan zhenduanxue, 2006 目的探讨无水乙醇、乙酸和盐酸消融肝脏后的动态病理变化。方法向大鼠肝脏内注射不同消融剂后分别在不同时间段处死后取肝脏,制作病理切片,用光学显微镜观察各消融剂作用后的动态变化和各自特点。结果几种消融剂作用肝脏后均产生凝固性坏死,无水乙醇作用后的坏死灶边界不清,形态不规则,周围纤维包膜形成缓慢。乙酸、盐酸消融后坏死彻底,边界较清晰,相比之下盐酸造成组织坏死的形态更规则,边界更清晰,纤维包膜形成早且完整。结论盐酸作为化学消融剂作用类似于乙酸,但在临床应用中其安全性和可控性远高于无水乙醇和乙酸。
李玉, 张海波, 王宁, 宋福林
doaj
[Three-dimensional morphological analysis of posed smile]. [PDF]
Beijing Da Xue Xue Bao Yi Xue BanXiao Y, Mao B, Zhou Y.
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[Morphological classification of postero-superior protuberance of calcaneus and its relationship with Haglund deformity]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiZhang L +7 more
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[Effect of disc morphological features and disc-condyle angles on conservative treatment for anterior disc displacement with reduction]. [PDF]
Hua Xi Kou Qiang Yi Xue Za ZhiSong J, Xiao Q, Cen X.
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Three-dimensional finite element feature analysis of the mandible and morphology and position of temporomandibular joint in patients with unilateral and bilateral molar scissor bite. [PDF]
Hua Xi Kou Qiang Yi Xue Za ZhiChu T, Zhang X, Wang H, Ma H, Liu Y.
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