Results 141 to 150 of about 8,589 (213)

增强TMA改性膨润土吸附性能的方法研究 [PDF]

open access: yes, 2014
朱润良   +4 more
core  

[Integrated imaging and clinical features of glottic squamous cell carcinoma of the larynx: pathological association and prognosis assessment]. [PDF]

open access: yesLin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
Zhang Y   +10 more
europepmc   +1 more source

激光制造层表面平整对Fe90合金增材层组织结构和表面硬度均匀性的影响

open access: bronze
王志龙 Wang Zhilong   +5 more
openalex   +2 more sources

斯特林型脉管制冷机中的回热器温度不均匀性研究 [PDF]

open access: bronze, 2008
M. Dietrich   +3 more
openalex   +1 more source

非均匀关联倒置针状光束大气湍流传输特性研究

open access: bronze
徐进 Xu Jin   +7 more
openalex   +2 more sources

纵隔生殖细胞肿瘤的CT表现—附40例病例报告

open access: yesZhongshan Daxue xuebao. Yixue kexue ban, 2011
【目的】分析40例纵隔生殖细胞肿瘤的CT征象,提高其CT诊断准确性。【方法】回顾性分析40例病理证实的纵隔原发生殖细胞肿瘤的CT资料,24例为畸胎瘤,16例为非畸胎类生殖细胞肿瘤,40例均行CT平扫和增强扫描,观察征象包括:发病部位,肿瘤大小,轮廓,边缘,平扫和增强扫描CT值,对于临近结构的侵犯,有无远处转移。【结果】40例肿瘤均位于前纵隔,肿瘤的最大径为5 cm~16 cm;24例畸胎瘤边界清楚,呈类圆形,CT平扫20例可见脂肪密度影和钙化,增强轻度强化,4例呈均匀水样密度,肿瘤壁薄均匀,见弧线状钙化,
doaj  

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