Search Results - "王彦芳"
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焦虑型与忧郁型抑郁障碍患者事件相关电位N400的比较研究
Published in 中国全科医学 (2022)“…R749.4; 背景 重性抑郁障碍(MDD)包含多种亚型,目前亚型区分多基于症状学特征,缺乏客观的生物学指标.目的 探究不同抑郁亚型患者事件相关电位(ERP)N400的差异,为抑郁亚型分型提供客观电生理依据.方法…”
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黄河流域多源遥感土地覆被数据精度评价与一致性分析
Published in 中国生态农业学报(中英文) (01-06-2023)“…P237; 开源、多分辨率、及时的土地覆盖产品为了解全球地表覆盖状况、陆面过程模型模拟以及社会经济发展决策等提供了丰富的数据支撑,但多源的数据存在不同程度的不确定性,在区域尺度如何选择合适的土地覆被产品成为应用中的难题.本研究以黄河流域为例,对分辨率从30 m到1000…”
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基于ESTARFM NDVI的察汗淖尔流域灌溉耕地提取方法研究
Published in 中国生态农业学报(中英文) (01-06-2021)“…TP79; 运用遥感精准识别技术提取灌溉耕地可以为区域内农业耗水管理提供关键数据支持,但受限于遥感数据的时空分辨率,对于光谱特性相似容易混淆的灌溉耕地作物识别有一定难度.为此,本研究通过增强型自适应反射率时空融合模型(Enhanced Spatial and Temporal Adaptive Reflectance…”
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Cu-Zr-Al-Sm非晶合金的γ射线屏蔽性能研究
Published in 核技术 (2015)“…采用铜模吸铸法制备了(Cu50Zr45Al5)100-xSmx(x=0,1,2,3,4)板状合金试样。用差热扫描量热分析(Differential scanning calorimetry,DSC)、差热分析(Differential thermal analysis,DTA)和X射线衍射分析(X-ray…”
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重性抑郁障碍患者躯体症状与脑源性神经营养因子和炎性因子的相关性研究
Published in 中国全科医学 (01-04-2023)“…R749.42; 背景 大量证据表明抑郁障碍患者的躯体症状的风险比正常人高,但躯体易感性的机制尚不明确.部分研究认为前者脑源性神经营养因子前体(ProBDNF)、炎性因子水平比正常人高,而这是否与伴随的躯体症状有关还没有明确的结论.目的…”
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Densities and Viscosities of the Ionic Liquid [C4mim][PF6]+ N,N-dimethylformamide Binary Mixtures at 293.15 K to 318.15 K
Published in Chinese journal of chemical engineering (01-04-2008)“…Viscosities and densities for 1-butyl-3-methylimidazolium hexafluorophosphate ([C4mim][PF6]) and N, N-dimethylformamide (DMF) binary mixtures have been…”
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Anatomical Basis and Clinical Research of Pelvic Autonomic Nerve Preservation with Laparoscopic Radical Resection for Rectal Cancer
Published in Journal of Huazhong University of Science and Technology. Medical sciences (01-04-2016)“…The clinical effect of laparoscopic rectal cancer curative excision with pelvic autonomic nerve preservation(PANP) was investigated. This study evaluated the…”
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Preparation and Properties of Diesel Oil Microemulsified Acid
Published in Chinese journal of chemical engineering (01-04-2008)“…The microemulsified acid system composed by diesel oil, hydrochloric acid and emulsifier was investi- gated in this paper. The stability of microemulsified…”
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