varia相关论文
病史摘要患儿,女童,11个月,因"运动发育迟缓半年"就诊。症状体征入院时体格检查:皮肤无咖啡斑及色素脱失斑,心、肺听诊无异常,腹部膨隆,无......
为明晰扁蓿豆[Medicago ruthenica(Linn.)Trautv.]和苜蓿(Medicago varia Martin.)种子萌发期的抗旱性和耐盐性强弱,以不同浓度的......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Ballistic missile defense system(BMDS) is important for its special role in ensuring national security and maintaining s......
目的 探讨乙型肝炎表面抗原(HBsAg)和表面抗体(HBsAb)共阳性患者乙肝病毒S基因区氨基酸变化特点,了解分子病毒学特征.方法 对26例H......
The mechanism and dynamical properties for the reaction of HCCO radicals with NO were investigated theoretically. The mi......
针对地区电网220 kV线路线损率数据呈现波动、非平稳的情况,为提高线损率预测精度,使用变分模态分解(variational mode decomposit......

