Since ancient times, the Chinese government has always attached a great deal of importance to food security . However, t......

A novel polyhedral oligomeric silsesquioxane(POSS)-based organic-inorganic hybrid nanocomposite(EF-POSS) was prepared by......

The National Working Committee on Children and Women (NWCCW)’s office has, in recent years, attached great importance, ......

The Changxing(长兴) Formation has two sequences(sq1 and sq2) in the Panlongdong(盘龙洞) Section,Xuanhan(宣汉),northeaste......

根据旋翼振动载荷分析需求，基于Leishman—Beddoes动态失速模型和翼型的风洞试验数据，进行翼型的非定常气动特性的建模和模型验证研......

探讨血管化骨膜-结缔组织夹层（ VIP-CT）瓣联合引导骨再生（ GBR）技术在前牙美学区种植中的应用,15例患者应用VIP-CT瓣联合GBR技术修复缺......

用ＣＯＬＯＣ技术并结合＾１Ｈ－＾１ＨＣＯＳＹ谱对线型二氢吡喃香豆素类化合物Ｐｄ－Ｃ－Ｉ的化学结构进行了深入研究，证实该类化合物酰基连接位置可用ＣＯＬＯＣ谱确定，这对这类化合物的结......