5a–d). Inspection of the better resolved S-3C1-F3b structure revealed that the epitope involves mainly the β2-strand (T376 to C379) and loop380–385 in the core region of RBD, and a small portion of RBM loop501–506 (Fig. 5h and Supplementary Table 3). This observation is ...
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事实上,大约从635-518 Ma期间,地球经历了一段波澜壮阔的生命演化进程,集中体现于埃迪卡拉纪生物群及众所周知的“寒武纪生命大爆发”。埃迪卡拉纪生物群以圆盘状、叶片状、球状等宏体软体生物为特征,以Avalon生物群(～571–566 Ma)、White Sea生物群 (～560–550 Ma)、灯影组石板滩/高家山段生物群(<551-540 ...
这一发现是吴明红教授团队和方海平教授团队继他们在2017年“通过离子控制石墨烯氧化膜层间距实现离子筛分[Nature,2017,550,380]”取得重大突破后的又一创新性研究成果。 在溶液中,由于离子的水合,阳离子与富含π电子的芳香环之间的离子-π作用曾被普遍认为比较小,甚至可以忽略不计。考虑到溶液中的多离子效应和表面上...
(特殊普通合伙) 北京市东城区永定门西滨河路 8 号院 7 号楼中海地产广场西塔 5-11 层 2019 年 3 月 27 日 周伟,陈兴冬 否 3 380,000.00 审计报告 瑞华审字【2019】91010043 号 杭州大自然科技股份有限公司全体股东: 一,审计意见 我们审计了杭州大自然科技股份有限公司(以下简称"杭州大自然公司")财务报表...
图6.GO膜表面形貌以及未经过K+插层以及经过K+插层GO的对各种离子的筛分性能参考文献:Chen, L., Shi, G., Shen, J., Peng, B., Zhang, B., Wang, Y., Fang, H. (2017). Ion sieving in graphene oxide membranes via cationic control of interlayer spacing. Nature, 550(7676), 380–383.原文链...
sh-550–8 mineralized limestone Devonian Donggangling Fm (upper) −550 −4.05 17.99 −12.54 sh-550–9 mineralized limestone Devonian Donggangling Fm (upper) −550 −2.68 21.57 −9.06 sh-600–2 mineralized limestone Devonian Donggangling Fm (upper) −600 −3.85 18.75 −11.79 sh...
Received: Aug 2, 2016 Accepted: Feb 5, 2017 Published: Jun 27, 2017 https://doi.org/10.1051/0004-6361/201629463 Keywords Export|Email| Rating 19 Citations 8 Altmetric 61 Article access Article metrics Abstract We present the nature of 50 hard X-ray emitting objects unveiled through an optic...
Rhod. i. 550, ii. 711; Ov. Her. xx. 221; Virg. Eclog. vi. 56.)3. Nymphs of forests, groves, and glens, were believed sometimes to appear to and frighten solitary travellers. They are designated by the names Alsêïdes, Holêôroi, Aulôniades, and Napaiai. (Apollon. Rhod. ...
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