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[期刊论文] 作者:LUO Ying,Andrew Alexandrovich LOBANOV,HUI Fengming,Sergei Vasilevich ANDRONOV,Lidiya Petrovna LOBANOVA, 来源:极地科学进展(英文版) 年份:2021
The business of the Arctic has received increased attention owing to climate change. However, resource development and the use of waterways threaten the fragile...
[期刊论文] 作者:Paul D.Hartley,Richard L.Tillett,David P.AuCoin,Joel R.Sevinsky,Yanji Xu,Andrew Gorzalski,Mark Pandori, 来源:遗传学报 年份:2021
Patients with signs of COVlD-19 were tested through diagnostic RT-PCR for SARS-CoV-2 using RNA extracted from the nasopharyngeal/nasal swabs.To determine the va...
[期刊论文] 作者:LUO Ying,Andrew Alexandrovich LOBANOV,HUI Fengming,Sergei Vasilevich ANDRONOV,Lidiya Petrovna LOBANOVA, 来源:Advances in Polar Science 年份:2021
The business of the Arctic has received increased attention owing to climate change. However, resource development and the use of waterways threaten the fragile Arctic ecology. The indigenous people o...
[期刊论文] 作者:m,Andrew Steer,Dominic Waughray,Caroline Zimm, 来源:国家科学评论(英文版) 年份:2021
The 2015 Paris Agreement to keep global warming well below 2℃above pre-industrial levels and aim towards limiting warming to 1.5℃marked a wa-tershed in planetary governance,for two reasons.First,of course,it set an explicit,quantitative t......
[期刊论文] 作者:Yue GAO,Zihang SONG,Han ZHANG,Sean FULLER,Andrew LAMBERT,Zhinong YING,Petri M(A)H(O)NEN,Yonina ELDAR,, 来源:计算机科学前沿 年份:2021
1 IntroductionrnThe fact that the spectrum resource is underutilised in cer-tain bands has motivated the dynamic spectrum access (DSA)approach,which enables unlicensed secondary users (SUs)equipped with cognitive radio (CR) devices to acces......
[期刊论文] 作者:,Sebastian Gebauer,Andrew L.Hipp,Matthias H.Hoffmann,Modesto Luce?, 来源:植物分类学报 年份:2021
Carex section Phacocystis(Cyperaceae)is one of the most diverse and taxonomically complex groups of sedges(between 116 and 147 species),with a worldwide distribution in a wide array of biomes.It has a very complicated taxonomic history,with......
[期刊论文] 作者:Global Carex Group,Eric H.Roalson,Pedro Jiménez-Mejías,Andrew L.Hipp,Carmen Benítez-Benítez,Leo P.Bruederle, 来源:植物分类学报 年份:2021
Phylogenetic studies of Carex L.(Cyperaceae)have consistently demonstrated that most subgenera and sections are para-or polyphyletic.Yet,taxonomists continue to use subgenera and sections in Carex classification.Why?The Global Carex Group(G......
[期刊论文] 作者:Monica Taljaard,John Wiggers,Rachel Sutherland,Nicole Nathan,Christopher M Williams,Melanie Kingsland,Andrew, 来源:英国医学杂志中文版 年份:2021
实施科学是一门研究方法的学科,旨在实践和政策中促进循证干预措施的系统实施,进而改善健康。尽管实施研究需要高质量的证据,但实施策略的随机试验往往存在较为严重的局限性。这些局限性包括存在偏倚风险、缺乏理论运用、缺乏描述实施策略标准术语、局限于实施结局......
[期刊论文] 作者:Weicheng Zang,Cheongho Han,Iona Kondo,Jennifer C.Yee,Chung-Uk Lee,Andrew Gould,Shude Mao,Leandro de Almeida, 来源:天文和天体物理学研究 年份:2021
We report the discovery of KMT-2020-BLG-0414Lb,with a planet-to-host mass ratio q2 =0.9-1.2 × 10-5 =3-4 q⊕ at 1σ,which is the lowest mass-ratio microlensing planet to date.Together with two other recent discoveries (4 ≤ q/q⊕ ≤ 6),it f......
[期刊论文] 作者:ShuTao Yao,ZongShun Yue,QuanQi Shi,Alexander William Degeling,HuiShan Fu,AnMin Tian,Hui Zhang,Andrew, 来源:地球与行星物理(英文) 年份:2021
Kinetic-scale magnetic holes (KSMHs) are structures characterized by a significant magnetic depression with a length scale on the order of the proton gyroradius...
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