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[学位论文] 作者:Nicholas G.Konway, 来源:南京农业大学 年份:2021
长江下游镇江江段是鱼类种群密集、资源丰富、种类多样、珍稀水生动物广布的江段,大量经济鱼类在此集中产卵,同时也是我国主要经济和珍稀洄游鱼类在生活史过程中产卵、索饵和越冬洄游的必经之道,因此其渔业地位十分重要,历来是我国主要的天然渔业场所。20世纪90......
[学位论文] 作者:Nicholas Rimamnde Yerima, 来源:天津大学 年份:2021
In a global context,about 36%of the final energy usage and carbon dioxide(CO_2)emissions of almost 40%is recorded by the buildings sector.Due to this fact and the ongoing energy scarcity in Nigeria,th...
[期刊论文] 作者:Nicholas J.Lambert,Harald G.L.Schwefel, 来源:光:科学与应用(英文版) 年份:2021
The intra-cavity electro-magnetic field distribution in a microdisk resonator can be visualised by inducing a phase shift via a scanning probe beam....
[期刊论文] 作者:Nicholas V Mendez,Yehuda Raveh, 来源:世界移植杂志 年份:2021
BACKGROUND There is an abundant need to increase the availability of deceased donor kidney transplantation(DDKT)to address the high incidence of kidney failure....
[期刊论文] 作者:Nicholas Belesis,Nansy Karali,Christina Heliotis, 来源:管理研究:英文版 年份:2021
This paper focuses on a common problem for entrepreneurs and investors:the uncertainty around the actual tax rate,which is the percent of net income that a corporation pays in taxes.This uncertainty results from a difference(i.e.,a gap)betw......
[期刊论文] 作者:白锐,苏琳,Nicholas S.Brasovan, 来源:上海大学学报:社会科学版 年份:2021
风险社会治理研究需要从基础理论上加以把握。可借鉴福柯治理态理论,分析基于现代性的风险社会特征,以新的角度对国家治理作宏观与动态理解,从而寻求达成风险社会治理的一般性理论。治理态理论主张现代国家治理是基于国家理性且根本目标在于规避不确定性的专业......
[期刊论文] 作者:Nicholas Daniel Otieno,Olanrewaju Isola Fatoki, 来源:宏观管理与公共政策(英文) 年份:2021
The objective of this study was to analyse the effect of donor funding on the performance of water utilities in Kenya.The study employed the use of a census by targeting all 88 regulated Water Services Providers(WSPs)in Kenya for a period o......
[期刊论文] 作者:Andrew J Barbour,Nicholas M Beeler, 来源:地球与行星物理(英文版) 年份:2021
Connecting earthquake nucleation in basement rock to fluid injection in basal, sedimentary reservoirs, depends heavily on choices related to the poroelastic properties of the fluid-rock system, thermo-chemical effects notwithstanding. Direc......
[期刊论文] 作者:Kathleen S.DUNNE,Nicholas M.HOLDEN,Karen DALY,, 来源:Pedosphere 年份:2021
Knowledge of phosphorus(P) sorption dynamics across different soil types could direct agronomic and environmental management of P. The objective of this study was to predict P isotherm parameters for...
[期刊论文] 作者:尼古拉斯·贾辛斯基(Nicholas Jasinski), 来源:财经 年份:2021
绘图/《巴伦周刊》  2021年对美股市场来说是激动人心的一年,在货币和财政刺激措施、经济和上市公司利润增长以及疫情有所消退的推动下,标普500指数已经上涨了20%。在此期间,该指数连续七个月实现上涨,并创下了50多个新高。此外,标普500指数已经从2020年3月的低点......
[期刊论文] 作者:Daniel Wilson,Matthew Driller,Ben Johnston,Nicholas Gill, 来源:运动与健康科学(英文版) 年份:2021
Purpose:The aim of this study was to evaluate the efficacy of a 17-week, 3-component lifestyle intervention for enhancing health behaviors during the coronaviru...
[期刊论文] 作者:Nicholas J.Gingerysty,Charles A.Odame-Ankrah,Nick Jordan,Hans D.Osthoff, 来源:环境科学学报(英文版) 年份:2021
The reference method to quantify mixing ratios of the criteria air pollutant nitrogen diox-ide (NO2) is NO-O3 chemiluminescence (CL), in which mixing ratios of nitric oxide (NO) are measured by sampling ambient air directly, and mixing rati......
[期刊论文] 作者:田恩庆,姜凯笑,Nicholas Wise, 来源:成都体育学院学报 年份:2021
通过学术访谈的形式,英国拉夫堡大学Alan Bairner教授深入讨论了体育与政治研究领域的基本特质、理论方法运用以及各种挑战等问题。他认为,体育与政治研究具有跨学科的属性,而他自己是从事该领域研究的“社会(科)学家”;在开展体育与政治研究的过程中,需要批判......
[期刊论文] 作者:Qian Liu,Kun Wu,Nicholas P.Harberd,Xiangdong Fu, 来源:分子植物(英文版) 年份:2021
The Green Revolution (GR) of the 1960s saw spectacular increases in cereal crop yields, enabled by widespread adoption of high-yielding semi-dwarf varieties and...
[期刊论文] 作者:Sutapa Ghosh,Nicholas Rivera,Gadi Eisenstein,Ido Kaminer, 来源:光:科学与应用(英文版) 年份:2021
Entangled photon pairs are a fundamental component for testing the foundations of quantum mechanics, and for modern quantum technologies such as teleportation a...
[期刊论文] 作者:田恩庆,姜凯笑,Nicholas Wise, 来源:成都体育学院学报 年份:2021
通过学术访谈的形式,英国拉夫堡大学Alan Bairner教授深入讨论了体育与政治研究领域的基本特质、理论方法运用以及各种挑战等问题.他认为,体育与政治研究具有跨学科的属性,而他自己是从事该领域研究的“社会(科)学家”;在开展体育与政治研究的过程中,需要批判性......
[期刊论文] 作者:Nicholas J.P.Wawryk,Caley B.Craven,Lindsay K.Jmaiff Blackstock,Xing-Fang Li, 来源:环境科学学报(英文版) 年份:2021
Disinfection byproducts(DBPs)represent a ubiquitous source of chemical exposure in disin-fected water.While over 700 DBPs have been identified,the drivers of to...
[期刊论文] 作者:Peter Nicholas Lee,Janette S Hamling,Katharine Jane Coombs, 来源:世界荟萃分析杂志 年份:2021
BACKGROUND Previous meta-analyses related smoking to death or severe infection from coronavirus disease 2019(COVID-19)in hospitalized patients,but considered only a few studies,did not adjust for demographics and comorbidities,and inadequat......
[期刊论文] 作者:Ioanna Koniari,Eleni Artopoulou,Dimitrios Velissaris,Nicholas Kounis,Grigorios Tsigkas, 来源:老年心脏病学杂志:英文版 年份:2021
Heart failure(HF)and atrial fibrillation(AF)demonstrate a constantly increasing prevalence during the 21st century worldwide,as a result of the aging population...
[期刊论文] 作者:JIN Cang-yu,Retsef LEVI,LIANG Qiao,Nicholas RENEGAR,ZHOU Jie-hong, 来源:农业科学学报:英文版 年份:2021
Supply chain traceability is key to reduce food safety risks,since it allows problems to be traced to their sources. Moreover,it allows regulatory agencies to understand where risk is introduced into the supply chain,and offers a major disi......
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