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[学位论文] 作者:OKKY TRIANA,,
来源:北京化工大学 年份:2019
铂是一种在催化反应中有广泛应用的贵金属。由于其优异的催化性能,Pt的需求量非常大。然而,地壳中铂的含量非常有限。因此,降低Pt的用量来达到相同催化效果的研究至关重要。本论文主要从以下两个方面进行了铂基催化剂的研究:1.以不同的合成路线成功地合成了单原......
[期刊论文] 作者:Andres Palacio-Fierro,
来源:旅游与酒店管理:英文版 年份:2019
Globally,tourism has been growing annually despite more threats of terrorist acts.In the same way,educational tourism and schools that teach Spanish as a foreig...
[期刊论文] 作者:ANDRES PASTRANA,
来源:今日中国:英文版 年份:2019
ACCORDING to the United Nations, half of the world’s population already lives in cities, with that proportion estimated to increase to 66 percent by 2050. If w...
[期刊论文] 作者:Andres Montiel,
来源:模型世界 年份:2019
2A型U型潜艇(下文简称:U艇)是在第二次世界大战爆发前秘密研发的。一共有50艘不同改型的2型U艇被建造,其中6艘为2A型。它们都在1935年开始服役,并且经历了整个二战。...
[期刊论文] 作者:Sriharan Selvaratnam,Santiago,
来源:世界胃肠病学杂志:英文版 年份:2019
BACKGROUND The worldwide epidemiology of inflammatory bowel disease(IBD)is rapidly changing.Increasing Crohn’s disease(CD)and ulcerative colitis(UC)incidence a...
[学位论文] 作者:EDISON ANDRES TERAN,,
来源:上海外国语大学 年份:2019
ue*M#’#dkB4##8#”专利申请号:00109“7公开号:1278062申请日:00.06.23公开日:00.12.27申请人地址:(100084川C京市海淀区清华园申请人:清华大学发明人:隋森芳文摘:本发明属于生物技...
[期刊论文] 作者:Andres Montiel-Ruben Gonzaiez,
来源:模型世界 年份:2019
我觉得大家应该都喜欢船只吧,或许吸引我们的只是模型船上精美的涂装和高超的制作技巧。大多数时候看到这类作品,我们都会激动得浑身起鸡皮疙瘩。...
[期刊论文] 作者:Pedro Beltrame,Santiago Rodrig,
来源:世界肝病学杂志:英文版(电子版) 年份:2019
BACKGROUND The impact of platelets on liver transplantation (LT) is well recognized, but not completely understood. Platelets exert dichotomous effects on the g...
[学位论文] 作者:RIANO RODRIGUEZ DANILO ANDRES(,
来源:上海外国语大学 年份:2019
本文的研究对象是哥伦比亚等南美地区的初级汉语学习者,通过详细了解他们的汉语学习现状以及南美地区汉语教学中实际存在的问题,我们发现,在任务型教学法理念的指导下,基于互...
Neuromodulation and ablation with focused ultrasound– toward the future of noninvasive brain therapy
[期刊论文] 作者:Anton Fomenko,Andres M.Lozano,
来源:中国神经再生研究:英文版 年份:2019
With an aging patient population and an increased burden of neurological disease,the demand for noninvasive alternatives to open neurosurgical procedures is imp...
[期刊论文] 作者:Fernando Matias ROMERO,Andres,
来源:水稻科学:英文版 年份:2019
Rice(Oryza sativa L.)is an important staple food crop worldwide due to its adaptability to different environmental conditions.Because of its great economic and...
Impacts of fire severity and cattle grazing on early plant dynamics in old-growth Araucaria-Nothofag
[期刊论文] 作者:Paola Arroyo-Vargas,Andres Fue,
来源:森林生态系统:英文版 年份:2019
Background: Fire has historically shaped the dynamics of Araucaria araucana-Nothofagus pumilio forests in the Andean region of South America. Nevertheless, huma...
Mineralogy of a Radioactive-Rare Earth Elements Occurrence in the Paleozoic Batholith, South-Central
[期刊论文] 作者:Santiago Collao,Fredy Stange,L,
来源:地球科学国际期刊(英文) 年份:2019
South-central Chile has some potential mineral resources including radioactive and rare earth elements (REE) minerals. This study reports some basic characteris...
[期刊论文] 作者:Mike Hales,Andres Mendoza Pena,
来源:科技中国 年份:2019
2019年5月30日(北京),国际管理咨询公司科尔尼发布2019全球城市指数报告,揭晓了全球最具竞争力的城市和全球最具发展潜力的城市,并指出决定城市竞争力的最大差异化因素是:“...
Neuromodulation and ablation with focused ultrasound - toward the future of noninvasive brain therap
[期刊论文] 作者:Anton Fomenko,Andres M. Lozano,
来源:中国神经再生研究(英文版) 年份:2019
With an aging patient population and an increased burden of neu-rological disease, the demand for noninvasive altatives to open neurosurgical procedures is impe...
[期刊论文] 作者:Maria Karbon,Santiago Belda,Tobias Nilsson,,
来源:Geodesy and Geodynamics 年份:2019
Currently three up-to-date Terrestrial Reference Frames(TRF) are available, the ITRF2014 from IGN, the DTRF2014 from DGFI-TUM, and JTRF2014 from JPL. All use the identical input data of space-geodetic...
Impacts of fire severity and cattle grazing on early plant dynamics in old-growth Araucaria-Nothofag
[期刊论文] 作者:Paola Arroyo-Vargas,Andres Fuentes-Ramírez,Bart Muys,Aníbal Pauchard,
来源:城市道桥与防洪 年份:2019
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、测量监控等方面人手,介绍了S226海滨大桥...
,Systematic exploration of signal-based indicators for failure diagnosis in the context of cyber-phy
[期刊论文] 作者:Santiago RUIZ-ARENAS,Zoltán RUSáK,Imre HORVáTH,Ricardo MEJí-GUTIERREZ,
来源:信息与电子工程前沿(英文版) 年份:2019
Malfunction or breakdown of certain mission critical systems (MCSs) may cause losses of life, damage the environments, and/or lead to high costs. Therefore, rec...
The subduction of the Copiapó aseismic ridge,is the causing of the formation of metallic minerals de
[期刊论文] 作者:Mario Gimenez,Gemma Acosta,Orlando Alvarez,Agustina Pesce,Federico Lince Kinger,Andres Folguera,,
来源:Geodesy and Geodynamics 年份:2019
The results obtained in this work evince that the metallic mineral deposits located in the northern region of the Chilean-Pampean flat slab(in northern Chile and north-western Argentina),at approximat...
[期刊论文] 作者:Cobo,Olivia García-Suárez,Juan Cobo,Santiago Cal,álvaro J. Obaya,
来源:癌症转移与治疗(英文版) 年份:2019
Aim: Fibulins and ADAMTSs are two families of extracellular matrix proteins implicated in key functional and pathological processes. The fact that the fibulin-1...
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