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[期刊论文] 作者:M?LLER Michael, 来源:广西科学 年份:2019
近年来,中国发现了越来越多的新物种.本研究以苦苣苔科为例,从历史的角度和调查的动态趋势来探讨这些工作,进一步研究物种发现率随时间的变化趋势.目前已知中国分布的苦苣苔...
[期刊论文] 作者:卡梅隆·M·史密斯, 来源:科海故事博览·中旬刊 年份:2019
“亚特兰蒂斯”号航天飞机在2011年退役,这并没有像某些人忧虑的那样,成为人类太空飞行事业的终结。相反,正如恐龙的灭绝给早期哺乳动物的繁盛提供了机会,“亚特兰蒂斯”号航天飞机的退役,也给人类太空探索带来了更广阔的前景。在雄心勃勃的私营公司的引领下,一个向地......
[期刊论文] 作者:G.HERNANDEZ-CUEVAS,J.R.LEYVA M, 来源:先进陶瓷(英文版) 年份:2019
In the search of lead-free piezoelectric materials,ceramic processing techniques offer potential tools to increase the piezoelectric and ferroelectric propertie...
[期刊论文] 作者:By Peter M Herford, 来源:Beijing Review 年份:2019
Xi Jinping: The Governance of China is a massive compilation of the speeches, writings and more importantly, the philosophy of a difficult concept: socialism with Chinese characteristics.  My advantag...
[期刊论文] 作者:Sarah M McKim,, 来源:Journal of Integrative Plant Biology 年份:2019
A plants lateral structures, such as leaves,branches and flowers, literally hinge on the shoot axis,making its integrity and growth fundamental to plant form.In all plants, subapical proliferation wit...
[学位论文] 作者:M RIZWAN MUSHTAQ, 来源:华北电力大学(北京)   年份:2019
由于临时故障或重负载启动导致电压下降,称为电压凹陷或电压跌落。电压暂降的最严重影响是制造过程的突然和意外中断,这可能对由配电网络馈送的客户造成显着的经济损害。调查显示,每次暂降事件成本的平均价值在2000欧元至4000欧元之间。电压暂降是一个关键问题,目前......
[学位论文] 作者:DATTATRYA M SHETTI, 来源:华南理工大学 年份:2019
乳腺癌是仅次于肺癌的第二大常见癌症,是导致妇女癌症死亡的主要原因之一。三阴性乳腺癌(TNBC)是一种侵袭性乳腺癌亚型,占乳腺癌总数的15%。血管生成和转移是乳腺癌的主要特征,而TNBC由于缺乏雌激素受体(ER)、孕激素受体(PR)和人类表皮生长因子受体2(HER2受体)而具有高......
[期刊论文] 作者:KrumholzHarlan M,RossJoseph S,OttoCatherine M,季媛媛(译者), 来源:英国医学杂志中文版 年份:2019
Harlan M Krumholz和Joseph S Ross认为,在未经同行评议的情况下,尽早发表研究成果能加速知识传播并改变临床实践。Catherine M Otto却担心无质量控制的出版物可能混淆视听且有损患者健康。......
[期刊论文] 作者:Malgorzata Szlendak,Wojciech M, 来源:老年心脏病学杂志:英文版 年份:2019
The launch of non-VKA oral anticoagulants (NOACs) caused revolution in thrombosis prevention, which was mainly due to their safety and simplicity in treatment w...
[期刊论文] 作者:Lorena Sáez-Carramolino,M, 来源:交通与运输工程:英文版 年份:2019
As of 2020,shipping companies will have to use low-sulphur fuels to comply with current international regulations set out in Annex VI of the MARPOL Agreement(re...
[期刊论文] 作者:Diego Enrique Lozano-Carmona,M, 来源:地质学期刊(英文) 年份:2019
Anomozamites is a fossil-genus of leaf attributed to the Bennettitales, with a distribution mainly in the Kingdom of Laurasia and a stratigraphic range of the U...
[期刊论文] 作者:Georgios Ntelis,Stavropoulou M, 来源:地球科学和环境保护期刊(英文) 年份:2019
Nowadays, natural hazards constitute an integral part in the everyday reality of people’s lives. A landslide event, although usually occurring at a low frequen...
[期刊论文] 作者:Afranio Ferreira Evangelista,M, 来源:中国神经再生研究:英文版 年份:2019
Stem cells are considered as key therapeutic tools in the field of regenerative medicine. In the last decade, based on a growing body of knowledge about their m...
[期刊论文] 作者:Weronika Gorczyk,Christopher M, 来源:地学前缘:英文版 年份:2019
:Reactivation of metasomatized mantle lithosphere may occur during continental extension,which is an important component of plate tectonics.The lower most part...
[期刊论文] 作者:Francisco Quinonero,Cristina M, 来源:癌症生物学与医学:英文版 年份:2019
Pancreatic ductal adenocarcinoma(PDAC)has one of the highest mortality rates among all cancer types.Its delayed diagnosis precludes curative resection,thus most...
[期刊论文] 作者:Chau T M Cao, 来源:美中教育评论:A 年份:2019
It has been a long argument about the efficiency of non-formal education(NFE)regarding the plan to achieve education for all(EFA).It is undeniable that formal s...
[期刊论文] 作者:M.C.G.Ooi,A.Chan,M.J.Ashfold,M, 来源:地学前缘:英文版 年份:2019
The modification of land use is known to be a major climate change driver to the local warming and air quality in cities.Despite the reduction of NOx over the y...
[期刊论文] 作者:BernabéM Quesada,Adelina, 来源:世界胃肠外科杂志:英文版(电子版) 年份:2019
Paraesophageal hernia(PEH)repair is one of the most challenging upper gastrointestinal operations.Its high rate of recurrence is due mostly to the low quality o...
[期刊论文] 作者:Alexandra Alexopoulou,Iliana M, 来源:世界肝病学杂志:英文版(电子版) 年份:2019
BACKGROUND Idiopathic non-cirrhotic portal hypertension(INCPH)is mainly associated with thrombophilia in Western countries.Paroxysmal nocturnal hemoglobinuria(P...
[期刊论文] 作者:María M Adeva-Andany,Eva, 来源:世界糖尿病杂志:英文版(电子版) 年份:2019
Insulin resistance is associated with subclinical vascular disease that is not justified by conventional cardiovascular risk factors,such as smoking or hypercho...
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