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[期刊论文] 作者:M.Gaber Zaky,Ahmed M.Abdalla,R, 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...
[期刊论文] 作者:Seyed Mohammad Hossein Fayaz,R, 来源:水科学与水工程 年份:2019
The reverse osmosis method is one of the most widely used methods of seawater desalination at present. Hydrophilic and desalting membranes in reverse osmosis sy...
[期刊论文] 作者:爱德华·R·威尔逊 王志成, 来源:科普童话·百科探秘 年份:2019
“鬼魂”真的存在吗?在科学发达的今天,却依然时有神秘现象出坝。为丁揭开这些末解之谜,科学爱好者们前赴后继地走上了研究的道路……花岗岩也会“闹鬼”?  四十多年前,苏格兰游览胜地莱拉湖旁的一座古堡中经常“闹鬼”,人们不但在古堡的楼梯、阳台和房间中听到莫名......
[期刊论文] 作者:ZHAN ChengBo,SHARMA Priyanka R, 来源:中国科学:技术科学英文版 年份:2019
Two different chemical methods, TEMPO-oxidation and nitro-oxidation, were used to extract carboxyl cellulose nanofibers(CNFs) from non-wood biomass sources(i.e....
[期刊论文] 作者:波·R·汉伯格, 来源:意林·少年版 年份:2019
秋天开始的时候,我和妈妈搬到了这座小城。从那以后,我一直都没有见到过爸爸。不过,今天我可以和爸爸在一起过一天。  “狄姆,焦尼来之前,你待在这里不要动!”妈妈说完,把我留在站台上就走了。我的名字叫狄姆,爸爸叫焦尼。  电车终于来了。爸爸一下车就奔了过来,然后......
[期刊论文] 作者:艾伦·R·布拉夫, 来源:天天爱科学 年份:2019
[期刊论文] 作者:Simon R Bramhall,Moustafa M Mo, 来源:世界胃肠病学杂志:英文版 年份:2019
Gastro-oesphageal reflux disease is an increasing health burden.The mainstay of treatment has conventionally been medical therapy but since the introduction of...
[期刊论文] 作者:Marcelo F POMPELLI,Keila R MEN, 来源:干旱区科学:英文版 年份:2019
Calotropis procera(Aiton)Dryand(Apocynaceae)is a native species in tropical and subtropical Africa and Asia.However,due to its fast growing and drought-tolerant...
[期刊论文] 作者:Diane R Wagner,Sonali Karnik,Z, 来源:世界干细胞杂志:英文版(电子版) 年份:2019
Successful fracture healing requires the simultaneous regeneration of both the bone and vasculature;mesenchymal stem cells (MSCs) are directed to replace the bo...
[期刊论文] 作者:Jessica R Worley,Graham C Park, 来源:世界干细胞杂志:英文版(电子版) 年份:2019
Environmental toxicants are ubiquitous,and many are known to cause harmful health effects.However,much of what we know or think we know concerning the targets a...
[期刊论文] 作者:Henderson,Paul R, 来源:地球科学和环境保护期刊(英文) 年份:2019
Operating an Agilent 7700X ICP-MS spectrometer under robust plasma conditions (1550 W) with a He-filled octopole collision cell and analysing solutions (?1 tota...
[期刊论文] 作者:Arvind BHATT,Narayana R BHAT,V, 来源:干旱区科学:英文版 年份:2019
With the aim to investigate if the halophyte Halothamnus iraqensis Botsch. can be suitable for re-vegetation and remediation of salt-affected lands, this study...
[期刊论文] 作者:Peng Zhang,Rina Zuraida,Yair R, 来源:地学前缘:英文版 年份:2019
Test geochemistry of planktonic foraminifera is an indispensable tool in reconstructing past ocean hydrological changes.It is essential to investigate region-sp...
[期刊论文] 作者:Ehsan ABDI,Hamid R SALEH,Baris, 来源:干旱区科学:英文版 年份:2019
Vegetation roots contribute to soil fixation and reinforcement, thus improving soil resistance against erosion. Generally, the amount of soil fixation presented...
[期刊论文] 作者:YU Zhiming,KONG Weihong,CHEN R, 来源:南京航空航天大学学报:英文版 年份:2019
An investigation is conducted on optimizing the control allocation for trimmed flight on the compound helicopter.The compound helicopter features a single main...
[期刊论文] 作者:mür Umut,Serpil Ya?ar, 来源:现代非线性理论与应用(英文) 年份:2019
We employ the Duan-Rach-Wazwaz modified Adomian decomposition method for solving initial value problems for the systems of nonlinear ordinary differential equat...
[期刊论文] 作者:Jianqiao GUO,Yajun YIN,Gexue R, 来源:应用数学和力学:英文版 年份:2019
This study investigates the viscoelastic behavior of soft bio-fibres in association with their fractal structures. A spring-dashpot fractal network with the sel...
[期刊论文] 作者:Jiefeng Pan,Wei Zhang,Huimin R, 来源:中国化学工程学报:英文版 年份:2019
The industrial products or wastewater rich in the mixed salts(Cl-/SO4^2-) not only causes the environmental damage, but also induces waste of resource. In this...
[期刊论文] 作者:Aslam R Syed,Payal Thakkar,Zac, 来源:世界胃肠肿瘤学杂志:英文版(电子版) 年份:2019
BACKGROUND Colorectal cancer(CRC)is the second leading cause of all cancer related deaths in the United States and Europe.Although the incidence has been decrea...
[期刊论文] 作者:GUAN Shuwei,ZHANG Chunyu,REN R, 来源:石油勘探与开发:英文版 年份:2019
Using field geological survey,drilling and seismic data,combined with the study of regional tectonic evolution and structural deformation,as well as lithologica...
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