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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...
Correlations between silt density index, turbidity and oxidation-reduction potential parameters in s
[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
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[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...
Mesophyll thickness and sclerophylly among Calotropis procera morphotypes reveal water-saved adaptat
[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...
A Pragmatic Approach to Coping with Matrix Effects during ICP-MS Analysis of Trace Elements in Silic
[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...
Eco-physiological studies on desert plants: germination of Halothamnus iraqensis Botsch. seeds under
[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...
Geochemical characteristics from tests of four modern planktonic foraminiferal species in the Indone
[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...
Numerical Treatment of Initial Value Problems of Nonlinear Ordinary Differential Equations by Duan-R
[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...
Abstraction and operator characterization of fractal ladder viscoelastic hyper-cell for ligaments an
[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...
Early Cambrian syndepositional structure of the northern Tarim Basin and a discussion of Cambrian su
[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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