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[期刊论文] 作者:玛丽·R·康克林,
来源:少年博览·小学低年级 年份:2021
小海龟帕帕沿着洒满阳光的小路,缓缓朝学校爬去。今天,海狸老师要宣布上学期的获奖情况。 这时,冒失的水獭(shuǐtǎ)默默,像风一样掠(lüè)过。帕帕飞快旋转(xuánzhuǎn)起来,比陀螺(tuóluó)还要快。 “哎哟,头好晕(yūn)……”好不容易停下来的帕帕,忍不住嘟囔(dū na......
[期刊论文] 作者:r?Arl?,Orhan Gazi,
来源:中国通信(英文版) 年份:2021
The increasing data traffic rate of wire-less communication systems forces the development of new technologies mandatory. Providing high data rate, extremely lo...
[期刊论文] 作者:Fanshawe Thomas R,Vazquez-Montes Maria,
来源:英国医学杂志中文版 年份:2021
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News and Views on “J.L.Han,et al.,RAA 2021 Vol.21 No.5,107:The FAST Galactic Plane Pulsar Snapshot s
[期刊论文] 作者:R N Manchester,James M.Cordes,
来源:天文和天体物理学研究 年份:2021
The newly commissioned Chinese radio telescope known as FAST is the most sensitive radio telescope in the world.The name FAST derives from its full title “Five-hundred-meter Aperture Spherical Telescope” giving a clue to why it is so sens......
Dehydration Melting and Proterozoic Granite Petrogenesis in a Collisional Orogen—A Case from the Sve
[期刊论文] 作者:Tom Andersen,O.Tapani R?m?,
来源:地球科学学刊(英文版) 年份:2021
Dehydration melting of metasupracrustal rocks at mid- to deep-crustal levels can gener-ate water undersaturated granitic melt. In this study, we evaluate the potential of ~1.89–1.88 Ga me-tasupracrustal rocks of the Precambrian of southern ......
[期刊论文] 作者:Arun Kumar R,Vaibhav Pathak,
来源:防务技术 年份:2021
The present study focuses on the mitigation of shock wave using novel geometric passages in the flow field.The strategy is to produce multiple shock reflections and diffractions in the passage with minimum flow obstruction,which in turn is ......
[期刊论文] 作者:Celine R Soriano,Charleston R Powell,Michael V Chiorean,Vlad V Simianu,
来源:世界临床病例杂志 年份:2021
Treatment for inflammatory bowel disease (IBD) often requires specialized care.While much of IBD care has shifted to the outpatient setting, hospitalizationsremain a major site of healthcare utilization and a sizable proportion of patientsw......
Online single-session interventions for Kenyan adolescents:study protocol for a comparative effectiv
[期刊论文] 作者:Akash R Wasil,Tom Lee Osborn,John R Weisz,Robert J DeRubeis,
来源:综合精神医学(英文) 年份:2021
Background Mental health problems are the leading cause of disability among adolescents worldwide,yet access to treatment is limited.Brief digital interventions have been shown to improve youth mental health,but little is known about which ......
Significance of Stefan blowing effect on flow and heat transfer of Casson nanofluid over a moving th
[期刊论文] 作者:A M Jyothi,R Naveen Kumar,R J Punith Gowda,B C Prasannakumara,
来源:理论物理通讯(英文版) 年份:2021
The current mathematical model explains the influence of non-linear thermal radiation on the Casson liquid flow over a moving thin needle by considering Buongiorno\'s nanofluid model.The influences of Stefan blowing,Dufour and Soret effects......
Assimilation of Doppler Radar Data with an Ensemble 3DEnVar Approach to Improve Convective Forecasti
[期刊论文] 作者:Shibo GAO,Haiqiu YU,Chuanyou R,
来源:大气科学进展:英文版 年份:2021
An ensemble three-dimensional ensemble-variational(3DEnVar)data assimilation(E3DA)system was developed within the Weather Research and Forecasting model’s 3DVa...
[期刊论文] 作者:Chuan Jing,Biqin Dong,Aikifa R,
来源:纳米材料科学:英文版 年份:2021
Layered double hydroxide(LDH),a kind of 2D layered materials,has been recognized as the promising anticorrosion materials for metal and its alloy.The microstruc...
The prevalence of depression among the empty-nest elderly in China:a meta-analysis of cross-sectiona
[期刊论文] 作者:Ting Yang,Chun-Mei Zhang,Rui R,
来源:衰老研究 年份:2021
Empty-nest elderly are those who have no children or whose children are away from home,and they have to live alone or with their spouses.The prevalence of depre...
[期刊论文] 作者:Márcia Macedo,Emilia Kohlman R,
来源:地理信息系统(英文) 年份:2021
Due to the need to update the current guidelines for highway design to focus on safety, this study sought to build an accident prediction model using a Geograph...
Perinephric urinoma,an unusual upper tract presentation of a lower tract injury following retroperit
[期刊论文] 作者:Arjunan Kumaran,Po Man Yeung,R,
来源:世界临床泌尿杂志 年份:2021
BACKGROUND A 66-year-old lady was referred to urology for a suspected urinoma after retroperioneoscopy done for debridement of a retroperitoneal abscess that de...
[期刊论文] 作者:KUMAR R,KERBERT AJC,SHEIKH MF,,
来源:临床肝胆病杂志 年份:2021
【据Journal of Hepatology 2021年1月报道】肝硬化和不可控制的静脉曲张出血患者死亡率的决定因素(作者Kumar R等)不可控制的食管胃底静脉曲张出血(OGVB)和慢加急性肝衰竭(A...
[期刊论文] 作者:Williamson S R,Gill A J,Argani,
来源:临床与实验病理学杂志 年份:2021
近年来随着分子生物学的发展,已识别出越来越多的肾细胞癌(RCC)亚型。这通常与组织学和免疫组化的替代物相关,因此只需要通过靶向分子分析,或者根本不需要分子分析即可确诊。...
Inhibition of matrix metalloproteinase-9 secretion by dimethyl sulfoxide and cyclic adenosine monoph
[期刊论文] 作者:Darcy R Denner,Maria LD Udan-J,
来源:世界生物化学杂志:英文版(电子版) 年份:2021
BACKGROUND Matrix metalloproteinases(MMPs),including MMP-9,are an integral part of the immune response and are upregulated in response to a variety of stimuli.N...
[期刊论文] 作者:Pavan S Upadhyayula,Joel R Mar,
来源:世界干细胞杂志:英文版(电子版) 年份:2021
Spinal cord injury(SCI)can permanently impair motor and sensory function and has a devastating cost to patients and the United States healthcare system.Stem cel...
[期刊论文] 作者:周海琪(译),Rajan R,
来源:中国康复 年份:2021
高达50%的肌张力障碍患者伴有震颤。然而,控制肌张力障碍型震颤的策略很少。本研究评估了肉毒杆菌毒素(BoNT)控制手部震颤的疗效。受试者为连续的单纯性肌张力障碍和肌张力障碍型震颤(DT)患者。从筛查的人中,15人被随机分配到安慰剂组,15人被随机分配到积极治疗......
Efficacy and safety of endoscopic transpapillary gallbladder drainage in acute cholecystitis:An upda
[期刊论文] 作者:David M Jandura,Srinivas R Puli,
来源:世界胃肠内镜杂志:英文版(电子版) 年份:2021
BACKGROUND Percutaneous transhepatic gallbladder drainage has been the most frequently performed treatment for acute cholecystitis for patients who are not candidates for surgery.Endoscopic transpapillary gallbladder drainage(ETGBD)has evol......
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