af相关论文
目的:心房颤动（atrial fibrillation,AF）简称房颤,是临床中最常见的一种心律失常,可由多种疾病导致,包括冠状动脉粥样硬化性心脏病、......
目的探讨分析延续护理在慢性肾衰（CRF）患者动静脉内瘘术（AF）后的护理效果。方法将2019年6月1日至2020年5月1日80例CRF患者纳入研究,按......
Purpose.To describe a peculiar choroidal entity using multimodality imaging and to make a further understanding of the r......
这份更新版指南旨在为既往无卒中或短暂性脑缺血发作史的人群提供适时的综合性卒中预防循证建议，包括危险因素控制、头颈部动脉粥样......
近年研究表明，心房电重构对心房颤动(AF)的发生和维持起着重要作用。L型钙通道电流(LcaL)在AF电重构研究中起着核心作用。目前为止，......
自古以来,人们遵循着“日出而作,日落而息”的作息规律。然而,如今现实中有些情况却是:白天很困,提不起精神,浑身乏累,可是到了晚......
高三数学复习到抛物线时,有这样一个性质:抛物线C:y2=2px(p>0),l为其准线,AB是过C的焦点F,倾斜角为θ的一条弦(焦点弦),且A位于x轴......
AIM:To investigate differences of clinical characteristics and disease courses between familial and sporadic inflammator......
Preparation,structural characterization of a novel egg-shell palladium sulfide catalyst and its appl
A novel egg-shell Pd-S catalyst with palladium metal as the core and a membrane of palladium sulfide as the surface has ......
【正】 Following an expired agreement by the end of 2009 between PetroChinaCompany Ltd.and Woodside signed in September ......
DAVID is a British man who came to work as a teacher in Beijing.There he met a girl called Miss Wang, and romance soon b......
系统研究了双酚AF在二氧化钛溶液中的光催化降解行为。就溶解氧、二氧化钛投加量、氟离子浓度和双酚AF的初始浓度等因素对双酚AF降......
关于方程f(x)=f~(-1)(x)的解法,已有好几个杂志对它进行了探讨,这里我们来进一步探讨f(x)(?)af~(-1)(ax+b)+b的解法。定理1 若f(x......
In the present research two different whole vehicle multibody models are established respectively, including rigid and r......
在圆锥曲线中经常碰见这样的问题:过圆锥曲线焦点F作倾斜角为α的直线l与圆锥曲线相交于A、B两点,圆锥曲线的离心率为e,且满足AF=......
Fabrication of carboxymethyl chitosan–hemicellulose resin for adsorptive removal of heavy metals fro
Carboxymethyl chitosan–hemicellulose resin(CMCH) was synthesized by thermal cross-linking process and characterized by ......
心房颤动(AF)是临床实践中最常见的心律失常。据统计,60岁以上人群中,房颤的发生率为1%, 大约占因心律失常住院患者的1/3,病死率是......
前不久,我拿到了永诺新发布的YN100mmf/2定焦镜头。之前我一直热衷于使用极具性价比的永诺热靴灯,尤其是室外夜景人像。总体而言,......
The present paper describes the current urban poverty situation,examines the factors affecting the probability of a hous......
Biochemical indicators for neuronal regeneration during intrathecal triamcinolone application in mul
Multiple sclerosis(MS)is a chronic inflammatory disease of the central nervous system(CNS).Essential characteristics are......
由三元一次正交回归实验设计,根据2.7NaF·AlF_3-Al_2O_3(4wt%)-CaF_2(2wt%)-MgF_2(1.5wt%)-LiF-RE_2O_3熔体粘度测定结果获得粘度......
The National Symposium on the Three Gorges project and FluvialProcess was held in Wuhan Institute of Hydraulic and Elec......
房颤(AF)是临床上最常见的一种心律失常。AF射频消融术作为一种非药物治疗AF的手段正被广泛利用,但术后AF的复发率较高。早期有研......
多种族动脉粥样硬化(MESA)研究的最新结果表明,冠状动脉钙化(CAC)进展似乎可剂量依赖性增加心房颤动(AF)发生风险。该研究结果近期......
Preface Since the 1980s,governance has increasingly penetrated into the theory and practice of human activities,and has ......
The method of AF synthetic detection on crust deformation anomaly and its applica-tion in earthquake
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ThemethodofAFsyntheticdetectiononcrustdeformationanomalyanditsapplica- tioninearthquakepredictionAN-FUN......
讨论了地壳变形的非稳态过程模型及Ｆ异常综合检验的理论，给出了异常变形的定量参数与异常识别准则，并对数值模拟序列进行了异常检测．对......
The reaction of 2-substituted imidazolinium salt with his-Grignard reagents is reported and a new method for the synthes......
在三元触媒(TWC)最有效工作点和排气氧传感器(EGO sensor)的开关点之间的空燃比 A/F.是不重合的。空燃比的一这差异,不因催化剂或......
We demonstrate that ferroferric-oxide(Fe_3O_4) nanoparticles exhibit nonlinear saturable absorption property at1.55 μm,......
Suppression of far-field blooming in high-power broad-area diode lasers by optimizing gain distribut
Far-field blooming, a serious far-field dependence on driving current, affects the stability of beam quality and applica......
目的:探讨肝性病变患者 CEA、AFP、SF 三项血清生化指标检测的意义.方法:本院于2011年1月至2012年1月选取110例肝性病变患者为研究......
糖类抗原199(CA199)属低聚糖肿瘤相关抗原，为一种新的肿瘤标记物[1]，近年来，该项目的检测对消化系统的肿瘤诊断、监视具有一定的临床......
Microtremor-based analysis of the dynamic response characteristics of earth-fissured sites in the Da
This study conducted microtremor testing along six survey lines that cross three typical earth fissures in the Datong ba......
续航里程长和充电时间短的高性能可充电电池对于新能源汽车行业的高速发展有着重要意义。硅基材料的理论容量极高,可以极大地满足......
目的:探讨AF系统对严重错位的胸腰椎爆裂骨折早期复位固定的可行性及存在的问题.方法:对达Ⅳ°错位的T12、L4爆裂骨折各1例应用AF......
目的分析 AF系统治疗胸腰段爆裂型骨折术中造影的意义.方法总结应用 AF系统对伤椎进行复位及内固定,术中结合椎管造影决定是否直接......
1.试题呈现(2021年八省模拟考数学试卷第21题)双曲线C:x2/a2-y2/b2=1(a>0,b>0)的左顶点为A,若焦点为F,动点B在C上,BF⊥AF时,|AF|=|......
