检索结果-南通市图书馆

Journal of Sport and Health Science 2023年第3期12卷 388-397页

作者： melissa C.kay.Heidi Hennink-Kaminski Zachary Y.Kerr Paula gildner Brittany m.Ingram Kenneth L.Cameron m.g.n N.Houston Laura A.Linnan Stephen W.marshall Karen Y.Peck Johna K.Register-mihalik School of Health Professions College of Nursing and Health ProfessionsUniversity of Southern MississippiHattiesburgMS 39406USA School of media and Journalism University of North Carolina at Chapel HillChapel HillNC 27599USA Injury Prevention Research Center University of North Carolina at Chapel HillChapel HillNC 27599USA Department of Exercise and Sport Science College of Arts and SciencesUniversity of North Carolina at Chapel HillChapel HillNC 27599USA matthew gfeller Sport-Related Traumatic Brain Injury Research Center University of North Carolina at Chapel HillChapel HillNC 27599USA Center for the Study of Retired Athletes University of North Carolina at Chapel HillChapel HillNC 27599USA Keller Army Hospital United States Military AcademyWest PointNY 10996USA Departments of Physical medicine and Rehabilitation and Surgery Uniformed Services University of the Health SciencesBethesdaMD 20814USA Department of Health Behavior School of Public HealthUniversity of North Carolina at Chapel HillChapel HillNC 27599USA Department of Epidemiology School of Public HealthUniversity of North Carolina at Chapel HillChapel HillNC 27599USA

Background:Participation in sports is associated with many benefits to all aspects of health;however,it also comes with the risk of injury,particularly ***-disclosure and care seeking following a concussion are especially important because of the lack of outwardly visible signs and/or *** recent research has explored factors affecting concussion disclosure,use of isolated methodologies limits the ability to contextualize how disclosure or nondisclosure ***,the purpose of this study was to describe the factors and expectations of National Collegiate Athletic Association(NCAA)athletes that may influence concussion ***:This mixed-methods convergent parallel research study included 25 NCAA Division I athletes representing 13 sports,all of whom completed a concussion-education session with pre-/post-test surveys and a semistructured *** athletes were at least 18 years old and on an NCAA *** surveys focused on previous concussion-related disclosure behaviors,knowledge,attitudes,beliefs,norms,and intentions about disclosing *** focused on the athletes’experiences related to concussion *** data were analyzed using descriptive statistics and mann-Whitney U *** were analyzed using a Consensual Qualitative Research ***:Participants had good concussion knowledge(median=46.0),positive attitudes(median=38.0),strong beliefs(median=13.0),and strong intentions to disclose concussion symptoms(median=7.0).None of the constructs differed by participants’*** quantitative findings were mostly positive,interview data highlighted factors that may explain why some participants are successful in disclosing concussions and why others may find disclosure *** efforts,sport culture,and medical professional presence were the primary facilitators discussed by ***,pressure,and a lack of team support were perceived as di

关键词： Education medical professional presence mixed methodological research Reporting Sport culture

Serum mac-2 binding protein glycosylation isomer level predicts hepatocellular carcinoma development in E-negative chronic hepatitis B patients

在线全文

学校读者我要写书评

暂无评论

World Journal of gastroenterology 2019年第11期25卷 1398-1408页

作者： Lung-Yi mak Wai-Pan To Danny Ka-Ho Wong James Fung Fen Liu Wai-kay.Seto Ching-Lung Lai man-Fung Yuen Department of medicine Queen Mary Hospital Department of medicine The University of Hong Kong State Key Laboratory for Liver Research The University of Hong Kong

BACKgROUND Liver cirrhosis is a major risk factor for hepatocellular carcinoma(HCC)development in chronic hepatitis B(CHB). Serum mac-2 binding protein glycosylation isomer(m2 BPgi) is a novel serological marker for fibrosis. The role of m2 BPgi in prediction of HCC is *** To examine the role of serum m2 BPgi in predicting HCC development in hepatitis B e antigen(HBeAg)-negative *** Treatment-naive CHB patients with documented spontaneous HBeAg seroconversion were recruited. Serum m2 BPgi was measured at baseline(within3 years from HBeAg seroconversion), at 5 years and 10 years after HBeAg seroconversion and expressed as cut-off index(COI). multivariate cox regression was performed to identify predictors for HCC development. ROC analysis was used to determine the cut-off value of m2 *** Among 207 patients(57% male, median age at HBeAg seroconversion 40 years old) with median follow-up of 13.1(11.8-15.5) years, the cumulative incidence of HCC at 15 years was 7%. median m2 BPgi levels were significantly higher in patients with HCC compared to those without HCC(baseline: 1.39 COI vs 0.38 COI, P multivariate analysis revealed age at HBeAg seroconversion[odds ratio(OR) = 1.196, 95% confidence interval(CI): 1.034-1.382, P = 0.016] and baseline m2 BPgi(OR = 4.666, 95%CI: 1.296-16.802, P = 0.018) were significant factors predictive of HCC. Using a cut-off value of 0.68 COI, baseline m2 BPgi yielded AUROC of 0.883 with 91.7% sensitivity and 80.8% *** High serum m2 BPgi within 3 years after HBeAg seroconversion was a strong predictor for subsequent HCC development in treatment-naive HBeAg-negative CHB patients.

关键词： Hepatocellular carcinoma Hepatitis B Liver fibrosis mac-2 binding protein glycosylation isomer Biomarker

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

奥古斯丁

A Comparative Assessment of the Surface Roughness of Thermoplastic Denture Base Resins Following Adjustment and Re-Polishing

2019年

作者： (美)沙伦·m. 凯(Sharon m. kay.，(美)保罗·汤姆森(Paul Thomson)

来源：南通市图书馆图书评论

学校读者我要写书评

暂无评论

Open Journal of Stomatology 2017年第4期7卷 250-263页

作者： Shivaughn m. marchan Anna kay.Bishop William A. J. Smith Paul Seerattan David Hinds Unit of Restorative Dentistry School of Dentistry Faculty of Medical Sciences The University of the West Indies St Augus-tine Trinidad and Tobago School of Dentistry Faculty of Medical Sciences the University of the West Indies St Augustine Trinidad and Tobago Department of Physics Faculty of Science and Technology the University of the West Indies St Augustine Trinidad and Tobago

Purpose: This study assessed the roughness of two injection-molded, thermoplastic materials used for denture bases compared with a polyamide material and compression molded Polymethylmethacrylate (PmmA) after the adjustment and re-polishing with either a laboratory protocol or a chair side protocol. methods: Forty specimens, each of PmmA, Valplast, DuraFlex, Dura Cetal were fabricated and finished according to individual manufactures’ instructions. These materials were adjusted with tungsten carbide (TC) burs to mimic gross adjustments, and then re-polished either on a lathe or bonded silicon carbide (B-SC). Following instrumentation, the specimens were assessed using contact profilometry and scanning electron microscopy. Two-factor ANOVA was used to determine significant differences in mean surface roughness (Ra and Rmax), with included factors being material type and re-polishing regimen. Results: mean Ra values ranged from 0.26 (DuraFlex control) to 1.82 (Valplast adjusted with TC burs). mean Rmax values ranged from 1.88 (Dura Flex control) to 13.76 (Valplast adjusted with TC burs). Two-factor ANOVA revealed that interaction of both factors was significant (p Ra and Rmax. There was a statistically significant increase in both Ra (p Rmax (p material types following the gross adjustment. With the exception of DuraFlex, re-polishing of samples that were previously adjusted with TC burs, on the dental lathe produced surfaces that were comparable to control samples. Conclusion: Adjustment of DuraFlex should be kept to a minimum since the adjustment produced the significant surface detriment that could not be corrected with either of the polishing regimens.

关键词： DuraFlex DuraCetal Valplast Poly methylmethacrylate Surface Roughness

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

地壳增长与壳—幔再循环

世界地质 1991年第1期10卷 70-71页

作者： kay.R.W.kay.S.m 曲燕

在会聚边缘的地壳增长目前是由地壳从地幔中的萃取作用所支配的,这是一个只能间接观察到的过程。在现代的会聚边缘,常见于地壳最上部的玄武岩和安山岩(及相应的侵入岩)并非直接源于地幔(如它们不是地幔的初始成分)。例如,在阿留申岛弧,... 详细信息

在会聚边缘的地壳增长目前是由地壳从地幔中的萃取作用所支配的,这是一个只能间接观察到的过程。在现代的会聚边缘,常见于地壳最上部的玄武岩和安山岩(及相应的侵入岩)并非直接源于地幔(如它们不是地幔的初始成分)。例如,在阿留申岛弧,橄榄拉斑玄武岩已被认作是初始岩浆,它与普通高铝玄武岩有关,而后者是由积聚在莫霍面深处的橄榄石和辉石的分离作用所形成的,并代表一个新生的上地幔,更常见的浅部富铝质火山岩及深成岩可以由高铝玄武岩的壳内组分分异、岛弧地壳低熔组分的同化、地壳熔融所形成,或者是诸过程结合的产物。

关键词：地壳增长壳-幔再循环

在线全文

学校读者我要写书评

暂无评论

玫琳凯谈人的管理

作者： (美)mary kay.Ash (美)m. K.·艾施

来源：南通市图书馆图书评论

学校读者我要写书评

暂无评论

利用间歇灌溉减少滴头堵塞问题

灌溉排水 1989年第4期8卷 46-48页

作者： R.C.Jackson m.g.kay.刘晓英

一、引言滴灌是一种通过置于作物附近的小滴头对作物进行少量而频繁供水的一种方法。与常用的喷灌和漫灌相比,滴灌具有许多优点,如它可以大大地提高水的利用率,在滨海地区可用咸水对作物进行成功的灌溉。然而,滴灌系统有一个主要缺点,... 详细信息

一、引言滴灌是一种通过置于作物附近的小滴头对作物进行少量而频繁供水的一种方法。与常用的喷灌和漫灌相比,滴灌具有许多优点,如它可以大大地提高水的利用率,在滨海地区可用咸水对作物进行成功的灌溉。然而,滴灌系统有一个主要缺点,就是由于灌溉水中有机物残渣的积累而导致滴头堵塞。

关键词：滴灌滴头堵塞间歇灌溉灌溉技术

Strain Sensitivity Enhancement in Suspended Core Fiber Tapers

在线全文

学校读者我要写书评

暂无评论

Photonic Sensors 2013年第2期3卷 118-123页

作者： Ricardo m. ANDRE Susana O. SILVA martin BECKER kay.SCHUSTER m. ROTHARDT H. BARTELT manuel B. mARQUES Orlando FRAZAO INESC Porto Rua do Campo Alegre 687 4169-007 Porto Portugal Departamento de Fisica e Astronomia da Faculdade de Ciencias da Universidade do Porto Rua do Campo Alegre 687 4169-007 Porto Portugal PHT Institute for Photonic Technology Jena Albert-Einstein-Str. 9 07745 Jena Germany

Suspended core fiber tapers with different cross sections （with diameters from 70μm to 120 μm） are produced by filament heating. Before obtaining the taper, the spectral behavior of the suspended core fiber is a multimode interference structure. When the taper is made, an intermodal interference between a few modes is observed. This effect is clearly visible for low taper core dimensions. Since the core and cladding do not collapse, two taper regions exist, one in the core and the other in the cladding. The cladding taper does not affect the light transmission, only the core is reduced to a microtaper. The spectral response of the microtaper based-suspended core fiber is similar to a beat of two interferometers. The strain is applied to the microtaper, and with the reduction in the transverse area, an increase in sensitivity is observed. When the taper is immersed in a liquid with a different index of refraction or subjected to temperature variations, no spectral change Occurs.

关键词： Optical fiber sensor taper microstructured fiber

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

中剑水蚤作为生物防制蚊媒的实验性研究

中国媒介生物学及控制杂志 1990年第5期1卷 259-263页

作者：林杰岩吴能 B.H.kay.m.D.Brown 广西自治区寄研所南宁市530021 澳大利亚昆士兰医学研究所

本文利用广西中剑水蚤(暂定,简称桂剑蚤mesocyclops sp)与***(法国)和***(澳大利亚)作对比,在实验室里做了不同温度的繁殖力、对不同蚊种的吞食力和模型试验。结果:它们在25～35℃之间繁殖力最佳;对埃及伊蚊(Aedes aegypti)、致乏库蚊(C... 详细信息

本文利用广西中剑水蚤(暂定,简称桂剑蚤mesocyclops sp)与***(法国)和***(澳大利亚)作对比,在实验室里做了不同温度的繁殖力、对不同蚊种的吞食力和模型试验。结果:它们在25～35℃之间繁殖力最佳;对埃及伊蚊(Aedes aegypti)、致乏库蚊(Culex guinquefasciatus)和法老按蚊(Anopheles farauti)等幼虫都能吞食达82%以上。***对三种蚊幼吞食最佳,几乎达100%。在模型实验中,实验组桂剑蚤自第3周后数量不断增加,至第6周后完全抑制了蚊幼,成蚊也不断减少,于第11周无成蚊存活;而对照组从第2周起蚊幼与成蚊不断增加,第11周后仍然较多。该剑水蚤耐盐量在4%以下,对pH适应度为6.0～10.0。

关键词：蚊虫生物防治中剑水蚤