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conservation form of Helbing's fluid dynamic traffic flow model

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Applied Mathematics and Mechanics(English Edition) 2011年第9期32卷 1109-1118页

作者：李书峰张鹏 S.c.WONG Shanghai Institute of Applied Mathematics and Mechanics Shanghai University Shanghai Key Laboratory of Mechanics in Energy Engineering Shanghai University Department of civil Engineering The University of Hong Kong

A standard conservation form is derived in this *** hyperbolicity of Helbing＇s fluid dynamic traffic flow model is proved,which is essential to the general analytical and numerical study of this *** the basis of this conservation form,a local discontinuous Galerkin scheme is designed to solve the resulting system *** evolution of an unstable equilibrium traffic state leading to a stable stop-and-go traveling wave is *** simulation also verifies that the model is truly improved by the introduction of the modified diffusion coefficients,and thus helps to protect vehicles from collisions and avoide the appearance of the extremely large density.

关键词： conservation form hyperbolicity local discontinuous Galerkin method stop-and-go wave

腹腔镜切除直视下诊断的腹膜子宫内膜异位灶治疗慢性盆腔痛的效果

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世界核心医学期刊文摘（妇产科学分册） 2006年第8期2卷 32-33页

作者： Wykes c.B. clark T.J. chakravati S. 朱磊 Academic Department of Obstetrics and Gynaecology Birmingham Women' s Hospital Birmingham B15 2TG United Kingdom

Objective: To determine the efficacy of laparoscopic excision of visually diagnosed endometriosis in the treatment of chronic pelvic pain. Study design: Sixty-two women with chronic pelvic pain and who underwent laparoscopic excision of visually diagnosed peritoneal lesions suggestive of endometriosis returned postal questionnaires. The main outcomes measures were change in pelvic pain symptoms measured on a continuous and ordinal scale and patient satisfaction following treatment. Secondary outcomes were quality of life, time off work and use of health service resources. Results: 42/62 (68% ) women with an average follow up time of 13 months (range 6- 38 months)- returned completed outcome questionnaires. The mean amount of pelvic pain was reduced following surgery compared to immediately prior to treatment, regardless of the nature of the pain (P cI 50- 80% ) of women reported improvement in pain symptoms and 71% (95% cI 55- 84% ) were satisfied with the results of treatment. Satisfaction with treatment was comparable whether the visual diagnosis of peritoneal endometriosis was confirmed histologically or not (62% versus 64% , P = 1.0). conclusion: Laparoscopic excision of visually diagnosed endometriosis appears to be efficacious in the treatment of women with chronic pelvic pain. The launch of a long-term randomised controlled trial to confirm these provisional results is now required.

关键词：腹腔镜切除慢性盆腔痛子宫内膜异位腹腔镜手术顺序量表服务资源意度随机对照试验生活质量

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改扩建项目可行性研究的竞争力分析

石油化工设计 2004年第4期21卷 35-38页

作者：戴红中国石化上海工程有限公司 200120

以某乙烯改扩建项目为例,论述竞争力分析。以竞争力分析为核心,对项目改扩建的资金投入、建设规模、原料成本、产品成本等,进行了重点分析;项目实施后效益明显。

关键词：竞争力分析改扩建项目产品成本原料成本重点分析可行性研究项目实施乙烯建设规模

Microsoft Visual Basic 6.0程序开发环境第5版 G

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FAST discovery of an extremely radio-faint millisecond pulsar from the Fermi-LAT unassociated source 3FGL J0318.1+0252

丛书名： Microsoft程序设计系列

1999年

作者：（美）（J.c.克雷格）John clark craig （美）（J.韦布）Jeff Webb 北京博彦科技发展有限公司译

据原书第5版译出美国Microsoft出版社授权出版:本书揭示Visual Basic 6.0在数据库程序、Internet及ActiveX技术方面的扩展功能，学习如何开发可重复使用的对象和控件、扩展语言、添加图形和多媒体，以及优化代码性能等。

ISBN: (纸本)7301041829

关键词： BASIc语言程序设计

来源：畅想之星图书光盘版（南... 评论

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Science china(Physics,Mechanics & Astronomy) 2021年第12期64卷 10-17页

作者： Pei Wang Di Li colin J.clark Pablo M.Saz Parkinson Xian Hou Weiwei Zhu Lei Qian Youling Yue Zhichen Pan Zhijie Liu Xuhong Yu Shanping You Xiaoyao Xie Qijun Zhi Hui Zhang Jumei Yao Jun Yan chengmin Zhang Kwok Lung Fan Paul S.Ray Matthew Kerr David A.Smith Peter F.Michelson Elizabeth c.Ferrara David J.Thompson Zhiqiang Shen Na Wang FAST&Fermi-LAT collaboration cAS Key Laboratory of FAST National Astronomical ObservatoriesChinese Academy of SciencesBeijing 100101China University of chinese Academy of Sciences Beijing 100049China Jodrell Bank centre for Astrophysics Department of Physics and AstronomyUniversity of ManchesterManchester M139PLUK Department of Physics and Laboratory for Space Research University of Hong KongHong Kong 999077China Santa cruz Institute for Particle Physics University of CaliforniaSanta Cruz CA 95064USA Yunnan Observatories Chinese Academy of SciencesKunming 650216China Key Laboratory for the Structure and Evolution of celestial Objects Chinese Academy of SciencesKunming 650216China School of computer Science and Technology Key Laboratory of Information and Computing Guizhou ProvinceGuizhou Normal UniversityGuiyang 550001China School of Physics and Electronic Science Guizhou Normal UniversityGuiyang 550001China Physics Department Stanford UniversityStanford CA 94305USA UMcP/cRESST/GSFc NASAGreenbeltMaryland MD 20771USA GSFc NASAGreenbeltMaryland MD 20771USA centre d’´Etudes Nucl´eaires de Bordeaux Gradignan IN2P3/CNRSUniversit´e BordeauxGradignan 33175France Space Science Division U.S.Naval Research LaboratoryWashington DC 20375-5352USA Shanghai Astronomical Observatory Chinese Academy of SciencesShanghai 200030China Xinjiang Astronomical Observatory Urumqi 830011China Department of Physics University of MarylandCollege Park MD 20742USA NAOc-UKZN computational Astrophysics centre University of KwaZulu-NatalDurban 4000South Africa 不详

High sensitivity radio searches of unassociated γ-ray sources have proven to be an effective way of finding new pulsars. Using the Five-hundred-meter Aperture Spherical radio Telescope(FAST) during its commissioning phase, we have carried out a number of targeted deep searches of Fermi Large Area Telescope(LAT) γ-ray sources. On February 27, 2018 we discovered an isolated millisecond pulsar(MSP), PSR J0318+0253, coincident with the unassociated γ-ray source 3 FGL J0318.1+0252. PSR J0318+0253 has a spin period of 5.19 ms, a dispersion measure(DM) of 26 pc cm-3 corresponding to a DM distance of about 1.3 kpc, and a period-averaged flux density of(~11±2) μJy at L-band(1.05-1.45 GHz). Among all high energy MSPs, PSR J0318+0253 is the faintest ever detected in radio bands, by a factor of at least ~4 in terms of L-band fluxes. With the aid of the radio ephemeris, an analysis of 9.6 years of Fermi-LAT data revealed that PSR J0318+0253 also displays strong γ-ray pulsations. Follow-up observations carried out by both Arecibo and FAST suggest a likely spectral turn-over around 350 MHz. This is the first result from the collaboration between FAST and the Fermi-LAT teams as well as the first confirmed new MSP discovery by FAST, raising hopes for the detection of many more MSPs. Such discoveries will make a significant contribution to our understanding of the neutron star zoo while potentially contributing to the future detection of gravitational waves, via pulsar timing array(PTA) experiments.

关键词： FAST pulsar radio gamma rays

Adherence to guideline-directed hepatocellular carcinoma screening:A single-center US experience

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World Journal of Hepatology 2023年第3期15卷 410-418页

作者： William W King Raymond Richhart Tyler culpepper Maneola Mota Debdeep Banerjee Media Ismael Joydeep chakraborty Michael Ladna Walid Khan Nicole Ruiz Jake Wilson Ellery Altshuler Virginia clark Roniel cabrera Department of Medicine University of FloridaGainesvilleFL 32610United States Department of Gastroenterology University of FloridaGainesvilleFL 32610United States Department of Hospital Medicine University of FloridaGainesvilleFL 32610United States

BAcKGROUND The American Association for the Study of Liver Disease recommends screening patients with cirrhosis for hepatocellular carcinoma(Hcc)using imaging with or without alpha-fetoprotein every six ***,screening rates remain *** To assess root causes of screening failure in a subspecialty hepatology *** The authors identified patients with cirrhosis seen in a subspecialty hepatology clinic and determined whether they underwent appropriate screening,defined as two cross-sectional images between five and seven months *** authors characterized the primary driver of screening ***,other hepatologists were surveyed to determine provider perceptions of screening failure *** 1034 patients were identified with an average age of 61 years and a mean MELD of 8.1±*** c virus was the most common cirrhosis etiology.489(47%)underwent appropriate *** demographic or clinical differences were detected between those who underwent appropriate screening and those who did *** most common etiologies of screening failure,in descending order,were:radiology unable to schedule timely imaging,provider did not order imaging,patient canceled follow up appointment,appointments scheduled too far apart,lost to follow up,no-show to radiology appointment,and provider canceled *** surveyed believed the most common cause of screening failure was no-show to *** Rates of screening were poor even in a subspecialty hepatology *** failure was mostly due to systemic factors such as radiology availability and time between hepatology appointments rather than individual error.

关键词： Hepatocellular carcinoma cirrhosis Health maintenance Quality improvement Screening Hepatology

西澳大利亚卡姆巴尔达的维克托利金矿的构造和变质环境

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华北地质 1988年第4期 212-223页

作者： M.E.clark N.J.Archibald c.J.Hodgson 骆辉胡小蝶

引言西澳卡姆巴尔达维克托利金矿位于太古宙伊尔岗地块中东部的诺西曼-威卢纳绿岩带。卡姆巴尔达地区主要由层状变质科马提质熔岩、科马提质玄武岩、富-Mg玄武岩、拉斑玄武质玄武岩和沉积岩夹层组成。这些层序在构造上并列于长英质火山... 详细信息

引言西澳卡姆巴尔达维克托利金矿位于太古宙伊尔岗地块中东部的诺西曼-威卢纳绿岩带。卡姆巴尔达地区主要由层状变质科马提质熔岩、科马提质玄武岩、富-Mg玄武岩、拉斑玄武质玄武岩和沉积岩夹层组成。这些层序在构造上并列于长英质火山岩和碎屑沉积层序。卡姆巴尔达地区和大部分诺西曼-威卢纳带的构造以北-北西直立断层带和遍布的北-北西构造系为主,大片区域应变发生在可能延展数百公里的这些断层带内。泥质岩组合表明,卡姆巴尔达地区岩石的最高变质作用为低角闪岩相,维克托利矿区的进变质或退变质组合明显取决于局部碳酸盐的发育程度。

关键词：金矿化绿泥石黑云母阳起石黄铁矿粘土矿物角闪石铁矿物石英脉角砾岩带矿体矿脉钠长石岩断裂带断层带矿物共生组合基性岩玄武岩容矿岩石铁白云石卡姆巴尔维克托

Advancing Service Integration in Opioid Treatment Progams for the care and Treatment of Hepatitis c Infection

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International Journal of clinical Medicine 2014年第3期5卷 118-125页

作者： Thomas F. Kresina Robert Lubran H. Westley clark Elinore F. Mccance-Katz Substance Abuse and Mental Health Services Admin-istration Rockville USA

It is estimated that approximately 200 million people globally are infected with the hepatitis c virus and that roughly half of these people live in Asia. Without treatment, it is estimated that roughly twenty percent of those infected with hepatitis c virus progress to chronic liver disease, then subsequently, end-stage liver disease. Thus, access to hepatitis c testing and subsequent care and treatment of chronic hepatitis c infection are essential to address the global burden of disease. In the United States, the center for Disease control and Prevention estimates that 60% of new cases of hepatitis infection are due to injection drug use. Opioid Treatment Programs (OTP’s) dispense methadone and buprenorphine under specific federal regulations to injection drug users diagnosed with opioid dependence. OTPs are developing comprehensive care and treatment model programs that integrate general medical and infectious disease-related medical care with substance abuse and mental health services. Integrating hepatitis care services and treatment in the substance abuse treatment settings foster access to care for patients with hepatitis c infection, many who otherwise would not receive needed care and treatment. This may serve as a national model for highly cost-efficient healthcare that has a measurable outcome of improved public health with reduced hepatitis c prevalence.

关键词： Opioid Treatment Programs Hepatitis c Treatment Methadone Buprenorphine