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丛书名：国外计算机科学教材系列

2008年

作者：（美）p.j.Deitel H.M.Deitel

1817040302

ISBN: (纸本)9787121056628

1817040302

关键词：教材 C语言高等学校程序设计

来源：畅想之星图书光盘版（南... 评论

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陶瓷材料在机动车辆上的应用

车用发动机 1989年第2期 26-30页

作者： p.j.gualtieri 蒋国鑫阿根廷

近年来,装备内燃机的陶瓷零件日益增多。本文概括了现有陶瓷材料在这方面的多种用途(如氧气探测器、催化转换器、气缸头、活塞,涡轮增压器及柴油机火花塞等)并介绍它们的优点。此外,还论述了纤维强化金属以及其他一些可用陶瓷材料的场所。

关键词：陶瓷材料车辆

Eggshell and environmental bacteria contribute to the intestinal microbiota of growing chickens

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journal of Animal Science and Biotechnology 2020年第4期11卷 1245-1260页

作者： joel j.Maki Elizabeth A.Bobeck Matthew j.Sylte Torey Looft Food Safety and Enteric pathogens Research Unit National Animal Disease CenterAgricultural Research ServiceUS Department of Agriculture1920 Dayton AveAmesIA 50010USA Interdepartmental Microbiology graduate program Iowa State University|AmesIA 50011USA Oak Ridge Institute for Science and Education ARS Research Participation ProgramOak RidgeTN 37830USA Department of Animal Science Iowa State UniversityAmesIA 50011USA.

Background: The initial intestinal microbiota acquired from different sources has profound impacts on animal health and productivity. In modern poultry production practices, the source(s) of the establishing microbes and their overall contribution during development of gastrointestinal tract communities are still unclear. Using fertilized eggs from two independent sources, we assessed the impact of eggshell-and environmental-associated microbial communities on the successional processes and bacterial community structure throughout the intestinal tract of chickens for up to 6 weeks ***: Culturing and sequencing techniques identified a viable, highly diverse population of anaerobic bacteria on the eggshell. The jejunal, ileal, and cecal microbial communities for the egg-only, environment-only, and conventionally raised birds generally displayed similar successional patterns characterized by increasing community richness and evenness over time, with strains of Enterococcus, Romboutsia, and unclassified Lachnospiraceae abundant for all three input groups in both trials. Bacterial community structures differed significantly based on trial and microbiota input with the exception of the egg-exposed and conventional birds in the jejunum at week 1 and the ileum at week 6. Cecal community structures were different based on trial and microbiota input source, and cecal short-chain fatty acid profiles at week 6 highlighted functional differences as ***: We identified distinct intestinal microbial communities and differing cecal short-chain fatty acid profiles between birds exposed to the microbiota associated with either the eggshell or environment, and those of conventionally hatched birds. Our data suggest the eggshell plays an appreciable role in the development of the chicken intestinal microbiota, especially in the jejunum and ileum where the community structure of the eggshellonly birds was similar to the structure of conventionally hatched birds

关键词： 16S rRNA gene Eggshell microbiota Environmental microbiota Hatching Intestinal colonization SCFA Succession

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星载测雨雷达降雨量反演算法及模拟验证

科学通报 1997年第3期42卷 292-295页

作者：窦贤康 j.Testud p.Amayenc 中国科学技术大学地球与空间科学系合肥230026 CentredetudesdesEnvironnementsTerrestreetplanetairesIssy-les-Moulineaux

全球降雨量的测量将推进大气海洋耦合的研究,帮助我们理解潜热在大尺度大气流动中的作用,提高我们对暴雨系统的动力学及形态学的理解.除了这些科学的意义外,它还可以给农业.水资源管理、水灾预报带来许多实际的效益.在不同的测量手段中... 详细信息

全球降雨量的测量将推进大气海洋耦合的研究,帮助我们理解潜热在大尺度大气流动中的作用,提高我们对暴雨系统的动力学及形态学的理解.除了这些科学的意义外,它还可以给农业.水资源管理、水灾预报带来许多实际的效益.在不同的测量手段中,卫星遥感被认为是最有效甚至是唯一的测量全球降雨的途径.与其他的星载传感器(红外、微波辐射计、激光雷达等)相比,雷达有其独特的特征:它能得到降雨体系沿高度分布而且还不受地面强辐射的影响.从降雨量大小和雷达的反射率统计上讲有一定的函数关系,但是位于测雨雷达工作频段的电磁波(如Tropical rainfall measuring mission或TRMM计划中的雷达,14gHz)随着降雨的强弱有程度不同的衰减,再加上回波涨落的不确定性,因此必须找到算法去修正这些效应. 为了分析这些雷达资料,不同类型的算法被提出来,如;单束单频、单束双频(简称为双频法或DF和双束单频(简称为双束法或DB)等、本文通过模拟的方法探讨上面所提及的算法在各种可能的误差存在下的表现.

关键词：星载测雨雷达反演算法降雨量测雨雷达

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树木生理专题讲演集

树木生理专题讲演集

Enhancing the OgC WpS interface with geopipes support for real-time geoprocessing

作者： p.j.·克累默尔(p.j. Kramer)

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International journal of Digital Earth 2018年第1期11卷 48-63页

作者： Stefan Herle jörg Blankenbach geodetic Institute and Chair for Computing in Civil Engineering and geo Information Systems RWTH Aachen UniversityAachenGermany

Real-time geospatial information is used in various applications such as risk management or alerting ***,the rise of new sensing technologies also increases the demand for processing the data in real ***’s spatial data infrastructures,however,do not meet the requirements for real-time *** OpengIS®Web processing Service(WpS)is not designed to process real-time *** has some major drawbacks in asynchronous processing and cannot handle(geo)data streams out of the *** previous papers,we introduced the geopipes approach to share spatiotemporal data in real *** implemented the concept extending the Message Queue and Telemetry Transport(MQTT)protocol by a spatial and temporal dimension,which we call *** this paper,we demonstrate the integration of the geopipes idea in the WpS interface to expose standardized real-time geoprocessing *** proof of the concept is illustrated in some exemplary real-time geo processes.

关键词： Real-time geoprocessing web processing service sensor web Internet-ofthings geopipes

Surgical techniques for the management of male infertility

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Asian journal of Andrology 2012年第1期14卷 94-102,177页

作者： Natalya A Lopushnyan Thomas j Walsh Department of Urology University of Washington Seattle WA 98195 USA

Evaluation and surgical treatment of male infertility has evolved and expanded, now leading to more precise diagnoses and tailored treatments with diminished morbidity and greater success. Surgeries for male infertility are divided into four major categories：（i） diagnostic surgery; （ii） surgery to improve sperm production; （iii） surgery to improve sperm delivery; and （iv） surgery to retrieve sperm for use with in vitrofertilization and intracytoplasmic sperm injection （IVF-ICSI）. While today we are more successful than ever in treating male infertility, pregnancy is still not always achieved likely due to factors that remain poorly understood. Clinicians treating infertility should advocate for couple-based therapy, and require that both partners have a thorough evaluation and an informed discussion before undergoing specific surgical therapies.

关键词： male infertility testis varicocele

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Chinese Annals of Mathematics,Series B 2002年第2期23卷 165-180页

作者： A.BENSOUSSAN j.FREHSE Universityparis Institut fur Angewandte Mathematik Dauphineand CNES(CentreNationald’Etudes Spatiales)2PlaceMauriceQuentin75001Pari

The objective of this paper is to consider the theory of regularity of systems of partial differential equations with Neumann boundary conditions. It complements previous works of the authors for the Dirichlet case. This type of problem is motivated by stochastic differential games. The Neumann case corresponds to stochastic differential equations with reflection on boundary of the domain.

关键词： Regularity theory Neumann boundary conditions Dirichlet problem

The technology for detection of gamma-ray burst with gECAM satellite

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Radiation Detection Technology and Methods 2022年第1期6卷 12-25页

作者： X.Q.Li X.Y.Wen Z.H.An C.Cai Z.Chang g.Chen C.Chen Y.Y.Du M.gao R.gao K.gong D.Y.guo j.j.He D.j.Hou Y.g.Li C.Y.Li g.Li L.Li X.F.Li M.S.Li X.H.Liang X.j.Liu Y.Q.Liu F.j.Lu H.Lu B.Meng W.X.peng F.Shi X.L.Sun H.Wang j.Z.Wang Y.S.Wang H.Z.Wang X.Wen S.Xiao S.L.Xiong Y.B.Xu Y.p.Xu S.Yang j.W.Yang Q.B.Yi D.L.Zhang Fan Zhang S.N.Zhang C.Y.Zhang C.M.Zhang Fei Zhang X.Y.Zhao Y.Zhao X.Zhou C.S.Zhang j.p.Yu L.Chang K.K.Zhang j.Huang Y.M.Chen X.B.Han Institute of High Energy physics CASBeijing 100049China Xiangtan University Xiangtan 411105China Beijing Normal University Beijing 110875China Beijing glass Research Institute Beijing 101100China Innovation Academy for Microsatellites of CAS Shanghai 201204China

Introduction The main physical objective of the gECAM satellite is to detect gamma-ray bursts,which is related to gravitational waves of double compact object *** gECAM satellite also detects and investigates various bursts of high-energy celestial *** and methods In this study,we designed,developed and calibrated the payload and launched it into orbit with gECAM *** payload consists of the gamma ray detector(gRD,for detecting 4 keV–4 MeV X/γray),the charged particle detector(CpD,for detecting 150 keV–5 MeV charged particle),and the electronic box(EBOX).The all-sky field coverage is achieved via two 229-degree large-area satellites positioned 180 degrees apart and are on opposite sides of the *** satellite is equipped with 25 gRDs and 8 CpDs;thus,the satellite can identify charged particle bursts in ***-ray detectors adopt lanthanum bromide crystal technology combined with silicon *** is the first time that this technology was used massively in space *** The gECAM satellite can quickly determine the direction of gamma-ray bursts(positioning)via indexing and fitting method,while the transmit variability,energy spectrum and direction of the gamma-ray bursts guide subsequent observations through the Beidou-3 RDSS in quasi-real *** will play an important role in the study of high energy celestial bursts.

关键词： gECAM gamma-ray burst Lanthanum bromide crystal Silicon photomultiplier Beidou short message

应用NOAA—AVHRR对江苏省作物进行监测的可行性研究

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环境遥感 1990年第3期5卷 221-227页

作者：王延颐 j.-p.Malingreau 江苏省农业科学院南京农业遥感分中心美国国家航宇局

对江苏省7个样本区连续3年的gVI(全球植被指数global Vegetation Index的缩写)与作物生长及产量的关系进行的研究表明,在江苏省作物组成和天气条件都很复杂的地区可利用NOAA-AVHRR资料对作物的生长季节、生育期、长势及产量趋势进行宏... 详细信息

对江苏省7个样本区连续3年的gVI(全球植被指数global Vegetation Index的缩写)与作物生长及产量的关系进行的研究表明,在江苏省作物组成和天气条件都很复杂的地区可利用NOAA-AVHRR资料对作物的生长季节、生育期、长势及产量趋势进行宏观监测。

关键词：作物监测农业遥感长势产量