《全宋诗》之姜特立、苏泂、郑清之、陈起、许棐、陈著诗重出考辨

《全宋诗》著录诗人九千余人,卷帙浩繁,出之众人,因此不可避免会出现重收诗现象。近来,通过查阅文献,发现姜特立、苏泂、郑清之、陈起、许棐、陈著诸人名下还有不少诗歌与他人重出。这些重出诗一部分是因为《全宋诗》编者在据他书辑佚时产生,还有一部分是清四库馆臣在辑佚编集时产生。值得注意的是,在据《诗渊》《永乐大典》等大型类书辑佚时尤其容易产生重出。     

服务台

《卫星研制文选》《卫星工程文摘》《国防科技名词大典》丛书《国防科技名词大典》是国防科工委为了适应新世纪我国国防科技工业发展的需要,组织包括两院院士在内的3000多名从事国防科技工作的专家和学者,历时两年余编写出版的。这是建国以来第一部由政府组织、行业支持、专家参与的,集国防科技工业各领域专业名词术语于一体的综合性大型专业工具书,是国防科技工业系统专家学者集体智慧的结晶。该书由国防科工委副主任栾恩杰任总主编,国防科工委主任刘积斌为本书撰写了前言,全国政协副主席、中国工程院院长宋健为本书作序。该书内容丰富,图…     

传统文化的魅力不朽——从大叶黄花梨古典家具亮相国家图书馆说开去

作为国家藏书机构,中国国家图书馆是古今中外集精结粹的"文化圣地",世界著名。大叶黄花梨古典家具得以位列其中,占据一席之地,有幸比肩国宝名籍《永乐大典》、《四库全书》等古今典籍和数十万册善本图书,与名家书画相映成辉,其古朴典雅的传统形制和艺术品位,自然会吸引文人雅士、社会名流关注的目光。     

《全宋诗》《全宋文》李新诗文辩伪辑补

李新是宋代较有成就的作家之一,其《跨鳌集》三十卷乃四库馆臣从《永乐大典》辑得,另有《塾训》十三卷、《 书》五卷已佚.《全宋诗》《全宋文》在借鉴前人成果基础上对李新诗文作了辑佚考证,然仍存在误收、失收现象.现查考有关文献,对《全宋诗》误收14首李新诗进行辩伪,并辑存李新诗5首、句1、文4篇,以补《全宋诗》《全宋文》之阙.     

简讯

2007年《工程索引》年刊第二个五万篇简况根据我们查阅的2007年《工程索引》年刊第二个五万篇论文的情况,获悉全世界被EI年刊收录在30行以上的论文有806篇,其中有98篇是华人所著,具体情况见下表:EI编号范围050001~060000060001~070000070001~080000080001~090000090001~1000000     

洪武、永乐朝的政治生态及对士大夫的影响

有明一代,士大夫面临的政治生态环境颇为严酷。明初洪武、永乐两朝的政治制度改革和对待士大夫的方式方法强烈地打击了士大夫参政的意愿。朱元璋废除宰相制度、朱棣杀害方孝孺等可作为明代统治者对待士大夫态度恶劣的象征性事件。与之相应,明初士大夫的心态也由宋代的心怀天下,转为独善其身,甚至避免出仕。     

2007年《工程索引》年刊二十四万余篇简况

根据我们查阅的2007年《工程索引》年刊二十四万篇论文的情况,获悉全世界被EI年刊收录在30行以上的论文有3571篇,其中有502篇是华人所著,具体情况见下表:EI编号范围000001～050000050001～100000100001～150000150001～200000200001～245350000001～245350a=EI年刊收录全世界华     

成都科技大学学报被列为中国科技核心期刊

中国科学院文献情报中心,根据国家自然科学基金会资助课题的研究方向,在国外重要检索工具《科学引文索引》(SCI)、《工程索引》(EI)、《化学索引》(CA)、《数学评论》(MR)等收录的中国科技期刊和国内已发表的“关于选择中文核心期刊的     

2007年《工程索引》年刊最后四万五千余篇简况

根据我们查阅的2007年《工程索引》年刊最后四万五千余篇论文的情况,获悉全世界被EI年刊收录在30行以上的论文有671篇,其中有95篇是华人所著,具体情况见下表:EI编号范围200001～210000210001～220000220001～230000230001～240000240001～245350200001～245350a=EI年刊收录全世     

朴实无华的《中国菜肴史》

<正> 全面反映中国菜肴发展历史的著作,过去不曾有过。元代,虽曾出现过无作者姓名的所谓《馔史》,但内容单薄,体例冗杂,与“史”不符。近人也有过《中国烹饪史略》等综述中国烹饪发展史的著作,但对菜肴的发展历史,亦缺乏深入系统地研究,语焉不详。《中国烹饪百科全书》虽列有《菜肴史》条目,但毕竟是以百科条目形式出现的,不可能展开叙述。仅有两万字左右的条目文字,很难勾画出中国五千年菜肴发展史的宏伟广博。     

抽样调查中的不完全数据处理研究

抽样调查中经常会出现数据缺失现象,尤其是当数据为不可忽略的缺失时,如何对数据进行填充才能使得估计有效便成为需要关注的问题．作者对数据缺失机制以及不完全数据填充方法进行了综合性研究,同时讨论了导致缺失数据的敏感性问题的抽样调查方式以及如何提高抽样调查的回答率等．     

Bleeder entry evaluation using condition mapping and numerical modeling

One of the most common critical areas of longwall mining in terms of ground stability are the gateroad and bleeder entries. These critical entries provide much-needed safe access for miners and allow for adequate ventilation required for dilution of hazardous airborne contaminants and must remain open during mining of a multi-panel district. This paper is focused on the stability of the longwall entries subjected to a single abutment load such as bleeders, first tailgate, and last headgate. First tailgate and last headgate are also referred to as blind headgate and tailgate. A study of a longwall district through conditions mapping, support evaluations, and numerical modeling was conducted and evaluated by researchers from the National Institute for Occupational Safety and Health(NIOSH). The condition mapping and support evaluations were performed on entries that spanned the previous five years of mining and relied on a diverse selection of supports to maintain the functionality of the entry. Numerical modeling was also conducted to evaluate various support types with further investigation and comparison to the condition mapping.The study demonstrated the importance of the abutment load decay versus distance from the gob edge,the potential for a reduction in material handling related injuries, as well as optimal usage of secondary and standing support.     

Deep cover bleeder entry performance and support loading: A case study

Several questions have emerged in relation to deep cover bleeder entry performance and support loading:how well do current modeling procedures calculate the rear abutment extent and loading? Does an improved understanding of the rear abutment extent warrant a change in standing support in bleeder entries? To help answer these questions and to determine the current utilization of standing support in bleeder entries, four bleeder entries at varying distances from the startup room were instrumented,observed, and numerically modeled.This paper details observations made by NIOSH researchers in the bleeder entries of a deep cover longwall panel—specifically data collected from instrumented pumpable cribs, observations of the conditions of the entries, and numerical modeling of the bleeder entries during longwall extraction.The primary focus was on the extent and magnitude of the abutment loading experienced by the standing support.As expected, the instrumentation of the standing supports showed very little loading relative to the capacity of the standing supports—less than 23 Mg load and 2.54 cm convergence.The Flac3D program was used to evaluate these four bleeder entries using previously defined modeling and input parameter estimation procedures.The results indicated only a minor increase in load during the extraction of the longwall panel.The model showed a much greater increase in stress due to the development of the gateroad and bleeder entries, with about 80% of the increase associated with development and 20% with longwall extraction.The Flac3D model showed very good correlation between expected gateroad loading during panel extraction and that expected based on previous studies.The results of this study showed that the rear abutment stress experienced by this bleeder entry design was minimal.The farther away from the startup room, the lower the applied load and smaller the convergence in the entry if all else is held constant.Finally, the numerical modeling method used in this study was capable of replicating the expected and measured results near seam.     

A case study of multi-seam coal mine entry stability analysis with strength reduction method

In this paper,the advantage of using numerical models with the strength reduction method(SRM) to evaluate entry stability in complex multiple-seam conditions is demonstrated.A coal mine under variable topography from the Central Appalachian region is used as a case study.At this mine,unexpected roof conditions were encountered during development below previously mined panels.Stress mapping and observation of ground conditions were used to quantify the success of entry support systems in three room-and-pillar panels.Numerical model analyses were initially conducted to estimate the stresses induced by the multiple-seam mining at the locations of the affected entries.The SRM was used to quantify the stability factor of the supported roof of the entries at selected locations.The SRM-calculated stability factors were compared with observations made during the site visits,and the results demonstrate that the SRM adequately identifies the unexpected roof conditions in this complex case.It is concluded that the SRM can be used to effectively evaluate the likely success of roof supports and the stability condition of entries in coal mines.     

基于SimRank的百度百科词条语义相似度计算

提出一种利用百度百科半结构化数据自动获取词语相似度的方法,该方法将百科词条与其相关词条看做有向图的两个节点,且两节点相互之间存在着链接关系,然后利用SimRank算法计算百科词条语义相似度。实验表明,该方法优于传统的词语语义相似度测量,能准确地反映词语之间的语义关系。     

矿井下定位系统通信模块的设计

针对目前矿井下定位通信系统研究和应用现状,提出一种可供矿井下定位系统使用的通信模块设计。阐述了该通信模块的硬件设计和软件设计,介绍了所使用的新跳频序列的原理和实现算法,并对通信模块的性能进行了分析。该通信模块能为矿井下定位系统提供快速可靠的信息采集,同时提高了系统的抗干扰能力。应用该通信模块的矿井下定位通信系统在丢失率指标上较其它现有系统低。     

A case study of the stability of a non-typical bleeder entry system at a U.S. longwall mine

Longwall abutment loads are influenced by several factors, including depth of cover, pillar sizes, panel dimensions, geological setting, mining height, proximity to gob, intersection type, and size of the gob.How does proximity to the gob affect pillar loading and entry condition? Does the gob influence depend on whether the abutment load is a forward, side, or rear loading? Do non-typical bleeder entry systems follow the traditional front and side abutment loading and extent concepts? If not, will an improved understanding of the combined abutment extent warrant a change in pillar design or standing support in bleeder entries? This paper details observations made in the non-typical bleeder entries of a moderate depth longwall panel—specifically, data collected from borehole pressure cells and roof extensometers,observations of the conditions of the entries, and numerical modeling of the bleeder entries during longwall extraction. The primary focus was on the extent and magnitude of the abutment loading experienced due to the extraction of the longwall panels. Due to the layout of the longwall panels and bleeder entries, the borehole pressure cells(BPCs) and roof extensometers did not show much change due to the advancing of the first longwall. However, they did show a noticeable increase due to the second longwall advancement, with a maximum of about 4 MPa of pressure increase and 5 mm of roof deformation. The observations of the conditions showed little to no change from before the first longwall panel extraction began to when the second longwall panel had been advanced more than 915 m. Localized pillar spalling was observed on the corners of the pillars closest to the longwall gob as well as an increase in water in the entries. In addition to the observations and instrumentation, numerical modeling was performed to validate modeling procedures against the monitoring results and evaluate the bleeder design.ITASCA Consulting Group's FLAC3 D numerical modeling software was used to evaluate the bleeder entries. The results of the models indicated only a minor increase in load during the extraction of the longwall panels. These models showed a much greater increase in stress due to the development of the gateroad and bleeder entries--about 80% development and 20% longwall extraction. The FLAC3 D model showed very good correlation between modeled and expected gateroad loading during panel extraction. The front and side abutment extent modeled was very similar to observations from this and previous panels.     

蒯祥的生平年代和建筑作品

蒯祥(1398-1481)原是苏州吴县的木工巧匠,永乐十五年应召到北京,由营缮所丞历官至工部左侍郎,年八十余尚执役供奉内廷,为宫廷总建筑师,当时北京宫殿、皇陵及文武诸司等,多是蒯祥主持营造。蒯祥善作图样,无不称上意,能双手握笔画龙,合之如一,为明代首屈一指的建筑大师,皇帝以“蒯鲁班”称之。本文从发掘史源学材料入手,考述蒯祥的生平事迹,第一次考出其确切生卒年代,对于研究同一时期的北京建筑活动和蒯祥史料真伪,都是有重要意义。     

A double weighted LS-SVM model for data estimation in wireless sensor networks

In wireless sensor networks,data missing is a common problem due to sensor faults,time synchronization,malicious attacks,and communication malfunctions,which may degrade the network' s performance or l...