【摘 要】
：
20世纪90年代，历史进入了信息时代。信息化浪潮席卷全球，信息对于人类社会的生存和发展有着重要的作用，人类已普遍认识到信息的价值。21世纪我国图书馆发展趋势集中体现在工作手
论文部分内容阅读
20世纪90年代，历史进入了信息时代。信息化浪潮席卷全球，信息对于人类社会的生存和发展有着重要的作用，人类已普遍认识到信息的价值。21世纪我国图书馆发展趋势集中体现在工作手段自动化、业务工作标准化、信息服务网络化、馆藏载体多样化、图书情报一体化、人员结构层次化
In the 1990s, history entered the information age. The wave of information has swept the world, and information plays an important role in the survival and development of human society. Mankind has generally recognized the value of information. The development trend of our country’s libraries in the 21st century is mainly reflected in the automation of working methods, the standardization of business operations, the network of information services, the diversification of collection carriers, the integration of library and information, and the hierarchization of personnel structure
其他文献
In this note,the off-shell generalized Abbott-Deser-Tekin (ADT) formalism is applied to explore the mass of Kerranti-de Sitter (Kerr-AdS) black holes in various
本文通过对移栽地膜棉的试验，发现棉花进行地膜覆盖移栽不仅具有明显的保墒、增温、抑草效果，棉田环境优化，而且可加快棉株生育进程，优化群体质量，促进棉花早成铃，多成铃，棉花产量提
Using high-throughput first-principles calculations, we systematically studied the synergistic effect of alloying two elements (Al and 28 kinds of 3d, 4d, and 5
步入图书馆界，弹指一挥间，35年过去了。漫漫的图书馆生涯，平淡无奇，没有可歌可泣的业绩。今天回顾那历程，固然有些苦涩，但更多的是感激和怀念。我十分幸运，得到了不少人真诚的帮助。
We construct a family of d-dimensional Reissner-Nordstr(o)m-AdS black holes inspired by noncommutative geometry.The density distribution of the gravitational so
Research on protein-membrane interactions has been undeveloped due to the lack of proper techniques to detect the position of proteins at membranes because memb
黄自元艺术简介黄自元(1836-1916),字敬舆,号澹叟,湖南安化龙塘人。同治六年(1867)举于乡,七年后获殿试第二名(榜眼),赐进士及第,授翰林院编修,曾任庚午顺天乡试主考官、癸酉
In this paper, we introduce a method of quantitatively evaluating and controlling the space charge effect of a laser-cooled three-dimensional (3D) ion system in
The study on deflagration-to-detonation transition (DDT) is very important because this mechanism has relevance to safety issues in industries, where combustibl