全文获取类型
收费全文 | 91篇 |
免费 | 3篇 |
专业分类
教育 | 58篇 |
科学研究 | 7篇 |
各国文化 | 1篇 |
体育 | 8篇 |
文化理论 | 7篇 |
信息传播 | 13篇 |
出版年
2022年 | 1篇 |
2020年 | 4篇 |
2019年 | 2篇 |
2018年 | 5篇 |
2017年 | 1篇 |
2015年 | 1篇 |
2013年 | 17篇 |
2012年 | 4篇 |
2011年 | 3篇 |
2010年 | 2篇 |
2009年 | 5篇 |
2008年 | 5篇 |
2007年 | 1篇 |
2006年 | 3篇 |
2005年 | 3篇 |
2004年 | 8篇 |
2003年 | 1篇 |
2002年 | 1篇 |
2001年 | 1篇 |
2000年 | 1篇 |
1998年 | 1篇 |
1996年 | 1篇 |
1994年 | 1篇 |
1993年 | 1篇 |
1992年 | 1篇 |
1991年 | 1篇 |
1986年 | 1篇 |
1984年 | 1篇 |
1983年 | 2篇 |
1981年 | 2篇 |
1978年 | 2篇 |
1977年 | 1篇 |
1975年 | 2篇 |
1968年 | 1篇 |
1967年 | 1篇 |
1966年 | 1篇 |
1964年 | 1篇 |
1955年 | 1篇 |
1954年 | 1篇 |
1919年 | 1篇 |
1870年 | 1篇 |
排序方式: 共有94条查询结果,搜索用时 31 毫秒
81.
Mins Minssen Wolfgang Buender Wilhelm Walgenbach 《International Journal of Science Education》2013,35(3):285-293
Summaries English This paper describes the philosophy as well as the actual and possible utilization of a model curriculum recently developed in FR Germany. The curriculum contains two parts: one of which deals with teacher training. Here teachers are provided with information, guidelines and procedures, which are to enable them to construct an integrated curriculum—setting out from a special subject within a special discipline. The other part contains a model curriculum for use in schools. It centres around the evolution of the macromolecule concept. Both parts are determined by a philosophy which stresses the importance of the unification of aesthetic and rationalistic elements in science and science education. Generally, it reconsiders the separation between the examining subject, on one side, and nature as the object of examination, on the other side. The actual process of dissemination and implementation is discussed along with future strategies. It is claimed that the model is confined neither to the specific German situation nor to the topic of the evolution of the specific macromolecule concept. 相似文献
82.
83.
84.
85.
86.
Wilhelm K 《New scientist (1971)》1984,103(1418):46-48
87.
Marc Beyerle Joachim Franz und Wilhelm G. Spruth 《Informatik - Forschung und Entwicklung》2005,20(1-2):102-111
Zusammenfassung Die Nutzung von Java zur Entwicklung von Anwendungen für Hochleistungstransaktionssysteme stellt besondere Anforderungen an
die Isolation und das Leistungsverhalten in der transaktionalen Ausführung.
In dem vorliegenden Beitrag wird eine neuartige Technologie beschrieben, die verbesserte Isolationseigenschaften und eine
erhebliche Leistungssteigerung erm?glicht. Die Persistent Reusable Java Virtual Machine erweitert eine normale Java Virtual Machine um gemeinsam genutzte Klassen und um eine Reset-Funktionalit?t, die eine serielle
Wiederverwendbarkeit erm?glicht.
In einer Benchmark-Untersuchung unter z/OS wurde hiermit ein Performance-Gewinn um einen Faktor 325 im Vergleich mit einer
normalen JVM erreicht. Für das Erstellen von Transaktionsanwendungen unter dem Betriebssystem z/OS sind Enterprise Java Beans
damit eine ernstzunehmende Alternative zu bisherigen Programmiermodellen.
The use of Java for the development of new applications in high-end transaction systems generates special isolation and performance requirements. A new technology offering improved isolation and a significant performance improvement is discussed in this article. The Persistent Reusable Java Virtual Machine extends a regular Java Virtual Machine by adding the facility to share classes and by providing a reset functionality, which permits serial reuse of the JVM. A z/OS benchmark demonstrated a performance improvement by a factor of 325, compared to a regular JVM. Thus the use of Enterprise Java Beans has to be considered as a serious alternative when developing new transactional applications under the z/OS operating system.
相似文献
88.
This study aims to analyse the use of various forms of “knowledge utilisation” to integrate strategic customer knowledge in order to be one step ahead of the market and competitors. For this purpose, premises, processes, and factors are highlighted, which are essential to incorporate the knowledge of strategic customers into the knowledge base of knowledge-intensive small- to medium-sized enterprises (SME) and therefore contribute to the commercialisation of knowledge-intensive products as well as services. Here a knowledge marketing strategy may support the commercial exploitation of these products and services. Since research and literature in the field of knowledge marketing (especially in knowledge-intensive SMEs) is still scarce, the authors regard a qualitative research approach as appropriate. In the analysed cases, three necessary processes have been identified: (1) Developing knowledge networks, (2) solving customer problems, and (3) possessing the absorptive capacity to understand and integrate customer knowledge. 相似文献
89.
90.
Wilhelm Gschel 《Endeavour》1981,5(4):158-166
The use of satellites for linking major television systems is now well established, but a further important development is now imminent. This is to transmit television programmes via satellites stationary relative to the Earth, from which they are beamed back to individual receiving sets on the ground. The advantages are better reception and the elimination of the need for a multiplicity of booster stations on the ground. This system, which has already achieved experimental success and is expected to become operative in Europe in the mid-1980s, is here reviewed with special reference to the Franco-German project formally approved last year. 相似文献