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  • Engineering
  • 2000-2004  (3)
  • 1990-1994  (3.321)
  • 1980-1984  (1.378)
  • 1965-1969  (32)
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  • 1
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    Biological networks: the tinkerer as an engineer (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 2003-09-27
    Beschreibung: This viewpoint comments on recent advances in understanding the design principles of biological networks. It highlights the surprising discovery of "good-engineering" principles in biochemical circuitry that evolved by random tinkering.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Alon, U -- New York, N.Y. -- Science. 2003 Sep 26;301(5641):1866-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot, Israel 76100. urialon@weizmann.ac.il〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/14512615" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Biochemical Phenomena ; Biochemistry ; *Biological Evolution ; *Biology ; DNA/metabolism ; Engineering ; *Models, Biological ; Proteins/metabolism ; Signal Transduction ; Systems Theory
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
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    Interdisciplinary research. Keck gives $40 million for academies initiative (2003)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 2003-04-26
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bhattacharjee, Yudhijit -- New York, N.Y. -- Science. 2003 Apr 25;300(5619):565.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12714717" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Academies and Institutes ; Engineering ; *Foundations ; Institute of Medicine (U.S.) ; *National Academy of Sciences (U.S.) ; *Research Support as Topic ; United States
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
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  • 3
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    Planetary science. Safety versus science on next trips to Mars (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 2002-05-11
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kerr, Richard A -- New York, N.Y. -- Science. 2002 May 10;296(5570):1006-8.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/12004100" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Engineering ; Extraterrestrial Environment ; Geological Phenomena ; Geology ; *Mars ; *Safety ; Space Flight ; *Spacecraft ; United States ; United States National Aeronautics and Space Administration ; Water
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
    Standort Signatur Erwartet Verfügbarkeit
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  • 4
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    M.D.-Ph.D. degrees (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 1993-12-17
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gottheil, D L -- Waldrop, T G -- New York, N.Y. -- Science. 1993 Dec 17;262(5141):1801-2.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8266063" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Education, Graduate ; *Education, Medical ; Engineering ; Humanities ; Humans ; Research ; Science ; Social Sciences
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
    Standort Signatur Erwartet Verfügbarkeit
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  • 5
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    Women scientists and engineers: trends in participation (1981)
    American Association for the Advancement of Science (AAAS)
    Details
    Publikationsdatum: 1981-12-18
    Beschreibung: Women have made tremendous strides in educational attainment in science and engineering over the past decade, increasing their proportion of doctorate awards in these fields from 7 percent in 1965 to 23 percent in 1980. But they still have higher unemployment rates and lower salaries than men in all fields of science and engineering, at all degree levels, and at all levels of experience; and the disparities between men and women widen with higher degree levels and with years of experience. Graduate enrollments indicate continuing increases over at least the next several years in degree awards to women, but their access to equal employment and advancement opportunities is not assured.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Vetter, B M -- New York, N.Y. -- Science. 1981 Dec 18;214(4527):1313-21.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7313688" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Education, Graduate ; Employment ; Engineering ; Female ; Humans ; Salaries and Fringe Benefits ; *Science ; *Women
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Publiziert von American Association for the Advancement of Science (AAAS)
    Standort Signatur Erwartet Verfügbarkeit
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  • 6
    Digitale Medien
    Digitale Medien
    Introducing engineering into American secondary education (1993)
    Springer
    Journal of science education and technology 2 (1993), S. 397-406 
    Details
    ISSN: 1573-1839
    Schlagwort(e): Engineering ; technological literacy ; hands-on experiments ; active learning ; content instruction ; videotaping
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Allgemeine Naturwissenschaft , Technik allgemein
    Notizen: Abstract Media reports indicate the decline of the technological literacy of American youth, especially that students in other countries are better prepared in science and mathematics. Our active-learning program, which consists of numerous hands-on experiments, introduces engineering applications into science and math programs, that will demonstrate to students the usefulness of the theory that they currently do not see as useful. The program, when fully developed, will make optimum use of technology, especially computers and videotapes. The hands-on experiments allow students to discover fundamental principles through data analysis and then use the principles to synthesize a solution to a technological problem. This discovery-based education will help school systems better meet performance standards such as those in the Maryland School Performance Plan. The experimental approach to science education is especially important in a technology-oriented economy where children use the new technologies without understanding the principles on which they are based.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00694528
    Standort Signatur Erwartet Verfügbarkeit
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  • 7
    Digitale Medien
    Digitale Medien
    Derivation of first-passage time distribution of a single lift for arbitrary traffic (1980)
    Chichester [u.a.] : Wiley-Blackwell
    International Journal for Numerical Methods in Engineering 15 (1980), S. 1-11 
    Details
    ISSN: 0029-5981
    Schlagwort(e): Engineering ; Engineering General
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Mathematik , Technik allgemein
    Notizen: The distribution of the first-passage time is of decisive importance in lift (elevator) design. It yields the easure of performance of the system, the expected number of stops, the interval (i. e. time elapsed between two successive departures from a given floor) and many other parameters and factors determining the required number of lifts in a building. The derivation is based on the transition probability matrix of the operation policy, and consists in solving a system of linear equations.
    Zusätzliches Material: 3 Tab.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/nme.1620150102
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  • 8
    Digitale Medien
    Digitale Medien
    On the analysis of accuracy for two-equation transient problems (1980)
    Chichester [u.a.] : Wiley-Blackwell
    International Journal for Numerical Methods in Engineering 15 (1980), S. 55-62 
    Details
    ISSN: 0029-5981
    Schlagwort(e): Engineering ; Engineering General
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Mathematik , Technik allgemein
    Notizen: Fourier analysis of numerical accuracy has traditionally concentrated on the propagation behaviour of various methods. When systems of equations in more than one unknown are involved, analysis of propagation accuracy alone is shown to be incomplete. A distribution factor is introduced to complement the Fourier analysis in these cases, and application of the concept to two problems commonly encountered in the water resources field is demonstrated. The distribution factor is shown to provide important information which cannot be obtained from the customary analysis of propagation accuracy.
    Zusätzliches Material: 2 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/nme.1620150106
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  • 9
    Digitale Medien
    Digitale Medien
    The limitations of the patch test (1980)
    Chichester [u.a.] : Wiley-Blackwell
    International Journal for Numerical Methods in Engineering 15 (1980), S. 177-188 
    Details
    ISSN: 0029-5981
    Schlagwort(e): Engineering ; Engineering General
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Mathematik , Technik allgemein
    Notizen: A simple approximation by nonconforming finite elements is presented that passes the patch test of Irons and Strang but does not yield approximate solutions converging to the solution of the given boundary value problem. It is constructed from continuous piecewise linear functions perturbed by step functions. Further, strange convergence properties of such approximations are explained in all details because they may be typical for the behaviour of nonconforming finite elements violating the basic precondition for convergence.
    Zusätzliches Material: 1 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/nme.1620150203
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  • 10
    Digitale Medien
    Digitale Medien
    Primitive variable finite element formulations for steady viscous flows (1980)
    Chichester [u.a.] : Wiley-Blackwell
    International Journal for Numerical Methods in Engineering 15 (1980), S. 209-223 
    Details
    ISSN: 0029-5981
    Schlagwort(e): Engineering ; Engineering General
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Mathematik , Technik allgemein
    Notizen: The solution of incompressible, viscous flow problems using the primitive variable finite element approach is formulated in a coherent and physically reasoned exposition. In particular, it is shown that terms associated with changes in momentum caused by lack of mass conservation should logically be included in the governing equations. Previous formulations have not considered this possibility. Numerical results are presented to show the effect of inclusion of these extra terms; however, it is concluded from the numerical results for the specific case which was tested that there is no obvious benefit obtained by including these terms.
    Zusätzliches Material: 8 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/nme.1620150205
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