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  • STRUCTURAL MECHANICS  (56)
  • Chemical Engineering
  • Life and Medical Sciences
  • 1980-1984
  • 1970-1974  (118)
  • 1960-1964
  • 1940-1944
  • 1973  (118)
Collection
Keywords
Publisher
Years
  • 1980-1984
  • 1970-1974  (118)
  • 1960-1964
  • 1940-1944
Year
  • 1
    Electronic Resource
    Electronic Resource
    Parameterization of complex reaction systems: Model fitting vs. fundamental kinetics (1973)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 19 (1973), S. 638-639 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690190334
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Synthesis in the design of chemical processes (1973)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 19 (1973), S. 1-15 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Until recently, the subject of chemical process synthesis was largely ignored in the chemical engineering literature despite its importance in chemical engineering practice. However since 1968, attention to the subject has greatly increased and important progress has been made. This review article critically surveys the readily accessible literature in chemical process synthesis from two points of view: theory and applications. It is concluded that a number of effective synthesis tools are now available for application in industrial chemical process design. However, much more remains to be done, particularly with regard to the development of synthesis procedures which can lead to novel processing system structures.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690190103
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Some thermodynamic aspects of petroleum recovery by methane pressurization (1973)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 19 (1973), S. 846-848 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Additional Material: 4 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690190425
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  • 4
    Electronic Resource
    Electronic Resource
    On fixed bed sorption behavior of gases with nonlinear equilibria (1973)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 19 (1973), S. 852-853 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690190428
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  • 5
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    Unknown
    The elastic layer with a cylindrical hole subjected to a nonuniform axisymmetric radial displacement. (1973)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: A problem in the linear theory of elasticity is considered wherein a layer with a circular cylindrical hole is subjected to a nonuniform axisymmetric radial displacement. The solution utilizes Navier's equations of elasticity which are solved by means of extended Hankel transforms. A special case in which the radial displacement is a linear function of the axial coordinate is presented. Numerical results are given in graphical form for the case when hole radius and layer thickness are equal. The inversion integrals were evaluated numerically using Longman's technique for computing infinite integrals of oscillatory functions.
    Keywords: STRUCTURAL MECHANICS
    Type: Acta Mechanica; 17; 1-2,; 1973
    Format: text
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    NASA TECHNICAL REPORTS
  • 6
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    Unknown
    Nonlinear vibrations of rectangular plates. (1973)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: A finite-difference method is developed to determine the large amplitude dynamic responses of thin elastic plates subjected to uniform pressure pulse-type loads. Four different sets of boundary conditions are considered. Some specific problems are solved. The results are compared with approximate solutions obtained by Yamaki (1961). The numerical method presented provides an accurate and efficient approximate solution to the problem, and should be useful as a check on other approximate methods. The grid-size and the time-step necessary for obtaining numerical stability depend on the particular problem. For many cases the method converges rapidly and a rather large grid-size and time-step is adequate.
    Keywords: STRUCTURAL MECHANICS
    Type: American Society of Civil Engineers; Journal
    Format: text
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    NASA TECHNICAL REPORTS
  • 7
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    Evaluation of Stress Corrosion Cracking Susceptibility Using Fracture Mechanics Techniques, Part 1 (1973)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: Stress corrosion cracking (SSC) tests were performed on 13 aluminum alloys, 13 precipitation hardening stainless steels, and two titanium 6Al-4V alloy forgings to compare fracture mechanics techniques with the conventional smooth specimen procedures. Commercially fabricated plate and rolled or forged bars 2 to 2.5-in. thick were tested. Exposures were conducted outdoors in a seacoast atmosphere and in an inland industrial atmosphere to relate the accelerated tests with service type environments. With the fracture mechanics technique tests were made chiefly on bolt loaded fatigue precracked compact tension specimens of the type used for plane-strain fracture toughness tests. Additional tests of the aluminum alloy were performed on ring loaded compact tension specimens and on bolt loaded double cantilever beams. For the smooth specimen procedure 0.125-in. dia. tensile specimens were loaded axially in constant deformation type frames. For both aluminum and steel alloys comparative SCC growth rates obtained from tests of precracked specimens provide an additional useful characterization of the SCC behavior of an alloy.
    Keywords: STRUCTURAL MECHANICS
    Type: NASA-CR-124469
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 8
    Electronic Resource
    Electronic Resource
    Stereotaxic map of the muscle fibers in the indirect flight muscles of Drosophila melanogaster (1973)
    New York, NY : Wiley-Blackwell
    Journal of Morphology 140 (1973), S. 153-158 
    Details
    ISSN: 0362-2525
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: It is possible to monitor the electrical activity of the motor neurons of Drosophila by recording the electrical activity of the muscle fibers. We have found that it is possible to specify the location of the subcuticular terminations and to describe the orientation within the thorax for the individual muscle fibers, because of the large size of the fibers and because the surface anatomy of Drosophila is known in detail. A map has been made to indicate the location of the muscle fibers with respect to superficial landmarks. The importance of the stereotaxic map for physiological studies is discussed.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jmor.1051400203
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  • 9
    Electronic Resource
    Electronic Resource
    Gross and microscopic morphology of the Glandula proctodealis (foam gland) of Coturnix c. japonica (Aves)Michigan Agricultural Experiment Station Journal Article 5948. (1973)
    New York, NY : Wiley-Blackwell
    Journal of Morphology 141 (1973), S. 171-184 
    Details
    ISSN: 0362-2525
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: The dorsal proctodeal wall of the Coturnix contains a gland which is especially well-developed in the sexually active male and which secretes a foamy exudate. This gland has not been recorded in any other genus of birds and appears to be unique to members of the genus Coturnix. On the basis of its location in the adult we have named this gland the proctodeal gland (glandula proctodealis). Structure of the gland does not conform to any curently defined category of glands because it is an aggregate of individual glandular units each of which opens independently into the proctodeal cavity but with the entire structure enclosed by a connective tissue capsule. We have thus characterized it as an aggregate gland. Observations on the arrangement and composition of the fibrous capsule and its intimate relationship to the perimysium of M. sphincter cloacae indicate that release of the secretion probably results from contraction of the cloacal musculature. Preliminary data suggest that development of glandular tissue in the female may be a function of age rather than of androgen sensitivity which characterizes the male gland. It is concluded that the chemical nature of the glandular secretion and its function in the sexually active bird, as based on presently available information, remains unknown.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jmor.1051410205
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  • 10
    Electronic Resource
    Electronic Resource
    Particle size analysis and structure of chromium hydrous oxide sols in the size range of less than 0.5 μm (1973)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 19 (1973), S. 602-608 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Particle size measurements of chromium hydrous oxide sols using electron microscopy and light scattering techniques were in excellent agreement. Comparison was based on the most probable diameter and width of the distribution. The normal, lognormal, and zero-order logarithmic density functions provided good first-order approximations to the particle size measurements. The chromium hydrous sols were less than 0.5 μm in size.A closed wet cell specimen holder in an electron microscope was developed to observe, in situ, the chromium hydrous oxide sols. The colloidal particles had a uniform spherical shape with a narrow size distribution. Observation of the particle formation process in the closed wet cell qualitatively supports the mechanism that basic polymeric sulfates act as embryos in the formation of these particles.
    Additional Material: 12 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690190328
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