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  • 1
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    Task force's prevention advice proves hard to swallow. Interview by Eliot Marshall (2012)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2012-09-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Moyer, Virginia -- New York, N.Y. -- Science. 2012 Sep 21;337(6101):1468-70.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22997318" target="_blank"〉PubMed〈/a〉
    Keywords: *Advisory Committees ; Breast Neoplasms/diagnosis/*prevention & control ; *Early Detection of Cancer/statistics & numerical data ; Evidence-Based Medicine ; Female ; Health Policy ; Humans ; Male ; *Mammography/statistics & numerical data ; Prostate-Specific Antigen/blood ; Prostatic Neoplasms/diagnosis/*prevention & control ; Public Opinion ; United States ; United States Dept. of Health and Human Services/*organization & administration
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Cell banks: life blood (2013)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2013-06-28
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Moyer, Melinda Wenner -- England -- Nature. 2013 Jun 27;498(7455):S16. doi: 10.1038/498S16a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23803945" target="_blank"〉PubMed〈/a〉
    Keywords: *Blood Banks ; *Cord Blood Stem Cell Transplantation/adverse effects ; Female ; *Graft vs Leukemia Effect/immunology ; Health Education ; Humans ; Infant, Newborn ; Interleukin-7/immunology/therapeutic use ; Leukemia/immunology/pathology/*therapy ; Leukemia, Myeloid, Acute/immunology/pathology/therapy ; Male ; Pregnancy ; Umbilical Cord/*cytology
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 3
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    Candidate gene associated with a mutation causing recessive polycystic kidney disease in mice (1994)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1994-05-27
    Description: A line of transgenic mice was generated that contains an insertional mutation causing a phenotype similar to human autosomal recessive polycystic kidney disease. Homozygotes displayed a complex phenotype that included bilateral polycystic kidneys and an unusual liver lesion. The mutant locus was cloned and characterized through use of the transgene as a molecular marker. Additionally, a candidate polycystic kidney disease (PKD) gene was identified whose structure and expression are directly associated with the mutant locus. A complementary DNA derived from this gene predicted a peptide containing a motif that was originally identified in several genes involved in cell cycle control.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Moyer, J H -- Lee-Tischler, M J -- Kwon, H Y -- Schrick, J J -- Avner, E D -- Sweeney, W E -- Godfrey, V L -- Cacheiro, N L -- Wilkinson, J E -- Woychik, R P -- IAG 222Y01-ES-10067/ES/NIEHS NIH HHS/ -- R01 DK45633-01/DK/NIDDK NIH HHS/ -- R01 HD25323/HD/NICHD NIH HHS/ -- etc. -- New York, N.Y. -- Science. 1994 May 27;264(5163):1329-33.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of Tennessee Graduate School of Biomedical Sciences, Biology Division, Oak Ridge National Laboratory, TN 37831-8077.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/8191288" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; *Caenorhabditis elegans Proteins ; Crosses, Genetic ; Female ; Homozygote ; Kidney Tubules/pathology ; Liver/pathology ; Male ; Mice ; Mice, Inbred C3H ; Mice, Transgenic ; Molecular Sequence Data ; Mutagenesis, Insertional ; *Nerve Tissue Proteins ; Phenotype ; Polycystic Kidney, Autosomal Recessive/*genetics/pathology ; Proteins/chemistry/*genetics ; *Tumor Suppressor Proteins
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 4
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    On the solution of problems involving impact type loading (1984)
    In:  Other Sources
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    Publication Date: 2019-06-28
    Description: The response of beam and plate members to pulse and impact loading is investigated, and numerical methods are analyzed and compared. The equations of motion, the finite difference and finite element methods, the time integration/Runge-Kutta techniques, and material modeling are discussed in detail. It is found that both the finite difference and the finite element methods could be accurately employed to discretize the spatial variation in the displacements. Central differences or a fourth order Runge-Kutta algorithm could be used for the time integration. The total energy of the system would give the stability and accuracy of the solution. Results showed that the finite element method provided better efficiency in obtaining accurate solution than the finite difference method when a scalar processor is used. However, the finite difference method was more efficient on the vector processor. Therefore, the most efficient method of solution depends on the type of computer present for the analysis.
    Keywords: STRUCTURAL MECHANICS
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    NASA TECHNICAL REPORTS
  • 5
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    Response of composite plates subjected to acoustic loading (1989)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: The objectives of the project were to investigate numerical methodology for the determination of narrowband response in the geometrically nonlinear regime, to determine response characteristics for geometrically nonlinear plates subjected to random loading and to compare the predictions with experiments to be performed at NASA-Langley. The first two objectives were met. The response of composite plates subjected to both narrowband and broadband excitation were studied and the results are presented and discussed.
    Keywords: STRUCTURAL MECHANICS
    Type: NASA-CR-184618 , NAS 1.26:184618
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  • 6
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    Biaxial load effects in the mechanics of fracture (1984)
    In:  Other Sources
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    Publication Date: 2019-06-28
    Description: Experimental findings on the effects of biaxial loading on fracture toughness, non-self-similar growth problems, fatigue crack propagation, and subcritical growth properties are reviewed, together with the fundamental analytical solutions for problems of crack in an elastic solid under biaxial loading. Basic asymptotic field representations, and some stress-intensity factor solutions are presented. The effects of biaxial loading on problems involving plastic deformation are illustrated with recent numerical results. Early asymptotic solutions for a nonlinear elastic solid are discussed with emphasis on the solution of problems with significant plastic deformation, and on stable crack growth. A brief survey of the applications literature, and recommendations for future studies are included.
    Keywords: STRUCTURAL MECHANICS
    Type: Aeronautical Society of India, Journal (ISSN 0001-9267); 36; 221-236
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  • 7
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    Vibration response of geometrically nonlinear elastic beams subjected to pulse and impact loading (1985)
    In:  Other Sources
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    Publication Date: 2019-06-28
    Description: An understanding of the response of composite laminates to foreign object impact is of fundamental importance to the design and the accurate evaluation of aircraft and aerospace structures. A characterization of the basic deformation response of the system is needed for the accurate and consistent modeling of the damage caused by the impact. The response to low velocity impact of foreign objects (less than 10 m/sec at 10 J of impact energy or less) is of particular interest because it corresponds to tool drop problems. An investigation of the vibration response of a simple square beam was conducted, taking into account both sharp initial velocity pulse conditions and simulated impact conditions. Attention is given to nonlinear beam theory, boundary conditions and materials modeling, initial conditions and impact modeling, and a solution of the obtained system of partial differential equations by the finite difference approach.
    Keywords: STRUCTURAL MECHANICS
    Type: Computers and Structures (ISSN 0045-7949); 20; 4 19
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  • 8
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    Vibration characteristics of the HPOTP (High Pressure Oxygen Turbopump) of the SSME (Space Shuttle Main Engine) (1985)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: A review is presented of various rotordynamic problems which have been encountered and eliminated in developing the current flight engines, and continuing subsynchronous problems which are being encountered in developing a 109% power level engine. The basic model for the High Pressure Oxygen Turbopump (HPOTP) of the SSME including the structural dynamic model for the rotor and housing and component models for the liquid and gas seals, turbine-clearance excitation forces, and impeller-diffuser forces are discussed. Results from a linear model are used to examine the synchronous response and stability characteristics of the HPOTP, examining bearing load and stability problems associated with the second critical speed. Various seal modifications are examined and shown to have favorable consequences with respect to bearing reactions and stability.
    Keywords: STRUCTURAL MECHANICS
    Type: NASA. Marshall Space Flight Center Advan. High Pressure O2(H2 Technol; p 452-481
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  • 9
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    Energy conservation in the transient response of nonlinear beam vibration problems subjected to pulse loading - A numerical approach (1984)
    In:  Other Sources
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    Publication Date: 2019-06-28
    Description: The nonlinear vibration response of a double cantilevered beam subjected to pulse loading over a central sector is studied. The initial response is generated in detail to ascertain the energetics of the response. The total energy is used as a gauge of the stability and accuracy of the solution. It is shown that to obtain accurate and stable initial solutions an extremely high spatial and time resolution is required. This requirement was only evident through an examination of the energy of the system. It is proposed, therefore, to use the total energy of the system as a necessary stability and accuracy criterion for the nonlinear response of conservative systems. The results also demonstrate that even for moderate nonlinearities, the effects of membrane forces have a significant influence on the system. It is also shown that while the fundamental response is contained in a first mode envelope, the fluctuations caused by the higher order modes must be resolved.
    Keywords: STRUCTURAL MECHANICS
    Type: Computers and Structures (ISSN 0045-7949); 19; 3 19
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  • 10
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    A numerical solution of Duffing's equations including the prediction of jump phenomena (1987)
    In:  Other Sources
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    Publication Date: 2019-06-28
    Description: Numerical methodology for the solution of Duffing's differential equation is presented. Algorithms for the prediction of multiple equilibrium solutions and jump phenomena are developed. In addition, a filtering algorithm for producing steady state solutions is presented. The problem of a rigidly clamped circular plate subjected to cosinusoidal pressure loading is solved using the developed algorithms (the plate is assumed to be in the geometrically nonlinear range). The results accurately predict regions of solution multiplicity and jump phenomena.
    Keywords: STRUCTURAL MECHANICS
    Type: AIAA PAPER 87-0917
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