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Wright B, Tuska S. The nature and origin of feeling feminine. THE BRITISH JOURNAL OF SOCIAL AND CLINICAL PSYCHOLOGY 1966; 5:140-9. [PMID: 5939458 DOI: 10.1111/j.2044-8260.1966.tb00967.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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252
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Wright B, Ward C, Dahlberg D. Cell wall polysaccharide synthesis in vitro catalyzed by an enzyme from slime mold myxamoebae lacking a cell wall. Biochem Biophys Res Commun 1966; 22:352-6. [PMID: 4957206 DOI: 10.1016/0006-291x(66)90490-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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253
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Wright B. [Office management in a medical district]. TIDSSKRIFT FOR DEN NORSKE LEGEFORENING 1965; 85:1355-7. [PMID: 5882043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
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254
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Ferguson J, Wright B. The effects of small doses of radiation on the flow and other properties of ziegler polyethylenes. J Appl Polym Sci 1965. [DOI: 10.1002/app.1965.070090811] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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255
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Haward RN, Wright B, Williamson GR, Thackray G. Effect of Blending on Molecular Weight Distribution of Polymers. RUBBER CHEMISTRY AND TECHNOLOGY 1965. [DOI: 10.5254/1.3535674] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Abstract
The effect of blending polymers of different molecular weight on the Q value (Q=Mw/Mn) of the blend has been considered. A mathematical expression is derived, and it shows by a simple application to monodisperse systems that blending over a wide molecular weight range is necessary to give high Q values. These principles are then applied to the ease of Ziegler and Phillips type high density polyethylenes having wide log-normal molecular weight distributions. In this way it is shown that only blending over a very wide melt index range, e.g., 1000/1, can be expected to have a measurable effect on Q. A series of physical measurements on blended and homogenized Ziegler polyethylenes shows no significant differences between blends and directly produced polymers.
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