9 resultados para Just-in-time (manufacturing system)

em Brock University, Canada


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examined in Choanephora cucurbita rum during the early stages of infection by Piptocephalis virginiana » There was a small but consistent increase in the leakage of electrolytes, amino acids and sugars as a result of infection. These low levels of differential leakage in infected tissues are explained on the basis of the nature of this obligate, biotrophic, mycoparasitic system. Quantitative analysis of the twenty six amino acids and amino compounds detected in the leacheates — showed similar profiles in infected and control host and no new species of amino acids or amino compounds were detected in either infected or control host leacheates. Comparatively high amounts of aspartic acid, glutamic acid and alanine were found in the leacheates of host and infected host . Analyses of the sugars comprising the leacheates of infected and control host showed the presence of eight sugars, among which glucose was found in significant amounts (50-53%) ' The nutritional implication of this preferential leakage is discussed. No significant difference was observed in the leacheates of infected host sugar profiles compared with that of the control host. Profiles of the internal pool sugars of infected and control host did not reflect that obtained from the leacheate data, perhaps owing to leakage of sugars in a selective manner . Membrane lipid analyses yielded higher levels of lipid in infected host compared with the control, both at the 24 h and 36 h analyses. In addition, preliminary investigations of phosphorous-32 incorporation and turnover in phospholipids showed higher levels of 32p incorporation and turnover in infected host compared with the control. No apparent difference was noted in the profiles of the neutral lipid classes and the polar lipid classes of the membrane lipids as determined by one and two dimensional thin-layer chromatography respectively. However, a small but consistently higher degree of unsaturation was detected in the fatty acids of infected tissue compared with the control. Also, '^''-^^''^^'-'-^'^^c acid, a polyunsaturated fatty acid previously reported to show a direct correlation during the early stages of infection and the degree of parasitism of P. virginiana on C. cucurbitarum , was found in higher amounts in infected host membrane lipids compared with that of the control host. The implications of these membrane lipid alterations are discussed with particular reference to the small but consistently higher leakage of electrolytes, amino acids and sugars observed during infection in this study.

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The macroscopic properties of the superconducting phase in the multiphase compound YPd5B3 C.3 have been investigated. The onset of superconductivity was observed at 22.6 K, zero resistance at 21.2 K, the lower critical field Hel at 5 K was determined to be Hel (5) rv 310 Gauss and the compound was found to be an extreme type-II superconductor with the upper critical field in excess of 55000 Gauss at 15 K. From the upper and lower critical field values obtained, several important parameters of the superconducting state were determined at T = 15 K. The Ginzburg-Landau paramater was determined to be ~ > 9 corresponding to a coherence length ~ rv 80A and magnetic penetration depth of 800A. In addition measurements of the superconducting transition temperature Te(P) under purely hydrostatically applied pressure have been carried out. Te(P) of YPd5B3 C.3 decreases linearly with dTe/dP rv -8.814 X 10-5 J

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Certificate for 5 shares of common stock in Lincoln Manufacturing Company Limited to Hamilton K. Woodruff, April 10, 1923.

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Certificate for 10 shares of accumulative preference capital stock in Lincoln Manufacturing Company Limited to Hamilton K. Woodruff, April 10, 1923.

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Certificate for 20 shares of accumulative preference capital stock in Lincoln Manufacturing Company Limited to Hamilton K. Woodruff, April 14, 1923.

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Certificate for 25 shares of common in Lincoln Manufacturing Company Limited to Hamilton K. Woodruff, April 14, 1923.

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Certificate for 10 shares of accumulative preference shares of capital stock in Lincoln Manufacturing Company Limited to Hamilton K. Woodruff, July 4, 1923.