ZIB

1

Digitale Medien

Generation of coherent ultraviolet radiation in the 330 nm region by multiphoton excitation of sodium vapor (1984)

Chen, J. K. ; Wu, C. Y. R. ; Kim, C. C. ; [weitere]

Springer

Applied physics 33 (1984), S. 155-160

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ISSN: 1432-0649

Schlagwort(e): 42.60 ; 42.65

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract We report the observation of coherent uv emission at 330.2±0.5 nm when sodium vapor in a heatpipe is irradiated with a pulsed visible dye laser with output wavelength in the 570–595 nm region. It is found that intense uv emission can be produced from Na atoms as well as from Na2 molecules. The excitation functions and their dependence on vapor density and laser power density are presented and the mechanisms for producing the emission are discussed.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00688522

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2

Digitale Medien

Expression of storage-protein genes during soybean seed development (1981)

Meinke, D. W. ; Chen, J. ; Beachy, R. N.

Springer

Planta 153 (1981), S. 130-139

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ISSN: 1432-2048

Schlagwort(e): Embryonic axis ; Glycine ; mRNA accumulation ; Seed development ; Storage proteins

Quelle: Springer Online Journal Archives 1860-2000

Thema: Biologie

Notizen: Abstract Mature seeds of Glycine max (L.) Merr. contain two major storage proteins, a glycosylated 7S protein (conglycinin) and a non-glycosylated 11S protein (glycinin). Accumulation of these proteins and their mRNAs during seed development in cv. Provar was studied by SDS polyacrylamide gel electrophoresis and by “Northern” (DNA-RNA) hybridization. The 11S acidic and basic subunits and the 7S α′ and α subunits began to accumulate 18–20 d after pollination, shortly after the termination of cell division in developing cotyledons, whereas the 7S β and 11S A-4 subunits were not detected until one to two weeks later, during the maturation phase of development. Messenger RNAs for 7S and 11S proteins were first detected 14–18 d after pollination, several days before the accumulation of storage proteins. Extracts from embryonic axes contained reduced levels of the 7S α subunit, very little 11S protein, no detectable 7S β or 11S A-4 subunits, and an additional 7S subunit not found in cotyledons. Soybean axes and cotyledons therefore differ in their synthesis of seed storage proteins.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00384094

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3

Digitale Medien

Bed-surface contact dynamics for horizontal tubes in fluidized beds (1982)

Chandran, Ravi ; Chen, J. C.

Hoboken, NJ : Wiley-Blackwell

AIChE Journal 28 (1982), S. 907-914

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ISSN: 0001-1541

Schlagwort(e): Chemistry ; Chemical Engineering

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie , Werkstoffwissenschaften, Fertigungsverfahren, Fertigung

Notizen: The local contact characteristics between the bed emulsion and the tube surface for horizontal tubes immersed in fluidized beds were investigated experimentally. The measurements indicated that the contact dynamics change significantly with circumferential position, gas flow rate, particle size and system pressure. From the experimental data, quantitative information on the local fluidization behavior were generated for use in heat transfer models.

Zusätzliches Material: 14 Ill.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/aic.690280604

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4

Digitale Medien

Heat transfer around a horizontal tube in freeboard region of fluidized beds (1983)

Biyikli, S. ; Tuzla, K. ; Chen, J. C.

Hoboken, NJ : Wiley-Blackwell

AIChE Journal 29 (1983), S. 712-716

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ISSN: 0001-1541

Schlagwort(e): Chemistry ; Chemical Engineering

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie , Werkstoffwissenschaften, Fertigungsverfahren, Fertigung

Notizen: An experimental investigation was carried out to measure local and average heat transfer coefficients for horizontal tubes located in freeboard region of air fluidized beds. Tests were carried out at room temperature and atmospheric pressure in a rectangular fluidized bed, with mean particle diameters of 275 to 850 μm.Both local and average heat transfer coefficients were found to vary with particle diameter, flow rate, static bed depth, and elevation in the freeboard region.

Zusätzliches Material: 10 Ill.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/aic.690290503

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5

Digitale Medien

Letters to the editor (1984)

Sylvester, N. D. ; Chen, J. J. J. ; Spedding, P. L.

Hoboken, NJ : Wiley-Blackwell

AIChE Journal 30 (1984), S. 700-701

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ISSN: 0001-1541

Schlagwort(e): Chemistry ; Chemical Engineering

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie , Werkstoffwissenschaften, Fertigungsverfahren, Fertigung

Zusätzliches Material: 1 Ill.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/aic.690300436

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6

Digitale Medien

Analytic representation of convective boiling functions (1984)

Edelstein, Sergio ; Pérez, A. J. ; Chen, J. C.

Hoboken, NJ : Wiley-Blackwell

AIChE Journal 30 (1984), S. 840-841

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ISSN: 0001-1541

Schlagwort(e): Chemistry ; Chemical Engineering

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie , Werkstoffwissenschaften, Fertigungsverfahren, Fertigung

Zusätzliches Material: 2 Ill.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/aic.690300528

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7

Digitale Medien

Letters to the editor (1983)

Chen, J. J. J. ; Spedding, P. L. ; Dukler, Abraham

Hoboken, NJ : Wiley-Blackwell

AIChE Journal 29 (1983), S. 525-526

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ISSN: 0001-1541

Schlagwort(e): Chemistry ; Chemical Engineering

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie , Werkstoffwissenschaften, Fertigungsverfahren, Fertigung

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/aic.690290332

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8

Digitale Medien

Some evidence against the existence of the liquid-liquid transition. III. The evaluation of the Tll event by differential scanning calorimetryCorrected proofs received July 12, 1982 (1982)

Chen, J. ; Kow, C. ; Fetters, L. J. ; [weitere]

New York : Wiley-Blackwell

Journal of Polymer Science: Polymer Physics Edition 20 (1982), S. 1565-1574

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ISSN: 0098-1273

Schlagwort(e): Physics ; Polymer and Materials Science

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie , Physik

Notizen: The liquid-liquid transition Tll has been examined by using differential scanning calorimetry as the tool of measurement. The results presented show that for the case of polystyrene, the Tll event appears to be an artifact caused by the presence of volatile components. Purified samples of polystyrene, polydienes, and poly(1-butene) do not show the Tll transition.

Zusätzliches Material: 7 Ill.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/pol.1982.180200905

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9

Digitale Medien

Polymer conformation based on correlated walk model (1980)

Chen, J. T. ; Okamura, Y. ; Fujita, S.

New York : Wiley-Blackwell

Journal of Polymer Science: Polymer Physics Edition 18 (1980), S. 175-176

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ISSN: 0098-1273

Schlagwort(e): Physics ; Polymer and Materials Science

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie , Physik

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/pol.1980.180180117

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