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  • 1
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    Morphology of the gynoecium in Labiatae (1982)
    In:  Blumea - Biodiversity, Evolution and Biogeography of Plants (0006-5196) vol.28 (1982) nr.1 p.61
    Details
    Publication Date: 2015-03-06
    Description: Two gynoecial primordia are initiated as discrete units but soon get interconnected by the occurrence of interprimordial growth between them. A rim of meristematic tissue thus produced gives rise to the ovary wall by zonal growth. The residual floral apex grows parallel to the gynoecial primordia in the form of a septum. The two placental ridges arise from the inner lateral walls of the ovary, grow into the ovarian cavity, and ultimately fuse with the axial septum. The anterio- posterior region of the ovary wall also grows into the ovarian cavity to form a false septum which divides each locule into two. The Labiatae show a placentation which is neither true axile nor true parietal but an intermediate condition between the two, as the septum grows like in a typical axile placentation and the placentae like in typical parietal placentation. The gynobase in Labiatae is considered to be carpellary in nature.
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
    Format: application/pdf
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  • 2
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    Morphology of the gynoecium in Labiatae (1982)
    In:  Blumea: Biodiversity, Evolution and Biogeography of Plants vol. 28 no. 1, pp. 61-75
    Details
    Publication Date: 2024-01-12
    Description: Two gynoecial primordia are initiated as discrete units but soon get interconnected by the occurrence of interprimordial growth between them. A rim of meristematic tissue thus produced gives rise to the ovary wall by zonal growth. The residual floral apex grows parallel to the gynoecial primordia in the form of a septum. The two placental ridges arise from the inner lateral walls of the ovary, grow into the ovarian cavity, and ultimately fuse with the axial septum. The anterio- posterior region of the ovary wall also grows into the ovarian cavity to form a false septum which divides each locule into two. The Labiatae show a placentation which is neither true axile nor true parietal but an intermediate condition between the two, as the septum grows like in a typical axile placentation and the placentae like in typical parietal placentation. The gynobase in Labiatae is considered to be carpellary in nature.
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
    Format: application/pdf
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  • 3
    Electronic Resource
    Electronic Resource
    Drawdowns in Large-Diameter Wells Due to Decreasing Abstraction Rates (1983)
    Oxford, UK : Blackwell Publishing Ltd
    Ground water 21 (1983), S. 0 
    Details
    ISSN: 1745-6584
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geosciences
    Notes: Due to characteristics of centrifugal pumps, most pumping tests in large-diameter wells exhibit a decreasing abstraction rate with increasing drawdown. Type curves are obtained for the case of abstraction rates which are functions of the well drawdown; values for the type curves are obtained from a numerical model. For the case of constant abstraction, these curves provide an alternative to the classical approach. By plotting the ratio of drawdowns at different times, it is possible to identify more easily when the aquifer begins to contribute to the well discharge. The practical application of the technique is illustrated by a field example.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1745-6584.1983.tb01938.x
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  • 4
    Electronic Resource
    Electronic Resource
    A CONSTANT DISCHARGE DEVICE FOR AQUIFER TESTS ON LARGE-DIAMETER WELLS (1983)
    Oxford, UK : Blackwell Publishing Ltd
    Ground water 21 (1983), S. 0 
    Details
    ISSN: 1745-6584
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geosciences
    Notes: Abstract. The discharge in pumping tests conducted on large-diameter wells declines with the fall of water level. This violates the basic requirement of pumping tests that the discharge should remain constant. A simple device to keep the discharge constant has therefore been developed. This device is also useful in keeping the discharge much lower than the rated capacity of the farmer's pump, and thus in increasing the total test period.The discharge from the farmer's pump is released in a barrel having a V-notch at the top and an arrangement for returning a part of the discharge to the well. The return flow is gradually reduced through a control valve, and thus the net outflow is kept constant.This device has been used for conducting pumping tests on several dug wells.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1745-6584.1983.tb01946.x
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  • 5
    Electronic Resource
    Electronic Resource
    DISCUSSION OF “Determination of Aquifer Parameters from Large-Diameter Dug Well Pumping Tests,” by R. Herbert and R. Kitching, November-December 1981 issue, v. 19, no. 6, pp. 593–599 (1982)
    Oxford, UK : Blackwell Publishing Ltd
    Ground water 20 (1982), S. 0 
    Details
    ISSN: 1745-6584
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Geosciences
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1745-6584.1982.tb01379.x
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  • 6
    Electronic Resource
    Electronic Resource
    Roche harmonics for tidally-distorted stellar models (1984)
    Springer
    Astrophysics and space science 105 (1984), S. 131-138 
    Details
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Kopal's analysis for Roche harmonics associated with the Roche model of a star, distorted by the tidal forces of a companion star, has been extended further to obtain the explicit expressions for Roche harmonics when terms up to second order of smallness in tidal effects are considered.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00651213
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  • 7
    Electronic Resource
    Electronic Resource
    Effects of hall current on the hydromagnetic free convection with mass transfer in a rotating fluid (1984)
    Springer
    Astrophysics and space science 100 (1984), S. 279-286 
    Details
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract An exact analysis of Hall current on hydromagnetic free convection with mass transfer in a conducting liquid past an infinite vertical porous plate in a rotating fluid has been presented. Exact solution for the velocity field has been obtained and the effects ofm (Hall parameter),E (Ekman number), andS c (Schmidt number) on the velocity field have been discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00651602
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  • 8
    Electronic Resource
    Electronic Resource
    Hydromagnetic Ekman layer on free convection past an infinite porous flat plate (1984)
    Springer
    Astrophysics and space science 105 (1984), S. 47-53 
    Details
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Free convection in a conducting liquid past an infinite porous vertical flat plate in a rotating frame of reference when the Hall current is present is considered. Exact solutions for the velocity and temperature fields have been derived. The effects ofM (Hartmann number),m (Hall parameter), andE (Ekman number) on the velocity field are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00651206
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  • 9
    Electronic Resource
    Electronic Resource
    Heat and mass transfer of an oscillatory flow with Hall current (1983)
    Springer
    Astrophysics and space science 91 (1983), S. 445-454 
    Details
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract An analysis of Hall current on the combined effects of thermal and mass diffusion of an electrically conducting liquid past an infinite vertical porous plate is performed. Analytical expressions for the velocity and temperature fields are derived. The effects of various parameters on the velocity and temperature are shown graphically and in tabular form.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00656127
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  • 10
    Electronic Resource
    Electronic Resource
    Heat and mass transfer of an oscillatory flow with Hall current, II (1983)
    Springer
    Astrophysics and space science 94 (1983), S. 383-393 
    Details
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract An analysis of Hall current on the combined effects of thermal and mass diffusion of an electrically conducting liquid past an infinite vertical porous plate is performed. Analytical expressions for the transient velocity, the transient temperature in the boundary layer and the skin-friction on the plate are derived. The effects of various parameters on the velocity, temperature, shearing stresses and rate of heat transfer are shown by graphs and tables.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00653727
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