منابع مشابه
Water Relations of Pocosin or Bog Shrubs.
The pocosins, or broad-leaved evergreen shrub bogs, constitute one of the most distinctive plant communities of the southeastern coastal plain. They occupy flat, poorly-drained areas where the soil is frequently water-logged for long periods of time, but where surface water seldom stands to a depth of more than a few inches, and then only for comparatively short periods. The water relations of ...
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Abstract: Efforts have been carried out in order to use microsilica to develop a forsterite bond rather than other types of binders in the basic refractory castables. According to the higher drying rate and sinterability of colloidal silica, it has been proposed in the recent years. In the present work, effects of replacement of microsilica by colloidal silica evolution of forsterite bond have ...
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15 صفحه اولDielectric Properties of Colloidal Suspensions
OF DOCTORAL DISSERTATION HELSINKI UNIVERSITY OF TECHNOLOGY P. O. BOX 1000, FI-02015 TKK http://www.tkk.fi Author Lei Dong Name of the dissertation Manuscript submitted 14.10.2008 Manuscript revised 12.12.2008 Date of the defence 19.01.2009 at 13 o’clock, TKK main building, Otakaari 1, lecture hall E Article dissertation (summary + original articles) Monograph Faculty Department Field of researc...
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The mystical metal has been used for both spiritual and medical purposes as far back as ancient Egypt. Over 5,000 years ago, the Egyptians used gold in dentistry and ingested it for mental, bodily, and spiritual purification. The ancients believed that gold in the body worked by stimulating the life force and raising the level of vibration on all levels. In Alexandria, alchemists developed a po...
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ژورنال
عنوان ژورنال: Botanical Gazette
سال: 1919
ISSN: 0006-8071
DOI: 10.1086/332571