By Robert C. Clarke, Mark D. Merlin
ISBN-10: 0520954572
ISBN-13: 9780520954571
Hashish: Evolution and Ethnobotany is a complete, interdisciplinary exploration of the normal origins and early evolution of this recognized plant, highlighting its historical function within the improvement of human societies. hashish has lengthy been prized for the robust and sturdy fiber in its stalks, its fit to be eaten and oil-rich seeds, and the psychoactive and medicinal compounds produced via its girl plant life. The culturally beneficial and sometimes irreplaceable items derived from hashish deeply encouraged the industrial, clinical, ritual, and non secular practices of cultures through the a while, and human wish for those commodities directed the evolution of the plant towards its modern types. As curiosity in hashish grows and public debate over its many makes use of rises, this ebook may help us comprehend why humanity keeps to depend upon this plant and adapts it to fit our wishes.
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Additional resources for Cannabis: Evolution and Ethnobotany
Example text
In the simple 2-dimensional view disconnection leads to interplanetary magnetic fields completely unattached to the corona, for which solar wind signatures are rarely, if ever, seen. Crooker et al. [2002] have proposed that an interchange reconnection between open coronal fields and closed CME fields, shown in Figure 10, will prevent the addition of new magnetic flux to the interplanetary medium from CMEs. 29 The product will be small closed coronal loops and large open CME fields. , 1999], but eventually the flux rope itself must reconnect to prevent an interplanetary magnetic-flux buildup.
M. Wang, Coronal inflows and sector magnetism, Astrophys. , 562, L107, 2001. -M. Wang, Characteristics of coronal inflows, Astrophys. , 579, 874, 2002. , Evidence of magnetic reconnection in solar flares and a unified model of flares, Astrophys. , 264, 129, 1999. , and K. Shibata, Physical parameters of solar X-ray jets, Astrophys. , 542, 1100, 2000. , The relationship between prominence eruptions and coronal mass ejections, J. Atmos. Terr. , 62, 1479, 2000. , Evidence for magnetic reconnection in the high corona, Astron.
Those features were also interpreted in terms of reconnecting current sheets. Several considerations complicate the above picture of field-line disconnection in a large-scale current sheet. In the simple 2-dimensional view disconnection leads to interplanetary magnetic fields completely unattached to the corona, for which solar wind signatures are rarely, if ever, seen. Crooker et al. [2002] have proposed that an interchange reconnection between open coronal fields and closed CME fields, shown in Figure 10, will prevent the addition of new magnetic flux to the interplanetary medium from CMEs.
Cannabis: Evolution and Ethnobotany by Robert C. Clarke, Mark D. Merlin
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