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Encyclopedia of Sex and Gender
The central aim of this encyclopedia is to give the reader a comparative perspective on issues involving conceptions of gender, gender differences, gender roles, relationships between the genders, and sexuality. The encyclopedia is divided into two volumes: Topics and Cultures. The combination of topical overviews and varying cultural portraits is what makes this encyclopedia a unique reference work for students, researchers and teachers interested in gender studies and cross-cultural variation in sex and gender. It deserves a place in the library of every university and every social science and health department. Contents:- Glossary. Cultural Conceptions of Gender. Gender Roles, Status, and Institutions. Sexuality and Male-Female Interaction. Sex and Gender in the World's Cultures. Culture Name Index. Subject Index.
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Jatropha, Challenges for a New Energy Crop
Jatropha curcas, or physic nut, is a small tree that, in tropical climates, produces fruits with seeds containing ~38% oil. The physic nut has the potential to be highly productive and is amenable to subculture in vitro and to genetic modification. It also displays remarkable diversity and is relatively easy to cross hybridize within the genus. Thanks to these promising features, J. curcas is emerging as a promising oil crop and is gaining commercial interest among the biofuel research communities. However, as a crop, physic nut has been an economic flop since 2012, because the species was not fully domesticated and the average productivity was less than 2 t/ha, which is below the threshold ...
The Nautical Magazine for 1872
The 1872 Nautical Magazine combines reports on science and technology, popular literature, and comment on political, legal and commercial matters.
Microalgae as a Source of Bioenergy: Products, Processes and Economics
Microalgae could play an important role in the achievement of sustainability goals related to the generation of renewable energy and greenhouse gas (GHG) emissions. These photosynthetic microorganisms are able to capture CO2 and, therefore, can be used to produce biofuels such as ethanol, methane and green diesel. Other factors, such as their high growth rate, ability to use wastewater as a culture medium and the ability to grow on non-arable land makes them a potentially economical source of biofuel production on a large scale. This monograph introduces the reader to the basic and applied science of microalgal biofuel production. Chapters in the volume give information about bioethanol and biogas production from microalgal sources, the fermentation process, optimization of culture parameters and industrial applications of biomass projects. The book is a useful reference for biotechnology and environmental science graduates and professionals interested in biofuel production.
