منابع مشابه
Hopes fade
fossil fuels, however, would require the need to look beyond wood. Choren Industries claims that 20 million tons of straw are ploughed back into the soil each year, which could be turned into four million tons of BTL diesel, covering 14 per cent of current diesel demand. A further three to six million tons per year could be obtained from wood grown on currently unused agricultural land. Accordi...
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This paper provides both theoretical and empirical analyses of market participants’ optimal decision-making in trading Japanese equity mutual funds. First, we build an intertemporal decision-making model under uncertainty in the presence of transaction costs. This setting enables us to shed light on the investors’ option to delay investment. A comparative analysis shows that an increase in unce...
متن کاملHopes for sterile males
A new technique for sorting male and female mosquito larvae may lead to the use of sterile males in tackling malaria. Nigel Williams reports. the testicles of the male mosquitoes fluorescent, allowing the scientists to distinguish and easily separate them from females. The plan is to breed, sterilize and release millions of these male insects so they mate with females but produce no offspring. ...
متن کاملNew hopes for neurologically disabled.
The later half of the twentieth century witnessed rapid advances in our understanding of the nervous system, in health and disease, as a result of developments in diverse fields. Beginning in the 1950’s, neurochemical and neuropharmacological investigations resulted in the identification of a host of neurotransmitters, neuromodulators, neurohormones, the mechanisms of their storage, release, re...
متن کاملThe e-Theta Hopes
The largest class of hyperstructures is the Hv-structures, introduced in 1990, which proved to have a lot of applications in mathematics and several applied sciences, as well. Hyperstructures are used in the Lie-Santilli theory focusing to the hypernumbers, called e-numbers. We present the appropriate e-hyperstuctures which are defined using any map, in the sense the derivative map, called thet...
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ژورنال
عنوان ژورنال: Nature
سال: 1991
ISSN: 0028-0836,1476-4687
DOI: 10.1038/354098a0