منابع مشابه
Hopes rise over Pasteur crisis
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Conventional supported Pt catalysts have often been prepared by loading Pt onto commercial supports, such as SiO2, TiO2, Al2O3, and carbon. These catalysts usually have simple metal-support (i.e., Pt-SiO2) interfaces. To tune the catalytic performance of supported Pt catalysts, it is desirable to modify the metal-support interfaces by incorporating an oxide additive into the catalyst formula. H...
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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. ...
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The fast recovery of Germany’s economy after World War II—the so-called “German miracle”—can be explained by the market-oriented economic policies pursued in the 1950s, based upon the ideas of Ordoliberalism. The slowing growth rates and increasing economic difficulties since the 1970s seem to have resulted from the extension of interventionist and redistributionist policies beyond those sancti...
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ژورنال
عنوان ژورنال: Nature
سال: 1994
ISSN: 0028-0836,1476-4687
DOI: 10.1038/370496b0