نتایج جستجو برای: 25
تعداد نتایج: 354518 فیلتر نتایج به سال:
The effect of incorporation of Si02 on the behavior of a TiO2-based photocatalyst prepared by a sol-gel technique from organometallic precursors is described. Application of photocatalysts with different TiOd Si02 ratios to the photodecomposition of rhodamine-6G (R-6G) demonstrates that a ratio of 30/70 produces a catalyst about 3 times more active than Degussa P-25 TiO2. Larger amounts of Si02...
Specific competencies for the project 25 years of research experience in nonlinear partial differential equations; Extensive photographic skills (see http://pbase.com/markowich); Wittgenstein Award of the Austrian Research Fund (FWF) 2000; Corresponding Member of the Austrian Academy of Sciences since 2005; Coordination and participation in Austrian and international grants and network projects...
BACKGROUND The role of dairy calcium intake and serum vitamin D concentrations in weight loss is controversial. OBJECTIVE The objective was to assess the association of dairy calcium intake and serum vitamin D with weight loss. DESIGN We analyzed data from participants in the 2-y Dietary Intervention Randomized Controlled Trial (DIRECT) [n = 322; mean body mass index (BMI; in kg/m²): 31; me...
Previous studies of the effects of parity and social isolation on maternal behaviour in guinea pigs were either concerned with subsets of maternal behaviour or based their conclusions on small data sets. The aim of the present experiment was to give a more detailed and complete description of maternal behaviour, including the effects of the sex of the pups on maternal behaviour. Three groups of...
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