نتایج جستجو برای: improved reduction system
تعداد نتایج: 2967050 فیلتر نتایج به سال:
BACKGROUND The Internet is known to be used for health purposes by the general public all over the world. However, little is known about the use of, attitudes toward, and activities regarding eHealth among the Japanese population. OBJECTIVES This study aimed to measure the prevalence of Internet use for health-related information compared with other sources, and to examine the effects on user...
Previous determinations of the passband functions were based on the reduced results of the Geneva photometric system as available in the published catalogs. Initially the Geneva system was deened as a natural (i.e. without nor-malization to zero for a given spectral type) extraatmospheric system. In some cases, however, we need the reduction coeecients for transformation of colors to the primev...
one of the most important methods to produce sponge iron is coal based reduction of iron ore. direct reduction methods based on coal are being improved due to the abundance of coal sources and its lower cost in comparison with natural gas. volatile materials in coal play an important role in the reduction of iron oxides. in this study, noncoking coal with high volatile materials from iran and c...
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