نتایج جستجو برای: 84 and 74 percent
تعداد نتایج: 16849323 فیلتر نتایج به سال:
asymmetric membranes are widely used in many industrial membrane separation processes. the major advantage of membrane filtration over the conventional process is its ability to remove a wider spectrum of particles without using any chemicals. hollow fiber configuration offer many advantages over flat-sheet or tubular membranes. the spinning process of hollow fiber may look simple, yet it is te...
Objectives-This report presents 2006 national estimates and selected trend data on the use of nonfederal short-stay hospitals in the United States. Estimates are provided by selected patient and hospital characteristics, diagnoses, and surgical and nonsurgical procedures performed. Estimates of diagnoses and procedures are presented according to the International Classification of Diseases, Nin...
phatic communion is a cultural concept which differs across cultures. according to hofstede (2001), the u.s. tends to have individualistic culture; however, asian countries tend to have collectivistic cultures. these cultures view phatic communion differently. in individualistic cultures like u.s., phatic communion reflects speakers’ socio-cultural relationships in conversations. to see whether...
OBJECTIVES This report presents 2004 national estimates and selected trend data on the use of nonfederal short-stay hospitals in the United States. Estimates are provided by selected patient and hospital characteristics, diagnoses, and surgical and nonsurgical procedures performed. Estimates of diagnoses and procedures are presented according to International Classification of Diseases, 9th Rev...
in this research we have studied the effect of some transition-metals (cu, ag and au) substitutions on two-electron reduction potential of flavins by application of dft method. all geometries have been optimized at blyp level of theory and “6-31+g** + lanl2dz” mixed basis set. the frequency job at the same method and basis sets has been performed to obtain gibbs free energy of compounds. it h...
Under 5 years . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74 6.0 5 to 9 years . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82 6.6 10 to 14 years . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82 6.6 15 to 19 years . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93 7.5 20 to 24 years . . . . . . . . . . . . . . . . . . . . . . ....
Under 5 years . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 5.4 5 to 9 years . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 4.7 10 to 14 years . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 7.2 15 to 19 years . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 6.7 20 to 24 years . . . . . . . . . . . . . . . . . . . . . . ....
BACKGROUND The authors compared the in vivo antimicrobial effects on microorganisms from dental plaque, saliva and the tongue in subjects who used a triclosan/copolymer dentifrice and a fluoride dentifrice (control). METHODS The authors assigned 15 subjects randomly to the control dentifrice or the triclosan/copolymer dentifrice for twice-daily use for one week. They collected samples of plaq...
the west of esfahan province, iran, is one of the most important agricultural areas throughout the country due to the climate variability and life-giving water of zayanderood river. rice is one of the major and economic crops in this area. the most important climatic elements in agricultural activities which should be considered include temperature, relative humidity, precipitation and wind. so...
PURPOSE Patients with testicular seminoma may face fertility issues because of their underlying disease as well as treatments they undergo. The current patterns of practice among U.S. radiation oncologists aimed at assessing and preserving fertility in patients with Stage I seminoma are unknown. METHODS We surveyed practicing U.S. radiation oncologists via an Institutional Review Board-approv...
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