نتایج جستجو برای: with 2 wooden columns
تعداد نتایج: 10044062 فیلتر نتایج به سال:
OBJECTIVE To (1) mechanically evaluate polymethylmethacrylate (PMMA) columns of various sizes and compare them to connecting bar materials (carbon fiber composite, titanium, stainless steel) and (2) compare the properties of an intact PMMA column to those of an acrylic interface. STUDY DESIGN Experimental mechanical study. SAMPLE POPULATION Experiment 1: 6 groups of 6 specimens each; experi...
We consider packing linear programs with m rows where all constraint coefficients are in the unit interval. In the online model, we know the total number n of columns that arrive in random order. The goal is to set the decision variables corresponding to the arriving columns irrevocably so as to maximize the expected reward. Previous (1− )-competitive algorithms require that the right-hand side...
Organic fertilizers are the sources of many human-pathogenic microorganisms which potentially threaten the human health. This study was carried out to explore the possible effects of soil and manure types on filtration, transport and fate of manure-borne bacteria through undisturbed soil columns. The manure treatments consisted of cow manure, poultry manure and sewage sludge which were distribu...
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