نتایج جستجو برای: cristobalite
تعداد نتایج: 356 فیلتر نتایج به سال:
OBJECTIVES Increased mortality from asthma, chronic bronchitis and emphysema has previously been reported among workers in the silicon carbide (SiC) industry. The objective of the present study was to evaluate the influence of specific exposure factors on mortality from obstructive lung diseases (OLD), using a newly revised job-exposure matrix. MATERIALS AND METHODS 1687 long-term workers emp...
Abstract Although the Mesozoic rocks of Transdanubian Range have been subject a multitude different studies, mineralogical research is largely underrepresented. The clay mineralogy Lower Jurassic (especially Pliensbachian and Toarcian) strata was broadly investigated earlier; however, systematic high-resolution studies remain scarce. Here we present study focusing on Upper Lókút-Hosszúárok sect...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید