نتایج جستجو برای: cleanliness
تعداد نتایج: 2307 فیلتر نتایج به سال:
CEP June 2007 www.aiche.org/cep 53 During the past few decades, pollution prevention and control has assumed a prominent role in the chemical engineering profession. Its study has become part of chemical engineering curricula throughout the world, and a new section on waste treatment has been added to “Perry’s Chemical Engineers’ Handbook.” The major responsibility for an operating plant’s clea...
In the largest disease-mapping project ever conducted, health workers trained by the Global Trachoma Mapping Project have already examined the eyelids of more than 1 million people in nearly 1,000 districts since December 2012. The data collected are being used to create the first truly complete global map of trachoma and trichiasis, due in March 2015. Data on the prevalence of trachoma and tri...
BACKGROUND An ingestible capsule consisting of an endoscope equipped with a video camera at both ends was designed to explore the colon. This study compared capsule endoscopy with optical colonoscopy for the detection of colorectal polyps and cancer. METHODS We performed a prospective, multicenter study comparing capsule endoscopy with optical colonoscopy (the standard for comparison) in a co...
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