An X-ray fluorescence method for measuring the quantity of test matter removed from carpet by vacuuming and wet extraction in typical carpet cleaning processes is described. In this cleaning effectiveness analytical method, five different test compounds were incorporated into an artificial soil, which was then applied to a test carpet. X-ray fluorescence was used to quantify these elements afte...

In this paper we present a model for the carpet cutting problem in which carpet shapes are cut from a rectangular carpet roll with a fixed width and sufficiently long length. Our exact solution approaches decompose the problem into smaller parts and minimise the needed carpet roll length for each part separately. The customers requirements are to produce a cutting solution of the carpet within ...

CONTEXT Chronic exposure to talc in the course of carpet installation can result in pneumoconiosis. CASE PRESENTATION We present a case of a young carpet installer who was diagnosed with silicatosis of the lung. Review of occupational history revealed that the patient had been working as a carpet installer for approximately 15 years, since he was 15 years of age. The patient was exposed to ta...

the research has been conducted with purpose of composing the main constituent of pathology for national center of persian carpet and considering it's role in exporting handmade carpet. the respective model of pathology was selected, out of 14 approved models (the six boxes model of wisboard). the method of this research is explanatory and is a kind of correlation one. 89 people from natio...