نتایج جستجو برای: leather
تعداد نتایج: 2500 فیلتر نتایج به سال:
We focus on the interaction between a representative polluting tannery and negatively impacted small farmer in Kanpur, India. The produces leather toxic chemical waste that ends up wastewater used by to irrigate agricultural land grow vegetables. generated is functionally related its output of leather. faces capacity constraint describes maximum amount vegetables he can grow. In this setting, w...
OBJECTIVES Data from a hospital based case-control study were analysed to assess the relation between maternal occupation in the leather industry and several groups of congenital defects (nervous system, cardiac defects of closure, oral cleft, epispadia or hypospadia, and multiple anomalies). METHODS Cases and controls were selected from eight public hospitals in Comunidad Valenciana, Spain, ...
Antimicrobial coating is of great important in leather finishing. Herein, we report a newly synthesized polyurethane with zwitterionic sulfobetaine side groups and evaluate their performance in the antifouling leather coatings. The microstructure of the synthesized zwitterionic polyurethane (iNPU) films has been examined by Fourier transform infrared (FTIR), X-ray diffraction (XRD) and atomic f...
BACKGROUND This study aimed to estimate the prevalence and to identify some risk factors of adult asthma in male leather tannery workers in Karachi, Pakistan. METHODS A cross sectional study was conducted from August 2003 to March 2004 on leather tannery workers of Karachi, Pakistan. Data were collected from 641 workers engaged in 95 different tanneries in Korangi industrial area selected as ...
The problems involved in the automated packing and nesting of irregular shapes are not only of theoretical importance, but have considerable industrial interest. The ability to manipulate objects under visual control is one of the key tasks in the successful implementation of robotic, automated assembly and adaptive material handling systems. Such systems must be capable of dealing with a wide ...
Genipin, an iridoid compound extracted from gardenia fruits (Gardenia jasminoides Ellis) is a natural crosslinking agent. Because of its low cytotoxicity, genipin is increasingly used to replace both glutaraldehyde and formaldehyde as a crosslinker for proteins. Researchers have in recent years successfully demonstrated the effective use of genipin in the modification of gelatin, particularly f...
The mortality of2926 male workers at the tanneries in the "leather area" ofTuscany was examined from 1950 to 1983 comparing it with the national mortality. Cancer mortality was of particular concern because ofthe many chemicals known to be definite or suspected carcinogens used in the tanning cycle, in particular chromate pigments, benzidine based dyes, formaldehyde, and organic solvents. There...
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