Surface Microstructure Study of Polyethylene Blends for Developing Environmental Degradable Plastic Bags

Individual and Environmental Predictors on the Use of Plastic Bags among the Vendors of Hadishahr City

Background: Excessive use of plastic bags has become a major problem in the worldwide causing irreparable damages to the environment and humans. The purpose of this study was to identify the individual and environmental factors associated with the use of plastic bags among the vendors of Hadishahr city, Iran. Materials and Methods: This is a cross-sectional study conducted on 400 vendors workin...

developing a pattern based on speech acts and language functions for developing materials for the course “ the study of islamic texts translation”

هدف پژوهش حاضر ارائه ی الگویی بر اساس کنش گفتار و کارکرد زبان برای تدوین مطالب درس "بررسی آثار ترجمه شده ی اسلامی" می باشد. در الگوی جدید، جهت تدوین مطالب بهتر و جذاب تر، بر خلاف کتاب-های موجود، از مدل های سطوح گفتارِ آستین (1962)، گروه بندی عملکردهای گفتارِ سرل (1976) و کارکرد زبانیِ هالیدی (1978) بهره جسته شده است. برای این منظور، 57 آیه ی شریفه، به صورت تصادفی از بخش-های مختلف قرآن انتخاب گردید...

Environmental Effect on Biodegradability of Plastic and Paper Bags

Biodegradation refers to the chemical dissolution of materials by microorganisms or other biological means. Biodegradable materials are those that can be consumed by microorganisms whereas biodegradability of a material refers to the ability of that material to be decomposed by biological agents, especially bacteria. Plastics are synthetic or semi – synthetic long chain polymeric molecules that...

Biodegradability of degradable plastic waste.

Plastic waste constitutes the third largest waste volume in Malaysian municipal solid waste (MSW), next to putrescible waste and paper. The plastic component in MSW from Kuala Lumpur averages 24% (by weight), whereas the national mean is about 15%. The 144 waste dumps in the country receive about 95% of the MSW, including plastic waste. The useful life of the landfills is fast diminishing as th...

Plastic Bags: Hazards and Mitigation