نتایج جستجو برای: natural hemp fibers

تعداد نتایج: 550614  

Journal: :The Archaeology of Asia-Pacific Navigation 2021

Abstract The complex and variant patterns of costume were important parts the human cultures in history. Generally, early dress beings started from non-woven fabrics such as grass leaves, barks, beast coats fur, other natural resources, developed into woven cloth products fiber thread with warp weft structure.The clothing variants are cultural representation ethnic groups, showing different tra...

2016
Christelle M. Andre Jean-Francois Hausman Gea Guerriero

Cannabis sativa L. is an important herbaceous species originating from Central Asia, which has been used in folk medicine and as a source of textile fiber since the dawn of times. This fast-growing plant has recently seen a resurgence of interest because of its multi-purpose applications: it is indeed a treasure trove of phytochemicals and a rich source of both cellulosic and woody fibers. Equa...

Journal: :British journal of industrial medicine 1990
E Zuskin B Kanceljak D Pokrajac E N Schachter T J Witek

Respiratory symptoms and abnormalities of lung function were studied in 84 female and 27 male hemp workers employed in two textile mills (A and B) processing soft hemp (C sativa). In mill A 46 women and 27 men were investigated and 38 female workers were studied in mill B. Forty nine women and 30 men from a non-dusty industry served as controls. A significantly higher prevalence of almost all c...

Journal: :Environment Conservation Journal 2023

Hemp is dual purpose crop, where fibers and seeds have found its place in textile food industry due to strong fiber nutrition content seed. The cultivation of hemp a new venture India farmers get income by both hence, optimizing spacing nutrient management harness maximum yield seed can double the farmers. present investigation on economics revealed that the, gross returns (Rs. 5,74,000/ ha) we...

2017
Yi Yang Melissa M. Lewis Angelica M. Bello Ewa Wasilewski Hance A. Clarke Lakshmi P. Kotra

Introduction:Cannabis sativa (hemp) seeds are popular for their high nutrient content, and strict regulations are in place to limit the amount of potentially harmful phytocannabinoids, especially Δ9-tetrahydrocannabinol (Δ9-THC). In Canada, this limit is 10 μg of Δ9-THC per gram of hemp seeds (10 ppm), and other jurisdictions in the world follow similar guidelines. Materials and Methods: We inv...

2016
Jerome H. Cherney Peter Langridge

Most of the Western World banned the cultivation of Cannabis sativa in the early 20th century because biotypes high in ∆9-tetrahydrocannabinol (THC, the principal intoxicant cannabinoid) are the source of marijuana. Nevertheless, since 1990, dozens of countries have authorized the licensed growth and processing of “industrial hemp” (cultivars with quite low levels of THC). Canada has concentrat...

Historical papers with all museum and aesthetic value have considerable cultural and scientific importance which represents how societies were during history improved. Studying historical papers is a way to discover the changes of human’s life in different cases such as economics, culture and politics. Between existing manuscripts prescriptions there are some, which are left unseen unfort...

2009
G Ren H Patel D Hapuarachchi S Crowther M Fan PJ Hogg

The use of natural fibres as reinforcement in polymer composites has generated much interest in recent years due to environmental legislation and improvements on natural fibre performance and process-abilities. This research investigated the use of natural hemp fibre as reinforcement for the possibility of producing fibre reinforced Sheet Moulding Compounds (SMC) as an alternative to glass fibr...

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