نتایج جستجو برای: textile fibres
تعداد نتایج: 28620 فیلتر نتایج به سال:
Deformability of a textile fabric is studied experimentally using a) friction test, b) out-of-plane compression, and c) bending. These tests reveal that a grafting of the fabric with carbon nano-fibres can significantly deteriorate its deformability. Therefore an optimal CNF mass fraction should be chosen for a particular production case, to obtain a compromise between improved strength and dec...
This paper reviews studies of occupational lung diseases in Romania in the last two decades. Work concerned with the effects of exposure to textile fibres, irritant gases and fumes in the chemical industry, welding fumes, asbestos, cadmium oxide, and the relation between dust exposure, pneumoconiosis, and chronic bronchitis is briefly presented.
This overview describes different technologies and developments over the past few decades that have been used in the production of textile-based flexible displays and screens. The paper covers textile displays based on optical fibres for the use in communicative clothing, fashion or medical applications; large flexible screens based on flexible ribbons and LEDs to make or to create communicativ...
Tissue-engineered heart valves (TEHV) are a promising approach to solve problems in currently used prostheses. Studies of fibrin based heart valves show promissing results. To overcome last shortcommings concerning the mechanical strength we develope a textile reinforcement.Two approches are tested in this study. One is a composite of manual placed fibres and an electrospun nonwoven layer. The ...
A simple and inexpensive method for producing water-stable pulp fibre yarns using a deep eutectic mixture composed of choline chloride and urea (ChCl/urea) was developed in this work. Deep eutectic solvents (DESs) are eutectic mixtures consisting of two or more components that together have a lower melting point than the individual components. DESs have been previously studied with respect to c...
The purpose of this study was to estimate the risk of adult asthma in relation to certain occupational exposures. The study was designed as a case-control study in Göteborg, including 321 subjects with asthma, born between 1926 and 1970. Controls (n=1,459) were randomly selected from the same area from registers of the 1986 population. Questionnaire information was collected in 1996, and includ...
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عملیات پلاسما در صنعت نساجی به منظور اصلاح خواص سطحی الیاف به کار می رود در این پژوهش منسوج بدون بافت پلی پروپیلنی به منظور بررسی خواص سطحی الیاف آن توسط پلاسمای سرد و کم فشار در زمانهای مختلف، توانهای مختلف و با انواع مختلف گاز عمل شده است. تاثیر پلاسما بر خواص آبدوستی کالا توسط آزمایش زاویه تماس قطره و اندازه گیری کشش سطحی بررسی شده است. همچنین قطره قطره آب رها شده روی کالا پس از 20 ثانیه و م...
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