scholarly journals Design and Analysis of Electrodes for Electrostimulation (TENS) Using the Technique of Film Printing and Embroidery in Textiles

Sensors ◽  
2021 ◽  
Vol 21 (14) ◽  
pp. 4789
Author(s):  
Ewa Skrzetuska ◽  
Daria Michalak ◽  
Izabella Krucińska
Keyword(s):  
Mechanical Deformation ◽  
Raw Material ◽  
Performance Tests ◽  
Conductive Ink ◽  
Electrically Conductive ◽  
Textile Electrodes ◽  
Printing Technique ◽  
Stimulating Electrodes ◽  
Operational Processes ◽  
Selection Of

This article describes the development of transcutaneous nerve stimulating electrodes (TENS) by means of electrically conductive ink and conductive yarn. The scope of work covered a selection of three types of knitwear with a similar surface weight with different raw material composition. Stimulating electrodes were made by means of film printing and machine embroidery. The electrodes were verified after friction tests, washing, and mechanical deformation. Each process was followed by a check of the resistive properties and assessment of the sensations in order to evaluate their performance. Tests of the surface resistance of research materials confirmed the possibility of preparing textile electrodes for electrostimulation with the use of the film-printing technique and machine embroidery. Resistance of the electrodes made on all types of substrates ranged from approximately 1.00 × 10−2 Ω to around 2.00 × 102 Ω, while the electrodes are commercially available at the level of approximately 3.5 × 105 Ω. This paper underpins the validation of the conclusion that operational processes do not adversely affect the functioning of the developed textile electrodes.

Teknologi Esktrasi dan Cara Pemisahannya untuk Mendapatkan Kembali Karotenoid dari Minyak Sawit : Suatu Tinjauan

2016 ◽  
Vol 9 (1) ◽  
pp. 80-95
Author(s):  
Agus Sudibyo ◽  
Sardjono Sardjono
Keyword(s):  
Vitamin A ◽  
Palm Oil ◽  
Beta Carotene ◽  
Cost Effective ◽  
Raw Material ◽  
Extraction And Separation ◽  
Molecular Product ◽  
Industrial Use ◽  
Palm Oil Mill ◽  
Selection Of

Crude palm oil (CPO)is the richest natural plant source of carotenoids in terms of retinol (pro-vitamin A) equivalent, whereas palm oil mill effluent (POME) is generated from palm oil industry that contains oil and carotenes that used to be treated before discharge. Carotenoids are importance in animals and humans for the purpose of the enhancement of immune response, conversion of vitamin A and scavenging of oxygen radicals. This component has different nutritional  functions and benefits to humaan health. The growing interest in the other natural sources of beta-carotene and growing awareness to prevent pollution has stimulated the industrial use of CPO and POME as a raw material for carotenoids extraction. Various technologies of extraction and separation have been developed in order to recover of carotenoids.This article reports on various technologies that have been developed in order to recover of carotenoids from being destroyed in commercial refining of palm oil and effects of some various treatments on the extraction end separation for carotenoid from palm oil and carotenoids concentration. Principally, there are different technologies, and there is one some future which is the use of solvent. Solvent plays important role  in the most technologiest, however the problem of solvents which are used is that they posses potentiaal fire health and environmental hazards. Hence selection of the  most safe, environmentally friendly and cost effective solvent is important to design of alternative extraction methods.Chemical molecular product design is one of the methods that are becoming more popular nowadays for finding solvent with the desired properties prior to experimental testing.ABSTRAKMinyak sawit kasar merupakan sumber karotenoid terkaya yang berasal dari tanaman sawit sebagai senyawa yang sama dengan retinol atau pro-vitamin A; sedangkan limbah pengolahan minyak sawit dihasilkan dari industri pengolahan minyak sawit yang berisi minyak dan karotene yang perlu diberi perlakuan terlebih dahulu sebelum dibuang. Karotenoid merupakan bahan penting yang diperlukan pada hewan dan manusia guna memperkuat tanggapan terhadap kekebalan, konversi ke vitamin A dan penangkapan gugus oksigen radikal. Dengan berkembangnya ketertarikan dalam mencari beta-karotene yang bersumber dari alam lain dan meningkatnya kesadaran untuk mencegah adanya pencemaran lingkungan, maka mendorong suatu industri untuk menggunakan CPO dan POME sebagai bahan baku untuk diekstrak karotenoidnya. Berbagai macam teknologi guna mengekstrak dan memisahkan karotenoid telah dikembangkan untuk mendapatkan kembali karotenoidnya. Makalah ini melaporkan dan membahas berbagai jenis teknologi yang telah dikembangkan guna mendapatkan kembali senyawa karotenoid dari kerusakan di dalam proses pemurnian minyak sawit secara komersial dan pengaruh beberapa perlakuan terhadap ekstrasi dan pemisahan karotenoid dari minyak sawit dan konsentrasi karotenoidnya. Pada prinsipnya, berbagai teknologi yang digunakan untuk mengekstrak dan memisahkan karotenoid terdapat perbedaan, dan terdapat salah satu teknologi yang digunakan untuk esktrasi dan pemisahan karotenoid adalah menggunakan bahan pelarut. Pelarut yang digunakan mempunyai peranan yang penting dalam teknologi ekstrasi; namun pelarut yang digunakan untuk mengekstrak tersebut mempunyai persoalan karena berpotensi mengganggu kesehatan dan membahayakan cemaran lingkungan. Oleh karena itu, pemilihan jenis teknologi yang aman, ramah terhadap lingkungan dan biaya yang efektif untuk penggunaan pelarut merupakan hal penting sebelum dilakukan desain metode/teknologi alternatif untuk esktrasi karotenoid. Pola produk molekuler kimia merupakan salah satu metode yang saat ini menjadi lebih populer untuk mencari pelarut dengan sifat-sifat yang dikehendaki sebelum diujicobakan. Kata kunci :    karotenoid, ekstrasi, pemisahan, teknologi, minyak sawit kasar, limbah industri pengolahan sawit.

scholarly journals Selection of plantain cultivars as raw material for ripe plantain flour

2021 ◽  
Vol 672 (1) ◽  
pp. 012071
Author(s):  
N K I Mayasti ◽  
R Kumalasari ◽  
R Ekafitri ◽  
D Desnilasari ◽  
D N Surahman ◽  
...  
Keyword(s):  
Raw Material ◽  
Selection Of

Production of Miniaturized Sensor Structures on Polymer Substrates Using Inkjet Printing

2014 ◽  
Vol 1038 ◽  
pp. 49-55 ◽  
Author(s):  
Oleksandr Kravchuk ◽  
Kristina Grunewald ◽  
Joachim Bahr ◽  
Florian Hofmann ◽  
Marcus Reichenberger
Keyword(s):  
Inkjet Printing ◽  
Mechanical Deformation ◽  
Strain Sensors ◽  
Performance Tests ◽  
Polymer Substrates ◽  
Surface Conditions ◽  
Grid Line ◽  
Line Widths

Strain sensors based on the resistive principle have been developed and produced by inkjet printing. Depending on the surface conditions of the substrates and the properties of the silver inks, with adequate densification of the printed nanoparticle containing structures, gauge factors of around 2.6, dimensions of 6.7 mm × 6.4 mm and grid line widths of around 90 μm, have been achieved with silver inks. Performance tests including up to 120 mechanical deformation cycles have been successfully carried out.

Some criteria for the selection of peat as a raw material for liquefaction

Fuel ◽  
1988 ◽  
Vol 67 (11) ◽  
pp. 1589-1591 ◽  
Author(s):  
E BJORNBOM ◽  
P BJORNBOM
Keyword(s):  
Raw Material ◽  
Selection Of

scholarly journals HACCP system in radiation-hygiene control of pig production

2005 ◽  
Vol 59 (5-6) ◽  
pp. 529-547
Author(s):  
Radosav Mitrovic ◽  
Ranko Kljajic ◽  
Mihajlo Vicentijevic
Keyword(s):  
Radiation Safety ◽  
Raw Material ◽  
Production Chain ◽  
Typical Representative ◽  
Pig Production ◽  
Haccp System ◽  
Pig Feed ◽  
Intensive Breeding ◽  
Selection Of

The paper presents instructive methodology for introducing and realizing the HACCP system in pig production, as a typical representative of intensive breeding, with the objective of establishing radiation-hygiene supervision. Attention was focused on the type of pig diet as the key link in the production chain, in fact the selection of the raw material components necessary in the production of pig feed concentrates for intense breeding conditions, and on the establishment of a certain radiation-hygiene balance through prognostic-selective methodology, as a guarantee of radiation safety.

scholarly journals New Laboratory and Pilot Techniques Applied at Mintek in Aid of Furnace Containment System Designs

JOM ◽  
2021 ◽  
Author(s):  
Joalet Dalene Steenkamp ◽  
Kondwani Wesley Banda ◽  
Pieter Johannes Andries Bezuidenhout ◽  
Glen Michael Denton
Keyword(s):  
Pilot Scale ◽  
Industrial Applications ◽  
Raw Material ◽  
Design Philosophy ◽  
Dc Arc Furnace ◽  
Containment System ◽  
Furnace Technology ◽  
Dc Arc ◽  
System Designs ◽  
Selection Of

AbstractThe Pyrometallurgy Division at Mintek is known internationally for the development of applications of direct current (DC) arc furnace technology in smelting applications, more specifically in the smelting of primary resources, i.e., chromite, ilmenite, titanomagnetite, nickel laterite and ores containing precious group metals, and secondary resources, i.e., furnace slag or dust. From a furnace containment perspective, either an insulating or a conductive design philosophy can be applied, irrespective of the raw material being processed. In the initial stages of a project, desktop studies are typically conducted which include the selection of a furnace containment design philosophy, specific to the application. To lower the risk associated with incorrect selection of a design philosophy and/or furnace containment system components, it is prudent to conduct tests on laboratory and pilot scale and to transfer the knowledge gained to industrial applications. The paper presents examples of the laboratory and pilot techniques utilized.

scholarly journals Efektywność produkcji FAME na podstawie wymagań normy ISO 14045:2012

Nafta-Gaz ◽  
2021 ◽  
Vol 77 (3) ◽  
pp. 208-214
Author(s):  
Michał Pajda ◽  
◽  
Wojciech Mazela ◽  
Keyword(s):  
Natural Environment ◽  
New Technologies ◽  
Negative Impact ◽  
New Technology ◽  
Methyl Esters ◽  
Production Costs ◽  
Raw Material ◽  
Energy Materials ◽  
The Impact ◽  
Selection Of

The aim of the work was to present the issue of eco-efficiency, based on the PN-EN ISO 14045:2012 standard in relation to the production of fatty acid methyl esters (FAME). The ecoefficiency analysis takes into account economic and environmental aspects in the improvement of products and processes / technologies. Eco-efficiency considers the product and technology throughout the life cycle, from the construction phase, through use to decommissioning. The impact on the natural environment is assessed on the basis of: consumption of energy, materials, dust and gas emissions, waste and sewage. Total costs include: production costs, raw material costs, costs during the use phase including maintenance, repair and operating costs, product disposal or recycling. The eco-efficiency analysis is helpful in making decisions regarding the selection of a new product or designing a new technology, and enables the selection of the variant that is the most economical and has the least possible impact on the natural environment. These issues are particularly important in the case of biofuels. The rapid growth of their production and the European Union’s policy, which aims to increase the share of energy from renewable sources, cause concerns of many experts regarding the threats related to the production of biofuels, both for the environment and food security. In particular, efforts are made to minimize the amount of waste and residues by implementing the idea of a circular economy. This approach promotes the development of new technologies that are more environmentally friendly. Due to the regulations set out in the RED and RED II Directives, there is a chance that the biofuels will have a less negative impact on the environment. This results from the obligation to certify compliance with the sustainability criteria, which is carried out by voluntary systems recognized by the European Commission, such as the KZR INiG System.

scholarly journals Selection of Fish Raw Material Suppliers by Integrating ANP and Topsis Methods in CV. Riki Utama Mandiri

2021 ◽  
Vol 1 (2) ◽  
Author(s):  
Aula Fajar Iman Sakti ◽  
Wiwik Sulistiyowati
Keyword(s):  
Supplier Selection ◽  
Raw Materials ◽  
Rank Order ◽  
Raw Material ◽  
Network Process ◽  
The Common ◽  
Common Problems ◽  
Frozen Fish ◽  
A Company ◽  
Selection Of

CV. Riki Utama Mandiri is a company in distributing an economic fish frozen product. This company distributed any kind of retail and wholesaler, both domestic and export. They distributing many frozen fish products variant such as Patin Fillet and Shark Fin. The all raw materials of those frozen seafood was obtained by three different suppliers. The common problems found in CV. Riki Utama Mandiri mostly about raw patin fish supplier which often committed delivery delays.  The purpose of this research is to fixing the supply chain management in deciding the more accurate selections of raw materials supplier. To overcome the common problems that happen. Analytical network process (ANP) will simplify the criteria weight values and sub criteria of each supplier. Meanwhile, technique for others reference by similarity to ideal solution (TOPSIS) method is used for giving a rank order of the alternative supplier. This research is expected for being a consideration for the company in obtaining a good and more effective kind of raw supplier. We also expecting the company for tighten supplier selection more effective way so that it can fullfilled the existing standard. Also to overcome the common problems such as delivery delays, competing raw materials with uncertain quality, and difficulty in sort out the raw materials due to size issues.

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