Materials Literature
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This article discusses why it is essential to develop new codes and standards for nuclear power industry. The reason for developing new codes for nuclear power sector is simple to understand. It has to do with the fundamental purpose of all standards: Standards exist to serve not only all the stakeholders in an indust…
Front Cover: The framework structure of rigid poly(amide acid) and polyimide networks can be tuned by the selection of a robust and symmetric crosslinker structure. The S4-symmetric four-armed crosslinker can provide homogeneous network structures compared with the C3-symmetric three-armed crosslinker. Further details…
Se elaboraron los especimenes, reproduciendo en cada uno de ellos las temperaturas registradas, a fin de lograr las caracteristicas obtenidas en cada extremo de las barras de acero cortadas con los metodos analizados. Todo esto a fin de que los ensayos realizados representen de la forma mas cercana, los resultados obt…
Cationic gemini surfactants have been used for delivery of DNA into cells. These cationic surfactants are known to strongly bind to DNA to form a complex. In the dilute regimen, when the gemini-DNA complexes are mixed with helper neutral lipids, they undergo spontaneous assembly to form particles that are able to tran…
가스화기 종류는 크게 고정층, 유동층, 분류층으로 나눌 수 있으며 석탄 가스화기 는 주로 분류층을 이용한 대형 가스화시스템 개발에 치중되어 있다. 석탄은 다량의 연료 공급이 용이하므로, chemical 및 합성연료 생산, IGCC와 같이 투자규모가 큰 사업을 대상으로 발전했으며 상용화된 석탄 가스화기는 분류층 방식을 활용하였다. 분류층 가스화기는 석탄을 미분화 하여 이용하고 산소를 가스화제로 사용하므로 수 천 톤/일 이상의 대형 시스템에 적합하며 고온 가스화 과정에서 Ash melting을 동반 하므로 석탄 내 회재 특성에 민감하여 사용 가능한 연료 범위가 비교적…
국민생활 수준의 향상으로 내수시장이 확대되어 현재 우리나라의 자동차 등록대수는 1,950만 여대에 이른다. 이로 인하여 폐자동차의 발생량도 지금까지 일시적인 감소를 제외하고는 꾸준히 증가하여, 2013년에는 77만 여대가 발생하였다. 이중 일부는 중고 차로서 수출되고 대부분은 해체되어 재활용 대상이 된다. 폐자동차의 해체공정을 살펴 보면, 최초 해체업자에게 인도되어 유용 부품이 회수된 후, 압축하여 슈레더 업체로 옮겨지며 이렇게 압축된 차량을 press body라고 한다. Press body에서 철, 비철금속 등의 유가금속을 회수하기 위한 슈레더 공정을 거치고 나면…
The manufacturing process of glass fibers used for the reinforcement of composite material consists in drawing a glass melt at high temperature through an array of thousands of small orifices (i.e. the bushing plate) into fibers using a winder. This process is sensitive to numerous disturbances that can cause the fibe…
International audience
Στόχος της παρούσας διατριβής ήταν η μελέτη της ικανότητας για φαγοκυττάρωση τωνμακροφάγων ασθενών με σύνδρομο Sjogren, αποπτωτικών και νεκρωτικών κυττάρων.Χρησιμοποιήθηκαν κύτταρα Jurkat στα οποία επήχθη απόπτωση μέσω UVB ακτινοβόλησηςπροκειμένου να μελετηθεί η φαγοκυττάρωση των αποπτωτικών κυττάρων (ΑΠΚ-φαγοκυττάρωσ…
Polarization properties of the surface plasmon resonance (SPR) in a nanosized gold film fabricated by the thermal evaporation are studied with the use of the internal reflection method and the modulation polarimetry technique. The spectral and angular characteristics of the reflection coefficients for linearly polariz…
En dispersant correctement des nano-objets dans diverses matrices, on obtient des matériaux composites dont les propriétés offrent de nouvelles opportunités. Cependant, il est indispensable de caractériser les nano-objets au préalable et d'en contrôler la qualité pour garantir la reproductibilité des propriétés visées…
Depuis de nombreuses décennies déjà, sont apparues des fibres de spécialités dites "bicomposantes". Comprenant deux, voire trois polymères, elles apportent de nouvelles propriétés, comme la finesse, la surface spécifique, ou encore des fonctionnalités aux matériaux textiles. C'est un marché qui représente 200 000 tonn…
The aim of this applied research is to design a sustainable industrial scale enzyme based flax retting process. A systematic approach has been adopted. The screening and selection of enzymes for flax retting has been carried out. Alkaline pectinase has been identified as the most appropriate enzyme for the flax rettin…
The recycling of post consumer cotton textile waste is highly requested, due to the high environmental impact of cotton production. Often cotton is mixed in blends with polyethylene terephthalate (PET). For the generation of high value products from recycled cotton, it essential that PET is separated from the cotton f…
Blackthorn Resources Ltd will redirect the $US12 million gained from the sale of its interest in the Perkoa mine towards development of the company's Kitumba copper project in Zambia.
Recently, urgent subject in industrial society are established the foundation of resources supply system on progressing to rapid speed and variety. Solution method of this problem are realized the recycling society, resource circulation society, sustainable developing society and low carbon/green growth society. Recyc…
The accumulation of heavy metals in water bodies represent a widespread cause of pollution, and poses the need \nto develop novel technologies to remove metals at the source, abating the costs of the commonly used chemical \nand physio-chemical methods. The use of cyanobacteria as biosorbents has been acknowledged as…
Metal oxides in the atmosphere emitted from various natural and anthropogenic processes alter the chemical balance of the Earth's atmosphere due to heterogeneous and photochemical processes with atmospheric trace gases. Therefore, understanding the heterogeneous chemistry and heterogeneous photochemistry of atmospheri…
Humidity receptors have never been identified on human skin and the ability to perceive skin wetness has been suggested to rely on the sensory inputs arising from thermal cold afferents. However, limited data are available on how thermal afferents and their regional distribution influence the perception of wetness. PU…
Black Fire Minerals Ltd will look to raise quick cash in a tight market to fund a drilling programme at the Pilot Mountain tungsten-copper project in Nevada.