The present invention relates to a method for preparing an organic phase-change material (PCM) by means of a hydrotreating reaction of animal and plant oils.
The present invention relates to a method for preparing an organic phase-change material (PCM) by means of a hydrotreating reaction of animal and plant oils.
산 경화제를 사용하지 않고 발포한 페놀수지 기반의 경질 폴리우레탄 폼 및 이의 제조방법patents-wipo patents-wipo
When she was 19, Victoire got a job in a palm-oil processing plant.
본 발명은 소음저감기술에 관한 것으로서, 좀 더 자세하게는 지하철 등의 철도 도상에 설치하여 철도 운행시 발생하는 소음을 흡수할 수 있는 흡음콘크리트판에 관한 것이다. 본 발명은 철도 도상용 부재로서, 음을 흡수할 수 있는 투과성 콘크리트를 특수한 형태로 성형한 철도 도상용 흡음콘크리트판이다.jw2019 jw2019
There would be no gasoline-powered engines, no electricity from oil-powered generating plants, none of the many plastics that are manufactured from oil.
The pollutants responsible appear to be gasoline fumes or other volatile organic chemicals spewed forth by industrial plants such as oil refineries, automobile factories, nonnuclear power stations, steelworks, and cement works.
Some Bible translations (RS, ftn; JB) prefer the “castor-oil plant” (Ricinus communis), a perennial plant of rapid growth attaining a height of 3 m (10 ft) or more, and having large leaves.
A thermoelectric plant, using neither coal nor oil, started operating that day, freeing the country from the need to import fuel for generating electric power.