生物质是地球上唯有一种可以提供气体、液体和固体三种形态燃料的能源资源，具有分布广、洁净性及可再生、可存储等特点，是排在煤、油、气之后的全球第四大能源，且减排温室气体效果好。生物质能热电联产产业可以改变能源结构、改善生态环境、延长农业产业链、增加农民收入，是国家大力提倡的循环经济的具体实践，对促进资源节约型、环境友好型社会建设，服务“三农”和推进美丽乡村建设都有重要作用。我国是农业大国，农作物秸秆及农产品加工剩余物、林业剩余物等生物质资源丰富，有利于生物质热电联产项目的发展，具有清洁环保、经济可靠、可再生利
Competition in Cambrian seas helped cause an explosion in diversity.
If you’re on the beach, these maps show you what’s across the ocean around the world
Life span, the period of time between the birth and death of an organism. The maximum life span is a theoretical number whose exact value cannot be determined from existing knowledge about an organism; it is often given as a rough estimate based on the longest-lived organism of its species known to date.
由中國設計師畢鈞瑞（JOHN）擔任插畫、人偶原型師，所創作的高級收藏人偶品牌「Black13Park」，繼第四彈【麻雀】Airborne–Irene之後，粉絲們期待已久的第五彈終 ...
Публикуем лучшие проекты на тему «Жилой район», разработанные студентами 4 курса МАРХИ под руководством преподавателей Всеволода Медведева, Михаила Канунникова и Зураба Басария.
A world of languages - and how many people speak them http://t.co/NXa4tTqmOp
Gmail, one of the most widely used email services, turned 9 years old this month. A lot has changed in the past decade, Gmail and online communication as a whole has evolved a lot. Gmail’s 10th year is already underway, but it is interesting to look back and see how the service has evolved in all these years. Google has posted an infographic on the Gmail blog which depicts all […]
