The synthesis of poly ( lactic acid ) is mainly described and so is that of polyesters from renewable natural resources 其中，对脂肪族聚酯聚乳酸的缩聚合成，以及可再生资源用于聚酯的合成进行了重点介绍。
The company is specialized in various kinds of renewable metal resources such as iron and steel , aluminum , copper and so on 公司主要以经营各种可再生金属资源如钢铁，铝，铜等为主，地理位置优越，运输方便。
As a result , the investigation and application of low - cost , nonpolluting and renewable energy engineering technique are widely concerned 全世界都在致力于低能耗、无污染、可再生新能源工程技术的研究与应用。
An alternative approach is to focus on using reclaimed materials which , by weight , cover between 30 % and 80 % of construction components 一种可选择的方法是集中使用可再生的材料，按重量在30 % ? 80 %的施工组成部分之间。
Wind power become more and more important for its advantage of cleanness , regeneration , ripe technology and rich resources 风力发电以其洁净、可再生、技术成熟、风力资源丰富等得天独厚的优势，日益受到人们重视。
The announcement comes a week before president bush travels to brazil for talks in which renewable biofuels will top the agenda 这项公告是在布什总统计划访问巴西前一周宣布的。此次访问的中心议题就是可再生生物燃料。
Among the various solutions , the utilization of solar energy and other regenerative energy for refrigeration is one of the promising choices 利用太阳能等可再生资源来满足人们需求是众多可供选择方案中最直接的解决办法。
Biodiesel is a renewable diesel fuel that is made from domestic resources such as soybean oil or other domestic fats and vegetable oils 生物柴油是可再生的柴油机燃料，它来自与人共处的资源，例如大豆油或其它动物脂肪和植物油。
The power station , which will use a mixture of renewable wood - based fuels , will be built at stevens croft , near lockerbie in scotland 这座将建在苏格兰洛克比史蒂文斯克罗福特的发电厂，将把以可再生的木材为基础的混合物作为燃料。
Compared with the fossil energy , bio - energy of forest has many advantages , such as its reproducibility , less pollution and wide distribution 摘要与石化能源相比，林木生物质能的主要优点在于它的可再生性、低污染性和广泛的分布性。
