• 植物类药物化合物的可持续性生产

    14-04-09 European scientists have made ground-breaking discoveries for improving the efficiency of the production of pharmaceuticals through plant biotechnology. Biotechnological production offers a cost-effective and environmentally friendly alternative to...

  • 瑞典萨布汽车将重新投产

    13-12-02 Saab will restart production on Monday as the firm's new owners look to get the carmaker back on track. 萨布汽车将于周一重新开始生产,该公司新的所有者们正试图让公司生产重回正轨。 Saab is set to restart production two years after it filed for bankrup...

  • 鉴定热带冰川中冰碛石年龄的准确方法

    13-11-20 A Dartmouth-led team has found a more accurate method to determine the ages of boulders(岩石) deposited by tropical glaciers, findings that will likely influence previous research of how climate change has impacted ice masses around the equator(...

  • to hand over chemical weapons 交出化学武器

    13-11-06 Syrian Foreign Minister Walid al-Muallem on Tuesday said Damascus has already agreed to the initiative by Russia for Damascus to hand over its chemical weapons stocks to international control. 叙利亚外交部长穆阿利姆周二表示,叙利亚政府已经同意俄罗斯...

  • 环保型水泥比普通水泥更坚固

    13-09-17 New research from the Niels Bohr Institute shows that cement made with waste ash from sugar production is stronger than ordinary cement. The research shows that the ash helps to bind water in the cement so that it is stronger, can withstand higher p...

  • 蓝莓口味的定向选择培养

    13-09-05 The University of Florida's (UF) Blueberry Breeding Program has been developing successful blueberry cultivars(栽培品种) for more than 60 years. The cultivars released from UF are credited with creating a Florida blueberry industry that was valued...

  • 倍数如何翻译

    13-06-03 1. A是B的N倍大/长(或者A比B大/长N-1倍) 一般有以下两种英语表达方法; (1) A is N times as large/long (形容词/副词原形) as B. Eg: Asia is four times as large as Europe. (2) A is N times larger/longer(形容词/副词比较级)than B. Eg: Asia is four times lar...

  • 石墨烯是世界上最硬的材料

    13-06-02 In a new study, published in Science, Columbia Engineering researchers demonstrate that graphene, even if stitched together from many small crystalline grains, is almost as strong as graphene in its perfect crystalline form. This work resolves a con...

  • 野生昆虫数量减少影响农作物产量

    13-03-01 Researchers studying data from 600 fields in 20 countries have found that managed honey bees are not as successful at pollinating crops as wild insects, primarily wild bees, suggesting the continuing loss of wild insects in many agricultural landsca...

  • 工程师试图将甲烷转化为有用化合物

    12-12-25 Little more than a decade ago, the United States imported much of its natural gas. Today, the nation is tapping into its own natural gas reserves and producing enough to support most of its current needs for heating and power generation, and is begi...