Their definitions, characters and advantages, development and applications, research progress and utilization were summarized respectively in this paper.

本文综合介绍了这两种产品的概念、特性、开发应用前景及国内外研究进展与利用现状。

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This paper introduces the background and the progress of development practice and research of ERMS, and gives a brief comment.

本文介绍了ERMS的产生背景、开发实践、产品和研究现状，并进行了简要的评论。

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The variety, properties and synthetic methods of cationic polymers were reviewed in this paper. Also, their application, research progress and development in paper-making industry were introduced.

综述了阳离子高分子聚合物的种类、性能及合成方法；介绍了阳离子高分子聚合物在造纸工业中的应用、研究现状及其发展趋势。

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Over the past few decades, there have been steady improvements in cancer survivor rates in the U.S. as a result of extraordinary progress in research and development.

FORBES: Great Strides Made In Developing New Medicines For Cancer

President GEORGE W. BUSH: Do you realize that economists say that as much as half of our nation's economic growth in the last half-century is directly due to technological progress, fueled by research and development, the kind of research and development you can do right here?

NPR: Bush Promotes Competitiveness Initiative

Think about that: one-half of the progress of our economy is due to research and development.

NPR: Bush Promotes Competitiveness Initiative