Formation mechanism of abnormal carbides in API X80 pipeline steel

针对API X80管线钢在生产实际中遇到的落锤性能较低的问题进行了分析.结果表明,该管线钢在落锤撕裂试样断口处存在大量的异常球形析出物,这些析出物为Mo、Ti、Ni等合金元素的碳化物,尺寸约为几个微米,不但削弱了这些合金元素在钢中的弥散强化作用,而且降低了管线钢的落锤撕裂性能.结合热处理实验,探讨了这些异常长大碳化物的生成机理,即钢板的冷却速度影响碳的扩散,并最终对碳化物的形成产生决定性的作用.减少析出物较好的办法是终轧后空冷至碳化物形成温区的上限附近,然后再强制水冷,保证钢板快速通过碳化物形成区间,从而抑制碳化物的异常长大行为.     

价值冲突与权益均衡:县级人大监督制度创新的机理分析

中国的地方政治制度创新是一个典型的政治过程,涉及制度创新的各行动主体之间的价值冲突,也与各利益相关者之间的权力与利益的博弈与均衡密切相关。本文总结和分析了近年来县级人大监督制度创新的具体实践和内在机理,认为人大制度作为多重制度价值体系冲突的焦点,是近年来地方人大制度创新相当活跃的主要原因。在转型中国的制度创新过程中,基本制度设定的原则与精神是制度变迁的前提性约束条件,多重制度价值体系与话语体系之间的相互冲突是制度变迁的动力与源泉,各政治行动者之间的价值、权力与利益平衡是制度变迁最终得以成功实现的根本保障,制度变迁过程是一个典型的政治过程。     

The Secret of China’s Development

China is undergoing the fastest development in history–one that has invigorated the country and changed the world. China therefore stands out in the international community.Many people wonder what the secret of this astonishing development is. But if you were to ask a thousand people what they thought, you would get a thousand and one     

Life on the China-Myanmar Border

Thanks to preferential policies and government assistance for rural residents and ethnic minorities,the residents of Yujiazhai,a frontier Lisu community,now have higher incomes,better education and broader exposure to the outside world.     

Nanchang:New Explorations in Low-Carbon Development

WITH the modern world chasing economic growth and development while attempting to balance the challenges of dwindling resources and preserving the environment, Nanchangin East China’s Jiangxi Province is part of a pilot project covering eight cities(Nanchang, Tianjin, Chongqing, Shen     

Learn from Ants

THERE are children who can spend many contented hours watching lines of industrious ants go back and forth on their urgent mission of collecting food. Some scientists, however, make these children’s fascination seem insignificant, and spend years studying ants as part of their research. Among them is Dr. Zhang Guojie at Shenzhen BGI, China’s largest genome and bioinformatics analysis center, where he is associate director of its Science Department and head of its Genomic Evolution and Comparison Center.     

The Change One Man Can Make

WHEN I asked Zhang Yuzhen whether she missed her late husband, the 84-yearold paused for some time before answering my question with a curt no. Having expected her eyes to mist over and her voice to crack, I was quite taken aback. Later, however, as we chatted in their small courtyard it became clear that Yang Shanzhou’s career as a regional official and dedication to afforestation in his retirement meant that he had spent little time with his family. Despite their long separation Yang Shanzhou was affectionate towards his     

变动型模糊限制语在使用上的性别差异应用研究——以《老友记》为例

性别差异是人类社会的一种自然现象,由于各自的生理结构、社会因素以及传统文化因素的影响导致女性语言与男性语言也有所区别。概括并分析了变动型模糊限制语在同组性别和不同性别的使用差异情况,同时也从社会文化因素讨论了导致差异的原因。其分析言语差异的目的在于能使人们更好地把握对语言的运用,从而促进跨性别交际的顺利进行。     

关于新建企业工会组建中几个问题的思考

面对非公有制经济中日益庞大的职工群体及复杂的劳动关系 ,如何把这些职工组织到工会中来 ,协调好劳动关系 ,维护非公有制经济中职工的合法权益 ,成为当前现实而紧迫的工作。而新建企业组建工会难的部分原因就是对一些重要问题缺乏理论思考。     

广东历史文化名人选录标准与影响度初探

中华文明历史悠远,五千年来人才章出,每一个省市地区或多或少都产生过历史文化名人,而广东更是名人荟萃.但是对广东究竟有多少历史文化名人,什么人物能够被选入历史文化名人的名单,目前所出版的书籍对此没有统一标准,所选取的人物在省内外的实际影响度也尚无研究数据予以说明.本文尝试通过对有关数据进行归纳和统计,采用对比、分类及问卷调查等方法,探讨各界不同选录标准背后的判断依据或理念,分析广东历史文化名人在省内外的实际影响度,为今后各界继续宣传广东历史文化名人提供有价值的依据.