共查询到14条相似文献,搜索用时 46 毫秒
1.
2.
3.
4.
5.
6.
一保护钍和稀土资源的重要性和紧迫性我国稀土资源储量居世界第一位,钍资源居世界第二位。最主要的稀土和钍矿在内蒙古包头的白云鄂博主矿和东矿,现在两矿作为铁矿已开采了40%,但其中的稀土利用率不到10%,钍利用率则为0%。同时,钍对包头地区和黄河造成放射性等三废污染,若再不采取措施,35年后矿藏全部采完,将进一步加剧对黄河的污染,形势十分紧迫。能源是支撑我国经济高速发展的关键问题。国际上对石油资源的竞争非常激烈,高油价将长久冲击市场,因此,采用核能发电是大势所趋。钍是重要的核能资源之一,我国已查明的钍工业储量为286335吨(二氧… 相似文献
7.
9.
刘军 《中国科技期刊研究》2002,13(6):530-531
介绍一种用Photoshop6软件对信息处理类稿件中的屏幕图像进行保存和处理的方法,这种方法无需对屏幕图像进行扫描,使之直接生成方正排版系统可插入的图形文件,实现图文混排。 相似文献
10.
针对目前高职院校学生的学习生活及行为现状,提出了一些高职院校教师进行教书育人的方法,教书是为了育人,培养出素质高、品行好、技能强的高职毕业生是高职教师的终极目标。 相似文献
11.
本文结合教学实践,从以下几个方面分析了在目前化学课时较少的情况下,如何加强我院基础化学课对学生的吸引力。为提高学生的学习兴趣和改进教师的授课方法提供了一定的理论基础及教学探讨。 相似文献
12.
13.
14.
《International Journal of Information Management》2016,36(3):360-373
As social network services become more pervasive, social media advertising emerges as an attractive vehicle for augmenting advertising effectiveness. To leverage this new means of marketing, one must understand what engages SNS users in a favorable online behavior (i.e., overtly indicating personal interest in, or support for, the exposed message by clicking the Like or Share button in Facebook), thereby resulting in an effective advertising campaign. This research conceptualizes SNS ad effectiveness as a concept encompassing emotional appeal, informativeness and creativity that all have a potential to contribute to a positive online behavior. It empirically investigates the antecedents of positive user behavior for a SNS ad based on the theory of reasoned action, the social influence theory, and a persuasion theory. It proposes and tests a conceptual model of the formation of online user’s behavioral responses with regards to SNS advertising. The results of our empirical tests of the model reveal that informativeness and advertising creativity were key drivers of favorable behavioral responses to an SNS ad and that intention to engage in favorable user responses was positively associated with purchase intention. Based on these findings, the paper suggests further research directions and offers implications for harnessing the full potential of the new SNS advertising platform. 相似文献