吉林大学应用化学学科:理工兼备 特色发展

吉林大学应用化学学科始建于1986年,依托吉林大学化学学科深厚理论基础与学术优势,经过几代应用化学学科人的不懈努力,逐渐形成了“理工兼备”的学科特色。在吉林大学化学学科70华诞之际,回顾了应用化学学科的发展历程,着重介绍了应用化学学科在本科教学与专业特色、科学研究与平台建设、人才培养与社会服务等3个方面取得的成绩,以及今后发展的设想。     

打造学科交叉国际育人平台 推动化学学科原始创新:吉林大学未来科学国际合作联合实验室*

学科交叉融合是前沿重大科学研究的重要特征,是学科原始创新及新学科产生的重要路径,更是拔尖创新人才培养的重要模式。学科交叉融合的根本目的在于打破传统学科之间的壁垒,运用知识的融通培养拔尖创新人才、开展跨学科研究创造新知识、解决前沿重大现实问题等。吉林大学未来科学国际合作联合实验室充分利用学科交叉培养人才的优势,整合化学学科和校内外、国内外优质资源,搭建多学科交叉科研平台,构建“大师-大平台-大学科”育人机制,产出原创性成果,促进化学学科原始创新。     

三嗪基多孔有机材料的合成及在固相微萃取应用中的研究进展

三嗪基多孔有机材料(TPOPs)具有较大的比表面积、可调的孔道结构、较高的热和化学稳定性、丰富的π键体系等诸多优点,目前被广泛应用于气体储存、催化、能源转化和吸附等诸多领域。基于TPOPs的固相微萃取(SPME)技术近年来引起了人们的极大兴趣,成为样品前处理技术领域的研究热点之一。该文简要地综述了近年来TPOPs的合成方法及其在固相微萃取领域的应用与发展,并对该领域研究进行了展望。     

基于i.MX35的工程机械显示终端设计

工程机械显示终端是重要的人机交互界面,随着工程机械控制系统信息化和智能化水平的不断提高,对车载显示终端也提出了越来越高的要求。为了满足需求,研制了基于i.MX35的工程机械显示终端,该显示终端以i.MX35多媒体应用处理器为核心,采用CODESYS作为应用编程平台,实现了人机界面显示、CAN总线通信、摄像头视频采集、大容量数据存储等功能,具有显示性能强大、启动速度快、应用编程灵活、易于扩展等特点,可以广泛应用于各种工程机械控制系统中。     

Biembedding Steiner Triple Systems in Surfaces Using the Bose Construction

A uniform framework is presented for biembedding Steiner triple systems obtained from the Bose construction using a cyclic group of odd order, in both orientable and nonorientable surfaces. Within this framework, in the nonorientable case, a formula is given for the number of isomorphism classes and the particular biembedding of Ducrocq and Sterboul (preprint 18pp., 1978) is identified. In the orientable case, it is shown that the biembedding of Grannell et al. (J Combin Des 6 ( 7 ), 325–336) is, up to isomorphism, the unique biembedding of its type. Automorphism groups of the biembeddings are also given.     

价值引领融入“无机化学与化学分析”的课程思政建设

将课程思政应用到"无机化学和化学分析"教学中,更好发挥其价值引领作用。开展课程思政建设,应做到守正与创新。本文以价值引领为切入点,介绍如何将思想政治教育有机融入课程内容设置和课堂讲授等环节,力求培养学生的家国情怀、国际视野、法治意识、生态意识、工程伦理、人文关怀等科学素养,深入践行立德树人,提高本科教学质量。     

On K‐Theory of Simplicial Rings and Degreewise Constructions

We give a measure of the difference between Waldhausen's definition of the Ktheory of a simplicial ring and the definition we obtain by extending Quillen's definition degreewise. This has computational advantages as the degreewise Ktheory sometimes is simpler to work with.     

Some Upper Bounds on the Covering Radii of Linear Codes Over Fq and Their Applications

We show that the covering radius R of an [n,k,d] code over F_q is bounded above by R n-n _q(k, d/q). We strengthen this bound when R d and find conditions under which equality holds.As applications of this and other bounds, we show that all binary linear codes of lengths up to 15, or codimension up to 9, are normal. We also establish the normality of most codes of length 16 and many of codimension 10. These results have applications in the construction of codes that attain t[n,k,/it>], the smallest covering radius of any binary linear [n,k].We also prove some new results on the amalgamated direct sum (ADS) construction of Graham and Sloane. We find new conditions assuring normality of the ADS; covering radius 1 less than previously guaranteed for ADS of codes with even norms; good covering codes as ADS without the hypothesis of normality, from concepts p- stable and s- stable; codes with best known covering radii as ADS of two, often cyclic, codes (thus retaining structure so as to be suitable for practical applications).