膜技术分离浓缩葡醛酸水母液的工艺研究
刘俊生1, 余茂宽2, 宣凤琴3, 胡科研1, 汝钊文1
(1.合肥学院膜材料与膜过程重点实验室,安徽 合肥 230022;2.安徽富博医药化工股份有限公司,安徽 蚌埠 233030;3.安徽职业技术学院 化学工程系,安徽 合肥 230051)
摘 要:文章针对葡醛酸水母液中残存的硝酸需要分离处理的企业技术难题,采用膜技术对葡醛酸水母液进行了分离浓缩。主要考察了不同操作方式下葡醛酸水母液的体积稀释倍数与体积稀释比的关系、体积稀释倍数与透余液硝酸浓度的关系、透过液硝酸脱除率、分离前后葡醛酸水母液透过液与透余液波美度变化等工艺参数。结果表明:料液稀释倍数达到4倍以后,采用洗滤技术对葡醛酸水母液中硝酸的脱除具有明显的效果;采用纳滤膜技术可以对其进行浓缩。这些研究对改进葡醛酸水母液的生产工艺、降低生产成本具有积极的意义。
关键词:葡醛酸;水母液;膜分离;体积稀释比;体积稀释倍数
Abstract: In this paper, different concentrations of D-glucuronic acid hydrolysis-solution separated by membrane technology, mainly focusing on the dependence of the times of volume dilution on the ratio of volume dilution, removal efficiency of nitric acid in the permeate, the change trend of Baume in the feed, the condensate and permeate solution. The experimental findings indicate that D-glucuronic acid hydrolysis-solution can be separated via diafiltration process, demonstrating its significance in the improvement of production pattern of D-glucuronic acid hydrolysis- solution.
Key words:D-glucuronic acid; D-glucuronic acid hydrolysis-solution; membrane separation; ratio of volume dilution; times of volume dilution
马克思世界历史视域中科学发展观的精神实质
王浩斌
(河南大学 马克思主义研究院,河南 开封 475001)
摘 要:无论是从发生学的角度来考察,还是从事实判断以及价值判断的角度来分析,科学发展观在很大程度上就是世界历史发展的客观要求和必然产物,而在宏伟的社会主义现代化建设实践中世界历史也逐步彰显着科学发展观的精神实质,在积极推进和谐世界的建设实践中科学发展观无疑具有重大而深远的世界历史意义。
关键词:马克思;世界历史;科学发展观;精神实质
Abstract:Whether investigating from the vision-fields of occurrence, or from the fact-judgment and value-judgment, the Scientific Development Oitlook is the objective request and inevitable outcome of the world history development, the world history gradually embodies the spiritual essence of the Scientific Development Outlook in the process of grand socialist modernization construction, in the process of pushing up the harmonious society construction, and the Scientific Development Outlook has important and profound world history meaning.
Key words: Karl Marx; world history; the Scientific Development Outlook; spiritual essence
高职大学生焦虑量表的编制
曹 晖1, 王大伟2
(1.聊城大学大学生心理健康教育与咨询中心,山东 聊城 252059;
2.山东师范大学 心理学院,山东 济南 250014)
摘 要:方法:首先采取自下而上的思路对58位高职大学生进行结构访谈,获得高职大学生焦虑的具体表现;然后结合文献研究编制量表项目,最后对山东济南、聊城和日照的514名高职大学生施测,考察各项信效度检验。结果:(1)自编高职大学生焦虑量表具有7个因子:学业焦虑、关系焦虑、就业焦虑、生存焦虑、经济焦虑、社会支持焦虑、恋爱焦虑。(2)该量表的各项效度和信度指标均达到了心理测量学要求的水平。结论:编制的高职大学生焦虑量表具有较好的效度和信度。
关键词:焦虑;高职大学生;学业焦虑;经济焦虑;就业焦虑
Abstract:Methods: this anxiety inventory is administered to 514 students in higher VTE schoots from Jinan, Liaocheng and Rizhao cities in Shandong province. Results: ①according to the results of exploratory factor analysis, there are seven factors of anxiety, namely learning anxiety, relation anxiety, job anxiety, existence anxiety, economic anxiety, social support anxiety and love anxiety . ②the anxiety inventory for higher VTE school students is tested to be reliable and valid enough to be applicable to measure students’anxiety. Conclusion:the anxiety inventory for higher VTE school students is demonstrated to have good reliability and validity.
Key words: anxiety; higher VTE school student; learning anxiety; economic anxiety; job anxiety
夹逼准则与抛物型偏微分方程的上下解方法
黄甬穗
(泉州经贸职业技术学院, 福建 泉州 362000)
摘 要:文章把极限的夹逼准则思想应用到抛物型偏微分方程,通过引进上下解,构造出一串单调非增的上解序列和一串单调非减的下解序列,证明了半线性抛物型偏微分方程初边值问题解存在的唯一性。
关键词:夹逼;半线性; 抛物型;上下解;爆炸
Abstract:The paper applies the criteria for limit squeezing principle to parabolic partial differential equations.Through the introduction of upper and lower solution,a string of non-monotonous sequence of solution and a string of non-monotonous solution by the next sequence are constructed,which proves the unique existence of the solution of semi-linear parabolic partial differential equation boundary value problems.
Key words:sqeezing principle; semi-linear; parabolic type; upper and lower solutions; explosion
基于嵌入式TCP/IP系统的智能家居实现
徐 敏
(江苏信息职业技术学院,江苏 无锡 214000)
摘 要:基于嵌入式TCP/IP技术的成熟以及单片机控制技术的发展,将两种技术相结合,构成行之有效的LIN总线布局,实现网络式控制家居中的单个电器及能够控制的设备,进而实现智能家居。
关键词: 智能家居网络;嵌入式系统;TCP/IP协议
Abstract:Based on the mature of embedded TCP/IP technology and the development of controlling technology, the two technologies will be combined to constitute the effective LIN bus layout. It can control the single household electric appliance and control equipment which can be controlled; thereby the smart home comes out.
Key words:smart home network; embedded system; TCP/IP agreement
三相鼠笼式异步电动机软起动
马卫民
(合肥工业大学 电气学院,安徽 合肥 230009)
摘 要:软起动就是在电动机(鼠笼式)定子回路串入有限流作用的电力器件实现起动,通过这种方法降低起动电流和起动转矩。文章分析了三相鼠笼式异步电动机各类软起动的特点,重点论述了软起动的工作原理与应用。
关键词:异步电动机;软起动;晶闸管
Abstract:Soft start is that the electronic devices’ start-up is realized in the loop of stator in a squirrel-cage motor,which can reduce starting current and torque.The paper analyses the characteristics of different soft starts of three-phase asynchronous motor and expounds the working principles of several soft starts.
Key words: asynchronous motor; soft start; SCR
嵌入式单片机与PC机组合应用
孙 越
(合肥工业大学 电气学院,安徽 合肥 230009)
摘 要:嵌入式单片机与PC机组合,PC机可利用单片机的采样DA输出功能, 而PC机的强大功能又弥补了单片机资源不足的困难,二者互相取长补短,可以在很多领域得到广泛的应用。
关键词:嵌入式单片机;PC机;组合应用
Abstract:Embedded single-chip system can be combined with PC computer, and PC computer and make use of data collection function of single-chip system to make up the problem of resource shortage of single-chip system.Both of them will gain wide application in many fields by complementing each other.
Key words:embedded single-chip system; PC computer; combination and application
民意诉求与社会治理方式的冲突与调适
刘振磊
(青岛市社会科学院,山东 青岛 266071)
摘 要:近年来一些社会事件处理不当而酿成的社会治理危机,彰显出民意诉求与社会治理方式之间的矛盾和冲突,这种矛盾的积累有着深刻的社会历史原因。在社会转型的大背景下,支持微信提现的老虎机地用治理理论来指导社会管理,不断改良行政权力运行方式、扩大公众的政治参与、回应不断加强的民意诉求,是完善社会治理方式、防控社会危机的的重要方法。
关键词:民意诉求; 社会治理; 冲突; 调适
Abstract: In recent years, the social governance crisis for improper handling a number of social events highlights the conflict between public demands and social governing manner. There are profound social and historical reasons in the accumulation of the contradiction. The theory of governance should be more used to guide the social management under the background of social transformation, constantly improving the operation of powers, expanding public participation in political affairs, and responding to the continuously strengthening demands of public opinions. The theory is very important to improve the social management, prevent and control the social crisis.
Key words: public demand; social governing; the conflict; adjustment
民工问题研究
黄厚珍, 邹 岚
(广东商学院 人文传播学院,广东 广州 510300)
摘 要:民工问题是中国当前重要的社会问题和理论研究课题之一。民工问题出现的原因,解决民工问题的重要性,以及解决民工问题的策略研究,构成了民工问题研究的主要内容。
关键词:民工问题;出现原因;解决途径
Abstract: The issue of rural laborers is an important social problem and theoretical topic in China.The important content of this issue is the cause, solution and strategy of this issue of rural laborers.
Key words: issue of rural laborers; cause; way to solution
论竞技体育在构建和谐社会中的作用
韩学民, 申海军, 郑 兵
(延安大学体育学院,陕西 延安 71600)
摘 要:随着社会的发展进步,竞技体育拥有越来越丰富的内涵,对一个国家和地区的经济、社会产生着全面、深刻的影响。竞技体育的价值和目标与我们要建设的社会主义和谐社会有密切的联系。文章从人自身、人与社会、人与自然和谐的角度给予分析和研究,阐明了竞技体育对构建和谐社会的重要作用。
关键词:竞技体育; 和谐社会; 奥林匹克
Abstract:With the development and progress of society, competitve sports have a richer connotation and a profound economic and social impact on a region as well as on a country.The value and goal of competitive sports are accordant with the socialist harmonious society we are to set up.The paper makes analyses and research from the persective of harmony between man himself,man and society, as well as man and nature; and it describs the important role of competitive sports to a harmonious society.
Key words: competitive sports; harmonious society; Olympic
道路通行权内涵初探
王秀红
(南京师范大学 法学院,江苏 南京 210097)
摘 要:道路通行权是公民的一项宪法权利,在当代社会对公民具有极其重要的价值。国外对道路通行权的研究较多,但国内法学界对道路通行权的概念尚未能形成一个较为一致的定义。文章在综述国内外有代表性定义的基础上,认为道路通行权有广义和狭义之分,并对其法律性质作出初步的阐述。
关键词:宪法权利;道路通行权;内涵
Abstract:Right of way is a constitutional right of citizen, which is of extreme importance to citizens in the contemporary soicety.A lot of studies has been made on this right in foreign countries,but the legal circle in our country has not reached a consistent definition on the concept of the right.The paper points out that the right of way has a broad sense and narrow one on the basis of the representative definition home and abroad, and describes its nature of law.
Key words: constitutional right; right of way; connotation
论欧盟东扩对FMCG的物流与供应链活动的影响
李晓栋
(广东工贸职业技术学院,广东 广州 510510)
摘 要:文章归纳了FMCG的行业特点及供应链的主要特征,阐述了欧盟东扩的背景及现状,分析了欧盟东扩对欧盟及全球供应链所产生的影响,并以Unilever为例来验证欧盟东扩带来的实际效应。在此基础上,就优化欧盟FMCG供应链管理提出改进建议。
关键词:FMCG; 欧盟扩大; 影响分析; Unilever;深度分销策略
Abstract:This paper concludes the features of FMCG industry and major characteristics of its supply chain, sets forth the background and current situation of EU eastern enlargement, and analyzes the impact of the eastern enlargement on EU and the global supply chain. It also examines the actual effects brought by EU eastern enlargement by taking Unilever as an example, and puts forward an improvement advice for optimization of EU’s FMCG supply chain on the basis.
Key words:FMCG; EU enlargement; impact analysis; Unilever; in-depth distribution strategy
中国服装行业可持续发展的制约因素及对策
程逸群
(安徽省服装质量监督检验所,安徽 合肥 230001)
摘 要:服装行业是我国出口创汇的重要行业。文章分析了中国服装行业发展的制约因素,并就如何迎接欧美等发达国家的技术挑战提出了四个方面的对策,对促进我国服装行业走可持续发展之路具有一定的现实意义。
关键词:服装行业;制约因素;对策
Abstract: Garment industry is an important business to earn foreign exchange through export in china. The paper analyzes the restrictive factors of the garment industry in China and the countermeasures to take up the challenge of developed countries,such as EU and USA. It is of great importance for the industry to maintain sustainalle development.
Key words: garment industry; restrictive factor; countermeasure
基于心理契约违背修正视角的知识型员工管理研究
蒋永忠
(安徽工商职业学院 工商管理系,安徽 合肥 230041)
摘 要:组织中心理契约的违背对知识型员工的管理会产生重要影响,文章从修正心理契约违背的视角入手,研究和分析组织中知识型员工的管理对策,以期最大限度地提升组织管理水平。
关键词:心理契约;心理契约违背;知识型员工;管理
Abstract:It will have a far-reaching influence on knowledge workers' management for psychological contract violation. The paper makes the research and analysis on the management countermeasures of the knowledge workers from the view of the adjustment of psychological contract violation. The purpose is to upgrade the level of organization management to the maximum.
Key words:psychological contract;psychological contract violation; knowledge worker; management
集团公司财务管理模式探讨
——以某工程咨询公司为例
李玉文
(安徽中技工程咨询有限公司,安徽 合肥 230061)
摘 要:财务管理是企业管理的一部分,是支持微信提现的老虎机资金的获得和有效使用的管理工作,财务管理的好坏,直接影响到企业的生存与发展。文章以企业集团财务管理模式的基本理论为基础,结合某工程咨询公司的经营战略,采用理论联系实际和比较分析的方法,提出了适合该咨询公司特点的财务管理模式构想。
关键词:企业集团;财务管理模式;集权
Abstract:Financial management is the part of enterprise governance, and it is the management in which the fund is obtained and used effectively; whether the financial management is good or not, it has a straight impact on the survival and development of the enterprises. Based on basic theory of financial management mode in enterprise groups, and combination of a company’s consulting business strategy and integrating theory with practice and use of comparative analyses, the paper puts forward the financial management concept with characteristics for this consulting firm.
Key words:group of enterprises; mode of financial management; centralization
论鲁迅小说的悲剧性特色
徐振玺
(安徽师范大学 文学院,安徽 芜湖 241003)
摘 要:鲁迅是现代小说大师,也是一位著名的悲剧理论家。将鲁迅小说置于他的人生悲剧理论之下考察,可以发现鲁迅小说集中有部分作品能够称为悲剧性小说。从悲剧人物、悲剧结局、悲剧根源和悲剧取材角度解读鲁迅的小说,可以加深对鲁迅小说的认识和理解。
关键词:鲁迅小说;人生悲剧理论;悲剧性特色
Abstract:Lu Xun is a modern fiction master, and is also a famous theorist about tragedy.If we study his fiction under the background of his tragic theory about life, we can find some of his fiction can be named as tragic fiction.From the perspectives of tragic figure, tragic ending, tragic root and tragic material, we can have a better understanding of Lu Xun’s fiction and also find the unique tragic characteristics.
Key words: Lu Xun’ s fiction; tragic theory about life; tragic characteristic
探索与创新
——论当代中国大众传媒产业化进程的三个历史阶段
李 娟, 刘 勇
(安徽广播影视职业技术学院,安徽 合肥 230022)
摘 要:从1949年至今,我国大众传媒在与政治、经济、文化等多种力量的互动中及其内在双重属性的博弈中,开始了艰难的产业化探索,并进行了很多符合我国国情的创新,先后经历了两次产业化进程和三个主要阶段。
关键词: 探索; 创新; 大众传媒; 产业化;进程
Abstract: From 1949 up till now, the mass media in china has begun the difficult exploration of in the struggle of interaction of politics, economg and culture and their inside dual attrilute and carried on a number of innovation accordant with china’s situation. It has experienced two courses of industralization and three main stages.
Key words: exploration; innovation; mass media; industrialization; course
职业院校单亲家庭学生的心理健康状况及干预
李纯丽1, 张秋红2
(1.呼伦贝尔学院, 内蒙古 呼伦贝尔 021008;2.长春工业大学, 吉林 长春 130032))
摘 要:随着离婚率的逐年上升,出现了越来越多的单亲家庭学生。单亲家庭学生在学习、生活和人格发展上都很容易产生心理问题。如何做好单亲家庭学生的心理健康教育工作,是摆在职业院校面前的一个严峻任务。
关键词:职业院校;单亲家庭学生; 心理健康; 干预
Abstract: Following the rising divorce rate annually, more and more divorced families have appeared. The students with single-parent family are easy to have psychological problems in their study, daily life and personality. So how to do the work very well about the mental health of the students with single-parent family is a very important task in vocational schools.
Key words: vocational school; student with single-parent family;mental health;treatment inetrference
多元智能在创设英语口语交际任务中的利用
刘 宏, 郭鸿雁
(宁夏大学 外国语学院, 宁夏 银川 750021)
摘 要:口语交际中任务的引入是实现语言交际的重要途径。多元智能理论为每个学生树立自信、开发潜能开辟了广阔的道路, 也为现代科学的教学方法提供了重要的理论支撑和实用的教学策略。文章利用多元智能创设出不同的口语任务模式, 从而达到在真实的语境中培养学生口语能力,发展学生个性以及提高学生综合素质,使各项智能全面发展的目的。
关键词:多元智能;任务型教学;任务设计;合作学习;口语能力
Abstract:The introduction to task in oral communication is an important way of achieving language communication. Multiple intelligence theory opens up a vast road in establishing the self-confidence of students and developing their potential, and provides an important theoretical and practical support of the teaching strategies for modern scientific teaching methods as well. This paper aims at training students’ spoken competence, developing their personality and enhancing their overall quality and comprehensive development of intelligences by using multiple intelligences to create a different pattern of verbal tasks in a real context.
Key words: multiple intelligences; task-based language teaching; task design; cooperative learning; spoken competence
材料成型专业《CAD/CAM基础》课程实验教学的改革与探索
朱晓勇, 刘 宁, 尤显卿
(合肥工业大学 材料科学与工程学院,安徽 合肥 230009)
摘 要:针对高校材料成型专业《CAD/CAM基础》课程实验教学中存在的一些问题,文章结合课程实验教学实践,对该课程实验教学内容、实验教学方法和手段以及实验考核方式进行了改革与探索。
关键词:材料成型;实验;教学改革;CAD/CAM
Abstract:Confronting with the existing problems in the experiment teaching of “CAD/CAM Fundamental” for the major of material processing in colleges, and combining experiment teaching practice, this paper expounds on the teaching reform and practice in experiment teaching content, methods and tests.
Key words: material processing; experiment; teaching reform; CAD/CAM