发挥多媒体课件优势 优化有机化学教学

课堂教学是教师接触学生、传授知识和实践教育理念的主战场.要实现课堂要求,必须整合"多媒体个性"、多媒体的"教师个性"和多媒体的"学生个性".通过整合实现最有效的有机化学课堂教学.通过多媒体有机化学教学,提高课堂效率.     

食品安全知识在有机化学教学中的渗透

在有机化学教学中渗透食品安全知识,使食品安全知识与有机化学教学有机结合,提高学生学习兴趣,增强学生的食品安全意识．     

农林类有机化学自主学习教学改革探索

有机化学是一门重要的基础课,是农林学科的基础必修课程.有机化学教学内容多,难度大,学习效果往往并不理想.随着"终身学习"社会的到来,大学教育的使命不只是传授有限的知识,更重要的是帮助大学生培养自主学习能力.在有机化学理论教学过程中,针对农林类有机化学教学现状,对课程体系、教学方法和考核方式等方面进行了探索和实践,提出了激发学生学习的兴趣,培养学生自主学习能力的教学改革措施.     

加强有机化学教学改革,缩短教学与实际应用差距

探讨有机化学理论和实验教学与现代制药企业对技术人才要求之间的差距,指出目前教材和教学当中存在的与企业要求不相一致之处.提出了有机化学教材和教学改革的一些建设性意见.认为选取现代有机化学知识的内容作为教材,通过现代科学实验提高教师的有机化学知识到现代水平,增加学生实践时间以及扩大学生对有机化学实际应用的眼界,通过网络扩大学生对现代有机化学知识的了解,才有利于培养出企业需求的复合型有机化学专业人才.     

兴趣培养与有机化学教学

本文旨在通过对有机化学教学的现状进行分析,并结合教育学、心理学的相关知识。阐明兴趣的培养对有机化学教学的重要意义和作用。     

注重实用与应用，搞好医用有机化学教学

有机化学是临床医学专业的一门重要的必修基础课程。针对教学中存在的实际问题，要立足于知识的实用，抓好有机化学理论教学；立足于应用型人材的培养，加强有机化学实验教学。     

有机化学课的"辩论式"教学初探

通过教学实践,阐述了有机化学教学中引入"辩论式"教学的教学效果,详细介绍了有机化学教学中引入辩论式教学的策划、组织和评价.     

基础有机化学教材改革与探究式教学融合发展研究

基础有机化学教材改革与探究式教学方法相结合是高等院校课程改革的重要阵地之一.采用问题式教材模式编写的《基础有机化学》教材,将探究式教学贯穿于基本概念、基本知识、基本思路和综合应用的教学中来改善有机化学课程教学效果,非常有益于夯实学生有机化学知识的应用能力,同时对学生创新潜质的培养提供了良好的机遇.     

“有机化学”课程教学改革的探索

有机化学作为高等学校一门重要的基础课程,具有自己特有的知识体系和特点。为了提高学生的学习质量及对知识的应用能力,培养具有创新能力人才,本文从教学内容和教学方法上介绍了作者在有机化学教学中的一些实践和体会,提出了研究性学习方法,并对有机化学的教学改革提出了一些建议。     

石油类专业有机化学教学改革的探索与实践

有机化学知识贯穿于整个石油行业,对于石油类专业学生来说,掌握必要的有机化学知识是专业要求。在课时数减少的情况下,选择合适的教学内容和教学方法进行教学,同时注重过程考核,可以取得良好的教学效果。     

Markedness and its Interpretation in Language Use

Language markedness is a common phenomenon in languages, and is reflected from hearing, vision and sense, i.e. the variation in the three aspects such as phonology, morphology and semantics. This paper focuses on the interpretation of markedness in language use following the three perspectives, i.e. pragmatic interpretation, psychological interpretation and cognitive interpretation, with an aim to define the function of markedness.     

Features of Women's language

Language is a means of verbal communication. People use language to communicate with each other. In the society, no two speakers are exactly alike in the way of speaking. Some differences are due to age, gender, statue and personality. Above all, gender is one of the obvious reasons. The writer of this paper tries to describe the features of women＇s language from these perspectives： pronunciation, intonation, diction, subjects, grammar and discourse. From the discussion of the features of women＇s language, more attention should be paid to language use in social context. What＇s more, the linguistic phenomena in a speaking community can be understood more thoroughly.     

An Analysis of Catherine＇s Character——Wuthering Heights

Wuthering Heights, Emily Bronte＇s only novel, was published in December of 1847 under the pseudonym Ellis Bell. The book did not gain immediate success, but it is now thought one of the finest novels in the English language. Catherine is the key character of this masterpiece, because everybody and everything center on her though she had a short life. We can understand this masterpiece better if we know Catherine well.     

Lower Paleozoic oil relationships within Williston Basin, Canada

The Williston Basin is a significant petroleum province, containing oil production zones that include the Middle Cambrian to Lower Ordovician, Upper Ordovician, Middle Devonian, Upper Devonian and Mississippian and within the Jurassic and Cretaceous. The oils of the Williston Basin exhibit a wide range of geochemical characteristics defined as "oil families", although the geochemical signature of the Cambrian Deadwood Formation and Lower Ordovician Winnipeg reservoired oils does not match any "oil family". Despite their close stratigraphic proximity, it is evident that the oils of the Lower Palaeozoic within the Williston Basin are distinct. This suggests the presence of a new "oil family" within the Williston Basin. Diagnostic geochemical signatures occur in the gasoline range chromatograms, within saturate fraction gas chromatograms and biomarker fingerprints. However, some of the established criteria and cross-plots that are currently used to segregate oils into distinct genetic families within the basin do not always meet with success, particularly when applied to the Lower Palaeozoic oils of the Deadwood and Winnipeg Formation.     

低渗透非均质砂岩油藏启动压力梯度研究

理论推导与室内实验相结合,建立了低渗透非均质砂岩油藏启动压力梯度确定方法。首先借助油藏流场与电场相似的原理,推导了非均质砂岩油藏启动压力梯度计算公式。其次基于稳定流实验方法,建立了非均质砂岩油藏启动压力梯度测试方法。结果表明:低渗透非均质砂岩油藏的启动压力梯度确定遵循两个等效原则。平面非均质油藏的启动压力梯度等于各级渗透率段的启动压力梯度关于长度的加权平均;纵向非均质油藏的启动压力梯度等于各渗透率层的启动压力梯度关于渗透率与渗流面积乘积的加权平均。研究成果可用于有效指导低渗透非均质砂岩油藏的合理井距确定,促进该类油藏的高效开发。     

On Tragic Consciousness In The Works By Ernest Hemingway

As an American modern novelist who were famous in the literary world, Hemingway was not a person who always followed the trend but a sharp observer. At the same time, he was a tragedy maestro, he paid great attention on existence, fate and end-result. The dramatis personae's tragedy of his works was an extreme limit by all means tragedy on the meaning of fearless challenge that failed. The beauty of tragedy was not produced on the destruction of life, but now this kind of value was in the impact activity. They performed for the reader about the tragedy on challenging for the limit and the death.     

Design and analysis of generic LBS application developing platform

Location based services is promising due to its novel working style and contents.A software platform is proposed to provide application programs of typical location based services and support new applications developing efficiently. The analysis shows that this scheme is easy implemented, low cost and adapt to all kinds of mobile nework system.     

Achieving Unusual States of Matter Under High Pressure

正The periodicity of the elements and the non-reactivity of the inner-shell electrons are two related principles of chemistry,rooted in the atomic shell structure.Within compounds,Group I elements,for example,invariably assume the+1 oxidation state,and their chemical properties differ completely from those of the p-block elements.These general rules govern our understanding of chemical structures and reactions.Using first principles calcula-     

Exchange-Correlation and Electronic Excitation Energies from Pairing Matrix Fluctuations

We have developed an adiabatic connection to formulate the ground-state exchange-correlation energy in terms of pairing matrix linear fluctuations.This formulation of the exchange-correlation energy opens a new channel for density functional approximations based on the many-body perturbation theory.We illustrate the potential of such approaches with an approximation based on the particle-particle Random Phase Approximation(pp-RPA).This re-     

Density Functional Theory for the Response of Periodic Systems to Electric Fields Based on the Vector Potential Approach

正The electronic and nuclear(structural/vibrational)response of 1D-3D nanoscale systems to electric fields gives rise to a host of optical,mechanical,spectral,etc.properties that are of high theoretical and applied interest.Due to the computational difficulty of treating such large systems it is convenient to model them as infinite and periodic(at least,in first approximation).The fundamental theoretical/computational problem in doing so is that