创新教学思想，提高师范生素质——谈化学素质论教学方式的改革

本从三个方面讨论了化学教学论教学改革的想法。首先，变“以教师为中心”为“以学生为中心”；其次利用现代化教学设备，增强教学的直观性和趣味性；第三，采用CAI教学软件，缩短教学时间，增加信息。     

新课程标准对教师教学行为的影响

新课程改革成功与否，教师起着关键性的作用。为此教师的教学行为应实现如下转变：一、由统一规格教育转变为差异性教育；二、由以传授知识为中心转变为以能力发展为中心；三、由“以教定学”转变为“以学定教”；四、由重视教学结果转变为重视教学过程。     

构建会计实践教学体系的探讨

会计实践教学是会计专业教学的重要环节,具有重要的现实意义,但原有实践教学体系已不能满足教学管理的需要．本文从改革会计实践教学的角度出发,提出了构建“以过程为中心”的“三模块”会计实践教学体系．     

浅谈在英语课堂教学中“以学生为中心”的实质及其实施策略

运用＂信息科学＂的观点阐释了“以学生为中心”的课堂教学实质上就是“以合理安排的教学活动为中心”;并在此基础上进一步论述了在英语课堂教学实践中如何真正实现师生共同围绕教学活动这一中心完成教学任务,在全部教学活动中贯彻“以学生为中心”的教学思想的各种策略。     

从"以学习为中心"看高校双语教学课堂模式

传统教学是“以教师为中心”,后来人本主义提出以“以学生为中心”,如今建构主义提出“以学习为中心”。所谓以学习为中心,就是强调“学为目的”这一理念。本文旨在用“以学习为中心”这一教学理念去分析当今高等学校的双语课堂教学,发现如今的高校双语教学课堂模式需要进一步的完善,必须强调以学生的学习为中心,从而获取更好的学习效果。     

浅论如何在语文教学中实践教学民主思想

新的语文课程标准所确立的新课程改革的核心思想是为了每一个学生的发展。要真正在语文教学中实现这一核心思想,最重要的就是首先要在教学思想上真正推行教学民主。如何在语文教学中实践教学民主思想,我在体会是要从树立以下“三观”入手,来实践教学民主思想,进而实现“为了每一个学生的发展”。一、以学生为本,树立“为了学生一切”的育人观我们的语文教学,曾经历了“知识本位”“智力本位”的过程。语文教学的重点也相应表现在以知识为中心,课本为中心,课堂为中心,以“开发学生智力、教给学生语文学习的各科技能、技巧为中心”。以此相应…     

直接教学模式在农村初中教学中的应用研究

直接教学模式是以教师为中心的教学,在“先学后教”教学实践基础上,综合这两类教学模式的优点,渗透新课程,以学生为主体理念改进直接教学模式,在农村中学教学中很有价值.在学生的自学能力不足、控制能力差时,采用直接教学模式可以取得更好的教学效果.教学由教师中心向学生中心转化亦符合多数农村中学实际.该模式分成四个阶段进行,一是引入与复习,二是讲述,三是有指导的练习,四是独立练习.在教学过程中,必须贯彻三个要点：以问题和情境再现知识;教学中充分互动与引导;进行有效的练习与反馈.     

教学做合一，提高数学教学实效性

“教学做合一”源自中国教育学家陶行知的教学理论,以“做”为中心,“做”中激趣,“做”中巩固,“做”中培养学生能力,才能提高数学教学的实效性。     

中学语文教学随想

现在语文教学存在着许多弊端，这种弊端主要表现在只着眼于“应试”。教育改革就是要使教育走出应试教育的误区，完成由以书本为中心、以课堂为中心，以教师为中心向以直接经验为中心、以活动为中心、以学生为中心的转变，以及由培养经验型人才向培养创造型人才的转变。有感于此，笔者认为中学语文教学中应力避“应试”痕迹，多从以下方面下功夫，渗透素质教育。     

任务型教学在高职英语课堂教学中的应用

传统的“以教师为中心”的讲解式教学法不断受到批评,以“学生为中心”的任务型教学是目前非常有效的教学途径。本文通过分析任务型教学探讨其在高职英语教学中如何更好地培养学生语言综合技能。并阐述了笔者在任务型教学中任务设计的教学实践和体会。     

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.     

橡胶颗粒沥青混合料低温抗裂性试验研究

以AC-13级配为基础,将橡胶颗粒代替部分集料掺入混合料中,以低温弯曲试验为评价方法对不同橡胶颗粒掺量下沥青混合料的低温抗裂性进行研究,并引入应变能密度值对混合料的低温抗裂性进行综合评价.试验结果表明:橡胶颗粒沥青混合料试件的破坏微应变均超过2 300,满足冬寒区的技术指标;无论是否掺加橡胶颗粒,随着温度的下降,沥青混合料破坏时的最大弯拉强度增大,弯拉应变降低,劲度模量增大;弯曲应变能密度在胶粒掺量为1%左右时具有较大的弯曲应变能密度值,此时橡胶颗粒沥青混合料具有较好的低温抗裂性.     

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-