高职高专模具专业主干课程的教学改革与实践

主要介绍了模具设计与制造专业主干专业课模具制造技术课程体系的教学改革措施及其实施,通过教改优化了教学内容和教学方法,改善了教学效果,提高了学生的应用能力,为突出高专办学特色,提高人才培养质量做出了有益探索,并指出了教改的创新点与尚存的问题.     

高职高专模具专业主干课程的教学改革与实践

主要介绍了模具设计与制造专业主干专业课模具制造技术课程体系的教学改革措施及其实施,通过教改优化了教学内容和教学方法,改善了教学效果,提高了学生的应用能力,为突出高专办学特色,提高人才培养质量做出了有益探索,并指出了教改的创新点与尚存的问题.     

机械设计与制造专业的教改思考与实践

阐述了机械设计与制造专业用计算机教学贯穿整个教学计划的教改思路,总结了教改特点,分析了教学研究和毕业设计在教改中的地位,并指出教改的关键是教师。     

《模具制造技术》一体化课程教学实践与探讨

技工院校要提高教学质量,提升学生的职业能力,为学生职业生涯打下坚实基础,培养企业急需人才,必须进行一体化课程教学改革,冲破传统职业教育的束缚。从教改理念更新,教学标准创新,教改教材开发,教学场景创设到评价体系的建立进行系统的改革。本文从技工院校模具专业《模具制造技术》这门核心课程着手,进行一体化教学的实践,初步取得良好效果。     

职校数控加工课程一体化教学的实践与思考

教改是提高教学质量的法宝。如何进行教改呢?本文通过介绍作者的多年实践探索,给同行推荐一种教改模式——"一体化"教学模式,尽管不是作者的专利,但是可以与大家一起分享实施过程中的成功与困惑。     

从编辑视角谈提高教学改革课题研究水平--以新疆四所高校为例

通过对新疆四所高校教改课题立项情况及四所高校学报刊登教学改革论文情况分析,发现各高校都加大了对教改课题的立项和经费资助力度,但高校学报刊登教改研究论文的数量却呈下降趋势,其主要是因为教改研究论文质量不高引起的。为了提高教学改革课题研究水平,应做好教改课题立项工作,加强教改课题过程管理,高标准严要求结题工作,加强对教改研究人员的培训,保证教改课题研究质量。     

助理模具工程师应用性人才能力培养的探讨

应用型高技能是高职高专院校人才培养的目标。结合社会对人才的要求,提出了培养助理模具工程师为目标的教改理念,并为我校模具专业学生能力培养提出具体的助理模具工程师标准,在本校模具专业进行了教改实践。结果表明采用设计、制造和装配一条龙的实践教学过程,能够使培养的学生的能力达到助理工程师标准。     

培养学生阅读能力是数学素质教育的重要内容

本文就当前中学数学教改中提高学生数学素质教育问题，提出应重视培养学生阅读能力问题，文中对培养学生阅读数学书籍习惯、方法，提高学生数学语言表述能力，以及与之有关的高考内容诸问题进行了深入的论述，供热心教改的教师与家长参考．     

高校教改立项课题成果推广应用的对策研究

高校教改立项课题成果的价值是通过其得以推广应用而体现出来的。当前,教改成果本身不能推广、教改成果受体不愿推广、成果管理部门不知推广等现象的存在,严重制约了高校教改立项课题成果的推广应用。为此,提出转变思想观念、创新管理模式、强化政策导向、加大经费投入等提高教改立项课题成果推广应用的对策。     

建设新型教学模式,提高课程教学质量

结合获2005年广西高等教育自治区级教学成果三等奖的教改项目,介绍了电工电子系列课程远程网络教学系统的建设以及远程教学与课堂教学有机结合的新型教学模式实践,为电工电子系列课程教学质量的提高提供了一条行之有效的教改新路.并阐述了笔者在建设"电工电子学"课程新型教学模式中的认识与思考.     

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.     

Characterization of Ordovician carbonate reservoirs, southeastern Saskatchewan, Canada

The discovery of the prolific Ordovician Red River reservoirs in 1995 in southeastern Saskatchewan was the catalyst for extensive exploration activity which resulted in the discovery of more than 15 new Red River pools. The best yields of Red River production to date have been from dolomite reservoirs. Understanding the processes of dolomitization is, therefore, crucial for the prediction of the connectivity, spatial distribution and heterogeneity of dolomite reservoirs.The Red River reservoirs in the Midale area consist of 3～4 thin dolomitized zones, with a total thickness of about 20 m, which occur at the top of the Yeoman Formation. Two types of replacement dolomite were recognized in the Red River reservoir: dolomitized burrow infills and dolomitized host matrix. The spatial distribution of dolomite suggests that burrowing organisms played an important role in facilitating the fluid flow in the backfilled sediments. This resulted in penecontemporaneous dolomitization of burrow infills by normal seawater. The dolomite in the host matrix is interpreted as having occurred at shallow burial by evaporitic seawater during precipitation of Lake Almar anhydrite that immediately overlies the Yeoman Formation. However, the low δ18O values of dolomited burrow infills (-5.9‰～ -7.8‰, PDB) and matrix dolomites (-6.6‰～ -8.1‰, avg. -7.4‰ PDB) compared to the estimated values for the late Ordovician marine dolomite could be attributed to modification and alteration of dolomite at higher temperatures during deeper burial, which could also be responsible for its 87Sr/86Sr ratios (0.7084～0.7088) that are higher than suggested for the late Ordovician seawaters (0.7078～0.7080). The trace amounts of saddle dolomite cement in the Red River carbonates are probably related to "cannibalization" of earlier replacement dolomite during the chemical compaction.     

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.     

A computer generator for randomly layered structures

AcomputergeneratorforrandomlylayeredstructuresYUJia shun1,2,HEZhen hua2(1.TheInstituteofGeologicalandNuclearSciences,NewZealand;2.StateKeyLaboratoryofOilandGasReservoirGeologyandExploitation,ChengduUniversityofTechnology,China)Abstract:Analgorithmisintrod…     

An Index mechanism for multi-scale view in spatial databases

There are numerous geometric objects stored in the spatial databases. An importance function in a spatial database is that users can browse the geometric objects as a map efficiently. Thus the spatial database should display the geometric objects users concern about swiftly onto the display window. This process includes two operations:retrieve data from database and then draw them onto screen. Accordingly, to improve the efficiency, we should try to reduce time of both retrieving object and displaying them. The former can be achieved with the aid of spatial index such as R-tree, the latter require to simplify the objects. Simplification means that objects are shown with sufficient but not with unnecessary detail which depend on the scale of browse. So the major problem is how to retrieve data at different detail level efficiently. This paper introduces the implementation of a multi-scale index in the spatial database SISP (Spatial Information Shared Platform) which is generalized from R-tree. The difference between the generalization and the R-tree lies on two facets: One is that every node and geometric object in the generalization is assigned with a importance value which denote the importance of them, and every vertex in the objects are assigned with a importance value,too. The importance value can be use to decide which data should be retrieve from disk in a query. The other difference is that geometric objects in the generalization are divided into one or more sub-blocks, and vertexes are total ordered by their importance value. With the help of the generalized R-tree, one can easily retrieve data at different detail levels.Some experiments are performed on real-life data to evaluate the performance of solutions that separately use normal spatial index and multi-scale spatial index. The results show that the solution using multi-scale index in SISP is satisfying.     

Jane Eyre——A Feminist In The 19th Century

In the 19th century the society was controlled by men, and women were just appendants of them, they had not any rights and freedom. But Jane was an exception, she showed some characteristics of early feminist. Jane showed her characteristics of feminism in three aspects: rebellion, equality, and independence. These characteristics were helpful to her success, and feminism is the only way out for women of that time.     

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-