首页 | 本学科首页   官方微博 | 高级检索  
相似文献
 共查询到20条相似文献,搜索用时 46 毫秒
1.
财政部、证监会、审计署、银监会和保监会关于印发《企业内部控制基本规范》的通知(财会[2008]7号),加强和规范了企业的内部控制,提高企业经营管理水平和风险防范能力,促进企业可持续发展,维护社会主义市场经济秩序和社会公众利益。然而,除企业外,国务院部委办和地方政府并没有制定过"行政和事业单位内部控制基本规范"法律规章,然而,科技行政机关和事业单位管理的科技和产业项目的创新成果推进上海社会和经济的发展,其重要性是不言而喻的,本文从科技和产业项目内控管理角度探讨"政府资助科技和产业项目内控管理方法"的一些解决方案,目的是为了更加规范政府行政管理行为,更好地提高政府资金的使用效果。  相似文献   

2.
本文力图从跨世纪的角度来审视制图教学改革,全面论述改革制图课程的指导思想、原则和作法。建立科学化的课程体系,是在调查研究二十一世纪现代工程设计需要的制图的知识和能力的基础上,删去在实际工作中极少使用或根本不用的画法几何理论和方法;选择常用的图解法,加强工程上最必须和常用的体投影、剖视、剖面、零件和装配图等教学内容,实现基本投影和辅助投影相结合,正投影与轴测投影相结合,体投影和截交线、相贯线相结合,手工绘图和计算机绘图相结合,零件图测绘与装配图测绘相结合,使众多的教学内容优化组合,有机地溶为一体,知识和能力结构形成立体交叉式的网络,从而使学生的思路有序而清晰,更好地掌握画图和读囹能力。  相似文献   

3.
汽车悬架支架的结构分析及仿真   总被引:1,自引:0,他引:1  
针对某种卡车悬架支架的载荷作用情况,从静态和动态两方面进行分析处理,评估其力学性能和安全性能.首先,基于UG软件建立悬架支架的参数化模型,导入Ansys中进行分析,两者的Parasolid核心保证了模型的完整和不失真;其次,基于力学原理和数值分析方法对模型进行静力学和动力学分析及仿真,真实再现了悬架支架的工作环境.研究结果表明,此方法明显节约了时间和减少了工作量(尤其对复杂庞大的零部件的建模分析),同时为整车分析和复杂结构的有限元分析提供了必要的参数和依据.  相似文献   

4.
张燕平  王冰 《华东科技》2006,(12):72-74
作为转制科研院所,如何适应新形势,抓住机遇,发挥自身特有的功能和优势,在实现和落实上述目标与任务的过程中,在推动科技创新体系构建和科技创新能力提高方面发挥好主导和引领作用,值得探索和思考。  相似文献   

5.
高等教育在经济社会发展和民族振兴中有着先导性、基础性、全局性的地位,安徽省高等教育紧紧围绕全国、特别是安徽经济建设和社会发展的需求,为安徽乃至全国的经济建设和社会发展做出了积极的贡献。当前安徽处于经济加速发展时期,为适应安徽省经济建设和社会发展的需求,安徽省政府研究室和教育厅组织调研组,深入省部分高校和省直相关部门,  相似文献   

6.
计算机是由硬件和软件合二为一的产品,两者缺一则不可以使用。也可以说,两者之一发生故障也会影响正常使用。所以,对计算机的维护和维修,不但要懂得硬件的知识和技术,而且还要懂得软件的知识和技术。因此,只有掌握硬件和软件的基本知识和技术,才能搞好计算机的维护和维修工作。  相似文献   

7.
《上海理工大学学报》是由上海理工大学主办的综合性自然科学学术期刊,内容以系统科学、动力、机械、光学、计算机和数学的呢过学科的发展趋势、学术动态和研究成果为主,旨在促进学术交流和学科发展,推动我校教学和科研工作,为国家和地方社会建设和经济发展服务。本刊为双月刊,  相似文献   

8.
张春  张芬 《科技信息》2010,(28):51-52
研究性学习是以学生主动参与和积极思考为前提,以开发学生的智力和发展学生的能力为目标,注重教学过程和方法,注重学生的情感、态度、价值观的一种学习方法。在大学政治理论课中引入研究性学习方式,将会打破政治理论课的传统教学模式,给政治理论课带来新的生机和活力,同时也可以培养学生科学的态度和社会责任感,以及他们的合作精神和各种能力,真正提高政治理论课的实效性和感染力。  相似文献   

9.
周永青 《科技资讯》2007,(29):70-70
一些民用建筑的结构和功能更加复杂,建筑物内的用电设备和装置越来越多,对电气防火和节能设计提出了更高的要求.从而,防火和能耗成为民用建筑电气设计中最主要的问题.通过对上述问题的分析,提出了相应防火措施和节能措施,可以在保证安全的情况下,提高能源的利用率和综合效益.  相似文献   

10.
马克思主义创始人在批判继承资产阶级人权理论和人权法律条款的合理内核和优秀成果的基础上,阐明了人权的经济根源、阶级实质和现实意义,创立了科学的人权观.尊重和保护人权,是社会主义的本质要求和优越性的体现,是建设社会主义政治文明的重要任务.与资本主义人权相比,我国社会主义人权具有广泛性、公平性和真实性等显著特点.切实保障人权,对于促进改革开放和社会主义现代化建设,开展国际人权领域的合作与斗争,都会产生巨大的推动作用.  相似文献   

11.
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.  相似文献   

12.
AcomputergeneratorforrandomlylayeredstructuresYUJia shun1,2,HEZhen hua2(1.TheInstituteofGeologicalandNuclearSciences,NewZealand;2.StateKeyLaboratoryofOilandGasReservoirGeologyandExploitation,ChengduUniversityofTechnology,China)Abstract:Analgorithmisintrod…  相似文献   

13.
本文叙述了对海南岛及其毗邻大陆边缘白垩纪到第四纪地层岩石进行古地磁研究的全部工作过程。通过分析岩石中剩余磁矢量的磁偏角及磁倾角的变化,提出海南岛白垩纪以来经历的构造演化模式如下:早期伴随顺时针旋转而向南迁移,后期伴随逆时针转动并向北运移。联系该地区及邻区的地质、地球物理资料,对海南岛上述的构造地体运动提出以下认识:北部湾内早期有一拉张作用,主要是该作用使湾内地壳显著伸长减薄,形成北部湾盆地。从而导致了海南岛的早期构造运动,而海南岛后期的构造运动则主要是受南海海底扩张的影响。海南地体运动规律的阐明对于了解北部湾油气盆地的形成演化有重要的理论和实际意义。  相似文献   

14.
Various applications relevant to the exciton dynamics,such as the organic solar cell,the large-area organic light-emitting diodes and the thermoelectricity,are operating under temperature gradient.The potential abnormal behavior of the exicton dynamics driven by the temperature difference may affect the efficiency and performance of the corresponding devices.In the above situations,the exciton dynamics under temperature difference is mixed with  相似文献   

15.
The elongation method,originally proposed by Imamura was further developed for many years in our group.As a method towards O(N)with high efficiency and high accuracy for any dimensional systems.This treatment designed for one-dimensional(ID)polymers is now available for three-dimensional(3D)systems,but geometry optimization is now possible only for 1D-systems.As an approach toward post-Hartree-Fock,it was also extended to  相似文献   

16.
17.
The explosive growth of the Internet and database applications has driven database to be more scalable and available, and able to support on-line scaling without interrupting service. To support more client's queries without downtime and degrading the response time, more nodes have to be scaled up while the database is running. This paper presents the overview of scalable and available database that satisfies the above characteristics. And we propose a novel on-line scaling method. Our method improves the existing on-line scaling method for fast response time and higher throughputs. Our proposed method reduces unnecessary network use, i.e. , we decrease the number of data copy by reusing the backup data. Also, our on-line scaling operation can be processed parallel by selecting adequate nodes as new node. Our performance study shows that our method results in significant reduction in data copy time.  相似文献   

18.
R-Tree is a good structure for spatial searching. But in this indexing structure,either the sequence of nodes in the same level or sequence of traveling these nodes when queries are made is random. Since the possibility that the object appears in different MBR which have the same parents node is different, if we make the subnode who has the most possibility be traveled first, the time cost will be decreased in most of the cases. In some case, the possibility of a point belong to a rectangle will shows direct proportion with the size of the rectangle. But this conclusion is based on an assumption that the objects are symmetrically distributing in the area and this assumption is not always coming into existence. Now we found a more direct parameter to scale the possibility and made a little change on the structure of R-tree, to increase the possibility of founding the satisfying answer in the front sub trees. We names this structure probability based arranged R-tree (PBAR-tree).  相似文献   

19.
The geographic information service is enabled by the advancements in general Web service technology and the focused efforts of the OGC in defining XML-based Web GIS service. Based on these models, this paper addresses the issue of services chaining,the process of combining or pipelining results from several interoperable GIS Web Services to create a customized solution. This paper presents a mediated chaining architecture in which a specific service takes responsibility for performing the process that describes a service chain. We designed the Spatial Information Process Language (SIPL) for dynamic modeling and describing the service chain, also a prototype of the Spatial Information Process Execution Engine (SIPEE) is implemented for executing processes written in SIPL. Discussion of measures to improve the functionality and performance of such system will be included.  相似文献   

20.
Advances in wireless technologies and positioning technologies and spread of wireless devices, an interest in LBS (Location Based Service) is arising. To provide location based service, tracking data should have been stored in moving object database management system (called MODBMS) with proper policies and managed efficiently. So the methods which acquire the location information at regular time intervals then, store and manage have been studied. In this paper, we suggest tracking data management techniques using topology that is corresponding to the moving path of moving object. In our techniques, we update the MODBMS when moving object arrived at a street intersection or a curved road which is represented as the node in topology and predict the location at past and future with attribute of topology and linear function. In this technique, location data that are corresponding to the node in topology are stored, thus reduce the number of update and amount of data. Also in case predicting the location,because topology are used as well as existing location information, accuracy for prediction is increased than applying linear function or spline function.  相似文献   

设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号