瀑布模型在毕业设计中的应用

软件工程是一门综合性的学科,重点从软件开发技术和软件工程管理两个方面对软件的开发和维护进行研究。而毕业设计是学生在校期间最后一个重要的综合性实践教学环节,是实现培养目标、培养学生专业工作能力、提高学生综合素质的重要手段。所以应结合毕业设计对学生进行软件工程思想和能力的培养。     

裂缝性低渗油藏周期注水与渗吸效应实验

结合长岩心周期注水实验与不同压降条件下的渗吸实验,得出了渗吸效应在周期注水中所起的作用,进行了不同周期下的周期注水实验、无压降条件下的静态渗吸实验、不同压力及压降幅度下的动态渗吸实验,并将三者进行了对比.研究结果表明,周期注水在裂缝性低渗透油藏的开采中效果明显;低渗透基质油藏中毛管力具有较强作用;压力波动幅度对渗吸效应的影响呈先减小后增大的趋势,综合低渗透油藏中较强的压敏性,得出周期间歇性注水实验过程中,压力波动幅度较低才能获得较高采收率.     

丘东凝析气田开发规律研究

目的研究丘陵凝析气田生产开发时的产量变化规律。方法通过对动态生产数据进行拟和分析。结果气藏压力变化同时受采出程度和气藏特性控制;气田自然产能低,但压裂增产幅度大;稳产递减阶段产量下降呈指数规律变化;气田衰竭式开发时,随着压力下降,气油比上升,凝析油产量下降。结论气田实际动态储量与容积法计算储量存在较大差异。     

VB编程中网格控件的选用及使用方法

微软公司的面对对象的程序开发软件VB(Visual Basic)日益成为当前所流行的主流开发工具。作为其显著的特色之一,VB所提供的网格类控件,在实际的数据库管理系统的开发过程中具有很大的实用性和灵活性。本文旨在讨论在使用VB的实际开发过程中,如何有选择的使用VB所提供的网格类控件以及如何方便、简洁的去使用。     

公路企业如何加强人力资源开发

在公路企业的生存与发展过程中,人才资源起了关键性的作用,公路行业如何吸引人才成为公路企业十分重要的问题。本文通过对目前公路企业的人力资源现状分析,重点探讨了人才对公路企业的意义及比较系统地提出了公路人才资源开发的策略。     

From deep basin gas to diagenetic trap—An example from the Yulin Gas Field in the Ordos Basin

In the updip portion of the Yulin Gas Field in the Ordos Basin, there are no any structural, stratigraphic and sedimentary lithologic seals. Using thin-section petrography, ultraviolet fluorescence microscopy, micro-thermometry and Raman microspectrometry, this paper finds out the diagenetic trap and studies the diagenetic history of this field. It was revealed that three phases of diagenesis and hydrocarbon charging happened in late Triassic, late Jurassic and the end of early Cretaceous respectively. In the first two phases, acid geofluid entered the reservoir and caused dissolution and cementation. Although the porosities had been increased, further compaction accompanying re-subsidence resulted in tight sandstone and conglomerates. Till the end of the early Cretaceous, bulk of gas migrated into the tight reservoir. Cementation, however, kept on in the updip portion of this field due to low gas saturation and formed the diagenetic trap. The mechanism for gas accumulation was changed from deep basin gas to diagenetic trap, which offers a sealing condition that can retain gas for much longer time.     

汉中茶树种质资源开发利用探讨

利用现代茶叶科技和生物技术对汉中历史遗留茶树品种资源进行优选利用，使种质资源调查得到重视、保护和传承，并指导我市茶产业向规范化、现代化方向发展。     

我校两项课题通过山东省科技厅成果鉴定

近日，由我校轻工与农业工程学院中德超教授等主持完成的“挤压膨化玉米生产淀粉糖浆工艺、设备研究与开发”和“挤压加酶脱胚玉米和玉米淀粉生产淀粉糖浆的试验研究”两项课题，同时通过了山东省科技厅主持的技术成果鉴定。[第一段]     

Urban Transport and Sustainable Transport Strategies： A Case Study of Karachi, Pakistan

The uncontrolled growth in urbanization and motorization generally contributes to an urban land use and transportation system that is socially, economically, and environmentally unsustainable. This paper uses Karachi as a case study, which is the largest urban and economic centre of Pakistan, passing through an uncontrolled phase of rapid urbanization and motorization. The paper first reviews research related to sustainable transportation systems to comprehend the concept of sustainable development and transporta-tion. The paper then evaluates the existing transportation and infrastructure system, national transportation policies, and urban transportation projects to determine if the current paradigm is moving toward or away from sustainable transportation. Furthermore, the principles for sustainable urban transportation are devel-oped to see what significance national transportation policies have given to urban transportation from a sus-tainable transportation point of view. Finally some strategies are suggested, adoption of which may lead to a sustainable urban development and transportation system in Karachi.     

创出个未来——江苏省华物园科技创新“创”出大效益

江苏省华物园种猪有限公司是沛县民营科技型种猪繁育和商品猪养殖企业。该公司作为苏北最大的养猪企业已跨入了省级“养殖协会五十强企业”，并被推荐申报“国家级生猪活体储备基地场”。该公司与南京农业大学、扬州大学、省农科院等科研院所建立了密切的合作关系，聘请多位专家、教授作技术顾问，提高了科技创新和新产品开发的能力。2000年以来，先后承担国家级星火计划1项，省级星火汁划2项，省示范推广计划1项等，总投入2269万元，增加利润724万元。[第一段]