摘要：We used existing studies on the integration of user experience design and agile methods as a basis to develop a framework for integrating UX and Agile. We performed a field study in an ongoing project of a medium-sized company in order to check if the proposed framework fits in the real world, and how some aspects of the integration of UX and Agile work in a real project. This led us to some conclusions situating contributions from practice to theory and back again. The framework is briefly described in this paper and consists of a set of practices, artifacts, and techniques derived from the literature. By combining theory and practice we were able to confirm some thoughts and identify some gaps—both in the company process and in our proposed framework—and drive our attention to new issues that need to be addressed. We believe that the most important issues in our case study are: UX designers cannot collaborate closely with developers because UX designers are working on multiple projects and that UX designers cannot work up front because they are too busy with too many projects at the same time.

摘要：The purpose of this paper is to determine the optimal size and number of tubes for a generic attenuator that is similar to Pelamis P2, the wave energy converter. Simulations using ANSYS Workbench, Design Modeler, and AQWA are performed to study the energy absorption at the nodes between the tubes. The analysis is limited to linearized hydrodynamic fluid waves loading on floating bodies by employing three-dimensional radiation/diffraction theory in regular waves in the frequency domain. Three sets of tests are conducted by varying total tube number, each tube length and the order of tubes with different lengths. After a systematic study in the frequency domain, the optimal size and number of the genetic attenuator is recommended.

摘要：垦71区块低序级断层组合关系不明、剩余油分布不清、油水关系复杂、储层较薄且多,纵、横向变化大。利用井间地震技术研究了该地区的低序级断层及储层特征。首先根据实施井间地震工区的地质模型建立速度模型,依据设计的观测系统进行正演模拟,模拟的波场反映了井间地震的主要波场特征,反射波成像剖面反映了地质模型的地质特征。基于正演模拟结果对观测系统进行优化,并进行野外采集,获得的实际资料的反射波成像剖面分辨率较高,落实了井间的低序级断层及薄储层。

摘要：结合南水北调中线左岸排水工程宽浅过水断面的预应力混凝土多纵梁渡槽结构设计,拟定了预制纵梁与现浇槽体形成整体的叠合结构方案。采用三维有限元数值计算方法,以全现浇结构为比较对象,分析了叠合结构在正常使用荷载工况下的截面应力和变形状况。结果表明:在自重作用下,叠合结构的纵梁反拱变形较小,底板基本处于无应力状态,利于长期空槽运行;在水荷载作用下,叠合结构与全现浇结构的受力性能基本相当,底板受力性能优于全现浇结构。研究成果可为同类工程设计提供参考。

摘要：焊缝自动跟踪是实现焊接自动化的关键,在传统弧焊机器人系统的基础上设计了一种基于激光传感器的焊缝跟踪子系统,构建了激光传感器的数学模型及机器人手眼标定方法,并针对搭接焊缝的图像特点,提取出焊缝特征点位置坐标.同时设计开发了焊缝跟踪控制算法和机器人焊缝跟踪程序,最后通过对储气罐环形搭接焊缝进行焊接实验,结果证明了该焊缝跟踪系统的有效性和可靠性.

摘要：在径流统计分析的基础上,确定三峡水库汛期分期,并分别研究了两种防洪补偿调度方式下的各分期汛限水位。初步分析结果认为,在满足原设计防洪安全要求的前提下,对荆江河段防洪补偿的调度方式,则三峡水库汛期汛前期汛限水位155 m,主汛期汛限水位维持145 m不变,汛末期水库运行水位为155 m;对兼顾城陵矶地区防洪补偿的调度方式,则汛前期汛限水位151 m,主汛期汛限水位维持145 m不变,汛末期汛限水位为147 m。这样的分期控制汛限水位不仅可以满足防洪要求,而且可以提高洪水资源的利用率。

摘要：在某小缸径柴油机原理样机设计阶段,部件装配试验出现了预紧状态下缸套变形过大现象。为达到设计指标要求,通过有限元分析计算,分别考察了螺栓预紧力大小、螺栓布置位置、缸套壁厚、机体支撑部位刚度对缸套变形的影响,并进行改进设计。分析计算和试验结果均表明,改进后设计方案满足了设计要求。

摘要：随着世界能源危机和环境污染问题的日益严重,人们对汽车节能和减排的要求越来越高,采用储能飞轮进行汽车功率和能量的调节是一种有效的解决办法。近年来高强度的复合材料、低功耗磁轴承、先进的电力电子控制等一系列关键技术的发展,使得飞轮储能系统在汽车上的应用成为可能。详细介绍了飞轮储能系统的结构、原理和特点,总结了飞轮储能技术在汽车上的应用发展现状,指出了车用高速飞轮储能系统的应用存在的关键问题,为进一步研究提供参考。

摘要：贵霜既是古代中亚历史研究的难点之一1,也是热点之一,诸如种族起源、帝位编年、宗教文化、艺术畛域、语言文献等多曾为学术讨论热点2。贵霜琐罗亚斯德教~3神祇因其数量的众多和图像的丰富而成为古代琐罗亚斯德教神祇的重要组成部分。贵霜地处中亚——古代陆上丝绸之路的中段,既是古代琐罗亚斯德教神祇图像的起源地之一,也是古代琐罗亚斯德教神祇图像传播的中转站之一。

摘要：本文采用固相法和真空烧结技术制备了1at%Nd:YAG透明陶瓷,并以此为激光工作物质,设计制作了LD端面抽运小型激光器。当LD抽运功率为2W时,获得最高功率为1mW的532nm连续激光输出。