摘要：Both the academic society and the industry are hunting for new energy forms for the ***,the world should not forget the conventional technologies that contribute to the sustainable society by technical *** them,lubrication plays a significant role in energy saving and in low CO2emission by increasing the fuel efficiency and by prolonging the service life of *** the advance of novel synthetic approaches,and nanoscience and technologies,novel lubrication oils and additives and their formulations are being developed to reduce friction and wear,and novel surface treatment routes and surface coatings are invented and provide more efficient *** technologies create tremendous chances for machines to work more efficiently with low energy *** we review the recent progresses and challenges associated with some novel lubrication techniques that include novel surface treatment(such as texturing,high-performance nanocomposite coatings,adapting coating),tribology design(solid and liquid lubrication),energy-conserving engine oil and novel lubricants and formula(such as ionic liquids,low S,P content additives)which are to be adopted to enhance the fuel efficiency to achieve energy saving and low carbon *** is increased demand to replace fossil lubricants by degradable green *** designed coatings can reduce drag significantly during navigation of both airplanes and *** these aspects will be also reviewed in the paper.

摘要：为了改善旋转导向管喷动床环隙区的干燥性能,提出了附带支管的旋转导向管喷动床的新设计方案,采用油菜籽为原料,研究此新型喷动床的干燥性能。分别以单位质量水的热耗值、油菜籽的最高温度和干燥过程中油菜籽在喷动床柱体中的平均温度为试验指标,对支管式旋转导向管喷动床按L16(45)正交试验设计方法进行了风温、风量、导喷距及支管孔开放率4因素4水平的正交试验,得到以单位质量水热耗值为指标的最优干燥工艺为:风温130.0℃、标态风量为58.0m3/h、导喷距75.0mm、开孔支管的孔开放率67%,最优工艺下单位质量水分热耗值为2736.8kJ/kg,比不带支管的旋转导向管喷动床的最优值3941.4kJ/kg低,说明支管的引入能够降低干燥热耗,可考虑用于放大柱锥形喷动床。

摘要：为快速得出符合顾客体型的服装样板,以男西裤为基准样板,腰围和臀围部位的变更规则为研究对像,格柏CAD为技术开发平台,依据大量人体数据对样板原有的变更规则进行优化和重建,采用BP神经网络算法建立了人体腰围、臀围尺寸变化量与相应的变更规则之间的神经网络模型。直接采用数据与数据的匹配归档,最终实现男西裤腰腹部和臀部变更规则的参数化设计,即给定一个腰围、臀围的变化量就得到一个相应的变更规则,通过调用此变更规则就会自动得出符合这个尺寸的样片,初步实现一人一板,提高了服装的合体度,减少了对样板师的依赖性。

摘要：The slippery liquid-infused porous surface(s)(SLIPS)that imitates the Nepenthes pitcher plant has proven to be highly versatile and can be combined with various surface characteristics such as dynamic response,antifouling,selective adhesion,and optical/mechanical *** addition,the introduction of a lubricating fluid layer also gives it extremely low contact angle hysteresis and self-repairing properties,which further expands its application ***,SLIPS has been proven to be suitable for many frontier fields such as aerospace,communications,biomedicine,and microfluidic *** this review,we explain the theoretical background of SLIPS and the preparation methods currently available,including the choice of substrate materials and lubricants,and we discuss the design parameters of the liquid injection surface and how to deal with the consumption of lubricants in practical *** addition,the paper focuses on current and potential applications,such as preventing pathogen contamination of and blood adhesion of medical equipment,manipulation of tiny droplets,and directional transportation of ***,some weaknesses that appear when SLIPS is used in these applications are pointed out,which provides a new perspective for the development of SLIPS in the future.

摘要：为了整合集团化组织内部数量繁多的信息系统,需要实现用户数据(包括组织结构和人员数据)的共享,针对此目标,提出了一套技术方案,在集团组织分支内建立多个用户数据分中心,并使用复合的Web Service接口传送数据。该技术方案已经在生产实践中得到了实施,实现了集团化组织内的用户数据的同步和分发。实施结果表明,该技术方案能够保证在集团组织内可靠、完整和实时地共享用户数据。

摘要：设计合成了具有较长发射波长的苯并香豆素醛——8-二乙氨基-2-氧-2H-苯并[h]香豆素醛(BCA),通过吸收和荧光光谱研究其在不同溶剂中的光物理性质。结果表明,BCA具有明显的溶致变色效应和宽的颜色变化范围。随着溶剂极性的增加,其荧光发射可从蓝绿光变到红光,而荧光量子效率则从0.98减小到0.26。

摘要：针对具有输入幅值约束的输入时滞机械系统,研究基于有向图拓扑的多智能体系统(multi-agent system,MAS)的一致性控制问题。对于只有部分智能体能够接收到理想信号的情况,提出一种观测器,使每个智能体都能观测到理想信号,并证明观测误差的指数收敛性。在控制器设计中,通过将系统的输入积分反馈到控制器中,消除输入延迟的影响;结合输入积分法和双曲正切函数,在解决输入延迟问题的同时限制控制输入幅值,并利用FMINCON函数优化控制参数。最后,利用李雅普诺夫方法证明控制目标的实现和闭环系统的渐近稳定性。仿真结果表明,所提出的观测器和控制器能够有效实现系统的一致性控制。

摘要：在既有高速环道理论基础上对高速环道几何线形设计进行了深入研究,提出了多平衡车速设计理论,使得车速分布更加合理,更接近车辆实际运行状态。

摘要：为得到在直径和高度方向上可放大的煤和生物质共喷动气化设备,设计了旋转导向管喷动床气化设备,在气化前必须揭示煤与生物质(如稻秸)在此设备中的共喷性能。得到了床层压降与表观风速关系曲线,同时研究了煤稻秸粒混合比例、喷口直径和导向管喷口间距3个因素对床层压降与表观风速关系曲线和物料循环速率与风速关系曲线的影响。进行了3因素12水平的均匀设计试验,经回归分析,均以稻秸煤混合比例、导向管喷口间距及喷口直径为自变量,得到了3个方程,分别是循环速率方程、单位床高压降方程及单位有效功率的物料循环速率方程。旋转导向管喷动床可用于煤和生物质稻秸的冷态共喷动,共喷动性能可预测,为后继气化试验提供了依据。

摘要：针对核电厂严重事故后丧失内外电源的工况,提出了通过提取乏燃料水池(简称乏池)余热进行发电以实现乏池长期自安全冷却的方案。通过基于乏池余热的热力过程分析、工质选择、关键设备热力分析、系统方案设计研究,探讨了严重事故后利用乏池余热实现乏池长期自安全冷却的可行性。研究表明,根据核电厂严重事故后的工况环境以及系统输出功率,可采用上原循环或国海循环来建设乏池余热自发电系统。对于在役堆型和新堆型,该系统均可保证实现乏池余热的持续排出,满足乏池温度低于80℃的要求,从而实现乏池的自安全冷却。