摘要：Novel ZrB_(2)-matrix composites were designed and prepared by in-situ introducing SiC and Zr_(2)[Al(Si)]_(4)C_(5) simultaneously for the first *** obtained composites were dense and showed good mechanical properties,especially the strength and toughness,706 MPa and 7.33 MPa·m^(1/2),respectively,coupled with high hardness of 21.3 GPa,and stiffness of 452 *** and Zr_(2)[Al(Si)]_(4)C_(5) constituted a reinforcing system with synergistic effects including grain refinement,grain pull-out as well as crack branching,bridging,and ***,the oxidation results of the composites showed that the oxidation kinetics followed the parabolic law at 1600℃,and the oxidation rate constants increased with the increase of Zr_(2)[Al(Si)]_(4)C_(5) *** formation and evolution model of the oxidation structure was also investigated,and the oxide scale of the composite exhibited a three-layer structure.

摘要：A new series of benzamide derivatives as glucokinase activators （GKAs） were designed and synthesized, and their activation for glucokinase were evaluated by the preliminary glucokinase activity assay. The structure-activity relationship （SAR） is discussed. The result shows that compound 12d and 12h have potent activity reference drug RO-28-1675.

摘要：Collaborative design can create added value in the design and production process by bringing the benefit of team work and cooperation in a concurrent and coordinated manner. However, distributed design knowledge and product data make the design process cumbersome. To facilitate collaborative design, an agent-based intelligent CAD platform is implemented. Intelligent agents are applied to the collaborative design. Adopting the JADE platform as framework, an intelligent collaborative design software (Co-Cad platform for short) is designed. In this platform, every man, design software, management software, equipment and resource is regarded as a single agent, the legacy design can be abstracted to be interaction between agents. Multimedia technology is integrated into Co-Cad platform, communication and identity authentication among collaborative designers from different areas are more convenient. Finally, an instance of collaborative design using Co-Cad platform is presented.

摘要：概算定额和机械定额是施工资源分析和工程概算编制的基础。传统的工序和定额人工绑定,低效繁琐且容易出错。本文在建立定额范式数据库的基础上,采用信息检索和自然语言处理技术,提出施工工序的概算定额智能绑定方法。根据文本关键词语素分解,结合Word2vec词义分析与逆文本频率权重,提出了面向概算定额的正负相关性模糊检索模型;针对概算定额的分级检索特征,提出了概算定额的先验级联检索方法。实验表明,检索模型召回概算定额与施工机械台时费定额精确度分别达到92.29%、97.28%,先验级联检索方法显著缩短设计工时。本方法的应用能为水电工程设计智能化提供支持。

摘要：长距离隧洞常用于穿越复杂地形,利用钻爆和TBM开挖方法联合开挖高原长隧可以充分发挥钻爆法的灵活性和TBM法的高效性,但是增加了工程进度管理的复杂度。考虑高原长隧常面临开挖工期长、地层复杂,气压低、气温低等不利条件,在钻爆法和TBM开挖进度仿真模型研究的基础上,研究开挖工艺切换的工期及其影响,建立钻爆和TBM联合开挖的高原长隧开挖进度仿真模型,并以工期函数和控制流程的形式表达。实例分析结果表明,本模型可以适用长隧施工的支洞和主洞多工作面同时开挖、以及钻爆和TBM联合开挖等复杂施工边界条件。可为高原区引水、公路、铁路等长距离隧洞的开挖进度管理提供支持。

摘要：深部巷道大变形已成为深部煤炭安全高效开采的关键制约因素。为实现深部软弱围岩稳定性控制,提出了基于深部巷道大变形演化过程的分步联合支护方案及其理论分析模型。结果表明,深部软弱围岩呈破裂碎胀变形-损伤扩容变形-连续变形的分布特征。分步联合支护后,围岩极限承载力随锚杆和锚索等效支护力增大呈线性增大趋势,但随注浆修复系数呈指数增大趋势。锚杆和锚索支护设计时应以极限承载力所需的注浆修复系数等于1.0时的等效支护力临界条件为基准。深浅孔注浆支护时须同时考虑注浆修复系数和围岩破裂区半径。不同支护措施的协同支护参数可由破裂修复区围岩极限承载平衡条件确定。数值模拟和工程应用分析表明,分步联合支护可实现深部软弱围岩碎胀大变形控制,具有较高的工程推广应用价值。

摘要：Abstract In this paper we consider a fixed design model in which the observations are subject to left truncation and right censoring. A generalized product-limit estimator for the conditional distribution at a given covariate value is proposed, and an almost sure asymptotic representation of this estimator is established. We also obtain the rate of uniform consistency, weak convergence and a modulus of continuity for this estimator. Applications include trimmed mean and quantile function *** applications demonstrate the usefulness of the new matrix products.

摘要：互联网技术似乎让传统戏曲艺术获得了新生的土壤,然而现实却是,信息时代背景下传统戏曲艺术不仅没有被发扬光大,相反其文本被湮没在互联网的海量信息之中,在与其他文化的竞争中表现出二律背反的尴尬生存境地。研究指出,互联网技术只是传统戏曲在新文化背景下新生的充分条件,而必要条件是激发网民对戏曲及其延伸产品的兴趣。我们一方面需要深入理解互联网技术所带来的革命性变化,以推动传统戏曲的互联网生存;另一方面需要转换文化保护与传承的理念与思路,使传统戏曲在获得静态保护的同时,能够适应社会文化和媒介生态,并激发社会民众的真正需求,进而得到"活"的发展。

摘要：新时期复杂多变的外部环境对大学生思想引领的有效实施提出了严峻的考验,和谐校园文化艺术是大学生思想引领有效实施的重要途径。本文阐述了大学生思想引领的内涵,思想引领和校园文化艺术之间的关系,以及和谐校园文化艺术活动对大学生思想引领的作用。

摘要：从规划设计实践经验来看,发端于欧美的西方城市设计方法在我国城市规划设计实践中得以传承和发展,但在塑造城市风貌特色的过程中,却无法完整地展示中国城市美学的特征。在中国城市营造的传统方法中,士人的山水诗画文化和审美传统对中国城市美学的塑造意义重大,而以视觉感知为主要手段的西方城市设计方法缺少对中国城市美学复杂维度需求的回应,具体包括难以对诗画意境的风貌特色、心游写意的总体结构和五感复合的空间景观3个方面进行表达。通过比较,总结西方城市设计无法完整展示中国城市美学的症结,最后提出对中国式城市设计路径探索的展望。