基于贪心算法和近距离搜索法的实验室仪器预约研究

为推进科学仪器实验室的开放运行、提高仪器利用率,提出了基于贪心算法和近距离搜索法的实验室仪器预约算法,并研发了实验室仪器开放运行管理系统,具备科学仪器工作状态监控、上机预约、收费管理、网上送样预约、仪器操作培训、等功能,实现了科学仪器实验室无人值守全天候开放运行。系统测试结果表明,在吉林大学化学学院实验室和超分子结构与材料国家重点实验室得到应用,并且大大降低了实验室仪器的预约出错率。     

混合渠道分销企业动态库存及分配策略

基于企业实时库存状态提出动态库存分配方式及在线需求分配原则,建立动态分配双目标优化模型,采用基于精英重组的混合多目标进化算法求解模型,并在此基础上提出基于双目标优化的仿真方法.算法实现了各时刻满足各地在线需求的期望总边际成本与时间满意度协同最优,并通过系统总成本最优得到最优的配送中心库存水平,最后通过数据集仿真及算法对比证明了动态库存及分配策略的优越性.     

某公路滑坡的稳定性分析及防治

公路滑坡治理对保护人民的生命财产、保证交通畅通具有重要意义,目前治理公路高陡边坡的措施有SNS柔性防护技术、喷锚网支护技术、抗滑桩墙体系等。而抗滑桩工程则由于抗滑桩具有适应性强、特别适用于滑面较深的大型滑坡,因有滑坡稳定性和地质环境干扰小、可多桩同时施工、工期较短、抗滑能力强等多方面的突出优点成为滑坡地质灾害治理中一种主要的方法。本文将介绍某公路滑坡的治理经验,阐述了滑坡的形成原因,重点分析了滑坡的地质情况,提出了”抗滑桩＋削坡＋锚杆支护＋挡土墙＋截、排水工程”的滑坡体综合治理方案。     

Influence of occupational socialization on beginning teachers’ interpretation and delivery of sport education

The purpose of this study was to determine the extent to which newly qualified teachers employed the Sport Education (SE) model. In addition, we attempted to discover factors that led to and facilitated beginning teachers employing the model and those that did not. Participants were six American and four British beginning teachers. Data were collected by formally interviewing each teacher. Analysis procedures employed were analytic induction and constant comparison. Occupational socialization was the theoretical framework that guided data collection and analysis procedures. The results indicated that teachers interpreted and delivered SE in one of three different ways: full version, watered down version and cafeteria style. Moreover, the teachers’ acculturation, professional socialization and organizational socialization largely explained why teachers interpreted and delivered SE as they did.     

Comparison of force-related performance indicators between heavyweight and lightweight rowers

The aim of this study was to examine biomechanical variables relating to the force production of men's Lightweight (LW) and Heavyweight (HW) rowing pairs. Seven HW and seven LW coxless pairs were studied under a range of stroke rates, from 20 spm to race rating (average of 33.7 spm for the HWs and 33.9 spm for the LWs). Each crew was equipped with biomechanical apparatus allowing the measurement of gate force, horizontal oar angle, and boat velocity. The HW crews exhibited significantly higher (p < 0.05) values for all variables examined, at all rates. Peak handle force was 26.2% to 30.2% higher in the HW group. Average handle force ranged from 18.7% to 22.1% higher than the LW group. Work per stroke was found to be 26% to 28% higher for the HW crews, and Power Per Kilogram was also greater for the HW crews, from 24.0% to 29.2%. The LWs were observed to be consistently, but not significantly, slower than the HWs (from 96.9% at the race situation, to 98.7% at 28 spm). These observations are important when considering biomechanical performance indicators in rowing, as significant changes in performance indicators may lead to only minimal alteration in boat velocity.     

城市居民家庭体育开展现状的调查及对策研究

家庭体育主要是以家庭为单位,进行多种形式的体育锻炼活动,具有形式灵活性、内容多样性等特征,因此深受广大人民群众的喜爱。文章在调查研究的基础上对合肥城市家庭体育活动方式的现状进行调查研究,详细分析当前合肥市家庭体育活动方式上的不足,并提出相应的对策建议,以期能够有效促进我国家庭体育活动的开展。     

形状记忆合金智能混凝土结构研究进展

形状记忆合金作为一种智能材料,不仅在机械电子、生物医疗、航空航天领域得到了越来越多的应用,而且在土木工程的研究与应用方兴未艾。目前,形状记忆合金在土木工程领域的研究主要集中在混凝土梁的自检测、自修复,混凝土柱的抗震与加固处理,混凝土结构的阻尼抗震等方向。本文简述了形状记忆合金的发展过程及主要特性;分别介绍了利用形状记忆合金的形状记忆效应特性和超弹性特性制成的形状记忆合金智能混凝土构件或结构的研究与应用进展;指出了影响形状记忆合金智能混凝土结构发展的因素及今后的发展方向。     

Bloch型空间到其他空间上的广义Cesàro算子的本性模(英文)

H(B)表示单位球上B的全纯函数类.对p>0,单位球上的Bloch型空间用Bp表示.对给定的g∈H(B),我们给出了广义Cesàro算子Tg在不同Bloch型空间上本性模的等价条件.     

宁波大学青年志愿者服务的现状与策略

目前,青年志愿者是社会的重要组成部分,在各项社会活动中都发挥着重要作用。宁波大学在青年志愿者工作方面投入了很大精力,出台了各项规章制度将其规范化,并进行有效化管理。通过对宁波大学青年志愿服务现状进行各项调研,包括问卷、走访,在了解现状的同时,分析其存在问题,进而提出解决宁波大学青志服务中前期准备、活动过程及活动反馈等三部分问题的方案。