机电式重量配料装置——电子配料秤的研究

概述饲料工业中电子称的结构、特点及设计原理,分析和探讨电子配料称的安装、设计指标。     

休闲体育专业人才培养模式的思考

本文采用文献资料法、问卷调查法、专家访谈法,通过对全国休闲体育专业本科层次的人才培养现状进行全面分析,从"以市场需求为导向"的应用性人才培养方向,提出了新的人才培养定位、课程建设、实践体系建设、师资队伍建设、横向联系机制建设5个方面的思考。     

高校体育文化的含义、功能与价值

高校体育文化研究是高等教育研究的一个重要课题,但纵观诸多研究均未将高校体育文化含义、功能与价值探讨清楚,基本理论问题探讨不清不利于进一步的实践研究。文章参阅大量的文献资料进行综合整理,对高校体育文化的基本问题进行了探讨,并根据上述基本问题的探讨结论初步提出了高校体育文化的发展途径。     

应用显微全息方法对微槽流动中亚微米颗粒的追踪(英文)

Three-dimensional tracking of submicron particles in flows in a micro-channel was carried out using in-line holographic microscopy.A fixed single 0.5 μm fluorescent particle was identified and isolated from dust particles or overlapped particle pair using the laser induced fluorescent(LIF) method.Then in-line microscopic holograms of the fixed single particle were obtained at different positions on the optical axis,i.e.the defocus distances.The holograms of the single particle were used as the model templates with the known defocus distances.The particles in the in-line microscopic holograms of flow in the microchannel were then identified and located to obtain their two-dimensional positions.The defocus distances of those particles were determined by matching each hologram pattern to one of the model templates obtained in the single particle test.Finally the three-dimensional position and velocity of each particle were obtained.     

中等Reynolds数线性剪切泡状流的液相雷诺应力

Analytical investigation of liquid Reynolds stress in shear bubbly flow with intermediate Reynolds numbers is absent. In this paper, the velocity field around a sphere bubble in linear shear liquid is assumed to be the linear superposition of the velocity field of uniform liquid passing a sphere bubble and the linear shear velocity field. The formula of shear liquid Reynolds stress was derived by averaging the velocity field in the cell-ensemble averaging method, and the formula was corrected under conditions of intermediate Reynolds number. The formula was compared with that of Sato, and the predicted results of local liquid velocity of the fully developed upward bubbly flow in pipes were compared with the experimental data. The results show that the formula is valid and accurate in prediction.     

谈谈帧中继与ATM的关系

文章比较了帧中继与ＡＴＭ在技术上的差别，，并在此基础上进一步介绍帧中继与ＡＴＭ网络互连、业务互连的实现方法。     

快堆单个燃料组件完全堵流事故的建模及其验证

为了预测正常功率下快堆单个燃料组件入口完全堵流所导致的事故序列,根据SCARABEE-N系列实验建立了相关的计算模型.冷却剂的沸腾及其两相流动的描述采用两流体模型;包壳的流动、燃料的熔化及其塌陷采用类似SURFASS程序的简单方法处理.对于事故后期形成的UO2-钢混合沸腾池,采用一维半经验模型描述,即:用漂移速度模型来预测空泡份额分布;用修正后的Greene关系式计算沸腾池和壁面之间的传热系数;用焓方法(enthalpy method)求解包裹沸腾池的固化壳的温度场及厚度.为了验证本文建立的模型,对SCARABEE BE 1实验结果进行了校核计算,其结果与实验结果基本吻合.     

结合微电网运行方式的综合能源系统规划方法

通过对现有综合能源系统和微电网规划模型的对比,研究了两者的共性和差异性,总结了其在运行模式、结构模式上的共同点。在此基础上,结合微电网的运行方式,对考虑独立/并网运行、交直流混联以及多因素协同下的综合能源系统规划方法进行了归纳综述,提出了当前综合能源系统研究存在的问题并对其未来研究方向进行了展望。     

豫式创新鸡肴

牡丹菜包鸡 原料：大白菜叶18张、净鸡肉300克，水发香菇、熟火腿、青豆、精盐、料酒、豆豉各10克，胡椒粉5克，味精、鸡精各3克，水淀粉20克，鸡蛋清1个，葱、姜末各少许。     

IFFT频谱相除技术在罗兰C接收机中的应用

罗兰C无线电导航接收机接收带有天波干扰的地波信号，其中天波的到达相对于地波的到达时间有一定的延迟。但是，由于接收机的有限带宽的影响，使得天波干扰的存在严重影响了接收机的性能。应用IFFT频谱相除技术不但能够精确的检测到天波相对于地波的延迟时间、天地波强度之比，同时能够精确的得到地波的到达时间．因此，这种方法不但可以有效的实现天波和地波的分离，而且应用地波到达的精确时间可以实现准确的周期识别，大大减小了周期识别的计算量。