【2017年整理】四.ppt

第四章??? 作业设计与作业能力;第一节 作业及其分类;1、作业的含义;2、作业中人类的能源属性;二、作业分类;作业分类;三、体力作业及其生理特征;重体力劳动者的生理特征;（一）能量消耗特征;（二）劳动强度分级特征;（三）机体各器官系统的调节和适应特征;（三）机体各器官系统的调节和适应特征;（三）机体各器官系统的调节和适应特征;（三）机体各器官系统的调节和适应特征;（三）机体各器官系统的调节和适应特征;心率与心输出量;血压与血液分配;四、体力劳动的能量消耗机制;Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.;体力劳动时能量消耗来源;（一）人体作业中的能量供应 ;1、ATP—CP系统;2、乳酸能系统;3、需氧系统;Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.;Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.;（二）能量代谢;1、基础代谢;基础代谢;基础代谢;基础代谢量计算举例;2、安静代谢;3、活动代谢;4、相对能量代谢率;计算练习;（三）作业时的氧耗;氧债及其补偿;最大摄氧量的计算;计算允许最大作业负荷时的心跳频率、心脏输出的氧以及室内通风的最低量;基础代谢氧耗量与体表面积的关系;（四）人体能量代谢的测定原理;2、食物的热价;Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.;3、氧热价;4、呼吸商（RQ）; ① 糖的呼吸商推算;②脂肪的呼吸商推算;③蛋白质的呼吸商推算;三种营养物质氧化时的几种数据;5、以氧耗计算相对能量代谢率;（五）人体能量代谢的测定方法;1、直接法;2、间接法;Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.;Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.;Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.;测量耗氧量与CO2排出量的方法;气体代谢的闭合式测定;气体代谢的开放式测定;Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.;Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.;Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.;Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.;间接法计算能量消耗的步骤; 氧化的百分比% 非蛋白呼吸商 糖 脂肪 氧热价·KJ （kcal）;三种营养物质氧化时的几种数据;计算例题1;计算例题