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一、食品的安全性是研究分析食品中可能存在的有害或有毒物质对人的影响,分析食品原料及产品生产,贮藏及加工过程中人为导致的 污染和有害物质的产生,食品添加剂等对人的潜在危害
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本手册的出版得到了美国疾病控制与预防中心(CDC, Atlanta,GA,a)第U50/CCU012445-08号资助 合作协议的支持。本手册的内容概由作者负责,不代表CDC的官方意见 世界卫生组织2004 版权所有
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第1节 概述 1.1 生物电磁学的定义 1.2 生物电磁学的研究范围 1.3 生物电磁现象 第2节 生物电现象 2.1 心电图(重点) 2.2 脑电图 2.3 肌电图 2.4 其他生物电及多道生理记录仪 第3节 电磁波的医学应用 3.1 电磁波 3.2 微波的生物学效应 3.3 毫米波的生物学效应 3.4 红外线的生物学效应 3.5 激光的生物学效应 第4节 生物磁现象 4.1 生物磁场的来源 4.2 生物磁场检测特点 4.3 生物磁测量 4.4 磁场的生物学效应 第5节 电磁辐射的安全性 5.1 生物电磁剂量学 5.2 电磁辐射的安全标准
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动植物检验检疫是食品质量与安全专业的一门专业选修课。它是以生物学、化学保护等 为基础,融合了法律的内容。它属于国家或地区农业安全生产、国民经济发展、为保障人们 生活及生命需要服务的学科领域。学习本课程的主要任务是掌握动植物检疫病害的识别、鉴 定、和处理技术。本课程系统介绍国家颁布的出入境检疫法规,病原真菌、细菌、病毒、线 虫等检验技术,检疫病虫的特征
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教学目标: • 1、了解骨骼的功能、力杠杆、关节的作用、肌肉的力学特性; • 2、知道手和脚的作用力的特点、人的作业姿势与操纵力的关系以及其对安全生产的影响; 教学内容: 一、人体生物力学的一般知识 二、人体各部分的操纵力 三、人体活动的速度和准确度
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A basic knowledge of disinfection and sterilization is crucial for biosafety in the laboratory. Since heavily soiled items cannot promptly be disinfected or sterilized, it is equally important to understand the fundamentals of cleaning prior to disinfection (precleaning). In this regard, the following general principles apply to all known classes of microbial pathogens
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As aerosols are important sources of infection, care should be taken to reduce the extent of their formation and dispersion Hazardous aerosols can be generated by many laboratory operations, e.g. blending, mixing, grinding, shaking, stirring, sonicating and centrifuging of infectious materials. Even when safe equipment is used, it is best to carry out these operations in an approved biological safety cabinet whenever possible
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The Laboratory biosafety manual has in the past focused on traditional biosafety guidance for laboratories. The manual emphasizes the use of good microbiological work practices, appropriate containment equipment, proper facility design, operation and maintenance, and administrative considerations to minimize the risk of worker injury or illness. In following these recommendations, the risk to the environment and surrounding community-at-large is also minimized
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Chapter 6. Laboratory animal facilities Those who use animals for experimental and diagnostic purposes have a moral obligation to take every care to avoid causing them unnecessary pain or suffering. The animals must be provided with comfortable, hygienic housing and adequate wholesome food and water At the end of the experiment they must be dealt with in a humane manner
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Brucellosis is an infectious disease caused by the bacteria of the genus Brucella These bacteria are primarily passed among animals, and they cause disease in many different vertebrates Various Brucella species affect sheep, goats, cattle, deer, elk, pigs, dogs, and several other animals Humans become infected by coming in contact witl animals or animal products that are contaminated with these bacteria
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