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旋毛虫形态 一、成虫形态 1 线形 2 一体小,体长1.5-4mm 3 虫体前端咽管约占虫体的13-1/2 4 雌虫的阴门位于体前13处
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一、吸虫概论 二、华支睾吸虫 三、布氏姜片吸虫
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刚地弓形虫 一、终宿主:猫科动物 二、中间宿主:人、哺乳动物、鸟类、鱼类、爬行类
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一、实验内容: 二、似蚓蛔线虫(蛔虫) 三、毛首鞭形线虫(鞭虫) 四、蠕形住肠线虫(蛲虫) 五、生物制图要求
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(一)目的要求: 1.掌握虫卵的外形特征。 2.了解成虫的外部形态和内部结构。 3.观察虫卵所致的肉芽肿,了解日本血吸虫的主要治病机理。 4.了解毛蚴孵化法和环卵沉淀法。 5.认识中间宿主
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Categories of Respiratory Viruses Orthomyxoviridae: Influenza virus Paramyxoviridae: Parainfluenza virus, Mumps virus; Measles, Respiratory syneytical virus Togaviridae: Rubella virus Coronaviridae: corona irus, sars virus Adenoviridae: human Adenovirus picornaviridae: Rhino virus;
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Language as an interface Human intelligence discovered a way of perpetuating itself, one not only more durable and more resistant than architecture. but also simpler and easier. Victor hugo
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Persons freedom to communicate, and their ability to do so effectively, has long been recognized as a crucial component of a society that respects human dignity and provides the conditions for humans to flourish. Government actions that suppress persons'speech and other forms of communication have been rightly subject to scrutiny and challenge Governments have also recognized the importance of affirmative steps to enhance persons opportunities for communications, such steps include improving education and supporting public forums. Communication is not only a personal and political good
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Objectives of Water Treatment The objectives for water treatment derive from two concerns Human health and welfare The health of aquatic ecosystems
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the role of forests ependable freshwater supplies and the Technologies exist to deal with water scarcity, ability to cope with the extremes of toolittle and to some extent with the effed cts of or too much water are requisites for sustainable hydrometeorological extremes (Brooks et al, human dev ater 1997). If they are to be turned into solutions, scarcity issued at the end of the twentieth century several constraints must be overcome, including
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