一、液体输送 1 、离心泵:以高速旋转的叶轮产生的离心力为依据,送液能力大,流量均匀,但压头不大

一、核心问题 水塔多麽高?泵功率?管道粗细几何?

一、期末复习的各种知识类型: 1 课堂讲授内容:重点部分(>95%) 2 了解部分:(<5%): chap第七节;chap2第2、3节;211&2;

一、传热的推动力与阻力

一、学习态度问题 二、工程化特点 1 基础课why?>专业课How? 3 知识与职业技能: learn→> study

传热过程的基本问题 1)载热体用量的确定; (2)设计新的换热器; 解决这些问题需要

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;

Category of sample Blood, Urine, Stool, nasal washing, nasal swab, throat swab, saliva, sputum, rectal swab, vesicle fluid scraping or swab) tissue, brain biopsy, cerebrospinal fluid, et

What does a pathogen have to do? Infect (infest) a host Reproduce(replicate) itself Ensure that its progeny are transmitted to another host

Spirochetes Gram negative Long, thin, helical, motile axial filaments locomotion between peptidoglycan layer/outer membrane runs parallel