[名词解释] 涂布平板法(spread plate method)
[单选题]下面哪一项不属于稀释倒平板法的缺点?()A .菌落有时分布不够均匀B .热敏感菌易被烫死C .严格好氧菌因被固定在培养基中生长受到影响D .环境温度低时不易操作
[主观题]意愿支付法(Willingnesstopaymethod)
[名词解释] 土壤富集法 soil enrichment method
[问答题] 试述稀释平板计数的基本方法。
[单选题,B1型题] 琼脂稀释法在接种后的平板孵育多长时间时观察结果()A . 4~6小时B . 16~18小时C . 18~24小时D . 20~24小时E . 24小时整
[名词解释] 实地(Solid plate)
[问答题] 简答稀释平板分离法使用过程中的应注意几个问题。
[单选题]放射性核素稀释法主要类型有A.倍比稀释法B.化学稀释法C.反稀释法和正稀释法D.水稀释法E.溶液稀释法
[单选题]is a method used in Critical Path Methodology for constructing a project schedule network diagram that uses boxes or rectangles, referred to as nodes, to represent activities and connects them with arrows that show the logical relationships that exis