English
全部
搜索
图片
视频
地图
资讯
Copilot
更多
购物
航班
旅游
笔记本
Top stories
Sports
U.S.
Local
World
Science
Technology
Entertainment
Business
More
Politics
过去 30 天
时间不限
过去 1 小时
过去 24 小时
过去 7 天
最佳匹配
最新
搜狐
29 天
折点加氯消毒实验装置,UASB厌氧发酵柱实验装置
经过混凝、沉淀或澄清、过滤等水质净化过程,水中大部分悬浮物质已被去除,但是还有一定数量的微生物,包括对人体有害的病原菌仍在水中,常采用消毒方法来杀死这些致病微生物。 水的消毒方法有很多,目前采用较多的是氯消毒法。本实验针对水中有细菌 ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果
今日热点
FBI fugitive arrested
Signs US joint venture deal
Pulls 'Board of Peace' invite
US teen Jovic upsets Paolini
Kidney disease diagnosis
Five arrested in shooting
Asks judge to toss lawsuit
FBI investigating death
Colorectal cancer deaths rise
Mortgage rate rises
Former Eagles DT dies
France intercepts oil tanker
Hired as Ravens head coach
Launches FL Senate bid
To run for Minnesota gov.
Ian Roberts pleads guilty
Plans more job cuts?
Signs Washington Spirit deal
Game draws 30.1M viewers
Set for first trilateral talks
Cleaning solution recalled
To testify at Senate hearing
Mexico arrests ‘El Botox’
Vance visits Minneapolis
Texas sheriff indicted
Enters transfer portal
Takeaways from testimony
Halts fetal tissue research
House OKs spending bills
Pentagon contractor indicted
Japan PM dissolves parliament
US completes withdrawal
Winter storm warnings
反馈