English
全部
图片
搜索
视频
地图
资讯
更多
购物
航班
旅游
酒店
笔记本
Top stories
Sports
U.S.
Local
World
Science
Technology
Entertainment
Business
More
Politics
过去 7 天
时间不限
过去 1 小时
过去 24 小时
过去 30 天
按相关度排序
按时间排序
instrument
5 天
人参土芽胞杆菌的菌株培养与实验内容及保存方法!
这种培养基的化学成分清楚,组成成分精确,重复性强,而且微生物在这类培养基中生长较慢。如高氏一号合成培养基、察氏(Czapek)培养基等。 (2)天然培养基。由天然物质制成,如蒸熟的马铃薯和普通牛肉汤,前者用于培养霉菌,后者用于培养细菌。这类培养基的化学 ...
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
Announces auto tariffs
Appeals court upholds block
Upholds regulations on kits
Scores win in AI dispute
Street renamed in honor
Missing US soldiers killed?
US could face default?
Capital goods orders drop
Atlantic releases full chat
Cause of death revealed
Wins PA Senate seat
Allegedly tries to kill wife
Assigned to Signal chat suit
Countersues Albertsons
Giants sign QB Wilson
Sporadic eruption resumes
To be visible in parts of US
Asks to block teacher grants
Palestinians protest Hamas
Announces tour dates
Senate confirms Makary
SK: Worst ever wildfires
Student taken into custody
Dodgers to visit WH
Bolsonaro to stand trial
Chinese firms blacklisted
KY gov. vetoes abortion bill
First confirmed case in DC
Iowa book ban put on hold
To visit El Salvador prison
Trump pardons Archer
Quits as patron of charity
DA revives death penalty
Launches sports drink
Saldivar up for parole
Child influencer protections
Kenyan officer missing
反馈