搜索优化
English
搜索
Copilot
图片
视频
地图
资讯
购物
更多
航班
旅游
酒店
房地产
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
21food.cn
1 天
硫酸铜生产厂家
是一种无机化合物,通常为五水合硫酸铜(CuSO4·5H2O)的形式存在,为蓝色晶体,俗称蓝矾。该物质在干燥条件下会失去结晶水,变为白色或灰白色粉末状的无水硫酸铜。硫酸铜既是一种重要的化工原料,又是一种普遍应用的杀菌剂。 硫酸铜的性状如下 ...
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
Grateful Dead bassist dies
Voter punches poll worker
Sentenced for Jan. 6 role
Arlington incident report
Jeffries pleads not guilty
Apology for past US policy
Israel strikes back at Iran
NASA astronaut hospitalized
Delta sues CrowdStrike
Dismissal of charge upheld
World's most valuable firm
MS late ballots count ruling
Won't endorse candidates
Gaza peace talks to resume?
Approves Iterum's treatment
DNA tests identify skull
Seeks MI ballot exit
VA voter roll purge blocked
CO ballots to be reexamined
Phones hacked by China?
Announces layoffs, jet sales
E. coli infections rise to 75
SC teen voting glitch
Recalls chicken products
Murder-for-hire plot arrest
Madigan corruption trial
Hit w/ discrimination claims
New student loan relief plan
Louisiana forces relocation
ABC News icon Jarriel dies
反馈