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
时间不限
过去 1 小时
过去 24 小时
过去 7 天
过去 30 天
按时间排序
按相关度排序
instrument
28 天
高温差热分析仪DTA-1550S测试铜合金材料的熔点实验
通过差热分析(DTA)技术,可以测定材料在加热过程中的热效应,如熔融、结晶等。本实验使用汇诚仪器的高温差热分析仪DTA-1550S测试铜合金材料的熔融温度,其中纯铜的熔点为1083℃。DTA-1550S采用封闭式陶瓷炉体结构和铂铑合金传感器,控温精准、波动性小且 ...
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
Hughes Fire prompts evacs
Los Angeles wildfire updates
Passes Laken Riley Act
Nashville school shooting
Troops to secure border
Loses bid for new trial
Court: Elephants can't sue
Houthi rebels release crew
Drives Ferrari F1 car
Prince Harry settles suit
Can target schools, churches
Soda button reinstalled
DEI staff placed on leave
Trump unveils $500B AI plan
Jan. 6 rioter arrested again
Remains of WI pilot ID'd
UN seeks $910M for Nigeria
Ex-El Salvador pres dies
Files $500M defamation suit
Legendary guitarist dies
Raising prices again
The Band's keyboardist dies
Murder charge upheld
Turns down plea deal
'Days of Our Lives' star dies
1st Japanese elected to HOF
Launches bid for governor
Meta ex-COO sanctioned
Voice of Navy football dies
Faces new allegations
Chevrolet Equinox EV recall
Silk Road founder pardoned
2,000-year-old statue found
反馈