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
时间不限
过去 1 小时
过去 24 小时
过去 7 天
过去 30 天
最佳匹配
最新
腾讯网
1 年
新刊推荐 | Nature Reviews Electrical Engineering 三月刊导读,欢迎阅读!
碳纳米管(CNTs)是由卷曲的石墨烯组成的管状纳米结构,是纳米和分子级电子器件的有前途的材料。从根本上讲,碳纳米管及其结合部的电子性质取决于量子边界条件沿环向和纵向的全局和局部手性。因此,在电子器件中,碳纳米管可以表现为金属、半导体或 ...
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
Trump signs funding bill
Ryan Routh faces sentencing
Mitch McConnell hospitalized
Demands $1B in damages
Japan battles winter storms
Cutting some snack prices
Wins Westminster dog show
To invest in $1B in US market
Ex-husband charged
Pleads not guilty
HK firm begins arbitration
Renee Good's brothers testify
NY, NJ sue Trump admin
Returns from calf injury
Trump meets Colombian pres
Migrant boat collision
Judge issues restraining order
To deploy observers for ICE
To carry US flag at Olympics
‘Sherri’ talk show canceled
Disney names new CEO
Raw milk health warning
CEO testifies before Senate
Illinois joins WHO network
To quit House of Lords
Reaches $1T market value
No ICE presence planned
US shoots down Iranian drone
To ban hidden door handles
Mexico, US reach deal
3 Alberta players killed
PayPal appoints new CEO
Announces run for governor
Renewed for season 3
To buy Webster Financial
Wins arbitration battle
To compete in Olympics
Steps down from WH post
反馈