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
生物通
7月
CeO2 负载Pd/Ni催化剂在1,3-丁二烯选择性加氢制丁烯中的协同效应 ...
本研究针对工业中1,3-丁二烯(BTD)选择性加氢制高附加值丁烯的难题,通过制备CeO2 负载的Pd、Ni及PdNi双金属催化剂,结合H2 -TPR、XPS、HR-TEM等表征手段和DFT计算,揭示了Pd-Ni协同作用机制。结果表明,4% Pd负载催化剂在40°C即可实现完全转化,而Ni的引入显著提升1 ...
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
Blue Jackets fire coach
Prosecutor fired over case
Sen. Kelly sues Pentagon
Settles sexual assault suit
Alphabet joins $4T club
To give public testimony
Trump to meet w/ Machado
Today in history: 1968
SCOTUS declines to hear case
Announces run for FL governor
Tariffs on Iran trade partners
US slams RU’s ‘escalation’
Backpack seizure hearing
Minnesota sues federal govt.
Says no current talks w/ US
Man shot by agents charged
Transferring to Oregon
Reaches deal w/ Trump admin
Pleads not guilty to murder
Black Midi guitarist dies
Paramount sues WBD
‘The Chase’ returns in 2026
GA lieutenant governor bid
Avalanche kills 2 in WA
Block Grok over deepfakes
Exits MI governor's race
Former French coach dies
See progress in EV dispute
Says Iran wants to negotiate
3 dead at Georgia prison
Joins Meta as pres and VC
Launches AK Senate bid
Suspended for 1 game
Returns to PGA Tour
Former Pirates reliever dies
To host 2026 NHL draft
US lawmakers to visit Denmark
To host summit w/ S. Korea
反馈