资讯

1. Finkelstein Reaction: This reaction involves the exchange of halogens where an alkyl halide (like CH3Br) is converted into another alkyl halide (like CH3I) using sodium iodide in acetone.
When chemists design new chemical reactions, one useful piece of information involves the reaction's transition state—the point of no return from which a reaction must proceed. This information ...
Jasprit Bumrah's full-toss hit Abhinav Manohar right below his stomach, but the reaction after the incident grabbed the attention of many. Jasprit Bumrah's full-toss hit Abhinav Manohar below the ...
Apr. 21, 2025 — Based on fundamental research, a new startup is upending decades-old approaches for the way the world extracts lithium and other ...
So to get that reaction right away was really tough. I don't think anybody predicted what the fallout would be from it. I was not prepared. But I don't think anybody on the team was." Bailey ...
The Los Angeles Lakers came back in Game 2 and defeated the Minnesota Timberwolves 94-84 to tie the series as they head on the road next. It was a big game from Luka Doncic, who finished with 31 ...
BOSTON — Instant reactions from the Red Sox’ 8-3 win over the Mariners here at Fenway Park on Tuesday: 1) Triston Casas entered 12-for-76 (.158) with a .229 on-base percentage, .237 slugging ...
"And so, one day, I filmed it, because her reaction to it is always so cute." Now a video shared to Wilde's TikTok account @whimsyandwitches on March 31 shows Luna's reaction in all its glory ...
Chelsea boss Enzo Maresca has been under pressure recently and his reaction to them grabbing a crucial late win at Fulham on Sunday was epic, as he jumped on the pitch to celebrate Pedro Neto’s 93rd ...