研究人员针对氮杂环合成中自由基环化路径选择性难题,通过实验与计算结合揭示了质子耦合电子转移(PCET)引发氮中心自由基的5-exo-trig主导机制,突破传统苯基调控认知,为功能性γ-内酰胺设计提供新策略。 氮杂环化合物是药物和功能材料的核心骨架,其 ...
As much as N-Trig is an old hand at supporting styluses, it's had to focus on tablets and other larger devices due to technology limits: the HTC Flyer is about as small as the company has gone to date ...
If you thought styluses were last seen on devices in 1990s, think again. Israel's N-trig is one of a new breed of pen input companies, recently unseating Wacom as Microsoft's pen of choice on its new ...
Figure 1: Formation of five-membered carbocycles.
Trig Trutherism, the surprisingly resilient conspiracy theory that Sarah Palin is not actually the mother of 3-year-old Trig Palin, is experiencing a boomlet thanks to a new academic paper that ...
An interesting footnote has emerged to a theory that raged around the Internet during Sarah Palin's candidacy for Vice President: The theory is that Sarah Palin is actually the grandmother of her ...
It’s kind of funny, our love for trig points. Usually, if someone comes along and clutters up the countryside with stuff that nature didn’t put there, at least some corner of the outdoors community ...
On 18 April 1936, a group of surveyors gathered around a white concrete pillar in a field in Cold Ashby, Northamptonshire, and began the retriangulation of Great Britain. Ordnance Survey (OS) is ...
The media has failed the country by not producing a final answer on this. This article was adapted from a paper published here by Professor Bradford Scharlott of Northern Kentucky University. The ...
Last week, Rick Santorum and his family offered us a reminder of what really matters. When his 3-year-old daughter, Bella, born with Trisomy 18, was hospitalized with pneumonia, Rick left the campaign ...
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