研究团队使用中国科学院紫金山天文台13.7米毫米波望远镜，在长周期彗星C/2022 E3 (ZTF) (此后简称E3)本次回归的近日点 (2023.01.12)和近地点 (2023.02.03)附近，成功探测到了88.6GHz的HCN (1-0)发射线，包含三个超精细结构，主线信噪比均在4σ左右，结果如图1。

One of the most prominent claims in circulation is that DeepSeek V3 incurs a training cost of around $6 million.

The regulation aims to link national and regional power, low-carbon gas, hydrogen and carbon dioxide infrastructure. Thursday’s announcement constitutes “the largest call for proposals under ...

Some of the Los Alamos scientists feared that the USSR might already be working on a hydrogen bomb and one of them, the arch-hawk, Edward Teller, urged the rapid development of a weapon with an ...

This manuscript describes a fundamental investigation of the functioning of Cas9 and in particular on how variant xCas9 expands DNA targeting ability by an increase-flexibility mechanism. The authors ...

IT is usually considered that molecular hydrogen does not have an infra-red rotation-vibration spectrum. However, such a spectrum may be expected as a forbidden transition made possible by the ...

Materials Science Division, Lawrence Livermore National Laboratory, Livermore, California 94550, United States Laboratory for Energy Applications for the Future (LEAF), Lawrence Livermore National ...

Yanmar Power Technology has received Japanese government approval for its production plans for hydrogen-fueled engines and fuel cells. The planned project aims to establish an advanced production ...

SINGAPORE – A man allegedly linked to Singapore’s largest money laundering case involving $3 billion in cash and assets was handed 15 charges on Jan 23 for offences including forgery.

Department of Chemistry, Gettysburg College, Gettysburg, Pennsylvania 17325, United States Department of Chemistry and Biochemistry, University of California San Diego, San Diego, California 92093, ...

Data analytics platform Databricks has confirmed that it has closed a previously announced $10 billion in Series J equity financing at a $62 billion valuation. The San Francisco-based company also ...

Plans for two new bridges over the Potomac River have moved “to the next level” with the announcement of a contractor to design and build the structures. The Virginia Passenger Rail Authority ...