A weighted M\"obius function

For a fixed odd prime $\ell$, we define a variant of the classical M\"{o}bius function on the poset of isomorphism classes of finite abelian $\ell$-groups, then we prove an analog of Hall's theorem on the vanishing of the M\"{o}bius function.Comment: 7 pages, new introduction, updated reference

Leak decay method of helium bombardment leak testing

Method for verifying hermetic seal quality of small components is described. Procedure for using helium bombardment and examination with mass spectrometer is described. Technique eliminates errors in seal quality determination and checks quality of seals without contaminating products

In Crisis, Europeans Support Radical Positions Climate Change and Social Welfare issues most salient. BertelsmannStiftung eupinions brief | May 2020

Europe finds itself in an unprecedented crisis which is pushing many of its citizens into existential uncertainty. Our EU-wide poll, conducted in March 2020, as the corona virus was spreading across the continent, shows Europeans embracing some radical positions

Autoionization effects in ultraviolet absorption spectra of hot gases Scientific report no. 6

Autoionization effects in ultraviolet absorption spectra of hot gase

That\u27s My Idea Of You

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I\u27ll Love You For Evermore

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I Want To Be With You

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