Put your hand on your heart. Meaning, origin, examples of the use of phraseological units

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WINGED WORDS, PHRASEOLOGICAL UNITS
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Winged words, phraseological units. Meaning, history of origin, examples of use

Winged words, phraseological units

Directory / Winged words, phraseological units

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Put your hand on your heart

Proverbs and sayings

Phraseologism: Put your hand on your heart.

Meaning: Honestly, sincerely.

Origin: The expression is associated with putting a hand to the heart, which was perceived as a kind of oath in sincerity, sincerity, and the truth of the statement. Put - the old form of a short real participle from the verb put (the modern form of the perfect participle - putting). And today you can sometimes see this gesture as proof of the irrefutability of what was said.

Random phraseology:

architectural excesses.

Meaning:

About something superfluous, unnecessary, etc. (iron.).

Origin:

From the resolution "On the elimination of excesses in design and construction", adopted by the Central Committee of the CPSU and the Council of Ministers of the USSR on November 4, 1955

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Random news from the Archive

carbene record 21.07.2016

A chain of carbon atoms 6400 atoms long has been synthesized.

Carben, or linear carbon, was first synthesized at the INEOS of the USSR Academy of Sciences in 1960, in the laboratory of Academician V.V. Korshak, by passing acetylene through an aqueous ammonia solution of a monovalent copper salt. The very first attempt was made by Adolf Bayer back in 1885. Then he did not succeed and considered the problem unsolvable.

However, in the 1930s, chains of five to six carbon atoms without any other atoms were found in some mushrooms. This stimulated the resumption of work and ultimately led thirty years later to the synthesis of the compound. The analysis showed that two forms of carbene are possible: with atoms connected alternately by single and triple bonds, and with only double bonds.

And then the chemists began to compete to see who could grow the longest chain. Each new achievement was in turn surpassed by someone. In 2010, the confirmed record was 44 atoms. And now an international group of researchers led by Professor Thomas Pichler from the University of Vienna made a qualitative leap - they moved from tens to hundreds and thousands in the number of atoms in the carbene chain. The secret of success was the use of a nanoreactor - a two-layer carbon nanotube. It was in it that it was possible to grow chains of carbon atoms of record length.

Now the researchers are thinking about how to extract the carbene from the nanotubes and make a monolithic material out of it. It is believed that it will be the hardest in the world: the modulus of elasticity, that is, the ratio of stress to the deformation it causes, is forty times higher than the value for diamond. Despite the abundance of triple or double bonds, the carbene is believed to be stable under normal conditions in the earth's atmosphere.

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