英语词汇“tetraethylammonium”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

tetraethylammonium n.

Brit.

/tɛtrəˌiːθʌɪləˈməʊnɪəm/

/tɛtrəˌɛθʌɪləˈməʊnɪəm/

/tɛtrəˌɛθᵻləˈməʊnɪəm/

U.S.

/ˌtɛtrəˌɛθələˈmoʊniəm/

(also †teˌtrethylaˈmmonium) Chemistry the quaternary ion (C₂H₅)₄N⁺, which is a ganglion-blocking agent and has been used (in the form of its chloride or bromide salt) in the treatment of hypertension.

ΘΚΠ

the world > matter > chemistry > ions, ionization, or electrolysis > [noun] > ion > specific > specfic quaternary ion

tetraethylammonium1852

1852 A. W. Hofmann in Q. Jrnl. Chem. Soc. 4 306 For this [organic] metal I propose..the name Tetrethylammonium..which implies that it is built up by the intimate union of nitrogen with four equivalents of the hypothetical hydrocarbon called ethyl.

1940 Thorpe's Dict. Appl. Chem. (ed. 4) IV. 355/2 Tetraethylammonium hydroxide, NEt₄·OH, known only in solution or as solid hydrates.

1962 J. H. Burn Drugs, Med. & Man vi. 65 Two American workers attempted to use..tetraethylammonium to reduce blood pressure in patients in 1946, and then two workers in England introduced hexamethonium which was much more powerful and acted for a much longer time.

单词	tetraethylammonium
释义	> as lemmas tetraethylammonium tetraethylammonium n. Brit. /tɛtrəˌiːθʌɪləˈməʊnɪəm/ , /tɛtrəˌɛθʌɪləˈməʊnɪəm/ , /tɛtrəˌɛθᵻləˈməʊnɪəm/ , U.S. /ˌtɛtrəˌɛθələˈmoʊniəm/ (also †teˌtrethylaˈmmonium) Chemistry the quaternary ion (C₂H₅)₄N⁺, which is a ganglion-blocking agent and has been used (in the form of its chloride or bromide salt) in the treatment of hypertension. ΘΚΠ the world > matter > chemistry > ions, ionization, or electrolysis > [noun] > ion > specific > specfic quaternary ion tetraethylammonium1852 1852 A. W. Hofmann in Q. Jrnl. Chem. Soc. 4 306 For this [organic] metal I propose..the name Tetrethylammonium..which implies that it is built up by the intimate union of nitrogen with four equivalents of the hypothetical hydrocarbon called ethyl. 1940 Thorpe's Dict. Appl. Chem. (ed. 4) IV. 355/2 Tetraethylammonium hydroxide, NEt₄·OH, known only in solution or as solid hydrates. 1962 J. H. Burn Drugs, Med. & Man vi. 65 Two American workers attempted to use..tetraethylammonium to reduce blood pressure in patients in 1946, and then two workers in England introduced hexamethonium which was much more powerful and acted for a much longer time. extracted from tetra-comb. form < as lemmas
随便看	backward caste backward class backward compatibility backward difference backward in coming forward backward integration backward masking backward point backward roll backward scattering backward-bending backward-compatible backward-curving backward-facing backward-gazing backward-looking backward-sloping backward-wending backwardation backwardbending backwardcompatible backwardcurving backwarder backwardest backwardfacing

> as lemmas