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

Formative element denoting chemical analysis or research which involves very minute quantities (of the order of a few microgrammes or less), as in ultramicroanalysis, ultra microanalytical adj., ultramicrochemistry, ultramicrochemical adj. Also used without a hyphen as an independent word.

ΚΠ

1937 Ann. Rev. Biochem. 6 90 The methods of capillary colorimetry are necessarily more difficult than the other ultramicro methods which have been discussed.

1940 Ann. Rev. Biochem. 9 599 Drop analysis.—Ultramicrochemical methods have been advanced..in regard to the number of constituents determinable.

1946 Chem. Abstr. 40 6017 (heading) Ultramicroanalysis. III. A method for enriching copper by selective adsorption and for destroying organic matter in the determination of copper.

1946 Chem. & Engin. News 24 1195/2 The field which embraces the chemical study of material on this minute scale of operation has been given the name ‘ultramicrochemistry’ by P. L. Kirk, a pioneer investigator in the field of quantitative chemistry on the microgram scale.

1946 Nature 31 Aug. 313/1 (heading) Ultra-micro methods in nuclear chemistry.

1962 H. Heath in A. Pirie Lens Metabolism 365 Ultra-microanalytical methods have to be used to detect the last traces of ascorbic acid.

1971 Analyt. Biochem. 44 503 (heading) Quantitative ultramicroanalysis of amino acids in the form of their DNS-derivatives.

1973 Biol. Abstr. 56 1717/1 (heading) Ultramicrochemical methods for the analysis of tissues and cells of the inner ear.

1979 Ma & Rittner Mod. Organic Elemental Analysis xi. 366 Since it is now possible to carry out organic synthesis at the microgram level, the applications of ultramicro analytical methods become apparent.

单词	ultramicrochemical
释义	> as lemmas ultramicrochemical Formative element denoting chemical analysis or research which involves very minute quantities (of the order of a few microgrammes or less), as in ultramicroanalysis, ultra microanalytical adj., ultramicrochemistry, ultramicrochemical adj. Also used without a hyphen as an independent word. ΚΠ 1937 Ann. Rev. Biochem. 6 90 The methods of capillary colorimetry are necessarily more difficult than the other ultramicro methods which have been discussed. 1940 Ann. Rev. Biochem. 9 599 Drop analysis.—Ultramicrochemical methods have been advanced..in regard to the number of constituents determinable. 1946 Chem. Abstr. 40 6017 (heading) Ultramicroanalysis. III. A method for enriching copper by selective adsorption and for destroying organic matter in the determination of copper. 1946 Chem. & Engin. News 24 1195/2 The field which embraces the chemical study of material on this minute scale of operation has been given the name ‘ultramicrochemistry’ by P. L. Kirk, a pioneer investigator in the field of quantitative chemistry on the microgram scale. 1946 Nature 31 Aug. 313/1 (heading) Ultra-micro methods in nuclear chemistry. 1962 H. Heath in A. Pirie Lens Metabolism 365 Ultra-microanalytical methods have to be used to detect the last traces of ascorbic acid. 1971 Analyt. Biochem. 44 503 (heading) Quantitative ultramicroanalysis of amino acids in the form of their DNS-derivatives. 1973 Biol. Abstr. 56 1717/1 (heading) Ultramicrochemical methods for the analysis of tissues and cells of the inner ear. 1979 Ma & Rittner Mod. Organic Elemental Analysis xi. 366 Since it is now possible to carry out organic synthesis at the microgram level, the applications of ultramicro analytical methods become apparent. extracted from ultramicro-comb. formadj. < as lemmas
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