英语词汇semimicro-的发音释义、词根词缀、结构分析、同源词、词频及词根记忆法-英语词根词缀词典

semimicro-, prefix and quasi-a. Chem.|sɛmɪˈmaɪkrəʊ|[f. semi- 1 a + micro- 2 a, 8 b.]a. Formative element denoting a scale of quantitative analysis between micro-scale and macro-scale (commonly 0·01–0·1 gramme), as in semimicroanalysis, semimicro-analytical adj., semimicro-determination, semimicro-method.1951A. I. Vogel Text-Bk. Quantitative Inorg. Analysis (ed. 2) xi. 814 Semi-micro-analysis is concerned with the manipulation of 10–100 mg. of material, whilst micro⁓analysis deals with 1–10 mg. of material.1938Jrnl. Soc. Chem. Industry Dec. 464/1 (heading) The determination of free and saline ammonia using a semi-microanalytical method.1937Industr. & Engin. Chem. (Analytical Ed.) 15 June 296 (heading) Micro-, semimicro-, and macro-determination of halogens in organic compounds.1933Ibid. Nov. 402/1 Northrop..has used a semi-micromethod with an accuracy of 0·2 per cent.1963tr. Alexeyev's Quantitative Analysis i. 16 The main advantages of the micro- and semimicromethods are their high speed and the need for only very small amounts of material.b. Used without hyphen as an independent word.1935Industr. & Engin. Chem. (Analytical Ed.) Nov. 432/1 Semi-micro adaptations of the classical Kjeldahl method..have been reported.1946F. Schneider Qualitative Organic Microanalysis ii. 39 Bernhauer describes several types of micro or semi-micro receivers for vacuum distillations.Ibid. vii. 195 A test for the nitro group carried out on a semi-micro scale.1974[see micro- 8 b].1976Lancet 13 Nov. 1091/2 Plasma creatinine (semi⁓micro alkaline-picrate method) and urea (diacetyl⁓monoxime method) concentrations were measured.

semimicro- /sɛmɪˈmʌɪkrəʊ/ prefix. Also as attrib. adjective semimicro. M20.

ORIGIN: from semi- + micro-.

Chemistry. Designating or pertaining to a scale of quantitative analysis between micro-scale and macro-scale (commonly 0.01-0.1 g).

semimicroanalysis, semimicromethod, etc.

词汇	semimicro-
词根词缀	OED SOED *semimicro-, prefix and quasi-a.* Chem.\|sɛmɪˈmaɪkrəʊ\|[f. semi- 1 a + micro- 2 a, 8 b.]a. Formative element denoting a scale of quantitative analysis between micro-scale and macro-scale (commonly 0·01–0·1 gramme), as in *semimicroanalysis, semimicro-analytical* adj., *semimicro-determination, semimicro-method.1951A. I. Vogel Text-Bk. Quantitative Inorg. Analysis* (ed. 2) xi. 814 Semi-micro-analysis is concerned with the manipulation of 10–100 mg. of material, whilst micro⁓analysis deals with 1–10 mg. of material.1938Jrnl. Soc. Chem. Industry Dec. 464/1 (heading) The determination of free and saline ammonia using a semi-microanalytical method.1937Industr. & Engin. Chem. (Analytical Ed.) 15 June 296 (heading) Micro-, semimicro-, and macro-determination of halogens in organic compounds.1933Ibid. Nov. 402/1 Northrop..has used a semi-micromethod with an accuracy of 0·2 per cent.1963tr. Alexeyev's Quantitative Analysis i. 16 The main advantages of the micro- and semimicromethods are their high speed and the need for only very small amounts of material.b. Used without hyphen as an independent word.1935Industr. & Engin. Chem. (Analytical Ed.) Nov. 432/1 Semi-micro adaptations of the classical Kjeldahl method..have been reported.1946F. Schneider Qualitative Organic Microanalysis ii. 39 Bernhauer describes several types of micro or semi-micro receivers for vacuum distillations.Ibid. vii. 195 A test for the nitro group carried out on a semi-micro scale.1974[see micro- 8 b].1976Lancet 13 Nov. 1091/2 Plasma creatinine (semi⁓micro alkaline-picrate method) and urea (diacetyl⁓monoxime method) concentrations were measured. semimicro- /sɛmɪˈmʌɪkrəʊ/ prefix. Also as attrib. adjective semimicro. M20. ORIGIN: from semi- + micro-. Chemistry. Designating or pertaining to a scale of quantitative analysis between micro-scale and macro-scale (commonly 0.01-0.1 g). semimicroanalysis, semimicromethod, etc.
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