nitroso

常見例句

• An improved method for synthesis of 5 - nitroso - 2,4,6 - triaminopyrimidine by using dimethyl sulfox-ide and xylene as mixed solvents for azeotropic dewatering was developed.
  研究了一種合成5-亞硝基-2,4,6-三氨基嘧啶的改進(jìn)方法,該法采用二甲基亞砜和二甲苯作為混合溶劑共沸脫水,克服了單一極性溶劑脫水困難的缺點(diǎn)。
• This paper introduced a improved process to synthesize pendimethalin by nitration,O-alkylation and condensation from3,4-xylenol.This process avoided the formation of the toxic nitroso compounds.
  本文介紹了以3,4-二甲基苯酚為原料,經(jīng)過硝化反應(yīng)、氧烷化反應(yīng)、縮合反應(yīng)制備除草劑二甲戊靈的一種新的制備工藝,該工藝避免了有毒的亞硝基化合物的形成。
• Keywords cobalt;Nitroso R salt;oscillopolarography;
  鈷離子;亞硝基紅鹽;極譜法;
• Keywords Nitroso R salt Cobalt Spectrophotometer;
  亞硝基紅;鈷;吸光光度法;
• nitroso process (for sulfuric acid manufacture)
  [化] 亞硝基法(制硫酸)
• The Photodissociation Dynamics of Some Nitro-and Nitroso Compounds
  若干硝基、亞硝基化合物光解動(dòng)力學(xué)研究
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