methylal
英[ˌmeθə'læl]
美[ˌmeθə'læl]
- n. [化]甲缩醛；甲醛缩二甲醇；二甲氧基甲烷
双语例句
- 1. Methylal is clear colorless volatile flammable liquid, chloroform and pungent odor.
- 甲缩醛为无色澄清易挥发可燃液体，有氯仿气味和刺激味。
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- 2. Therefore, "GB17930-2013" gasoline vehicle specified in methylal not artificially added gasoline vehicle.
- 因此，GB17930-2013《车用汽油》中明确规定车用汽油中不得人为加入甲缩醛。
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- 3. This paper also indicated that the yield of formaldehyde may be increased obviously by adding some water to methylal.
- 文中提出在原料中添加适量水可以显著提高甲醛收率。
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- 4. The invention discloses a substituted phenol for methylal phosphate anesthetic and sedative drugs and a preparation method thereof.
- 取代苯酚的甲缩醛磷酸盐麻醉镇静药用化合物及制备方法。
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- 5. The medicinal compound is a 2,6-diisopropyl phenol methylal phosphate disodium salt hydrate the molecular structure of which comprises 1-10 crystal water.
- 该药用化合物为分子结构中含有1-10个结晶水的2，6-二异丙基苯酚甲缩醛磷酸酯二钠盐水合物。
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- 6. The invention discloses a method for synthesizing methylal, comprising steps of dissolving potassium hydrate in absolute methanol while fiercely stirring;
- 本发明公开了一种合成甲缩醛的方法，该方法是在强烈搅拌下将氢氧 化钾溶于无水甲醇中；
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- 7. For suspected of containing methylal car with gasoline samples, the common analysis methods with infrared spectroscopy, temperament spectrometry, multidimensional gas chromatography.
- 针对疑似含有甲缩醛的车用汽油样品，常见分析方法有红外光谱法，气质联用法，多维气相色谱法。
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- 8. The influences of preparation method, the calcined temperature and auxiliary forming reagent on the activity of the Fe Mo Co o catalyst for oxidation of methylal to formaldehyde were studied.
- 考察了制备方法、焙烧温度和成型助剂对甲缩醛氧化制甲醛铁钼钴三元催化剂活性的影响。
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- 9. The experimental results show that the conversion and the purity of methylal in the distillate can reach 0.89 and 0.99, respectively, and the slurry catalytic distillation process is practic…
- 在选定的试验条件下，甲缩醛收率可达89%以上，塔顶甲缩醛的质量分数可达0.99以上。结果表明，该工艺用于制备甲缩醛是可行的。
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- 10. The experimental results show that the conversion and the purity of methylal in the distillate can reach 0.89 and 0.99, respectively, and the slurry catalytic distillation process is practic…
- 在选定的试验条件下，甲缩醛收率可达89%以上，塔顶甲缩醛的质量分数可达0.99以上。结果表明，该工艺用于制备甲缩醛是可行的。
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- The present invention relates to a catalyst for methylal oxidation to prepare formaldehyde ferrimolybdenum.
本发明涉及一种甲缩醛氧化制浓甲醛铁钼催化剂及其制备方法，属于催化剂技术领域。
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