The main products of PET supercritical methanolysis are dimethyl terephthalate(DMT) and ethylene glycol(EG).
红外光谱检测解聚产物是纯度很高的对苯二甲酸二甲酯(DMT)单体和乙二醇。
单词 | dimethyl |
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The main products of PET supercritical methanolysis are dimethyl terephthalate(DMT) and ethylene glycol(EG). 红外光谱检测解聚产物是纯度很高的对苯二甲酸二甲酯(DMT)单体和乙二醇。 It is ascertained that the PABA may be N-dimethylated using dimethyl sulfate as a methylation agent. 确定以硫酸二甲酯为N——甲基化剂,对对氨基苯甲酸PABA进行N——二甲基化. In this thesis, the reaction of aldehydes with dimethyl -- dichlorosilane producingdimethylsilyl bis -- enol ethers has been studied. 本文对醛和二甲基二氯硅烷反应合成二甲硅基双烯醇醚进行了研究。 The polyester or copolyester can be converted into dimethyl terephthalate of binary acid and glycol by method of methanolysis. 介绍用甲醇醇解法把聚酯或共聚酯解聚成二元酸二甲酯和二元醇。 Tribenzyl isocyanurate was prepared by reaction of isocyanuric acid with benzyl chloride and with N,N dimethyl formamide(DMF)used as solvent. 采用N,N-二甲基甲酰胺作溶剂,异氰尿酸、苄氯为原料合成了异氰尿酸三苄基酯。 It has discovered that trace dimethyl glyoxime can sensitivly catalyize the discoloration of dimethyl yelloue by potassium bromate in sulphuric acid. 研究发现,在硫酸介质中,超痕量二甲基乙二醛肟能灵敏地加速溴酸钾氧化二甲基黄褪色的指示反应。 The catalysts and reaction conditions have been studied for esterinterenange between propenyl carbonate and methanol to produce dimethyl carbonate (DMC). 研究了碳酸丙烯酯和甲醇经酯交换制备碳酸二甲酯的催化剂及反应工艺条件。 Citral was synthesized by catalytical rearrangement of dehydrolinalool in toluene solution with the present of molybdenyl acetylacetonate, benzoic acid and dimethyl sulfoxide (DMSO). 摘要采用脱氢芳樟醇为原料,在乙酰丙酮酸钼、苯甲酸、二甲基亚砜(DMSO)的甲苯溶液中催化重排合成柠檬醛,考察了柠檬醛在不同体系中的热敏性。 The separation of three-component system of cyclohexane,cyclo-hexene and benzene by extract rectification with a mixed solvent,comprising hexyl dicyanide and dimethyl acetylamine has been studied. 选用己二腈-二甲基乙酰胺组成的混合溶剂,对环己烷、环己烯和苯组成的三元体系进行了萃取精馏。 声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
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科学60秒-科学美国人 2021年2月合集 But they think a compound called dimethyl sulfide might be the culprit. 但他们认为化合物二甲基硫醚可能是罪魁祸首。 Scishow 精选系列 It'll form a crust of dimethyl cadmium peroxide, which is a friction-sensitive explosive. 但会生成一层二甲基镉过氧化氢,一种摩擦即燃的爆炸物。 透视百科科技类 The catalyst breaks down the waste into its two base monomers: DMT, dimethyl terephthalate, and MEG, monoethylene glycol. DMT,也就是对苯二甲酸二甲酯,和 MEG,单乙二醇。 经济学人(汇总) This quickly degrades into another chemical, dimethyl sulphide, which generations of those subjected to unimaginative school lunches will instantly recognise. 该物质很快会降解为另一种化学物质--二甲基硫,闻到这种物质产生的气味会立刻让人想起千篇一律的学校午餐的气味。 创意发明 DMT, dimethyl terephthalate, and MEG, monoethylene glycol. DMT,对苯二甲酸二甲酯,MEG,单乙二醇。 宇宙的奇迹 But there are also complex carbon compounds in here. So there's methanol, there's hydrogen cyanide, there's formaldehyde, there's dimethyl ether. 还有一些复杂的碳基化合物,比如甲醇 、氰化氢、 甲醛、 二甲醚。 |
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