The starting material 2, 4-dinitroaniline was partially reduced in a mixed solvent to afford 4-nitro-1, 2-phenylenediamine.
用2,4 -二硝基苯胺为原料,在混合溶剂中进行部分还原,得到对硝基邻苯二胺。
The complex crystal ofm-cresol and urea has been firstly cultivated by using a mixed solvent including ethanol and THF at a proper ratio.
通过使用一定配比的乙醇和四氢呋喃作混合溶剂,第一次培养出尿素和间甲酚的复合物单晶。
Polysubstituted pyridines and 1,4-dihydropyridines were prepared in a three-component reaction of aromatic aldehyde, malononitrile and aliphatic amine in a mixed solvent of methanol and water.
在甲醇和水的混合体系中,通过芳醛,丙二腈和脂肪胺的三组分反应我们顺利得到了一系列多取代的吡啶和1,4-二氢吡啶衍生物。
As the solvent evaporated, they were left with drug mixed into a polymer film.
等到溶剂挥发后就得到混合有药物的聚合薄膜。
It has shown that mixed solvent is more effective for the shellac than single solvent resulting in a low viscous solution and fast dry film.
试验结果表明,混合溶剂较单一溶剂对紫胶的溶解性能好,胶液粘度低,漆膜干燥快。
A method for recovery of mixed solvent by measuring refractive index is reported in this paper.
报道了一种通过测试折光率来回收混合溶剂的方法。
A coatings containing polytetrafluoroethylene (PTFE) was prepared with polyphenylene sulfide (PPS) and polyimide (PI) as adhesive which were mixed with PTFE in a suitable solvent.
以聚笨硫醚(PPS)和聚酰亚胺(PI)为复合粘结剂与聚四氟乙烯(PTFE)混合于合适的溶剂中,制成含ptfe的涂料。
These datas lay a foundation for the separation and recovery of mixed dibasic acids by solvent method and related solid-liquid phase equilibrium research.
该系列溶解度数据的测定为溶剂法分离回收混合二元酸的工业化生产提供了基础数据,也为相关固液相平衡研究奠定了基础。
A high efficient mixed paraffin remover was prepared with benzene, mutual solvent a, mutual solvent b, and a synergic agent as materials.
针对我国油井结蜡严重的现象,以苯、互溶剂a、互溶剂b和协同剂为原料,制备了一种高效混合清蜡剂。
Based on creepy transport model of single solvent in polymer membrane, a transport model of mixed solvents in polymer membrane was presented by considering the coupling between mixed solvents.
以单溶剂在高分子膜中的蠕变传递模型为基础,通过考虑溶剂间的耦合作用对溶剂在高分子膜中传递过程的影响,建立了混合溶剂在高分子膜中传递的蠕变模型。
Refining method with solvent mixed A with N-methyl pyrrolidone was used to decolor the FCC diesel oil.
以溶剂A和N-甲基吡咯烷酮的混合物为萃取剂,对催化裂化柴油进行了脱色精制研究。
The mixed solvent consists of solvent naphtha, decalin, and petroleum ether in a certain proportion, which was used to synthesize 3-sulfo p-anisidine by using p-anisidine as raw material.
用溶剂汽油、萘烷、石油醚按一定比例复配成混合型溶剂,以对茴香胺为原料,用该溶剂合成了3磺酸基对茴香胺,产品中不含致癌物。
Said detergent is a mixed solution made up by using diesel oil as solvent, petroleum asphalt as solute and mixing them in 1-15% of concentration ratio.
该洗涤剂是以柴油为溶剂,以石油沥青为溶质,按浓度1―15%的比例制成混合液。
The experiment shows that there is a synergetic effect for solving paraffin, when the high-density solvent naphtha mixed with the light distillates.
但研究发现 ,所收集的高密度的重溶剂油和低密度的轻质油在溶蜡性能方面具有协同效应。
The copolymers and glutin are stirred in solvent while heating, so as to be evenly mixed to obtain a composite material.
共聚物与明胶在溶液中加温搅拌,混合均匀,形成复合材料。
The copolymers and glutin are stirred in solvent while heating, so as to be evenly mixed to obtain a composite material.
共聚物与明胶在溶液中加温搅拌,混合均匀,形成复合材料。
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