二醌 的英文怎麼說
中文拼音 [èr]-
Transportation and based on chemical professing factory. we had a set of product line of annual productive sulfur bearing acerbity 100 thousand tons and a set of cysteamine hydrochloride line of annual productive dimethyl
我廠有年產10萬噸硫磺制酸生產線一套，年產1500噸半胱胺鹽酸鹽及年產5000噸硫酸二甲酯生產線各一套，年產3000噸合成蒽醌和年產800噸二乙基蒽醌生產線各一In a paper published jan. 18 in science express, the scientists describe how they got an adsorbate molecule ( anthraquinone ) to pick up two carbon dioxide atoms and carry them in a specific direction on a flat copper surface
1月18日的「科學快訊」上的一篇文章中的研究者描述了他們將攜帶有二氧化物原子的一種吸附分子（蒽醌）定向進入扁的銅表面。A facile method for the preparation of 10 - arylmethylene anthrone is reported. when anthrone react with aryl aldehyde in the presence of pyridine by using xylene as the solvent, besides 10 - arylmethylene anthrone derivatives we found other oxygenated anthrone which have not been reported. physical methods shows that the oxygenated anthrone is anthraquinone, and the anthraquinone cannot be removed from the condensed products by recrystallization with solvents. an effective method of getting ride of anthraquinone is sublimation by heating
以蒽酮和芳香醛為原料，二甲苯為溶劑，吡啶催化法制取10 -芳香基甲叉基蒽酮.發現其生成物中除含有目標化合物10 -芳香基甲叉基蒽酮外，還含有部分文獻中沒有報道的蒽酮氧化物，經物理方法確定其為蒽醌.該化合物不能用溶劑重結晶的方法將其從縮合產物中除去，有效的分離方法是升華Manufacturer of pyranine dyes for the food, cosmetic, pharmaceutical, and personal care industries, as well as a black dye for inkjet printers
-生產還原染料分散染料染料中間體，苯繞蒽酮， 1 ， 4 -二氨基- 2 ， 3 -二氯蒽醌，還原黃，還原紫，還原棕，還原咔嘰，還原大紅，還原灰，分散紫At the same time, we also can supply taed, thiourea, melamine, aluminum sulphate, titanium dioxide rutile and anatase, rubber accelerator, methyl cellulose, hydroxypropyl methyl cellulose, monoammonium phosphate and other phosphates, 2 - ethyl anthraquinone, etc
同時還可為客戶提供四乙酰乙二胺硫脲三聚氰胺硫酸鋁鈦白粉橡膠促進劑甲基纖維素羥乙基甲基纖維素羥丙基甲基纖維素，磷酸二氫銨2 -乙基蒽醌等十幾種優質化工品。In recent years, the foreign producers of organic pigment increased the capacity of high performance organic pigments ( hpop ), including the types of perylene series, isoindolinones, quinacridones, copper phthalocyanines, anthraquinones, dioxazines, special azo dyes and high performance naphthols
摘要近幾年，國外有機顏料生產公司增加了高檔有機顏料的生產能力，生產的高檔有機顏料品種包括?系、異吲哚啉酮類、喹吖啶酮類、銅酞菁類、蒽醌類、二惡嗪類、特殊偶氮類和高檔色酚類。Production 1, 2 hydroxy beta 4 - formic acid, a beta consignment sales produced products
生產1 、 4 -二羥基萘甲酸、甲萘醌，銷售自產產品。Study on the synthesis of anti - tumor agent 1, 4 - bis
二羥基蒽醌的合成研究2, 6 - dibromo - n - chloro - para - benzoquinone monoimine
2 ， 6 -二溴n氯代對苯醌亞胺The protective effect of puerarin on hepatic injury induced by ischemia reperfusion in rat
丹參二萜醌對連苯三酚自氧化反應的抑制作用Influence of cation concentration on 7, 7, 8, 8 - tetracyanoquinodimethane in polyelectrolyte by using in - situ microscopic fourier transform infrared spectroelectrochemistry
四氰基苯醌二甲烷現場顯微紅外光譜的影響Hydroxyquinol triacetate was prepared from p - benzoquinone by 1, 4 - addition reaction with acetic anhydride and then 6, 7 - dihydroxy coumarin was synthesized from it by hydrolyze and cyclization in concentrated sulfuric acid. then 6, 7 - dimethoxy coumarin was synthesized by methylating from 6, 7 - dihydroxy coumarin with an overall yield of 74. 4 %. the procedure was practical. its structure was confirmed by ir and 1hnmr
對苯醌與乙酸酐經1 ， 4 -加成生成1 ， 2 ， 4 -苯三酚三乙酸酯，然後與蘋果酸反應經水解、環合反應得6 ， 7 -二羥基香豆素，再經甲基化得到6 ， 7 -二甲氧基香豆素，總收率為74 . 4 % ，整個過程反應條件溫和，操作方便，適合工業生產的要求，對產品結構進行了ir和1hnmr表徵。Synthesis of dihydroanthraquinone and determination of trace mercury by fluorescence quenching method
二氫蒽醌用於熒光猝滅法測定痕量汞Study on recovery 1, 4 - dihydroxyanthraquinone industrial wastewater with macroreticular polymeric adsorbent
二羥基蒽醌生產廢水的研究分享友人