anhydride的例句大全

The riboflavin tetraacetate was synthesized starting from riboflavin and acetic anhydride, and the solid superacid ZrO_2-SO_4~ ( 2-) as catalyst.

对固体超强酸ZrO2－SO4~（2－）催化合成核黄素四乙酸酯进行了研究。

It is found that the catalytic activity of this new catalyst is consistent with that of the general catalysts such as iodine and iodine-iron, and is suitable for the synthesis of tetrabromophthalic anhydride.

该催化剂的催化效果和常用的碘、碘－铁催化剂相同，适用于四溴邻苯二甲酸酐的合成。

Study on a new method of synthesis for tetrabromophthalic anhydride

四溴苯酐合成新方法研究

The results showed that the thermal decomposition of tetrabromophthalic anhydride proceeded in two stages.

结果表明：四溴苯酐的热分解过程分两步进行。

Synthesis of tetrabromophthalic anhydride using iodine-vanadic salts as catalyst

碘－钒盐催化下合成的四溴邻苯二甲酸酐

The Methods of Lowering the Content of Free Sulfuric Acid in TetrabromopHthalic Anhydride

降低阻燃剂四溴苯酐中游离硫酸的方法研究

Methods This preparation of tetrafluorophthalic acid started from tetrachlorophthalic anhydride and underwent amidation, fluorination and hydrolysis.

方法以四氯苯酐为原料，经酰亚胺化、氟化、水解得四氟邻苯二甲酸。

Tetrachlorophthalic anhydride was synthesized with phthalic anhydride as raw material, compounded iodine as catalyst by direct separation of crystal from solvent on the basis of solvent method.

在溶剂法基础上，以苯酐为原料，复合碘作催化剂，产品直接结晶分离的方法合成四氯邻苯二甲酸酐。

Study on the determining method of free acid in methyl tetrahydro-phthalic anhydride

甲基四氢邻苯二甲酸酐中游离酸测定方法的探讨

The experimental results indicated that the specific retention volume method through gas chromatography was easy to be used to evaluate non aqueous solvents for recovery of maleic anhydride and the difference between theoretical yield and the industrial yield of maleic anhydride was only 0.58%.

实验结果表明，气相色谱比保留体积法评选顺丁烯二酸酐非水回收溶剂简便易行，与已知工业化数据仅相差0.58%。

Study on Catalytic Hydrogenation of Terpinene Maleic Anhydride

萜烯马来酸酐催化加氢反应的研究

The mechanical property and thermal stability of cured epoxy resin were closely related to the chemical structure of hydrogenated terpinene maleic anhydride.

氢化萜烯马来酸酐的化学结构与固化物的机械强度及热稳定性密切相关。

The Diels-Alder reaction of terpinenes and maleic anhydride and isomerization action of Terpinene is studied.

研究了松油烯与马来酸酐的分子间Diels-Alder环加成反应和松油烯的异构转化行为。

The curing reaction of hydrogenated terpinene maleic anhydride ( HTMA) with bisphenol A epoxy resin was investigated by FT-IR spectrum, and the curing degree, gelation time and its affecting factors were analyzed.

采用FT-IR光谱研究了氢化萜烯马来酸酐（HTMA）与双酚A型环氧树脂的固化反应过程，并分析了固化度、凝胶时间及其主要影响因素。

Synthesis of terpinyl acetate from terpineol and acetic anhydride with solid superacid SO~ 2-_4/ TiO_ 2-Ce~ 4+ as catalyst had been studied for the first time.

并以该固体超强酸SO24-/TiO2-Ce4+为催化剂，松油醇和乙酸酐为原料合成乙酸松油酯。

Methods Chloroacetic acid was treated with thionyl chloride, amines and triphenylphosphine to provide quaternary phosphonium salts, which were treated with phthalic anhydride to get the target compounds by the Wittig reaction. The pure products were obtained by silica gel column chromatography.

方法以氯乙酸为起始原料，依次与氯化亚砜、胺、三苯膦反应制得季磷盐，再与邻苯二甲酸酐经Wittig反应制得目标化合物，硅胶柱色谱得纯品。

The activity of curing reaction of modified rosin based alicyclic epoxy resin with modified methyl hexahydrophthalic anhydride was investigated by thermal analysis and gelatin time determination.

采用热分析及凝胶时间测定方法研究了以松香为基础的改性脂环基环氧树脂与改性甲基六氢苯酐的固化反应活性；

TiO_2 nanocrystalline was prepared by a emulsion method in the mixed solvent of cyclohexane and acetic anhydride using titanyl organic compound as the precursor.

以钛氧有机物为前驱体，利用微乳液法制备了纳米TiO2微晶。

The reaction of synthesizing titanyl organic compounds from titanium tetrabutoxy and acetic anhydride has been studied with FTIR, NMR and TGA.

用FTIR、NMR和TGA等研究了钛酸丁酯与乙酐合成钛氧有机物的反应；

The status quo of the research on phosphate free builders is introduced and the properties of 4A zeolite, sodium metasilicate, sodium polyacrylate, zeolite P, sodium salt of maleic anhydride acrylic acid copolymer, layered crystal sodium disilicate as phosphate free builders are reviewed.

综述了无磷洗涤助剂的开发进展，并对4A沸石、偏硅酸钠、聚丙烯酸钠、沸石P、顺丁烯二酸酐丙烯酸共聚物钠盐、层状结晶二硅酸钠等助剂的性能作了评述；