acetal

I preserved in a one percent solution of polyvinyl acetal resin .

我把它保存在了百分之一的聚乙烯乙缩醛合成树脂溶液里

Almost all aldehydes contents dropped but acetal content increased .

醛类物质均有所下降，乙缩醛含量上升。

Butyraldehyde glycol acetal was synthesized from butyraldehyde and glycol by using iodine as catalyst .

以单质碘为催化剂，通过丁醛和乙二醇反应合成了丁醛乙二醇缩醛。

Prospect of " Acetal Method " in the 21st Century (ⅱ)

缩醛法在21世纪展望（Ⅱ）

Study on the Acetal Reaction with Heterogeneous Supported Heteropoly Acid as Catalysts

固载杂多酸催化缩醛反应的研究

Study on flame retardancy of acetal copolymer improved by aluminum hydroxide

用Al（OH）3提高共聚甲醛阻燃性的研究

A New formula for Preparation of Polyvinyl Acetal Adhesive

制备聚乙烯醇缩醛胶的新配方

Progress on research of catalyst for synthesis of butyraldehyde glycol acetal

合成丁醛乙二醇缩醛的催化剂研究进展

Research Progress in Catalysts for Synthesis of Benzaldehyde Glycol Acetal

合成苯甲醛乙二醇缩醛催化剂的研究进展

Changes of Acetaldehyde and Acetal During the Storage of New Distilled Liquor

新蒸馏白酒贮存过程中乙醛和乙缩醛的变化

Study of dehydration performance of PVA / PAN composite membrane modified by aldehyde acetal

缩醛改性PVA/PAN复合膜脱水性能研究

Use of end capping agent to increase the yield of thermostable acetal copolymer

利用封端剂提高共聚甲醛的热碱稳定产物收率的研究

Synthesis of vanillin propylene glycol acetal over different molecular sieves catalysts

不同类型分子筛催化剂上香兰素丙二醇缩醛的合成

Study on Synthetic Method of Acetal and Ketal Perfume

缩醛（酮）类香料的合成方法研究

Quantity Ratio Relationship of Acetaldehyde and Acetal in Liquor

香茅醛环乙二醇缩醛谈乙醛、乙缩醛在白酒中的量比关系

A new process of making perfumes phenylacetaldehyde and its acetal

香料物质苯乙醛及其缩醛合成的新途径

Catalytic synthesis of citral diethyl acetal by supported strong acid

载体强酸催化合成柠檬醛二乙缩醛

Acetal Reaction in Separation of 1,3-Propanediol by Coupling Method of Reaction-Extraction

反应萃取耦合法分离1,3-丙二醇中缩醛反应的研究

Research of preparing some acetal ( ketal ) by using Molybdophosphoric Acid

磷钼酸催化法制备某些缩醛（酮）的研究

Atom Transfer Radical Copolymerization of Unsaturated Cyclic Acetal with Styrene

不饱和环缩醛与苯乙烯的原子转移自由基共聚合反应

A Core-making Process Cured by Acetal Bottom Pouring Top Kiss Riser Gating System Casting Technology

乙缩醛工艺制芯的研究

Determination of Amide Acetal by Titration in Nonaqueous Solvent SPLIT-PHASE METHOD

非水滴定法测定酰胺缩醛

Phase transfer catalyst was used for synthesis of citral diethyl acetal , the yield has increased .

用相转移催化合成了柠檬醛二乙缩醛，提高了产率。

Synthesis of plant growth regulator of furfural ethylene acetal catalyzed by green catalyst NaHSO_4

昆虫生长调节剂取代双酰肼类化合物的合成NaHSO4绿色催化合成植物生长调节剂乙二醇缩糠醛

Research progress on catalytic synthesis of butyraldehyde 1,2-propanediol acetal

丁醛1,2-丙二醇缩醛催化合成研究进展

Preparation of Polyvinyl Alcohol / Polyacrylic Acid Pervaporation Membrane Modified by Blending and Acetal Reaction

渗透蒸发膜的研制&聚丙烯酸与聚乙烯醇等共混及其缩醛化

The synthetic method of acetylacetaldehyde dimethyl acetal suitable for the industrialization was introduced .

介绍了适合工业化的乙酰乙醛缩二甲醇合成路线。

Synthesis of Butyraldehyde 1,2-Propanediol Acetal Using Solid Superacid as Catalyst

固体超强酸催化合成丁醛1,2-丙二醇缩醛

A Study on Synthesis of Citral-glycol Acetal Catalyzed by Sulfamic Acid

氨基磺酸催化柠檬醛缩乙二醇的合成研究聚乙二醇单甲醚-琥珀酰基半胱氨酸的合成

Synthesis and application of glycerol cyclic acetal acrylates

甘油环缩甲醛丙烯酸酯的合成与应用