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- A method for determining hydroxyl value of epoxy-containing polyester,namely acetyl chloride method is introduced. 介紹了一種含環氧基聚酯的羥值測定方法,即乙醯氯法。
- The mono-component phthalate agent method is not stable for determining hydroxyl value of wood solution. 在使用單組分醯化試劑測定木材溶液羥基值時,數據穩定性差。
- The acid value, hydroxyl value and saponification value of the products were determined and compared by chemical analysis methods. 經化學方法分析了系列聚酯增塑劑的酸值、羥值和皂化值。
- The hydroxyl value analysis of acrylate-styrene copolymcr solution by usillg acetylchloride as an acetylating agent is discussed. 結合對體系所含雙氧水濃度的測定，以乙醯氯法測量了合雙氧水的丙烯酸酯-苯乙烯共聚物溶液體系的聚合物的羥值。
- The hydroxyl value of epoxy-containing polyester was determined by analyzing acetification principle and using acetyl chloride as acetifier and methylene chloride as solvent. 通過對其醯化原理分析,選用乙醯氯作醯化劑、二氯甲烷作醯化溶劑,測定含環氧基聚酯的羥值。
- Adopt in g the method to mensurate acid number,hydroxyl value and saponification value i n processing lubricant oil determines the contents of additives in lubricants. 採用測定工藝潤滑油中酸值、羥值、皂化值的方法來測定潤滑油中添加劑的含量。
- Hydroxyl values of straw alkali lignin and modified lignin resin were determined by potentiometric titration in suitable composite acylation system. 選用合適的複合醯化體系,通過電位滴定,測定了工業鹼木質素及其改性樹脂的羥值。
- Keywords polyglycerol;hydroxyl value;determination; 聚甘油;羥值;測定;
- Acylation Methods of Determining the Hydroxyl Value of Polyether 淺談醯化法測定聚醚多元醇羥值
- Standard Test Method for Hydroxyl Value of Fatty Oils and Acids 脂肪油和脂肪酸羥基值的試驗方法
- A little crack detracts from the value of the vase. 小小的裂痕減損那個花瓶的價值。
- Testing method for hydroxyl value of fatty oils and acids 脂肪酸羥值測定方法
- Improvement on measuring hydroxyl value of nonionic surfactant 非離子表面活性劑羥值測定方法的改進
- Keywords DBE;Free NCO content;Active hydroxyl value; 遊離NCO含量;活性羥基值;
- I set a high value on his advice. 我認為他的忠告很有價值。
- Keywords polyurethane;polyisocyanate;hydroxyl value;acid value; 聚酯型聚氨酯;多異氰酸酯;羥值;酸值;
- The value of your assistance is inestimable. 閣下鼎立相助之功不可勝言。
- high-solid low-viscosity resin with high hydroxyl value 高固高羥低黏樹脂
- I am doubtful about the value of your proposal. 我懷疑你的提議是否有價值。
- I can take nothing you say at face value. 我不會把你說的話當真的。
