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- The acetyl derivative and the silicane derivative of hyperbranched aliphatic polyesters with terminal hydroxy group were prepared.The effect of terminal groups on the properties was studied. 对端羟基脂肪族超支化高分子的端基进行了乙酰化和硅烷化改性,研究了不同端基对超支化高分子的玻璃化温度,折光指数增量以及特性粘度的影响。
- The company is also constructing specialty acetyl derivatives units to produce vinyl acetate ethylene emulsions and conventional emulsion polymers. 该公司还兴建的专业单位乙酰衍生物生产乙烯醋酸乙烯乳液和常规乳液聚合物。
- Study on the quantum chemical calculations is performed by means of MNDO method on VAX8350 computer for rubescensine A and its acetylate derivative. 本文用MNDO方法在VAX8350计算机上对冬凌草甲素及其乙酰衍生物进行了量子化学计算研究。
- Determination of commercial glycerin by gas chromatography--acetylated derivative method 气相色谱法分析工业甘油--乙酰衍生物法
- Acetylated derivative 乙酰化衍生物
- An organic derivative, such as coal or petroleum. 有机衍生物一种有机衍生物,如煤或石油
- An acyl derivative of hydrazine. 酰肼一种由肼衍生而来的酰
- To bring an acetyl group into(an organic molecule. 乙醯化使乙醯化,把一乙醯基带入(一有机分子)之中
- Who knows what effect acetyl salicylic acid has? 谁知道乙酰水杨酸有什么作用?
- A mark used as a superscript to indicate the first derivative of a variable. 撇号置于右上角的符号,用以标明变量的第一个导数
- To bring an acetyl group into(an organic molecule). 乙醯化使乙醯化,把一乙醯基带入(一有机分子)之中
- The derivative of the step is the impulse. 阶梯的导数就是脉冲。
- Acetyl choline can how is sexual urticaria treated? 乙酰胆碱能性荨麻疹怎么治疗?
- A derivative is defined by a limiting process. 导数是通过一个极限过程加以规定的。
- Then prepare the acetyl ferrocene. 反应制得夹心结构的二茂铁。
- They spoke a derivative of the Malay language. 他们说一种从马来语派生的语言。
- An example of the acyl group is the acetyl group. 乙酰基是酰基的一个例子。
- A highly derivative prose style. 毫无创意的散文风格
- A derivative word;a derivative process. 衍生词;推导过程
- Not standing alone;derivative or dependent. 从属的,不独立的不独立存在的;衍生性的或依赖性的