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- Ten calix[4]resorcinarene azo derivatives were synthesized and purified and verified. Their absorptive properties and pK H were studied, too. 本文合成、提纯并初步鉴定了十种外向式杯[4]芳烃偶氮衍生物类新试剂,试验了其吸收光谱性质,测定了其酸碱离解常数。
- Applications of 8-hydroxyquinoline azo derivatives in metal ion analysis were discussed.There are 79references in this paper. 本文介绍了1990年前8-羟基喹啉偶氮衍生物在金属离子分析中的应用情况;并提供参考文献79篇.
- Eighteen 8 aminoquinoline 5 azo derivatives were synthesized,eleven of them are new compounds.Their colour reaction with cobalt was studied. 以8-氨基喹啉为母体合成了18个5-位偶氮衍生物,其中11个是新化合物。
- Keywords Calix[4] Resorcinarene azo Derivative;Synthesis;Absorptive Spectrum;pK H.; 外向式杯[4]芳烃偶氮衍生物;合成;吸收光谱;离解常数;
- 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
- Keywords aminoquinoline 5 azo derivatives;colour reaction;cobalt; 氨基喹啉5-位偶氮衍生物;显色反应;钴;
- azo derivative 偶氮衍生物
- An acyl derivative of hydrazine. 酰肼一种由肼衍生而来的酰
- 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
- The derivative of the step is the impulse. 阶梯的导数就是脉冲。
- A derivative is defined by a limiting process. 导数是通过一个极限过程加以规定的。
- They spoke a derivative of the Malay language. 他们说一种从马来语派生的语言。
- 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
- Synthesis and Absorptive Properties of New Calix[4] Resorcinarene azo Derivatives 几种外向式杯[4]芳烃偶氮衍生物新试剂的合成及其吸收光谱性质
- 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
- An amino - acid derivative of galactose. 半乳糖胺半乳糖的一种氨基酸衍生物
- Derivative that is thrown if the wait times out. 派生类,它在等待超时后即被抛出。
- Derivative works are far more complicated. 派生作品更加复杂。
- Nylon fastening tapes with AZO free are available for108 colours. 尼龙粘扣带不含偶氮染料,常备108种颜色的现货。