The paper discusses the preparation of stearic bicine diester for sizing agent and its application in paper-making.
论述了双硬代甘氨酸酯施胶剂的制备及其在造纸中的应
。
The paper discusses the preparation of stearic bicine diester for sizing agent and its application in paper-making.
论述了双硬代甘氨酸酯施胶剂的制备及其在造纸中的应
。
A new tetrakis( p glycylglycinephenyl)porphin and its rare earth (Yb,Sm) complexes were synthesized.They have been characterized by elemental analysis,UV vis,IR, 1HNMR and laser Raman spectra.
首次合成了一种新型的四(对甘氨甘氨酸)苯
卟吩及其稀土镱、钐的配合物。
元素分析、红外光谱、紫外可见光谱、核磁共振和激光拉曼光谱等方法进行了表征。
As shown by study the extracting powers of two extraction agents are changed with acidy of developer extracting power N,N-diphenyl glycine is stronger than N-n-butyl glycine for 5 metal ions.
N,N—二苯甘氨酸对5种金属离子的萃
能力强于N—
甘氨酸。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指。