The paper discusses the preparation of stearic bicine diester for sizing agent and its application in paper-making.
论述了双硬脂酰取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.
论述了双硬脂酰取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（对甘氨酰甘氨酸）
吩及其稀土镱、钐的配合物。元素分析、红外
、紫外可
、核磁共振和激拉曼等方法进行了表征。
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—二甘氨酸对5种金属离子的萃取能力强于N—正丁甘氨酸。
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