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十二烷基硫酸钠;混合胶团化;季铵盐Gemini表面活性剂C12-6-C12·2Br对SDS胶团化的影响 相似文献
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Spectral Parameters of Nd^3＋ Ion in Nd^3＋：NaGd（MoO4）2 Crystal 总被引：1，自引：0，他引：1
1 INTRODUCTION Since the diode-laser pumped solid-state lasers were found in a wide variety of applications in the fields of military, industry, medical treatment and scientific researches due to the advantages of high stability, compactness, high efficiency and long life- time, the research on more efficient new materials with improved spectral properties for diode pumping has become more important. Molybdate crystals with general formula M’Re(MoO4)2 (M’ = Li, Na, K) have been repor… 相似文献
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采用两步法制备了0.30Pb(In1/2 Nb1/2)O3-(0.70-x)Pb(Ni1/3Nb2/3)O3-xPbTiO3(PIN-PNN-PT,x=0.33,0.35,0.37,0.39)压电陶瓷.研究了PIN-PNN-PT压电陶瓷的相结构、介电、铁电和压电性能.研究表明位于准同型相界(MPB)的组分0.30PIN-0.33PNN-0.37PT具有最佳电学性能,其居里温度TC、压电系数d33、平面机电耦合系数kp、自由介电常数ε二介电损耗tanδ、剩余极化Pr、矫顽场EC分别为200℃、386 pC/N、50;、2692、0.045、34 μC/cm2、18 kV/cm.结果 显示PIN-PNN-PT三元系相比于PNN-PT有更高的居里温度,同时保持了优异的压电性能. 相似文献
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