2) Y-211 particle
Y-211粒子
1.
The SEM observation of specimens indicates that doping of Y2O3 powder is more effective than Y-211 particles in improving the growth quality of melt-textured YBC.
扫描电镜观察结果表明,掺杂Y_2O_3所形成的Y-211粒子是柱状的,而掺杂Y-211在母体材料中是球形的,其尺寸接近纳米粒子。
3) omega particle
y 粒子
4) Y-211 particles distribution
Y-211粒子分布
5) zeolite Y
Y分子筛
1.
The effect of different hetero-atoms on the crystallinity of zeolite Y was characterized by XRD and SEM.
本研究将多种具有较好加氢反应活性的过渡金属杂原子引入Y分子筛骨架中,并择优进行两两复配,合成出了结晶度较好的NiTiY、CoTiY等双杂原子Y分子筛,并采用XRD、SEM等方法对合成的单、双杂原子分子筛进行表征,考察了单个杂原子以及两种杂原子复配对Y分子筛结晶度的影响。
2.
Two zeolite Y samples with different framework Si/Al ratio were studied by solid state NMR method.
不同次邻近铝含量可导致改性后Y分子筛酸中心性质的较大差别,较高Si/Al比Y分子筛焙烧脱羟时可能出现三配位铝。
6) Y zeolite
Y分子筛
1.
Bimetallic catalysts (Pt-Pd, Pt-Ir) supported on Y zeolite were prepared and the structures of their active components were characterized by using TPR and pyridine-adsorbed infrared spectroscopy.
制备了Y分子筛负载的Pt-Pd和Pt-Ir2种双贵金属催化剂,采用程序升温还原法和吡啶吸附傅里叶红外光谱法表征了催化剂活性相的结构。
2.
Catalyst for hydrogen chloride oxidation supported on Y zeolite with active ingredient of copper and assistant of rare earth oxide mixture and potassium was prepared.
制备了以Y分子筛作为载体,铜为活性组分,混合稀土氧化物及钾为助剂的氯化氢氧化催化剂,实验考察了催化剂粒径、HCl和O_2体积比、反应温度等对氯化氢氧化反应的影响,进行了催化剂寿命试验。
3.
The effects of surface acid properties of Y zeolite on the solid state interaction between ZnCl 2 and Y zeolite with different ion exchange degrees of Na + by H + under microwave irradiation (MWI) were investigated.
采用XRD和原子吸收光谱法研究了微波作用下分子筛表面酸性对ZnCl2 与Y分子筛固态相互作用的影响 。
补充资料:初级粒子和原级粒子
分子式:
CAS号:
性质:又称初级粒子和原级粒子。利用各种化学反应方法得到的最初粒子(晶粒)。一次粒子的大小约为0.005~1μm,比筛分的极限小得多,在介质中有相当高的稳定性。
CAS号:
性质:又称初级粒子和原级粒子。利用各种化学反应方法得到的最初粒子(晶粒)。一次粒子的大小约为0.005~1μm,比筛分的极限小得多,在介质中有相当高的稳定性。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条