The results showed that MLDH and product MLDH-FU belonged principally to a six square crystal series (R-space group), were magnetic compoundcrystal phase mixed trace iron oxide.
结果表明，MLDH及离子交换产物MLDH-FU是以六方晶系为主、混杂微量氧化铁的磁性复合晶相；
2
The title compound C11H10O4 has been synthesized and its crystal structure was determined by single - crystal X-ray diffraction.
标题化合物c11 H 10o4的晶体结构用x -射线单晶衍射法测定。
3
Transition metal nitrides belong to a class of interstitial compounds, have the properties of covalence compound, ion crystal and transitional metals.