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1)  melilite [英]['melilait]  [美]['mɛlə,laɪt]
黄长石
1.
Nitrogen-contaming rare earth melilite solid solutions R2Si3-xAlxO3+xN4-x (R=Nd, Dy, x=0,0.
用无压烧结工艺,在1500~1750℃制备了含氮稀土黄长石固溶体R2Si3-xAlxO3+xN4-x(R=Nd,Dy,x=0,0。
2.
Nitrogen-contatining rare earth melilite solid solutions of R_2Si_(3-x)Al_xO_(3+x)N(4-x) (R=Nd, Sm,x=0, 0.
用热压和无压烧结工艺,在1700~1800℃制备了含氮稀土黄长石固溶体R_2Si_(3-x)Al_xO(3+x)N(4-x)(R=Nd、Sm,x=0、0。
3.
The formation and solubility of rare earth element N-containing melilite solid solution were studied by preparation of specimens with the general formula R2Si3--xAlxO3+xN4-x (R=Nd,Sm,Gd,Dy and Y) byhot pressing and pressureless sintering in the temperature interval 1600-1700"C.
研究了由通式R2Si3-xAlxO3+xN4-x(R=Nd,Sm,Gd,Dy和Y)表示的含N稀土(及Y)-黄长石固溶体的形成和固溶度,在1600~1750°C温度范围内,由热压和无压烧结制备了0<x<1。
2)  hardystonite ['hɑ:distə,nait]
锌黄长石
1.
The studied results show that feather-like hardystonite crystallizes in R2O-CaO-ZnO-Al2O3-SiO2, systems and the macrocrystalline of it will be gotten in the low concentrations of SiO2 and Al2O3, It is evident that the tendency towards the crystallizing of Hardystonite decreases with the equimolecular substitution of K2O by Na2O when the .
本文通过大量的配方实验和OM、XRD分析,系统研究了R2O- CaO- ZnO- Al2O3-SiO2系统锌黄长石析晶与组成和热处理温度间的相互关系。
3)  akermanite ['ækə:mənait]
镁黄长石
1.
Pure akermanite (Ca_2MgSi_2O_(7)) powders were synthesized by sol-gel method and two-step precipitation method, respectively.
通过溶胶凝胶法和两步沉淀法分别合成镁黄长石(Ca2MgSi2O7)粉体,并通过模拟体液浸泡对这两种方法合成的镁黄长石的体外生物活性进行比较。
2.
It is found that disil icate of akermanite structure and silicate of okenite structure doped with Eu 2+,Ln have the best afterglow properties.
研究发现:Eu2+,Ln共激活的镁黄长石结构的焦硅酸盐化合物和镁硅钙石结构的硅酸盐化合物的余辉发光性能最好。
4)  gehlenite ['ɡeihli,nait]
钙黄长石
5)  melilite [英]['melilait]  [美]['mɛlə,laɪt]
黄长石<冶>
6)  meliphanite
蜜黄长石
补充资料:黄长石
分子式:
CAS号:

性质:分为铝黄石Ca2Al[SiAlO7]和镁黄长石Ca2Mg[Si2O7]两种。两者为连续类质同像。其化学组成为Ca2(Mg、Al)[(SiAl)SiO7]。四方晶系,呈板状或柱状晶形,有时为不规则的粒状。颜色为密黄色或褐色。硬度5~6。密度2.9~3.1g/cm3。平行{001}解理中等,{110}解理不完全。产于基性碱性火成岩中。在碱性岩与石灰岩的内外接触带中也有发现,在水泥及高炉矿渣中亦常发现。用于提取钙(或镁)或制作铝砖。

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