Disordered kalsilite KAlSiO4

Kremenovi; Aleksar; Vuli; Predrag

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Disordered kalsilite KAlSiO4

机译：紊乱的钾铝石KAlSiO4

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The X-ray powder diffraction pattern that corresponds to the disordered state of kalsilite (potassium aluminium orthosilicate), KAlSiO4, is investigated. The directionality of (Al,Si)O4 tetrahedra within single six-membered tetrahedral ring building units (S6R) could not be defined. With equal probability for the directionality of each tetrahedra within one S6R [free apex pointing up (U) or down (D)], an undefined sequence of U and D directionalities is needed to describe the S6R building units. The extinction conditions of disordered kalsilite are also different compared to ordered kalsilite within the space group P63. In disordered kalsilite, h0l and hhl reflections with l = 2n + 1 are systematically absent.

机译：研究了与钾铝石（正硅酸钾铝）的无序状态KAlSiO4相对应的X射线粉末衍射图。无法确定单个六元四面体环结构单元（S6R）中（Al，Si）O4四面体的方向性。对于一个S6R中每个四面体的方向性[自由顶点向上（U）或向下（D）]具有相等的概率，需要使用不确定的U和D方向序列来描述S6R构建单元。与空间群P63中的有序硅藻土相比，无序硅藻土的灭绝条件也有所不同。在无序的钾盐岩中，系统地不存在l = 2n +1的h0l和hhl反射。

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《Acta crystallographica. Section C, Structural chemistry.》 |2014年第3期|共4页
作者
Kremenovi; Aleksar; Vuli; Predrag;
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正文语种 eng
中图分类晶体学;
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crystal structure; kalsilite; potassium aluminium orthosilicate; disorder; tetrahedra directionality; powder diffraction;

机译：晶体结构;硅铝石;原硅酸钾铝;无序;四面体方向性;粉末衍射;

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专利

1. Disordered kalsilite KAlSiO4 [J] . Kremenovi, Aleksar, Vuli, Acta crystallographica. Section C, Structural chemistry. . 2014,第3期

机译：紊乱的钾铝石KAlSiO4
2. SYNTHESIS AND CHARACTERIZATION OF KALSIO4 POLYMORPHS ON THE SIO2-KALO2 JOIN .2. THE END MEMBER OF ANA TYPE OF ZEOLITE FRAMEWORK [J] . Dimitrijevic R., Dondur V. International Journal of Quantum Chemistry . 1995,第1期

机译：SIO2-KALO2连接体上的KALSIO4聚合物的合成与表征2。 ANA型沸石框架的最终成员
3. Mechanochemically synthesized kalsilite based bioactive glass-ceramic composite for dental vaneering [J] . Pattem Hemanth Kumar, Vinay Kumar Singh, Pradeep Kumar Applied Nanoscience . 2017,第6期

机译：机械化学合成的钾盐基生物活性玻璃陶瓷复合材料的牙科护理
4. Kalsilite Based Biodiesel Heterogeneous Catalyst [C] . Guang Wen, Zifeng Yan American Chemical Society National Meeting Exposition . 2011

机译：基于Kalsilite的生物柴油异质催化剂
5. Crystal chemical and structural analyses of some common rock-forming minerals: Spinel, kalsilite, clinopyroxene and olivine. [D] . Uchida, Hinako. 2009

机译：某些常见的成岩矿物的晶体化学和结构分析：尖晶石，钾盐石，斜辉石和橄榄石。
6. Clinical Practice Guideline for the Treatment of Intrinsic Circadian Rhythm Sleep-Wake Disorders: Advanced Sleep-Wake Phase Disorder (ASWPD) Delayed Sleep-Wake Phase Disorder (DSWPD) Non-24-Hour Sleep-Wake Rhythm Disorder (N24SWD) and Irregular Sleep-Wake Rhythm Disorder (ISWRD). An Update for 2015: An American Academy of Sleep Medicine Clinical Practice Guideline [O] . R. Robert Auger, Helen J. Burgess, Jonathan S. Emens, 2015

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7. The crystal structure of high temperature form of kalsilite (KAlSiO4) at 950.DEG.C. [O] . A. KAWAHARA, Y. ANDOU, F. MARUMO, 1987

机译：950.deg.c的Kalsilite（Kalsio4）的高温形式的晶体结构。

Disordered kalsilite KAlSiO4

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