Control on Crystal Forms of Ultrafine Barium Carbonate Particles and Study on its Mechanism

来源 :结构化学 | 被引量 : 0次 | 上传用户:hgq41102
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
Barium carbonate particles were prepared by using homogeneous precipitation method and co-precipitation method respectively. Through adding different crystalline controlling modifiers, Barium carbonate particles in five different shapes including linear, needle-like, pillarlike, sphere-like and dumbbell-like were synthesized. These particles were characterized by SEM and XRD, and their synthetic mechanism was discussed in this paper.
其他文献
通过共沉淀法获得包覆式A12O3-Y2O3/ZrB2复合粉体并对其进行放电等离子烧结来改善ZrB2陶瓷的烧结致密度和高温抗氧化能力。为了得到很好的包覆效果,在包覆过程中,必须使得ZrB
Using the molecular electronegativity distance vector descriptors derived directly from the molecular topological structures, the relative retention time (RRT)
A simple, fast and reliable method was developed for the analysis ofjinggangmycin A (validamycin A) in commercial formulations. The running buffer used was acet
目的:探讨食管癌术后营养支持护理方式.方法:回顾分析本科室2011年1月1日至2013年5月1日20例肠内和肠外联合营养支持的食管癌术后高龄患者(70岁及其以上)的护理方法,包括营养
目的:探讨米非司酮治疗子宫肌瘤的有效性与安全性.方法:收集需要保宫治疗的子宫肌瘤患者32例,给予米非司酮治疗,随访并分析患者治疗前后的临床资料情况.结果:治疗3个月后,子
A new mononuclear cadmium(Ⅱ) cryptate has been synthesized by [2+3] Schiff crystal structure, spectral characterization and molar conductivity show that cadmiu
目的:了解年轻群体不安全性行为的发生情况和HIV认知情况.方法:于2014年1月至2月期间在互联网上以电子邮件的形式发布调查问卷,并在网络数据库中搜集相关文献数据并根据数据
In this paper, we study the control problem of adiabatic decoherence in a three-level atom. We will find the decoupling bang-bang group for various configuratio
We theoretically investigate the optical absorption spectra and charge density by subjecting a GaAs quantum well to both an intense terahertz (THz)-frequency dr
A new sesquiterpene was isolated from transformation of curdione by cell suspension culture of Platycodon grandi florum. The structure of the new compound was e