Study on Preparation of Nanometer Bismuth Oxide Powders by Vapor-phase Oxidation

Study on preparation of nanometer bismuth oxide powder

纳米三氧化二铋粉体的制备研究

Bismuth oxide is a advanced functional powder material, having wide application perspectives.

氧化铋是一种先进的功能粉体材料，应用前景广阔。

Preparation of Superfine Bismuth Oxide by High-Speed Shear Reactor

采用高速剪切反应器生产超细氧化铋工艺探讨

Study of a New Manufacturing Process of High Purity Bismuth Oxide

一种制备高纯氧化铋工艺的研究

Bismuth oxide thin films have been successfully fabricated on the stainless steel substrates by using pulsed laser deposition method for the first time.

首次采用355nm脉冲激光沉积在不锈钢基片上制备了氧化铋薄膜。

Development and Production Practice for Manufacturing Electronic-grade Bismuth Oxide

电子工业用氧化铋生产工艺的开发与实践

Preparing Bi_2O_3 from Bismuth Powder in the Chloride System

精铋粉氯盐体系中制取氧化铋

Study on recovering lead and bismuth from lead chloride slag

从氯化铅渣中回收铅铋的研究

Novel rare-earth contained bismuth telluride thermoelectric materials were prepared by solvothermal synthesis at 180 ℃ using bismuth chloride, tellurium powder and lanthanum chloride or oxide as starting materials, and the following hot uniaxial pressing ( HUP), 400 ℃, at 50() MPa for 1h.

以氯化铋、碲粉、氯化镧或氧化镧为原料，采用180℃溶剂热合成和400℃、50MPa、1h热压技术制备了含稀土的新型Bi2Te3基热电材料。

It is at the intermediate stage from bisexual to monosexual flower and belongs to the sexual system of sub-monosexual dioecy.

由此认为：高山红景天正处于由两性花向单性花进化的过渡阶段，属于亚单性异株的性系统。

In this paper, we focus on the morphological transition from bisexual to unisexual flower development in A.altissima.

臭椿单性花的形成是由于两性花中雌蕊原基的退化所造成，其机理有待于进一步研究。

A preliminary study on development of 'shuang you' bisexual flower grape ( vitis amurensis rupr.) berries

‘双优’两性花山葡萄浆果发育的研究

The two kinds of flowers ( male flower and bisexual flower) have similar structures of floral organ during the early stage of sex differentiation.

在花性别分化的早期即两种类型花在蕾期时，花器官结构基本相同，雄蕊、雌蕊都存在。

In the seed vine sexual system, the bisexual flower account for 67.3%, the polygamous flower 5.1%, the dioecism 20%, and the monoecism 7.5%.

两性花类67.3%，杂性花类5.1%，单性花27.5%，雌雄异株种数多于雌雄同株。

Three methods are discussed to solve the one pursue two problem, they are course method of the initial angular bisector, course method of the instantaneous angular bisector and mid-point path method.

解决一追二问题的方法共讨论了三种：初始角的平分线航向法、瞬时角的平分线航向法、中点轨迹法。

A Proof of the Conjectured Inequality on Angular Bisector

一个角平分线猜想不等式的证明

Two Inequalities and Some Guesses on Angular Bisector

角平分线的两个不等式与若干猜想

Two Inequalities for Triangle's Median and Inner Angular Bisector

关于三角形中线与内角平分线的两个不等式

The Inverse Form of an Angular Bisector Inequality and Other Inequalities

一个角平分线不等式的逆向形式及其它

A General Building Algorithm for Angular Bisector Network

一种通用的角平分线网络构造算法