高纯氧化铝

研究了MgO、Y2O3和La2O33种不同氧化物掺杂对高纯氧化铝致密化速率的影响。

The influences of doping with three oxides ( MgO ? Y 2O 3 and La 2O 3 ) on the densification rate of high purity alumina were studied in this paper .

高纯氧化铝与金属钛的钎焊

Brazing between high purity alumina ceramics and titanium

微波消解萃取光度法测定高纯氧化铝中Fe2O3的研究

Study on the determination of ferric oxide in high-purity alumina by extractive spectrophotometry combined with microwave digestion

因此，我们采用萃取光度法分别测定了高纯氧化铝中Fe2O3、SiO2含量，建立了Fe2O3、SiO2的化学分析方法。

Thus two methods to respectively determine Fe_2O_3 、 SiO_2 in high-purity aluminum oxide by extractive spectrophotometry have been developed .

以高纯氧化铝膜管为基体，以金属锌粉为原料，在高温下，用热CVD法在基体表面沉积形成了良好抑菌性能的氧化锌膜。

The zinc oxide layers were deposited on the tubular alumina oxide membranes by the heat CVD method using powders of metal zinc at high temperature .

本文采用粉末烧结法制备MgO-Al2O3-SiO2系堇青石微晶玻璃，以工业原料氧化铝、滑石、高岭土代替以前研究中所用的高纯氧化铝、氧化镁和二氧化硅，降低产品的成本。

MgO-Al2O3 - SiO2 cordierite glass-ceramics were prepared by sintering method in this paper .

采用NaCl和Na2CO3作复合助熔剂，结合回熔、坩埚套装方法，在高纯氧化铝刚玉坩埚中生长出毫米大小的常温反铁电体NaNbO3晶体；

NaNbO_3 crystals , several millimeters large in size , have been grown successfully in corundum crucible with high purity , which is attributed to a combination of composite fluxes of NaCl and Na_2CO_3 , melt-back process and imbedded crucibles .

采用柠檬酸发泡法合成具有纳米级的高纯氧化铝。

Nanometer and high pure alumina was synthesized by frothing method .

掺杂对高纯氧化铝致密化速率的影响

Influence of Doping on the Densification Rate of High-purity Alumina Ceramics

荧光级高纯氧化铝的制备和应用

Preparation and application of phosphor grade alumina with high purity

超微细高纯氧化铝及其水合物的制备

The preparation of superfine and high-purity alumina and its hydrate

制备工艺对高纯氧化铝陶瓷性能的影响

The influences of the manufacture processing on the properties of high-purity alumina ceramics

碱法高纯氧化铝微粉的制备

Production of highly pure alumina micro-powder by soda process

这种材料由水基的高纯氧化铝组成。

The material is composed of high-purity aluminum oxide in a water base .

高纯氧化铝陶瓷材料的焊接性能研究

Study of High Pure Alumina Ceramic to Metal Joining

异丙醇铝水解制备超微细高纯氧化铝

Ultrafine high-purity alumina prepared by hydrolysis of aluminium isopropylate

熔模离心法制备高纯氧化铝基质膜管

Preparation of high pure alumina tubular supported membrane by the meltable moulding centrifugal technique

系统地介绍了超细高纯氧化铝的制备方法。

The preparation methods of ultrafine high-purity alumina are systematically presented in this paper .

中和法制备高纯氧化铝微粉

High Pure Alumina Micropowders Prepared with Neutral Method

摩根高级陶瓷公司的点火器和传感器产品采用高纯氧化铝或块滑石生产。

Morgan 's ignitor and sensor products are based on high purity alumina or steatite .

以粉煤灰为原料制备高纯氧化铝

Extracting high-purity alumina from fly ash

高纯氧化铝陶瓷材料以其优良的性能及较低的制造成本，被广泛应用于国民经济各部门。

High purity alumina can be applied in many industries owing to its fine performances and low manufacture costs .

基于超细高纯氧化铝随着科学技术的发展需求量越来越大，也对其制备方法做了扼要叙述。

With the development of science and technology , the demand of ultra - fine , high - purity alumina powder is increased .

电真空应用中，要求高纯氧化铝与无氧铜的连接接头具有较高的强度和气密性。

The joints of high purity alumina ceramic and oxygen-free copper with high strength and low gas loakage are needed in electron tube .

介绍了以工业氢氧化铝或工业硫酸铝为原料制备高纯氧化铝微粉的方法。

The method with which high pure alumina micropowders are prepared as material of industrial aluminum hydroxide or industrial aluminum sulphate is introduced .

此外，作为拓展研究，分析了细化前后高纯氧化铝粉体的高温烧结性能。

In addition , we also analyzed the high temperature sintering properties of the raw and ground high purity alumina powders as expand research .

通常情况下，单质铝很难与水发生化学反应，利用专利技术可以用单质铝与纯水进行水解反应制备高纯氧化铝。

Aluminum usually doesn 't react with water . However , the patent technique can make aluminum react with water to prepare high-purity alumina powder .

高纯氧化铝粉体是纯度在99.99%以上的超微细粉体，作为一种精细化工产品在国内外发展极为迅速。

As a fine chemical material , high purity alumina powder that Al2O3 content exceeds 99.99 % are rapidly developed and widely used in all of the industries .

我国虽然在十多年前就已经开始工业化生产高纯氧化铝，由于没有相应的行业分析标准和国家分析标准，使得高纯氧化铝的质量检测实施难度较大。

Though high-purity aluminum oxide was brought about ten years ago in our country , it is still difficult to determine the impurities because there are no corresponding standards of industry and nation .

对制备氧化铝的活化过程、浸出过程和煅烧过程的化学原理与工艺控制进行了研究与分析，确定了制备高纯氧化铝纳米粉体的较佳实验条件和工艺参数。

We have prepared the ultra-fine aluminum hydroxide powders by a liquid chemical method , and conducted research on the processes of activation , lixiviation and calcination , we have obtained better technological conditions and preparing parameters .