烧结性

At the same time, the content of MgO of BF slag to increase 0.35 % reached 7.8-8.0%,the meltability temperature and viscosity of slag reduced, the fluidity of slag from 115mm impromed to 170mm, the iron loss from 7.09% decreased 5.15%, pig iron yield decreased 18t/d ,and comprehensive coke ratio declined 6.57kg/tp by indexes correction, effects of saving coke was significant ,and technical parameters of sinter and BF were optimized and improved,so that the content 7.8-8.0%of MgO of BF slag is suitable level.

高炉渣中MgO 含量提高0.35%达到7.8-8.0%，炉渣熔化性温度与粘度下降，炉渣流动性由115mm提高到170mmm，铁损由7.09%降低到5.15%，校正后产量小幅了下降18t/d，但综合焦比下降了6.57kg/tP，节焦效果显著，同时烧结与高炉的工艺参数得到优化与提升，炉渣MgO含量7.8-8.0%为较适宜水平。

The study has shown that MgO has different rules on sinter reducibility at 850℃ and 1220℃, i.e.,it promotes reducibility of sinter at 850℃ and restrains sinter reduction at 1220℃.

研究表明，MgO对烧结产物还原性的影响，在850℃和1220℃显示出不同的规律，低温下抑制铁氧化物的还原，高温下有利于还原性能的改善。

The milled powders were sintered in a vacuum hot-pressing furnace in a reducing atmosphere.

经机械合金法制备之粉末，在还原性气氛中热压烧结制成块材。

A method of production of a reduction resistant dielectric ceramic composition having a superior low frequency dielectric characteristic and further improved in accelerated lifetime of insulation resistance, specifically a method of production of a dielectric ceramic composition containing a main component including a dielectric oxide of a specific composition, a first subcomponent including a V oxide, a second subcomponent containing an Al oxide, a third subcomponent containing an Mn oxide, and a fourth subcomponent containing a specific sintering aid in a specific ratio, including a step of mixing at least part of the materials of the subcomponents excluding one or both of at least the material of the third subcomponent and material of the fourth subcomponent with the starting materials prepared for obtaining the material of the main component to prepare the pre-reaction material, a step of causing the prepared pre-reaction material to react to obtain a reacted material, and a step of mixing the materials of the subcomponents excluded when preparing the pre-reaction material with the obtained reacted material to obtain a dielectric ceramic composition.

本发明提供一种介电陶瓷组合物的制造方法，其中介电陶瓷组合物以特定的比例含有如下成分：含有特定组成的介电体氧化物的主成分，该主成分可以提供具有优异的低频率介电特性的、绝缘电阻的加速寿命进一步提高的耐还原性介电陶瓷组合物的制造方法，含有V氧化物的第1副成分，含有Al氧化物的第2副成分，含有Mn氧化物的第3副成分，以及含有特定的烧结助剂的第4副成分；该方法包含如下工序：将至少除去第3副成分的原料和第4副成分的原料的一种或两种的其它副成分原料的至少一部分，与为了得到主成分原料而准备的起始原料混合，准备反应前原料的工序；使准备的反应前原料反应而得到反应后原料的工序；以及在所得的反应后原料中，混合在准备反应前原料时除去的副成分原料，得到介电陶瓷组合物原料的工序。

We used ITO glass substrate and high purity（99.99%） titanium , put to use sputtering process, add to high purity O2 make it complete the best structure film and the thickness about 1400 . By way of 500℃ anneal could got a better anatase phase, this result could easy reaction with electrolyte to increase electron-transferred. Used as spin casting covering PR on ITO substrate, transferring patterns of array circular shapes on a mask to photography, used optimize temperature and time to hard bake. Finally used HCl to etching underexposed TiO2 area, and acetone to tripper top PR, make it to accomplish pillars shape TiO2 electrode.

本研究使用ITO玻璃基板为底材在以高纯度钛(99.99%)为靶材，利用溅镀方式通入纯氧使其行成高纯度TiO2镀於ITO基板上行成厚度约1400的薄膜，且经500℃高温烧结使其行成最强的锐钛矿结晶相，此晶相有利於与电解液反应进而增加电子的转移，提升太阳能电池最佳的效率，在以旋转涂布方式铺上光阻，以矩阵排列的圆孔光罩曝光、最佳的温度及时间来烘烤、显影后；使用盐酸以等向性湿蚀刻方式蚀刻未曝光之TiO2区域，最后利用鈵铜将最上层光阻去除，使其行成柱状TiO2的电极。

The optimal idle time of polyreaction and gel time can be determined by changing initiator content,temperature and acetylacetone content to make sure the casting process can be done successfully.

通过改变引发剂用量、环境温度以及缓凝剂用量可以控制聚合反应的诱导期，从而保证浇注过程的顺利进行，有利于制备均匀性好、致密度高的反应烧结B_4C/SiC陶瓷坯体。

To find and confirm the most effective preparing technology, the effect of sintering temperature and calefactive velocity upon mechanical properties and microstructures of the materials before and after infiltration were studied. In order to control the coefficient of thermal expansion and colors of the glass as well as the fluidity and infiltration property of the melted glass, we modified the formula of the glass.

在材料制备的同时，研究和比较了氧化铝升温速率及烧结温度对玻璃渗透前后材料的力学性能和微观结构的影响，以期寻求最佳的制备工艺；并改进渗透玻璃配方，以调控玻璃的热膨胀系数和颜色以及在高温下的流动性、浸润性。

The bonding phase of self-fluxing sinter used before was composed predominately of cuspidine and hyaline, mechanical strength of which as well as their bonding strength with respect to magnetite are rather weak.

自熔性烧结矿的胶结相主要由枪晶石和玻璃体所组成，两者的机械强度都较低，对磁铁矿的相对胶结强度也较小。

The results showed that the three kinds of prealloy powder have excellent low temperature sintering characteristics and good wear resistance. They have excellent physical and mechanical characteristics close to ultrafine cobalt and imported prealloy powder, good retention to diamond and excellent bonding momental for high frequency brazing. At one time, they have lower cost and reduced dosage.

结果表明：三种预合金粉末有着优良的低温烧结性能和耐磨性，表现出接近于超细钴和相当于国外代钴粉末的优良的物理、机械性能，对金刚石把持力高；具有高的高频钎焊结合力矩；粉末成本较低，用粉量可降低。

The effect of high silicon low iron material on softening temperature,balling index,quality and output of sintering ore was investigated.

分析了高硅低铁物料对铅锌矿软化温度、成球性指数、烧结矿质量与产量的影响。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐