烧结

Polyringlpyrrolidoneas a viscosity increaser is used to adjust the viscosity of the sols.When the molar ratio of PVP:Al(OC_3H_7)is up to 1:1,the viscosity of the PVP assisted sol increases from 2.3 to 31.5 mPa·s,and homogeneous,uniform and crack-free 1 mol%Er~(3+)-10 mol%Yb~(3+)codoped Al_2O_3 thin films with the thickness of 1.6μm are formed by 10 dipping and drying cycles sintered at 1000℃.

以聚乙烯吡咯烷酮为增粘剂，调节DCPA改性溶胶的粘度，PVP(K-90)：Al_3的摩尔比为1：1时，溶胶粘度由原始溶胶的2.3增加到含PVP溶胶的31.5mPa·s，仅经过10次循环提拉、干燥，1000℃烧结，制备出表面均匀完整，无开裂厚度约为1.6μm的1 mol%Er~(3+)-10 mol%Yb~(3+)共掺杂Al_2O_3薄膜。

Moreover,this research may be used to solve sintering terminal loop control and predict quality indicatrix relating to color and grain.

该方法还可用于解决烧结终点的闭环控制，以及与纹理和颜色相关的质量指标的预报。

This temperature measuring system has higher accuracy than the infra optic and pyrometer in the applied temperature range.

在微波烧结中的测温精度高于目前采用的光学高温计和红外光纤测温仪。

It may be ascribed to the increasing of intergranular glass phase and the existence of new phase.

m-1。随著烧结温度的提高，电导率下降，这可能是由于晶间玻璃相增多和新相出现造成的。

The effect of holding time on intergranular phase and mechanical property of GPS silicon nitride ceramics was studied.

研究了保温时间对气压烧结氮化硅陶瓷晶界相及力学性能的影响。

The results show that the particle size and porosity of cathode pellets are significant factors for three-phase interline during electrolysis process.

结果表明：阴极片的颗粒尺寸与孔隙率是影响有效三相界线的重要因素；孔隙率大和粒度小均有利于电解还原的进行，孔隙率小会导致阴极产物形成致密的金属钽外层，阻碍阴极进一步脱氧；成型压力4 MPa时1 150 ℃烧结2 h制备的阴极片具有合适的孔隙率和粒度，电化学活性良好，电解产物形貌均匀，氧含量低。

The formation,structure and properties of intermetallic compounds were studied using Ni-Sn powder sintered by powder metallurgy method.

对镍粉和锡粉烧结形成金属间化合物的过程、结构特征以及烧结体的性能特点进行了研究。

A plausible charge distribution of Fe and Mo valence states is proposed, and the stability of the compounds is discussed. Polycrystalline samples of 〓(0.8≤x≤1. 5) are prepared by solid-state reaction at high temperature. The alteration of the relative content between Fe and Mo in 〓 exhibits a significant effect on the crystal structure and the ionic ordering of the compounds.

采用传统高温固相烧结反应法合成了非化学配比的双钙钛矿型〓系列化合物。X射线粉末衍射数据分析结果表明，非化学配比的双钙钛矿结构〓（0.8≤x≤1.5）系列化合物的晶体结构随着Fe含量x的变化在x=1.2附近有一个由四方14/mmm对称向立方Fm〓m对称的结构结构相变发生。

He electrolyzing process proceeds smoothly, based on the integrated mechanism of activating the TiO2 cathode. The activated TiO2 cathode can be obtained by forming electric conduction vacancy at high-temperature sintering, the TiO(subscript 2-x) ionic structure by electric double layer, and ions infiltrating to the interior of the electrode.

iO2电极的活化可通过高温烧结产生的导电空位、双电层形成的离子结构及渗透到电极内部的熔盐离子来实现，使FFC工艺中的电解得以顺利进行。

Grinding wheel is usually mounted on surface grinding machine, external circular grinding machine and internal circular grinding machine, and can also be mounted on grinding wheel machine, knife grinder and universal cutter grinder for grinding of cutting tool. According to different functions, grinding mode and type of grinding machine, grinding wheel is manufactured into ones with all kinds of shapes and sizes, and common grinding wheel includes plane grinding wheel, cylinder grinding wheel, double hypotenuse grinding wheel, cup grinding wheel, flaring cup wheel, disc wheel, centerless grinding wheel, etc. The types of products include external circular, plane and centerless grinding wheels used for f

公司的产品类型有用于钨钢硬质合金的精粗磨削加工的外圆磨、平面磨、无心磨砂轮；有用于陶瓷、氧化锆白陶瓷、黑陶瓷行业的CBN/SDC金刚石平形砂轮、精密切割片、平行加强形砂轮和开槽电镀磨头；用于钢化玻璃，灯饰玻璃，水晶玻璃，磁性材料行业的CBN/SDC金刚石精密切割片，青铜磨盘，青铜切割片，平行双粒度磨盘和小磨头，深加工行业的CBN电镀和烧结磨轮、抛光磨盘；用于高速钢，45#钢的剪刀、锯片、刀片的精粗加工，用于加工硅片材料、铁氧体及其他材料的金刚石工具；以及其他行业需要的各种要求的非标金刚石工具。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。