烧结的

The phases and microstructure of the ceramics were studied by X-ray diffraction and scanning electron microscopy.

用X射线衍射和扫描电镜对陶瓷的物相和显微结构进行了研究，讨论了流延成型对坯体中晶须的分布状态的影响和烧结条件对所得到的块体的显微结构的影响。

An investigation onnew type burner with inclined intersection of gyrate air flow with gas flow,renovation on furnacestructure and regulation on the vaccum pressure of windbox under furnace are also presented.

介绍了以高炉煤气为主要燃料的新型烧结节能点火炉，叙述了新设计的斜交旋转多空气流烧嘴的研制、炉体结构的改造以及点火风箱负压的控制。

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。

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。

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。

A preparation method of nickel oxide-base cathode of fused carbonate fuel cell is to select alkali earth metal oxide, transition metal oxide and rare-earth metal oxide, mix with carbonyl nickel powder in the proportion of 0.01-15.00 mol%, add assistant and mix even into a slurry; after the slurry is formed into a biscuit by doctor-blade casting, sinter it into a multi-porous nickel plate; dissolve lithium nitrate and cobaltous nitrate with mole ratio of Li:Co-1:1 and citric acid or PVA in the distilled water to make a solution with Li of 0.00-0.5 mol/L; immerse the multi-porous nickel plate or nickel oxide plate in the solution, keep for 10-60 minutes under vacuum below 200 millibar, then dry in an oven at 75 degrees centigrade further transfer to a crucible electric furnace preheated 650 degrees centigrade for keeping the temp.

要約 熔融碳酸盐燃料电池氧化镍基阴极的制备方法属于燃料电池领域。选取碱土金属氧化物、过渡金属氧化物和稀土金属氧化物，按0.01－15.00mol％的比例与羰基镍粉混合，加入助剂，混合均匀成浆料；混合浆料流延成型为素坯后烧结为多孔金属镍板；将摩尔比为Li∶Co＝1∶1的硝酸锂和硝酸钴以及柠檬酸或聚乙烯醇溶于蒸馏水中，制成为0.005－0.5mol/L的溶液；将多孔金属镍板或氧化镍板浸入溶液中，在真空度低于200毫巴下保持10－60分钟；置于75℃的烘箱中烘干，转移至预热到650℃坩埚电炉中保温1－10小时；将此过程重复一次或多次即可。

The fundamental solution of this problem lies upon investigations on sintering the overfine (-325 mesh) concentrates, screening off the fines, prospect of using 100% pellets and new requirement of coke quality in large blast furnace.

问题的基本解决有赖于研究过细精矿(-325网目)的烧结，粉末的筛除，以及大型高炉使用100%球团的远景和对焦炭质置的新要求等。

With the increase of the additives, the flexural strength will be improved, but fracture toughness will decrease as the result of the strengthening of the interface between carbon fiber and matrix due to increase of grain boundary phase, which causes the failure of the pullout of fibers.

随着烧结助剂用量的增加，虽然复合材料的抗弯强度不断提高，但由于晶界相和AlN-SiC固溶体量的增加，使纤维与基体的结合过强，从而导致纤维不能发挥拔出作用，复合材料的断裂韧性值降低。

The mechanical properties,micromorpholgy microstructure of grain boundary and phase composition of Al_2O_3 composite ceramics were systematically studied ,the effect of additives,the relationship between microstructure and mechanical strength,the sintering mechanism of the material and influence factors of the structure and properties of Al_2O_3 composite ceramics were discussed respectively.

系统研究了氧化铝陶瓷的力学性能、微观形貌、晶界显微结构，并讨论了各添加组分的作用、材料显微结构与力学性能的关系以及材料的烧结机理和影响材料结构与性能的影响因素。

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