查询词典 sinters

In thiswork,pure tungsten powder compacts in steel mold,then sinters at high temperature,and at last it is infiltrated and covered with coppertoge

结果表明，钨骨架强度高，钢呈网状分布，基体组织细小均匀，气体含量低，覆铜层与钨铜基体结合紧密，从而满足了使用要求，降低了成本，获得了

By controlling FeO and quicklime content, and improving the permeability and oxidation atmosphere of the sinter bed, the sinters with calcium ferrite as main binding phase can be produced.

采用控制混合料中氧化亚铁含量进行配矿，保证生石灰用量，改善料层透气性和氧化性气氛等措施，可以获得以铁酸钙为主要粘结相的烧结矿。

The thermal decomposition and phase inversion processes of the gel precursors, crystal structure, phase stability against reduction and microscopic morphology of the sinters were studied by using TG/DTA, FTIR, XRD and SEM.

通过TG/DTA， FTIR， XRD， SEM和直流四引线法系统研究了凝胶前驱体的热分解及其相转化过程和烧结体的结构、相稳定性、微观形貌、电导率以及电输运机制。

The differences of the micro structure and properities of the bulk sinters, between the fabrication methed of powder metallurgy and reactive synthesis for silver tin oxide composite, are studied in prensent thesis. With the increase of the tin oxide content in silver matix, the electric conductivity of the composite tended to decreace. While in the same tin oxide content, the electric conductivty of the composite fabricated by reactive synthesisis better than that by powder metallurgy. One of the reasons is that the regular net structure existing in former composite.

研究了两种方法即粉末冶金法和反应合成法制备的银氧化锡复合材料烧结坯在组织上的区别和性能上的差异，两种方法制备的银氧化锡复合材料，随着氧化锡含量的升高，材料导电性均呈下降趋势，而相同成分的材料，反应合成法制备的银氧化锡复合材料的烧结坯的导电性要优于粉末冶金法，有规则的网络状组织结构是反应合成法制备的烧结坯导电性好的原因之一。

Consequently, the permeability of cohesive zone in blast furnace can be improved and the total pressure drop in blast furnace can be decreased by use of such sinters. In order to ensure proper MgO content in the BF slag and improve the RDI of sinter, a new process of adding MgO in BF is proposed.MgO; sinter; blast furnace; cohesive zone

本文考察了MgO对烧结工艺及烧结矿冶金性能的影响，提出了合理添加MgO新工艺的建议。1 MgO对烧结工艺的影响1.1 烧结试验在实验室条件下，以各种铁精矿粉为原料，使用j6150 mm烧结杯系统，考察MgO含量对2种碱度(R=1.36和R=1.76)烧结工艺的影响，烧结试验中的MgO以白云石的形式添加，MgO的质量分数分别为1.3 、1.7％、2.1 、2.6 和3.0％，其他烧结工艺参数见表1.1.2 试验结果及。。。。。。

The results indicated that BaCe0.8Ho0.2O(subscript 3-α) sinters are of single-phase structures of orthorhombic perovskite. In the temperature range of 600~1000℃, the nonstoichiometric materials (x=1.03 and 0.97) have higher conductivities in wet hydrogen and wet air and better performances of hydrogen-air fuel cells than the stoichiometric one (x=1). In this series, BaCe0.8Ho0.2O(subscript 3-α) has the highest conductivities 2.10×10^(-2Scm^(-1) in wet hydrogen, 3.46×10^(-2) Scm^(-1) in wet air, at 1000℃ and the maximum power output density 122 mWcm^(-2 at 1000℃.

结果表明，在600~1000℃温度范围内、湿润氢气和湿润空气气氛中，该系列材料的电导率随温度和钡离子含量的变化均与以该系列材料为固体电解质的氢－空气燃料电池性能随温度和钡离子含量变化的次序一致，即：非化学计量组成材料BaCe0.8Ho0.2O(下标 3-α)(x=1.03， 0.97)具有较化学计量组成材料BaCe0.8Ho0.2O(下标 3-α)(x=1)高的电导率和氢－空气燃料电池输出功率密度，其中BaCe0.8Ho0.2O(下标 3-α)有最高的电导率（1000℃时、在湿润的氢气气氛中：2.10×10^(-2)Scm^(-1)；在湿润的空气气氛中：3.46×l0^(-2)Scm^(-1)）和最大的氢－空气燃料电池输出功率密度（1000℃时：122mWcm^(-2)）。

The boron type delay composition column was tested under overload with a high acceleration and the combustion process was memorized by high speed photography. The results indicated that the layer-type outcomes were observed in the combustion process when the content of B was more than 12%, and that the outcomes were liquid sinters when the content of B was 8%.

针对高过载下处于燃烧状态的延期药的燃烧特性，本文应用Hopkinson压杆实验装置对B-BaCrO_4延期药药柱进行高加速度过载加载实验，同时使用高速摄影进行录像跟踪，记录其燃烧过程。

CaO and kaolin were mixed with SiO_2 and then sintered according to /[SiO_2] mole ratio 1 or 2,respectively.The components and reaction rates of the sinters were detected and then leached in NaOH Na_2CO_3 NaAlO_2 solutions to know the reaction properties.

研究了氧化钙和高岭土以/[SiO_2]摩尔比1和2分别和二氧化硅混合烧结时烧结料的组成和烧结反应率，并将烧结料用NaOH、Na_2CO_3、NaAl_4溶液进行溶出，考查其反应特性。

Being high in Li, Be, Mo, Ga, Rb and Cd contents and low in Cu, Pb and Zn contents in sinters of gold mineralization can be used as an indicator for further prospecting.

地表热泉沉积物主要是硅华和钙华及其过渡类型，大多数是硅华和钙华的混合堆积物。

Farther X-Ray diffraction, SEM, spectro-meter analysis reveals that the element Cr which sinters and induces phase transformation leads to relatively smaller oxide weight-loss of 40Cr, then the oxidation laws of two steels are surmarized.

用XRD、SEM、EDS等方法对两种钢的氧化皮进行分析，得出40Cr钢氧化失重率相对减小的原因是因为Cr合金元素的烧结引起的相变所致。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失