烧结的

The effects of different temperatures on compressive strength and bulk density were studied.

主要探讨了不同的烧结温度对试样的耐压强度和体积密度的影响。

By Vis-UV detector, column efficiencies of conically shaped preparative chromatographic columns with porous polytetrafluor oethylene frit and porous stainless steel frit were compared.

利用柱后可见-紫外检测，比较了采用多孔聚四氟乙烯材料和多孔烧结不锈钢材料作为台锥形制备液相色谱柱柱头筛板材料时的柱效；用柱上可视化方法研究了柱头筛板的直径对流型的影响。

To investigate the relationship between dandification mechanism of SiO2 particles and materials performance under different friction speeds, Cu-graphite-SiO2 sintered materials were prepared through powder metallurgy. The tests were conducted on a pin-on-disk tester in speed range of

摘 要：采用粉末冶金技术制备铜石墨SiO2烧结材料，利用销盘式摩擦试验机，在摩擦速度为7.8~47.1 m/s的范围内，研究SiO2在不同摩擦速度条件下的损伤机理及其与材料性能的关系。

Hydrogen Decrepitation has been used as an efficient and economical method in producing coarse NdFeB powder.

研究了氢对Nd-Dy-Fe-B磁体制作过程的影响，主要包括氢对HD磁粉的氧化和对其后烧结磁体磁性能的影响。

We used DGY 2 permanent measurement meter to measure the magnetic properties and demagnetization curve .

对 15 78B7基一系列不同工艺条件下制取的取向度不同的烧结磁体，用 X-射线衍射和磁性测量来分析永磁体织构和取向度与反磁化过程的关系，用 DGY- 2型永磁测量仪测试磁体退磁曲线。

The process of densification was studied and the relationship between dwell time and density was established.

深入探讨了复合陶瓷的致密化过程，建立了复合陶瓷的密度和烧结时间之间的理论关系。

Compared with traditional densification methods,the samples prepared by SPS have high density,high purity and fine microstructures.

与传统烧结方法比较，SPS制备的样品具有很高的致密度、纯度和良好的晶体结构。

The adding of La and Sr will lead to an increase in the content of the rhombohedral phase and in the degree of the phase diffuseness and the frequency dispersion.

研究了组成、掺杂和工艺等因素对压电和介电性能的影响，首次采用烧结后的退火工艺得到了一系列具有良好压电和介电性能的弛豫铁电陶瓷体系。

The result showed agglomeration temperature of nepheline was higher than of felspar adding a mensurable quartz could distinctly affect agglomeration performance of nepheline nepheline not only reduced agglomeration temperature of ceramic tile but also improved ceramic tile bending strength evidenfiy .

〔2〕加入一定量的石英对霞石烧结性能有显著的影响。〔3〕霞石替代长石不仅降低瓷砖烧成温度，对瓷砖抗折强度也有明显的改善。

The sinter electrode constructions are being slowly replaced by higher capacity structures such as a felted nickel fibril electrode structure.

烧结电极结构的电池逐渐被具有高容量的粘合纤维镍结构的电池所以取代。

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％。