陶瓷

It was capable to achieve feasible dielectric constant via introduce of impurities and meet demand.

通过引入适当的添加剂，可以获得介电常数可调的，满足实际需要的微波介质陶瓷。

Ceramic composite materials with dielectric constant less than 6 at frequencies from 100 Hz to 10,000 MHz

在100赫兹至10000赫兹的频率下，介电常数小于6的陶瓷复合材料

The purpose of this work was to search low loss microwave dielectric ceramic new system.

本文旨在寻找具有低损耗的微波介质陶瓷新体系。

The dielectric loss of the PLCT ceramics after polarization increases firstly, and then decreases with increasing frequency.

极化后的PLCT陶瓷的介质损耗，随频率的增加先升高，然后降低。

The effects of sintering temperature and holding time on their porosities, flexural strength, and dielectric properties were studied.

研究烧结温度和保温时间对Si3N4多孔陶瓷的微观结构、力学性能以及介电性能的影响。

The morphology and composition of coatings were investigated by X-ray diffraction and scanning electron microscopy.

利用扫描电镜和X射线衍射仪研究了陶瓷膜微观形貌和结构。

The phase compositions and the microstructures of the samples were investigated by an X-ray diffractometer and a scanning electron microscope,re...

研究结果表明，在氧化铝中添加ZrO2有助于改善氧化铝陶瓷的力学性能和耐磨性能。

Ceramic materials have the advantages of good chemical stability,high-temperature resistance,size stability and light diffuse reflection .

陶瓷材料具有良好的化学稳定性、耐高温性、尺寸稳定性、光漫反射特性等优点，在大功率激光器上有较好的应用前景。

All specifications apply for a diffusely reflecting matt white ceramic target....

最佳答案：所有的规格都适用于散射表面的无光泽白色陶瓷目标。

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。

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％。