查询词典 tetragonal

The SnO2 crystals exist mainly as tetragonal rutile structure, despite of some rhombic SnO crystals at temperature of 500°C.

在500°C下形成的SnO2薄膜晶粒主要是四方相金红石结构，也存在微量的斜方相SnO晶型结构。

This is mainly ascribed to the tetragonal phase increase and the rhombohedra phase decrease.

这主要是由于四方相增多，三方相减少，从而使弛豫铁电体变为正常铁电体。

Moreover,there exists a morphotropic phase boundary for the composition at x=0.33mol,and the rhombohedra phase and tetragonal phase co...

在该相界附近组成具有优异的介电和压电性能：εm~38000，Ec~5kV/cm，Pr~31.5μC/cm2，d33~500pC/N，这主要是由于宏观上的三方和四方两相共存，或微观上的微畴和宏畴共存引起的。

The results show this tetragonal system oxide is spherical with the mean grain size of 25nm and its dispersity is good. The study of sensor's gas sensing characteristic shows SnO2 has higher sensitivity (805) to 50×10^(-6) Cl2 at 300℃ when the precursor has been treated at 550℃.

另外，在最佳工作温度300℃时，采用静态配气法测试了材料的气敏性能，发现SnO2对体积分数为5×10^(-5)的氯气的灵敏度高达805，而且对其它气体有很好的抗干扰能力。

In this thesis, potassium niobate tantalate powder has been suceessfully synthesized by the effective hydrothermal method and solvothermal method; after that, high pyroelectric property 0-3 KTN/P composite material were prepared using solvent casting followed by compression moulding, taking tetragonal ferroelectric phase KTN as function phase, P as matrix phase, respectively.

本文采用高效的水热和溶剂热法合成了钽铌酸钾纳米粉体，随后以四方铁电相含量高的KTN粉体为功能相，以P为基体，用涂覆法制备出高热释电性能的0-3型KTN/P复合材料，并对粉体和复合材料的制备工艺和性能进行了相应的研究。

It is shown that the magnitude and direction of tetragonal distortion affect the V~(0 considerably.

业已表明，四方畸变的大小和方向对V~(0)影响显著。

In the paper, the influence of grain size on phase transformation of tetragonal to monodlinic of ZrO2 is also discussed.

文中还讨论了晶粒尺寸对ZrO2四方相相变的影响。

Which is in the structure of body-centered tetragonal.

为体心四方结构。

In addition, another mesoporous silica with probably tetragonal symmetry was synthesized under acidic condition.

在酸性介质中合成了可能是四方结构另一种空间群的介孔分子筛FDU-z。

The dominant phase is cubic with slight phase of tetragonal at this temperature.

在这个温度下得到的晶粒主要是立方相，并含有少量的四方相。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"