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te·trag·o·nal 英tɪ'trægənəl美tɪ'trægənəl BNC¹²⁶⁴¹⁶⁺⁴
基本英英搭配记法例句
adj.四角形的⁴⁰;四边形的⁴⁰;四棱的²⁰
Adjective:
of or relating to or shaped like a quadrilateraltetragonal crystal正方晶体,四方晶体…tetragonal prism正方柱,四角棱镜,四…tetragonal pyramid正方锥tetragonal system正方系,四方晶系,正…tetragonal bipyramid正方双锥tetragonal structure四方晶体结构…tetragonal tetrad四边形四分体,四边形…tetragonal cell四方晶胞tetragonal axis正方轴tetragonal lattice四方晶格
tetragon-al…的⇒adj.四角形的⁴⁰;四边形的⁴⁰;四棱的²⁰ All kinds of PWO crystals showed the body- centered tetragonal structure in the Raman spectra.
拉曼光谱证实晶体的结构为体心四方结构。 cnki
The mineral chalcopyrite usually is found in compact masses or in mixtures with various other mineral as opaque, brass-yellow, tetragonal crystals.
黄铜矿通常以不透明的黄铜色的四角形结晶的方式在紧密物质或和其他各种矿物质混合体中被发现。 chinanetj00
The pattern of XRD illustrated that the pure perovskite phase tetragonal had been obtained for all samples.
XRD分析结果表明所制备的样品都生成了纯的钙钛矿结构，并且都为四方相。 zidian8
The present work was to determine the optimum sintering system and properties of the nanometer tetragonal polycrystalline zirconia green body by the aqueous gel tape casting process.
采用水基凝胶流延工艺制备四方多晶氧化锆薄膜，确定合理的烧成制度，并考察薄膜的显微结构与烧结性能。 dictall
The Q difference between the two temperature ranges may relate to different oxygen diffusion mechanisms in tetragonal and orthorhombic structures. A qualitative explanation is given.
两温区的差异可能与氧在四方和正交两种结构中扩散机制不同有关。 cnki
The microstructure and phases present in hydroxyapatite HA reinforced by tetragonal zirconia polycrystal TZP were investigated by using transmission electron microscopyTEM.
用透射电子显微镜对四方氧化锆多晶 TZP增韧羟基磷灰石 HA复合材料的微观相结构进行了观察与分析。 dictall
The nanometer tetragonal polycrystal zirconia powder was prepared by the super alkaline method at low temperature.
利用低温超强碱法制备出了纳米四方多晶氧化锆粉体。 cnki
The residual stress and microstructure of complexed PSZ ceramics during the process of cubic to tetragonal phase transformation were studied by finite element method.
用有限元方法研究了复合 PSZ材料立方到四方相变过程中的残余应力及其对材料微观结构的影响。 cnki
But the tetragonal phase in the surface region transforms easily to monoclinic phase when the samples are exposed to air.
尽管惰性气氛和还原气氛下焙烧样品有利于四方相的稳定，但样品暴露于空气中后，表面四方相较易转变为单斜相。 cnki
By an example of Tetragonal structure, the principle and method are described by which the orientation of light can be derived from interference structure.
以体心四方为例，叙述了由相干结构导出入射光配置的原则和方法。210.72.9.40
In recent years there has been tremendous surge of interests in the development and demonstration of crystals with the structure of tetragonal tungsten bronzeTTB.
近几十年来，人们对研究钨青铜结构的材料产生了浓厚兴趣并取得了很大进展。 cnki
In the first place, a formula is proved for indicating a magnetic induction strength inside a long straight helix tube carrying current, with the tubes cross section in tetragonal N regular polygon.
首先证明了正 N边形截面长直螺线管内部磁感应强度的公式，进而证明了长直螺线管内部磁感应强度与横截面的形状无关。 dictall.com
It is found that the increase of oxygen vacancy content can increase the instability of the metastable tetragonal phase and accelerate the transformation to monoclinic zirconia.
结果表明：氧空位的存在与变化不仅影响着氧化锆相结构的稳定性，而且影响着氧化锆的低温相变过程。 cnki
It is possible that oxygen vacancies formed in the surface region in the absence of oxygen can prevent the transformation from the tetragonal to the monoclinic phase.
这可能是由于在缺氧条件下样品表面形成了一种具有氧空位的扭曲结构，这种结构可以阻止四方相到单斜相的转变。 cnki
Nanometer tetragonal polycrystal zirconia powder was prepared by the milling method in the super- alkaline medium containing organic addition.
采用引入有机添加剂的低温超强碱法制备出纳米四方多晶氧化锆粉体。 cnki
The results indicate that the coating is mainly composed of tetragonal and cubic phase and a small amount of monoclinic zirconia.
结果表明，涂层主要以四方相和立方相构成，并含有少量的单斜相。 cnki
These disadvantages cannot be overcome by addition of tetragonal zirconia resulting in phase transition toughening, because of the low elastic module of the ceramic artificial bone materials.
由于生物陶瓷材料的弹性模量较小，很难采用添加氧化锆引起的相变增韧来解决上述缺点。 cnki
Titanium nitride was synthesized by ammonia reduction and nitridation under flowing ammonia atmosphere while the content and tetragonal phase structure of zirconia was unchanged.
采用氨气还原氮化法，在流动的氨气氛下原位反应生成氮化钛，同时保持四方相氧化锆含量和结构不变。 cnki
We also study the relation between the dielectric constant and lattice distortion of the PT tetragonal and cubic phase region.
我们还研究了 PT四方相区和立方相区介电常数与晶格畸变的关系。 cnki
When the sample is exposed to air, the elimination of these vacancies by the incorporation of oxygen facilitates the transformation from the tetragonal to the monoclinic phase.
当暴露于空气中时，表面氧空位能够捕获空气中的氧，有利于表面四方相转变为单斜相。 cnki
With the increasing of doping amounts, phases shift from tetragonal phase to rhombohedral phase.
随着掺杂量的增加，物相组成由四方相向三方相转变； fabiao |