tetragonal

简明释义

英[teˈtræɡənəl]美[teˈtræɡənəl]

adj. [数] 四角形的

英英释义

单词用法

同义词

反义词

例句

1.The results of XRD and SEM show that the main crystal phase is the non-full-filled tetragonal tungsten bronze structure.

SEM结构分析可知，主晶相为非填满型钨青铜结构四方晶相。

2.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。

3.X-ray Diffraction(XRD)was applied to study crystalline properties of PLT films, and XRD patterns of PLT thin films show that there appeared(111)preferred-oriented tetragonal perovskite phase.

用X射线衍射技术（XRD）研究了PLT薄膜结晶性能，结果表明PLT薄膜为（111）择优取向钙钛矿相织构。

4.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。

5.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。

6.The microstructure and phases present in hydroxyapatite(HA) reinforced by tetragonal zirconia polycrystal (TZP) were investigated by using transmission electron microscopy(TEM).

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。

7.Researchers found that the tetragonal form of the compound exhibited higher stability at room temperature.

研究人员发现该化合物的四方形态在室温下表现出更高的稳定性。

8.The tetragonal lattice structure can be observed in certain types of ceramics.

某些类型的陶瓷中可以观察到四方晶格结构。

9.The crystal structure of the mineral is classified as tetragonal, meaning it has two equal axes and one different axis.

这种矿物的晶体结构被分类为四方晶系，这意味着它有两个相等的轴和一个不同的轴。

10.The tetragonal symmetry of the crystal is essential for its optical properties.

晶体的四方对称性对其光学性质至关重要。

11.In materials science, tetragonal phases are often studied for their unique properties.

在材料科学中，四方相常常因其独特的性质而受到研究。

作文

The study of crystal structures is a fascinating field that combines elements of chemistry, physics, and materials science. One of the important crystal systems that researchers encounter is the tetragonal system. The tetragonal crystal system is characterized by a unique arrangement of atoms that results in a distinct geometric shape. In this system, there are three axes, with two of them being equal in length and perpendicular to each other, while the third axis is of a different length and also perpendicular to the other two. This configuration leads to a variety of interesting properties that make tetragonal crystals particularly useful in various applications.One of the most well-known examples of a tetragonal crystal is zirconia, which is often used in dental ceramics due to its strength and aesthetic qualities. The tetragonal phase of zirconia exhibits high toughness and thermal stability, making it an ideal material for dental crowns and bridges. Additionally, the tetragonal structure allows for the incorporation of other elements, enhancing its properties further.In the realm of solid-state physics, tetragonal materials also play a significant role. For instance, certain superconductors exhibit a tetragonal lattice structure, which is crucial for their superconducting properties. Understanding the tetragonal arrangement of atoms can help scientists develop new materials with tailored properties for electronic devices.The importance of the tetragonal system extends beyond just materials science; it also has implications in geology. Many minerals crystallize in a tetragonal form, affecting their physical characteristics and how they interact with their environment. For example, the mineral rutile, which is primarily composed of titanium dioxide, has a tetragonal crystal structure. This mineral is essential for various industrial applications, including the production of titanium metal and pigments.Moreover, the study of tetragonal crystals contributes to our understanding of phase transitions. When certain materials undergo changes in temperature or pressure, they may transition from one crystal structure to another, such as from a cubic to a tetragonal phase. These transitions can significantly impact the material's physical properties, leading to a wide range of applications in technology and manufacturing.In conclusion, the tetragonal crystal system is a vital area of study within materials science and related fields. Its unique geometric properties lead to a variety of practical applications, from dental materials to superconductors and industrial minerals. As researchers continue to explore the potential of tetragonal structures, we can expect to see innovations that harness these materials' unique characteristics for future technologies. Understanding the tetragonal system not only enriches our knowledge of crystallography but also opens doors to advancements in numerous scientific disciplines.

晶体结构的研究是一个迷人的领域，结合了化学、物理和材料科学的元素。研究人员遇到的一个重要晶体系统是四方系统。四方晶体系统的特点是原子的独特排列，导致了不同的几何形状。在这个系统中，有三个轴，其中两个长度相等并且彼此垂直，而第三个轴长度不同，并且也与其他两个轴垂直。这种配置导致了一系列有趣的属性，使得四方晶体在各种应用中尤其有用。一个最著名的四方晶体例子是锆石，因其强度和美观性常用于牙科陶瓷。锆石的四方相表现出高韧性和热稳定性，使其成为牙冠和桥梁的理想材料。此外，四方结构允许其他元素的掺入，进一步增强其属性。在固态物理学领域，四方材料也发挥着重要作用。例如，某些超导体表现出四方晶格结构，这对其超导特性至关重要。理解原子的四方排列可以帮助科学家开发具有定制属性的新材料，以用于电子设备。四方系统的重要性不仅限于材料科学；它在地质学中也有影响。许多矿物以四方形式结晶，影响其物理特性以及它们与环境的相互作用。例如，矿物金红石，主要由二氧化钛组成，具有四方晶体结构。该矿物对于各种工业应用至关重要，包括钛金属和颜料的生产。此外，四方晶体的研究有助于我们理解相变。当某些材料在温度或压力变化时，它们可能会从一种晶体结构转变为另一种，例如从立方体转变为四方相。这些转变可以显著影响材料的物理性质，从而导致在技术和制造中的广泛应用。总之，四方晶体系统是材料科学及相关领域的重要研究领域。其独特的几何属性导致了多种实际应用，从牙科材料到超导体和工业矿物。随着研究人员继续探索四方结构的潜力，我们可以期待看到利用这些材料独特特性的创新，以推动未来技术的发展。理解四方系统不仅丰富了我们对晶体学的知识，也为多个科学学科的进步打开了大门。