rhombohedral

简明释义

[ˌrɑːmboʊˈhɛdrəl][ˌrɑːmboʊˈhɛdrəl]

adj. 菱形的,[数] 斜方六面体的

英英释义

Relating to or having the shape of a rhombohedron, which is a three-dimensional geometric figure with six faces, all of which are parallelograms.

与菱方体的形状相关或具有菱方体的形状,菱方体是一个三维几何体,具有六个面,所有面都是平行四边形。

单词用法

同义词

rhomboid

菱形

The crystal structure is rhombohedral, resembling a rhomboid shape.

晶体结构是菱形的,类似于菱形的形状。

parallelogram

平行四边形

In geometry, a parallelogram can be seen as a two-dimensional rhombohedral shape.

在几何学中,平行四边形可以看作是一个二维的菱形结构。

反义词

cubic

立方体的

The crystal structure of sodium chloride is cubic.

氯化钠的晶体结构是立方体的。

orthorhombic

正交的

In a laboratory, we often study orthorhombic crystals for their unique properties.

在实验室中,我们常常研究正交晶体以了解其独特的性质。

例句

1.Rhombohedral ITO solid solution was metastable in air and it would be transformed to cubic ITO solid solution by heat-treatment.

刚玉型结构ITO固溶体在空气中处于亚稳态,并且在加热的条件下可以转变为萤石型结构ITO固溶体。

2.The X ray diffraction (XRD) results showed that the rhombohedral phase fraction of natural graphite increased after being coated.

射线分析表明,改性后该石墨晶体中三方石墨的含量增高。

3.After doping, the LSCF phase remained rhombohedral structure.

掺杂后的LSCF仍保持菱方结构;

4."Rather," it has an elongated rhombohedral structure.

相反,它有一种拉长的斜方六面体结构。

5.The southeastern Ninglang area develops Ningnan rhombohedral structure and its Ningnan double-bo-gen junction structure.

宁蒗东南区发育宁南菱形构造及其所决定的宁南反凸双弧联合构造。

6.In the middle of stem is the pith, which composed of abundant parenchymatous cells with rhombohedral crystals.

茎中央是大型薄壁细胞构成的髓,具簇晶。

7.We comprehensively investigate and discuss the relation in the tetragonal, rhombohedral and coexistence phase region of PZT.

我们对PZT四方相区、三角相区和混合相区介电常数与晶格畸变的关系进行了全面研究和探讨。

8.It is indicated that the shell is composed of calcite with Rhombohedral structure as well as aragonite with Orthorhombic structure.

研究表明:香螺壳体主要由方解石构成,其次为具有正交晶系结构的文石。

9.In crystallography, a rhombohedral lattice can be distinguished from other lattice types by its symmetry.

在晶体学中,菱方晶系晶格可以通过其对称性与其他晶格类型区分开来。

10.The rhombohedral shape of certain crystals allows them to reflect light in fascinating ways.

某些晶体的菱方晶系形状使它们能够以迷人的方式反射光线。

11.The mineral calcite often crystallizes in a rhombohedral structure, which is characterized by its unique angles.

矿物方解石通常以菱方晶系的结构结晶,具有独特的角度。

12.Some gemstones, like rhodochrosite, exhibit a rhombohedral cleavage pattern that enhances their aesthetic appeal.

一些宝石,如菱锰矿,表现出菱方晶系的解理模式,增强了它们的美观性。

13.Researchers studied the rhombohedral phase of the material to understand its electronic properties.

研究人员研究了该材料的菱方晶系相,以了解其电子特性。

作文

The term rhombohedral refers to a specific type of crystal system characterized by a three-dimensional geometric shape. In crystallography, the rhombohedral system is one of the seven crystal systems that describe the arrangement of atoms in a crystalline solid. The key feature of the rhombohedral system is that its unit cell, the smallest repeating unit of a crystal lattice, is shaped like a rhombohedron. A rhombohedron can be visualized as a three-dimensional parallelogram where all sides are equal in length, but the angles between the sides are not right angles. This unique structure leads to distinctive physical properties and symmetry characteristics that are essential in various scientific fields.Many minerals exhibit rhombohedral symmetry, making this crystal system significant in geology and mineralogy. For example, calcite is a well-known mineral that crystallizes in the rhombohedral system. Its optical properties, such as birefringence, are closely related to its rhombohedral structure. Understanding the rhombohedral nature of calcite helps geologists and mineralogists identify the mineral and predict its behavior under different conditions. In addition to geology, the rhombohedral structure is also important in materials science and solid-state physics. Researchers study rhombohedral crystals to understand their electrical, magnetic, and thermal properties. For instance, certain ferroelectric materials exhibit rhombohedral symmetry, which is crucial for their applications in electronic devices. The polarization properties of these materials are influenced by their rhombohedral structure, making it vital for engineers to consider this aspect when designing components like capacitors and sensors.Furthermore, the rhombohedral system has implications in the field of chemistry, particularly in understanding molecular geometry. Molecules that adopt a rhombohedral arrangement may exhibit unique chemical behaviors due to the spatial configuration of their atoms. This can influence reaction mechanisms and the stability of compounds, which is essential knowledge for chemists working on synthesizing new materials.In conclusion, the term rhombohedral encompasses a rich field of study that intersects various scientific disciplines. From geology to materials science and chemistry, the rhombohedral structure plays a significant role in determining the properties and behaviors of different substances. By understanding this concept, scientists can make informed predictions about how materials will behave in natural and engineered environments. As research progresses, the importance of the rhombohedral system will likely continue to grow, revealing new insights into the fundamental nature of matter and its interactions.

术语rhombohedral指的是一种特定类型的晶体系统,其特征是三维几何形状。在晶体学中,rhombohedral系统是描述晶体固体中原子排列的七种晶体系统之一。rhombohedral系统的关键特征是其单位晶胞,即晶格中最小的重复单元,呈现为菱方体。菱方体可以被视为一个三维平行四边形,其中所有边的长度相等,但边之间的角度不是直角。这种独特的结构导致了显著的物理特性和对称特征,这在多个科学领域中都是至关重要的。许多矿物表现出rhombohedral对称性,使这一晶体系统在地质学和矿物学中具有重要意义。例如,方解石是一种在rhombohedral系统中结晶的著名矿物。它的光学特性,如双折射,与其rhombohedral结构密切相关。理解方解石的rhombohedral特性有助于地质学家和矿物学家识别该矿物,并预测其在不同条件下的行为。除了地质学,rhombohedral结构在材料科学和固态物理学中也很重要。研究人员研究rhombohedral晶体,以了解其电学、磁学和热学特性。例如,某些铁电材料表现出rhombohedral对称性,这对于它们在电子设备中的应用至关重要。这些材料的极化特性受到其rhombohedral结构的影响,因此工程师在设计电容器和传感器等组件时必须考虑这一方面。此外,rhombohedral系统在化学领域也有影响,特别是在理解分子几何方面。采用rhombohedral排列的分子可能会由于其原子的空间配置而表现出独特的化学行为。这可能影响反应机制和化合物的稳定性,这对于从事新材料合成的化学家来说是至关重要的。总之,术语rhombohedral涵盖了一个丰富的研究领域,涉及多个科学学科。从地质学到材料科学和化学,rhombohedral结构在决定不同物质的特性和行为方面发挥着重要作用。通过理解这一概念,科学家可以对材料在自然和工程环境中的行为做出明智的预测。随着研究的进展,rhombohedral系统的重要性可能会继续增长,揭示出物质基本性质及其相互作用的新见解。