rhombohedral
英
美
网络 菱方; 菱形; 斜方六面体; 菱面体; 菱形体
双语例句
- The results compared with synchysite from Mont Saint-Hilaire, Quebec in Canada show that the rhombohedral synchysite and monocline ones are polymorphism.
通过与加拿大魁北克某矿区产出的单斜晶系的直氟碳钙铈矿的对比研究，确认本矿区产出的直氟碳钙铈矿为其同质二象变体。 - X-ray diffraction ( XRD) and electron diffraction ( ED) revealed that the resulting product is of pure single-phase rhombohedral structure.
XRD和ED分析表明，所有的样品都具有单相钙钛矿结构； - Its low temperature form is rhombohedral with an elongation along ( 111).
它的低温形态是沿着〔111〕伸长的菱面体。 - The AFM micrographs showed that the morphology of rhombohedral crystals changed dramatically in the presence of HEDP and it gave appearances like polycrystals.
AFM图像显示添加HEDP后菱方体晶体的形貌发生了根本性的变化，呈现一种类似多晶的表面结构； - 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、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。 - Influence of polarization conditions upon the properties and structures of lead niobium-stibium zirconate-titanate ( PNSZT) piezoelectric ceramics, in which there are tetragonal and rhombohedral phases coexistent ( morphotropic phase boundary, MPB), was studied.
研究了极化条件对三方/四方相共存（即准同型相界，简称MPB）的铌锑锆钛酸铅（PNSZT）压电陶瓷性能和结构的影响。 - The dependence of structural parameters including lattice constants, rhombohedral angle, and atomic coordinates on pressure was also studied.
对锗R8相结构参数的压力依赖性也进行了研究，包括晶格常数、伞状角、原子位置参数随压力的变化情况。 - The calcite crystals precipitated from pure supersaturated calcium carbonate exhibit mainly two habits: flat like rhombic crystal and rhombohedral crystal similar to a cube.
纯碳酸钙过饱和溶液析出的碳酸钙晶体有两种主要的形态：薄片状菱形晶体和类似立方体的菱方体晶体。 - When pH value was 7, the particles were rhombohedral.
当pH值为7时，为菱形粒子； - After doping, the LSCF phase remained rhombohedral structure.
掺杂后的LSCF仍保持菱方结构； - In this paper the two major elements& graphitization(μ) and the content of graphite rhombohedral polymorph ( R_h) have been studied for the first time on the quantitative basis.
本文首次定量地研究了表征石墨晶体结构完善程度的两个要素，即石墨化程度（μ）和石墨菱面体多型（Rh）含量。 - Study on structure determination of rhombohedral system with powder method of x& rays diffraction
x射线照像法测定三方晶系晶体结构的讨论与研究 - 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。 - Results show that, phases shift from tetragonal to rhombohedral phase with the increase of doping amounts, the solubility of NiO in PMS-PZ-PT ceramics is very small, and the composition with doping amount of 0.02wt% has superior piezoelectric properties.
实验结果表明：随着掺杂量的增加，物相组成由四方相向三方相转变；NiO在PMS-PZ-PT材料中的固溶度比较小； - Study on polarization of lead NIOBIUM-STIBIUM zirconate-titanate piezoelectric ceramics having tetragonal and rhombohedral phases coexistent
三方/四方相共存铌锑锆钛酸铅压电陶瓷极化的研究 - Study of the Electronic Structure of Rhombohedral LiMnO_2 via GGA
菱方LiMnO2电子结构的GGA方法研究 - Addition of x volue reduces the crystal axis ratio a/ c and the volume of tetragonal structure. As a result, it extendes the tetragonal antiferroelectric field that can transform into rhombohedral ferroelectric phase by electric field.
x增加，反铁电四方相的晶轴比a/c和晶胞体积减小，结果是扩大了可以发生电场诱导反铁电-铁电相变的反铁电相区。 - So, that Raman scattering analysis is an effective way to estimate the phase transition trend between the rhombohedral and tetragonal resulted from doping effect in PZT based ceramics.
这一结果，得到了XRD相分析的验证。因此，通过对Raman散射中三方-四方振动模式的分析，可以表征掺杂诱导的PZT基陶瓷中三方-四方相结构变化趋势。 - 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。 - Discovery and study of synchysite with rhombohedral system in China using transmission electron microscope
三方晶系直氟碳钙铈矿在我国的发现及其透射电镜研究 - 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。 - On the basis of the Raman scattering analysis on the tetragonal E ( 3TO) and A1 ( 3TO) modes and the rhombohedral Rl mode, the tendency of phase transition induced by Fe doping was evaluated, which has been affirmed by XRD results.
通过分析四方相E（3TO）和A1（3TO）模式与三方相Rl模式，确定了铁掺杂对PZN-PZT陶瓷中三方-四方共存结构的影响。 - When x> 0.10, the conductivity curve exhibits a jumping at about 700 ℃ due to the transition of a small amount of rhombohedral phase into fcc phase.
Gd2O3量增大时（x>0.10），由于形成少量三方相，而使电导率曲线在700℃左右出现突跃，相应于三方相向面心立方相的转变。 - The results showed that the rhombohedral calcite was the exclusive product when deionized water was applyed as the solvent; however, rhombohedral calcite and a spot of vaterite with planular discoid morphology were obtained by adding a small amount of ethylene glycol in the reaction system.
实验结果显示，在以去离子水为溶剂时，得到了菱面体状方解石；但在反应体系中加入少量的乙二醇后得到了方解石和少量扁平盘状球霰石的混合相。 - The XRD phase analysis shows that the electrodeposited Sn-Bi solder mainly consists of the tetragonal tin and the rhombohedral bismuth phases.
XRD相分析表明，电沉积Sn-Bi钎料主要由四方晶系的Sn相和菱形晶系Bi相组成。 - Our calculation results show that the total energy of the rhombohedral phase is lower than that of the tetragonal phase, which suggests that the rhombohedral structure is more energetically stable than the tetragonal one.
计算结果表明三方相的能量比四方相低，说明三方相结构更加稳定，并且发现利用广义梯度近似计算的结构参数与实验值符合得更好。 - The main phases include layered ( hexagonal and rhombohedral boron nitride) and cubic boron nitride.
其主要结构有层状氮化硼（包括六方相和三方相）和立方相氮化硼。