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- The product is rhombohedral or flaky crystal. 包裝說(shuō)明：無(wú)色菱形或片狀結晶。
- Its low temperature form is rhombohedral with an elongation along (111). 它的低溫形態(tài)是沿著(zhù)[111]伸長(cháng)的菱面體。
- It indicates that the Nd2AlFe14Mn2 compound has a rhombohedral Th2Zn17-type structure from 104 to 655 K. 研究結果表明,Nd2AlFe14Mn2化合物在104-655 K具有菱方相的Th2Zn17型結構。
- Analysis of Raman Scattering in Fe-doped PZN-PZT Ceramics with the Co-existence of Tetragonal and Rhombohedral[J]. 引用該論文 路朋獻;鄒文俊;許德合;馬秋花;朱滿(mǎn)康;侯永改;栗政新;王春華.
- The relaxation of Raman selection rules in cubic nanophase is attributed to local rhombohedral distortion. 拉曼選擇定則的弛豫源于納米晶基體具有局域三方晶格畸變。
- After the electron beam had been shifted away, the rhombohedral structure was restored. 電子束移開(kāi)后，又恢復到原來(lái)的菱面體結構。
- Result shown PFN gave rise to the crystal structure transit from rhombohedral phase to tetragonal phase. PFN的增加引起該體系陶瓷從三方相向四方相轉變。
- The dependence of structural parameters including lattice constants, rhombohedral angle, and atomic coordinates on pressure was also studied. 計算基于平面波基組，使用模守恒贗勢和局域密度近似。
- PZT;PT;the dielectric constant; the lattice distortion; tetragonal phase region;rhombohedral phase region; phase coexistence region. 介電常數;晶格畸變;四方相區;三角相區;混合相區
- Quartz is commonly found as a six-sided, prism-shaped crystal topped by pyramid-like form, while calcite usually shows a crystal form of rhombohedron. 石英通常呈六方柱，頂上帶有雙錐的晶形，而方解石卻常以菱形六面體形式出現。
- The AFM micrographs showed that the morphology of rhombohedral crystals changed dramatically in the presence of HEDP and it gave appearances like polycrystals. AFM圖像顯示添加HEDP后菱方體晶體的形貌發(fā)生了根本性的變化,呈現一種類(lèi)似多晶的表面結構;
- The study on the properties of the system doped by Cr indicated that the MPB of the tetragonal and rhombohedral phase lay in a broad composition region. 通過(guò)研究Zr/Ti比對Cr摻雜PSN-PZN-PZT系統性能的影響發(fā)現:三方相和四方相共存的準同型相界位于一個(gè)很寬的組成范圍內;
- The porosity for cubical packing (the least compact arrangement) is 47.6 per cent, and that for rhombohedral (the most compact arrangement) is 25.96 per cent. 立方形堆積(最不松散的堆積)的孔隙度為47．6%25，菱形堆積(最緊密堆積)的孔隙度為25.;96%25。
- The low temperature transformation changes the crystal structure of LaCrO_3 and Ca-doped LaCrO_3 from orthorhombic to rhombohedral and is a heat-absorbing reaction. 鉻酸鑭及摻雜鉻酸鑭材料的低溫結構相變均是由正交結構向菱形結構的轉變。
- The calcite crystals precipitated from pure supersaturated calcium carbonate exhibit mainly two habits:flat like rhombic crystal and rhombohedral crystal similar to a cube. 純碳酸鈣過(guò)飽和溶液析出的碳酸鈣晶體有兩種主要的形態(tài):薄片狀菱形晶體和類(lèi)似立方體的菱方體晶體。
- It was ascertained that the addition of MnO and CoO did not cause a remarkable change in crystalline structure, with the specimens remaining the coexistence of rhombohedral and tetragonal phases. 研究結果表明，添加MnO和CoO對材料的晶體結構未產(chǎn)生顯著(zhù)影響，各組分樣品保持三方-四方共存結構。
- Under a suitable condition of crystallization, dark brown short rhombohedron crystals could be obtained from nitrogenase MnFe protein purified from a mutant UW 3 of Azotobacter vinelandii Lipmann grown in Mn_containing but Mo_ and NH 3_free medium. 從以Mn代鉬的固氮培養基中固氮生長(cháng)的固氮菌 (AzotobactervinelandiiLipmann)突變種UW3 中分離純化的MnFe蛋白 ,在一定的結晶條件下 ,可從溶液中析出深棕色的短斜四棱柱晶體。
- rhombohedral tetratohedral class 菱形四分面體類(lèi)
- rhombohedral hemimorphic hemihedral class 菱形極半面象晶族
- Analysis on Rhombohedral Deformation and Casting Mark 菱變和壓痕分析
