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ray powder
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     A Niobate Ba6FeNb9O30 was newly found in the ternay system BaO-Fe2O3-Nb2O5,and the unit cell parameters of Ba6FeNb9O30 were determined by X _ ray four _ circle single crystal diffraction. Further, the X _ ray powder diffraction data were made indexation with F30=32(0.016,58).
     在BaO -Fe2O3-Nb2O5 三元系统中 ,新发现存在铌酸盐Ba6FeNb9O30,利用四圆单晶衍射仪进行了晶胞参数测定 ,然后采用X射线粉晶衍射法获得该化合物的粉晶衍射数据 ,并进行了指标化 ,F30 =32(0.016,58)。
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     The unit cell parameters of Ba3Ni0.33Nb4.67O15 were determined by X _ ray four _ circle single crystal diffraction, and its X _ ray powder diffraction data were indexed and reported in this paper.
     以BaCl2 和B2O3为主要助熔剂制备了Ba3Ni0.33Nb4.67O15 的单晶体。 利用四圆单晶衍射仪测定晶胞参数 ,然后采用X射线粉晶衍射法进行了物相分析,对该化合物的粉晶衍射数据进行了指标化 ,并报道了其X射线衍射数据。
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     The phase transformation product is Nobleite(CaO·3B 2O 3·4H 2O), which is determined by chemical analysis and identified by infrared spectra and X ray powder diffraction. The mechanism of dissolution and phase transformation has been proposed and discussed.
     通过化学分析及X射线粉晶衍射、红外光谱物相鉴定表明 ,相转化产物为CaO·3B2 O3 ·4H2 O ,提出了相转化机理
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     X ̄RAY POWDER DIFFRACTION ANALYSIS OF TETRADYMITE
     辉碲铋矿的X射线粉晶衍射分析
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     The X--ray powder diffraction lines were indexed.
     X-射线粉晶衍射数据已进行了指标化。
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  “ray powder”译为未确定词的双语例句
     X ray Powder Diffraction Data and Structural Parameters for Compound NdFe 0.6 Sb 2
     X-ray Powder Diffraction Data and Structural Parameters for Compound NdFe_0.6Sb_2
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     The result of X ray powder diffraction indicates that glass forms at 1025℃ in the system of 2BaO·(l-x)La2O3 9B2O3·xEu2O3 (BLBE).
     X射线衍射研究表明2BaO·(1—x)La2O3·9B2O3·Eu2O3(BLBE)体系的玻璃化温度在1025℃附近;
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     X Ray Powder Diffraction Data for HoNi 2Ge 2
     HoNi_2Ge_2的X射线粉末衍射数据
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     The microcrystal phase was characterized by x ray powder diffraction as Li 2O·SiO 2 and grain size as 23 8nm.
     由x射线粉末衍射分析鉴定其微晶相为Li2O·SiO2,晶粒尺寸为23.8nm。
短句来源
     Heteropoly compounds α K 6[GeW 11 Co(H 2O)O 39 ]12H 2O α K 5H[GeW 11 Ni(H 2O)O39]·15H 2O are prepared and characterized by means of elemental analysis,IR and UV spectra,X ray powder diffraction and so on.
     合成了钴、镍单取代钨锗杂多酸盐α-K6[GeW11Co(H2O)O39]·12H2O和α-K5H[GeW11Ni(H2O)O39]·15H2O.通过元素分析、紫外和红外光谱、X-射线粉末衍射等手段进行表征;
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     The X--ray powder diffraction lines were indexed.
     X-射线粉晶衍射数据已进行了指标化。
短句来源
     Performance estimation of X-ray powder diffractometer
     X射线粉末衍射仪性能的评估
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     x-ray spectrometry;
     X射线分析;
短句来源
     X-ray Binaries
     X射线双星
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     Powder Coating
     粉末涂料
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  ray powder
X-ray powder diffraction results show that the as-grown SrWO4 single crystal belongs to tetragonal system and I41/a space group.
      
The structures of the CdSe quantum dots were determined by X-ray powder diffraction (XRD) and transmission electron microscopy (TEM).
      
The thermal decomposition of CeO2 nanocrystalline precursor prepared by chemical precipitation method was investigated using thermo-gravimetric/differential scanning calorimetry (TG/DSC) and X-ray powder diffraction (XRD).
      
The sample was characterized by X-ray powder diffraction and transmission electron microscopy (TEM).
      
The changes in the physicochemical properties of MoO3 have been investigated using techniques such as X-ray powder diffraction (XRD), field emission scanning electron microscopy (FE-SEM) and ultraviolet and visible spectroscopy (UV-vis).
      
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The thermal dehydration of hydrated ferrous, cobaltous and nickelous chlorides have been studied by differential thermal analysis, thermogravimetric analysis and X-ray powder method. The dehydration temperatures of these three hydrated chlorides are very similar and may be summarized as follows: 6H_2O ?? 4H_2O ?? 2H_2O ?? 1H_2O ?? 0H_2O FeCl_2 ? 110° 158° 212° CoCl_2 50° ? 120° 138° 155° NiCl_2 50° 116° 138° 166° Furthermore, it is observed that the anhydrous nickelous chloride formed beyond 166°(designed...

The thermal dehydration of hydrated ferrous, cobaltous and nickelous chlorides have been studied by differential thermal analysis, thermogravimetric analysis and X-ray powder method. The dehydration temperatures of these three hydrated chlorides are very similar and may be summarized as follows: 6H_2O ?? 4H_2O ?? 2H_2O ?? 1H_2O ?? 0H_2O FeCl_2 ? 110° 158° 212° CoCl_2 50° ? 120° 138° 155° NiCl_2 50° 116° 138° 166° Furthermore, it is observed that the anhydrous nickelous chloride formed beyond 166°(designed as α-form) may be transformed into a β-form at 214°.

本实验应用差热分析、热重分析和X-线粉末法测得二价铁、钴、镍水合氯化物的脱水温度.

The magnetic properties and Ferromagnetic resonance of the yttrium-lanthanum iron garnet system Fe5O12 were investigated at the compositions corresponding to x=0, 0.05, 0.10, 0.20, 0.30, 0.50, 0.75 and 1.00. The single-phase region with garnet structure determined by the X-ray powder pattern analysis and metallographic observations extends to about 0.10

The magnetic properties and Ferromagnetic resonance of the yttrium-lanthanum iron garnet system Fe5O12 were investigated at the compositions corresponding to x=0, 0.05, 0.10, 0.20, 0.30, 0.50, 0.75 and 1.00. The single-phase region with garnet structure determined by the X-ray powder pattern analysis and metallographic observations extends to about 0.10

本文对钇-镧石榴石型铁氧体系Y_(3(1-x))La_(3x)Fe_5O_(12)(其中x=0,0.05,0.10,O.20,0.30,0.50,0.75和1.00)的磁性和铁磁共振进行了研究。由X射线粉末照相分析和金相观察确定了石榴石转构的单相区域。测量了饱和磁矩б_s、起始磁导率μ_0、矫顽力H_c及有效g因子geff和共振线宽△H(3970和9160兆赫)与La含量x的关系。由磁性和铁磁共振的测量结果表明单相区城要比由X射线分析和金相观察的结果更窄一些。讨论了不同成分的б_s的变化,μ_O与磁化机构的关系。由geff与频率的关系计算出内场H_i和材料的内禀g因子。从磁的不均匀性的观点解释了实验上观测到的△H、H_i和H_C在一定成分范围内与x的指数式关系。

The phase equilibrium relationships in the system La_2O_3-BeO were examined by quenching method together with microscopic and X-ray powder techniques. Two binary compounds: La_2O_3·2BeO and 3La_2O_3·2BeO have been identified. The latter is able to take up excess BeO in solid solution, the homogeneous region of which extends over the composition range of 3La_2o_3·2BeO-La_2O_3·BeO. The melting point of La_2O_3.2BeO was determined to be 1363±3℃, whereas 3La_2O_3·2BeO melts incongurently at 1510±10℃. Three...

The phase equilibrium relationships in the system La_2O_3-BeO were examined by quenching method together with microscopic and X-ray powder techniques. Two binary compounds: La_2O_3·2BeO and 3La_2O_3·2BeO have been identified. The latter is able to take up excess BeO in solid solution, the homogeneous region of which extends over the composition range of 3La_2o_3·2BeO-La_2O_3·BeO. The melting point of La_2O_3.2BeO was determined to be 1363±3℃, whereas 3La_2O_3·2BeO melts incongurently at 1510±10℃. Three invariant points have been located at 1356±2℃, 40.8 mole% LaO_(1.5); 1362±4℃, 51 mole% LaO_(1.5); and 1510±10℃, 66 mole% LaO_(1.5); with the coexistence of BeO-La_2O_3·2BeO-liquid; La_2O_3·2BeO-3La_2O_3·2BeO_(s.s)-liquid;and 3La_2O_3·2BeO-La_2O_3-liquid respectively.Indexing of the X-ray powder patterns reveals that La_2O_3·2BeO and 3La_2O_3·2BeO belong to orthorhombic and hexagonal symmetry respectively. Their lattice parame-ters and crystallo-optic properties are given.The formation and stability of lanthanum beryllates were discussed in view of crystal chemical principles. In comparison with the corresponding silicates as well as borates the lower stability of lanthanum beryllates can be ascribed mainly to the lower electrostatic binding strength of the Be-O bond, which would account for the liability of dissociation of beryllium-oxygen polyacidic ions at high temperatures.

采用淬火法以及显微镜和X-射线粉末法研究了La_2O_3-BeO系统的相关系,并作出相图。在这个系统中包含有La_2O_3·2BeO和3La_2O_3·2BeO两个化合物,后者可以溶解过量的氧化铍成固溶体,均相区域扩展于3La_2O-3·2BeO-La_2O_3·BeO成份范围内。 La_2O_3·2BeO的熔点是1363±3℃,而3La_2O_3·2BeO在1510±10℃分解熔融。三个不变点是:1356±2℃、40.8%LaO_(1.5)(BeO-La_2O_3·2BeO-液体);1362±4℃、51%LaO_(1.5)(La_2O_3·2BeO—3La_2O_3·2BeO固溶体—液体);和1510±10℃、66%LaO_(1.5)(3La_2O_3·2BeO-La_2O_3-液体)。 利用X一射线粉末法衍射数据,确定La_2O_3·2BeO与3La_2O_3·2BeO分别属于斜方晶系和六方晶系,并测定了它们的结晶光学性质。 从结晶化学的观点讨论了铍酸镧的形成及其稳定性。与相应的硅酸盐和硼酸盐相比较,由于铍氧镧具有较低的静电键强,可以说明在高温时铍酸镧的分解熔融行为。

 
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