New terms Structure（结构 jiē gòu） Ore（矿石 kuàng shí） Tetrahedron（四面体 sì miàn tī） Hexagonal （ 六边形的 liù biān xíng de) Close-packed cubic (ccp) (面心立方 miàn xīn lì fāng) Ductile/brittle (可延展的kě yán zhǎn de /易碎的yì suì de) A2 structure (“bcc”) (体心立方 tī xīn lì fāng ） Close-packed plane （密排面 mì pái miàn） Unit cell （晶胞 jīng bāo） Hexagonal close-packed (hcp) （六方密堆 liù fāng mì duī) Plastic deformation （塑造成型 sù zào chéng xíng） Layer sequence （层系 céng xì）

New terms - second week Polytype (多型 duō xíng) Rutile/anatase (金红石jīn hóng shí/锐钛矿ruì tài kuàng) Polymorph (多晶形 duō jīng xíng) Refractive index (折射率 zhé shè lǜ) X-ray diffraction (X射线衍射 X shè xiàn yǎn shè) Centric/non-centric (中心的 zhōng xīn de /非中心的 fēi ~) Ferroelectric (铁电的 tiě diàn de) Superconductor (超导体 chāo dǎo tǐ) Zeolite (沸石 fèi shí) Molecular sieve (分子筛 fēn zǐ shāi)

New terms - third week Nanotube (纳米管nà mǐ guǎn) Polyethylene (聚乙烯 jù yǐ xī) Amorphous (非晶的 fēi jīng de) Spherulite (球粒 qiú lì) Crystallography (晶体学 jīng tǐ xué) Crystal structure (晶体结构 jīng tǐ jié gòu) Symmetry (对称性 duì chèn xìng) Rotation axis (旋转轴 xuán zhuǎn zhóu) Mirror (镜 jìng) Point group (点群 diǎn qún) Lattice (晶格 jīng gé) Periodic (周期性的 zhōu qī xìng de) Lattice parameters (晶格参数 jīng gé cān shù)

New terms - fourth week Crystal system (晶系 jīng xì) Primitive (简单的 jiǎndānde) End-centered (底心的dǐxīnde) Bravais lattice (布拉伐格子) Stereographic projection (立体图形投影) Rotoinversion (旋转-反演xuánzhuǎn-fǎnyǎn) Point group diagrams (点群示意图)

New terms - fifth week Space group (空间群) Equipoint Positional parameters (位置坐标)

New terms - sixth week 1. Lattice plane (晶格面) 2. Interplanar spacing (晶面间距) 3. Miller indices (密勒指数) 4. (hkil) 5. Zone (晶带) Zone axis (晶带轴) 7. Space group (空间群) 8. Equipoint 9. Positional parameters (位置坐标)

New terms - seventh week 1. Reciprocal lattice (倒易点阵) X-rays (X射线) X-ray tube (X射线管) 4. White radiation (白光) 5. Characteristic radiation (标识辐射) 6. X-ray spectrum (X射线谱)

New terms - eighth week 1. Moseley's law (莫斯莱定律 ) 2. Takeoff angle (发射角) 3. Focal spot, line focus, point focus (焦点，行聚焦，点聚焦) 4. Rotating anode (旋转阳极) 5. Synchrotron (同步加速器) 6. Storage ring (储存环) 7. Beamline (光束线)

New terms - ninth week 1. Linear attenuation coefficient (线性衰减系数) 2. Mass attenuation coefficient (质量衰减系数) 3. Absorption edge (吸收限) 4. X-ray fluorescence (X射线荧光) 5. -filter (β 滤波器) 6. Braggs' law (布拉格定律) 7. Ewald construction (埃瓦得造图) Polycrystalline (多晶的)

New terms - tenth week 1. Debye rings (德拜环) 2. Powder diffractometer (粉末衍射仪) 3. Divergence slit (发散狭缝光阑) 4. Focusing slit (聚焦狭缝光阑), focusing circle (聚焦圈) 5. Soller slit (苏莱尔光阑) 6. Scintillation counter (闪烁计数器) 7. Solid state detector (固体探测器) 8. Deadtime (死区) 9. Pulse height discrimination (脉冲幅度鉴别) 10. Monochromator (单色器)

New terms - 11th week 1. Indexing (标定指数) 2. Extinction rule (消光规则) 3. Quantitative analysis (定量分析) 4. Internal, external standards (内，外标准) 5. Rietveld analysis (Rietveld分析 ) 6. Atomic scattering factor (原子散射因数) 7. Structure factor (结构因数) 8. Multiplicity (重数) 9. Lorentz-polarization factor (洛伦茨-偏振因数) Temperature factor (温度因数) Electron density distribution (电子密度分布)

New terms - 12th week 1. Crystallite size (晶子范围) (jing1 zi fan4 wei2) 2. Microstrain (微张力) (wei1 zhang1 li4) 3. Scherrer equation (Scherrer 等式) (- deng3 shi4)