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- From the conception of X ray diffraction of electrons in an atom, the mathematical expression of X ray diffraction for an atom in a crystal cell is given. 从原子中的电子对X光散射的概念出发,对任意一个晶胞内的任意一个原子产生的X光衍射给出了具体的数学描述。
- Bi 4Ti 3O 12 ferroelectric thin films were prepared on Si(100)substrates by chemical solution deposition (CSD). The results of X ray diffraction (XRD)patterns show the films have good orientation. 本文采用化学溶液沉积 (CSD)工艺在Si(10 0 )衬底上制备了Bi4 Ti3O12 铁电薄膜 ,这种薄膜的X射线衍射 (XRD)结果显示其具有较好的结晶性。
- The results of X ray diffraction analyses further proved that compounds (A) and (B) are of two different phases. X-射线粉末衍射物相分析的结果又进一步证实了化合物 (A)和 (B)是两种完全不同的物相。
- This paper describes the design of Automatic Measurement &Control System of X Ray Diffraction Goniometer. 摘要介绍了X射线衍射定向仪的工作原理，并对X射线衍射定向仪的自动测控系统的设计进行了描述。
- The mechanism of the effect of annealing on the properties was studied by means of X ray diffraction and torque measurement. 用转矩及X光衍射等方法研究了退火工艺对该合金性能影响的机制。
- In the course of corn starch being pregelatinied by heating and drying, the law of change of X ray diffraction pattern is studied. 研究了玉米淀粉糊在加热干燥制成预糊化淀粉的过程中，X射线衍射曲线的变化规律。
- By the use of X rays,doctors can see within the body. 医生用X光可以看到人体内部。
- By the use of X rays, doctors can see within the body. 医生用X光可以看到人体内部。
- Methods The structure of PEG/MMT nanocomposite was analyzed by means of X ray diffraction and its effect of blood lipid and albumin adsorption was evaluated in comparison with Na-MMT. 方法制备聚乙二醇(PEG)／蒙脱石(MMT)纳米复合材料，采用X-射线衍射分析PEG/MMT插层复合物的结构；
- PURPOSE: To evaluate the clinical value of X ray lateral cephalogram in the measurement of adenoids in children. 目的:探讨侧位X线头颅定位片在儿童腺样体测量中的应用价值。
- Model LLL X ray interferometer has been manufactured according to the characteristics of X ray interference. 根据X射线干涉的特点，制出LLL型X射线干涉器件。
- Methods Atlantoodontoid interval of 120 adult crania was measured in the lateral image of X ray film. 方法测量120例(维吾尔族48例,汉族72例)成人头颅X线侧位片寰齿间距。
- Purpose: To investigate the formative mechanism and diagnostic value of X ray venogram for pelvic vein congestion syndrome after tubal ligation. 目的:探讨对输卵管结扎术后盆腔静脉瘀血综合征形成机理及X线造影诊断价值。
- The controlment can increase the work speed and accuracy of X ray industry TV inspection system,and also can less the labor strength. 这种控制系统可显著提高X光工业电视检查系统的工作速度和准确性 ,同时可减轻劳动强度
- Intratracheal metal stent was inseted under the guidance of X ray TV fluoscope for malignant tracheobronchial obstruction in 7 cases. 本组7例均为食管癌所致气管、支气管狭窄,其中2例为完全性食管梗阻伴食管气管瘘。
- Objective: To assess the diagnostic value of X ray and CT in HIV-positive patients with Pneumocystis carinii pneumonia (PCP). 摘要目的：评估X光片及CT对HIV患者合并肺孢子菌肺炎的诊断价值。
- The clay minerals in 65 surface sediment samples from the Changjiang River subaqueous delta were analyzed by using X ray diffraction (XRD) analysis technique. 摘要采用X射线衍射(XRD)分析技术分析了长江水下三角洲地区65个表层沉积物样品的粘土矿物。
- Method:14 cases of thoracolumbar fractures took the preoperative examination of X ray,CT scan and 3 D CT. Based on these images,appopriate treatment were selected. 方法：对14例胸腰椎骨折患者行X线片、CT扫描和三维CT重建检查，评估胸腰椎骨折脱位的程度，拟定治疗方案。
- Transmission electron microscope (TEM), Raman spectroscopy and X ray diffraction (XRD) were used to investigate the lattice structures, phonon properties of the samples. 通过透射电境、X光衍射和拉曼散射对纳米晶的晶格结构和声子特性进行了研究。
