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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. 從原子中的電子對X光散射的概念出發(fā),對任意一個(gè)晶胞內的任意一個(gè)原子產(chǎn)生的X光衍射給出了具體的數學(xué)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. 本文采用化學(xué)溶液沉積 (CSD)工藝在Si(10 0 )襯底上制備了Bi4 Ti3O12 鐵電薄膜 ,這種薄膜的X射線(xiàn)衍射 (XRD)結果顯示其具有較好的結晶性。
- The results of X ray diffraction analyses further proved that compounds (A) and (B) are of two different phases. X-射線(xiàn)粉末衍射物相分析的結果又進(jìn)一步證實(shí)了化合物 (A)和 (B)是兩種完全不同的物相。
- This paper describes the design of Automatic Measurement &Control System of X Ray Diffraction Goniometer. 摘要介紹了X射線(xiàn)衍射定向儀的工作原理,并對X射線(xiàn)衍射定向儀的自動(dòng)測控系統的設計進(jìn)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. 用轉矩及X光衍射等方法研究了退火工藝對該合金性能影響的機制。
- 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熱干燥制成預糊化淀粉的過(guò)程中,X射線(xiàn)衍射曲線(xiàn)的變化規律。
- By the use of X rays,doctors can see within the body. 醫生用X光可以看到人體內部。
- By the use of X rays, doctors can see within the body. 醫生用X光可以看到人體內部。
- 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. 方法制備聚乙二醇(PEG)/蒙脫石(MMT)納米復合材料,采用X-射線(xiàn)衍射分析PEG/MMT插層復合物的結構;
- PURPOSE: To evaluate the clinical value of X ray lateral cephalogram in the measurement of adenoids in children. 目的:探討側位X線(xiàn)頭顱定位片在兒童腺樣體測量中的應用價(jià)值。
- Model LLL X ray interferometer has been manufactured according to the characteristics of X ray interference. 根據X射線(xiàn)干涉的特點(diǎn),制出LLL型X射線(xiàn)干涉器件。
- Methods Atlantoodontoid interval of 120 adult crania was measured in the lateral image of X ray film. 方法測量120例(維吾爾族48例,漢族72例)成人頭顱X線(xiàn)側位片寰齒間距。
- Purpose: To investigate the formative mechanism and diagnostic value of X ray venogram for pelvic vein congestion syndrome after tubal ligation. 目的:探討對輸卵管結扎術(shù)后盆腔靜脈瘀血綜合征形成機理及X線(xiàn)造影診斷價(jià)值。
- The controlment can increase the work speed and accuracy of X ray industry TV inspection system,and also can less the labor strength. 這種控制系統可顯著(zhù)提高X光工業(yè)電視檢查系統的工作速度和準確性 ,同時(shí)可減輕勞動(dòng)強度
- Intratracheal metal stent was inseted under the guidance of X ray TV fluoscope for malignant tracheobronchial obstruction in 7 cases. 本組7例均為食管癌所致氣管、支氣管狹窄,其中2例為完全性食管梗阻伴食管氣管瘺。
- Objective: To assess the diagnostic value of X ray and CT in HIV-positive patients with Pneumocystis carinii pneumonia (PCP). 摘要目的:評估X光片及CT對HIV患者合并肺孢子菌肺炎的診斷價(jià)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射線(xiàn)衍射(XRD)分析技術(shù)分析了長(cháng)江水下三角洲地區65個(gè)表層沉積物樣品的粘土礦物。
- 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:對14例胸腰椎骨折患者行X線(xiàn)片、CT掃描和三維CT重建檢查,評估胸腰椎骨折脫位的程度,擬定治療方案。
- Transmission electron microscope (TEM), Raman spectroscopy and X ray diffraction (XRD) were used to investigate the lattice structures, phonon properties of the samples. 通過(guò)透射電境、X光衍射和拉曼散射對納米晶的晶格結構和聲子特性進(jìn)行了研究。