|
|
|
题名
|
作者
|
年代
|
出处
|
被引量
|
| 1 | Enhancement of Hydrogen Sorption on Metal(Ni, Rh, Pd) Functionalized Carbon Nanotubes: a DFT Study显示文摘 | XIAO Lu CHU Wei SUN Wenjing XUE Ying JIANG Chengfa | 2017 | Chemical Research in Chinese Universities2017，33，3： | 2 |
| 2 | Early detection of lesions of dorsal artery of foot in patients with type 2 diabetes mellitus by high-frequency ultrasonography显示文摘 | Yanrong Zhang Wenjing Li Tianwei Yan Chengfa Lu Xiang Zhou Yan Huang | 2009 | Journal of Huazhong University of Science and Technology2009，，3： | 1 |
| 3 | Effects of ultrasonic impregnation combined with calcination in N_2 atmosphere on the property of Co_3O_4/CeO_2 composites for catalytic methane combustion显示文摘Co_3O_4/CeO_2 composites with high surface areas and ultrafine crystalline sizes for catalytic combustion of methane were firstly prepared by a new sol-gel method which combined ultrasonic impregnation treatment and calcination in N_2 atmosphere. The samples were characterized by various means such as nitrogen adsorption/desorption, X-ray diffraction(XRD), H_2 temperature-programmed reduction(H_2-TPR),X-ray photoelectron spectroscopy(XPS) and transmission electron microscopy(TEM). Results showed that the modified catalyst had the mesoporous structure, comparatively higher amount of surface oxygen and larger oxygen vacancies than others. As a result of the structure and surface composition merits, a high methane combustion conversion(50%) could be obtained at a low temperature of 262 °C for the modified Co_3O_4/CeO_2 composites catalysts. The experimental results demonstrated that ultrasonic impregnation treatment combined with the N_2 thermal treatment prior to calcination in air had a promising application for preparation of Co_3O_4/CeO_2 composites catalysts for low-temperature catalytic combustion of methane. | Hong Lu Chengfa Jiang Zhenwu Ding Wei Wang Wei Chu Yanyan Feng | 2016 | Journal of Energy Chemistry2016，25，3： | 1 |
| 4 | The value of ultrasound elastography in differential diagnosisof superficial lymph nodes显示文摘The study evaluated the value of ultrasound elastography in differentiating the benign and malignant superficial lymph nodes.A total of 112 subjects,including 82 patients with enlarged lymph nodes and 30 healthy volunteers,were recruited.All the subjects were examined by B-mode ultrasonography,power Doppler ultrasonogra-phy and elastography.Most of the patients were histo-pathologically confirmed by needle aspiration cytology and some patients were diagnosed by clinical data combined with follow-upfindings.The sensitivity,speci-ficity and accuracy of B-mode ultrasonography were 59.8%,76.5%and 67.1%,those of the bloodflow classification by power Doppler ultrasonography 77.0%,82.3%and 79.4%and those of elastographic classification 74.7%,97.1%and 84.5%,respectively.The elasticity of the lymph nodes was quantitatively measured and defined as stiffness value.When the stiffness value of 2.395 was taken as the cutoff point,the sensitivity and specificity of elastography were 78.41%and 98.51%,and the Youden index reached the highest,with the value being 0.7692.The stiffness values of two indeterminate benign lymph nodes,the elastrographicfindings of which were rated as patterns 2 and 3,were below the cutoff point.The elastographicfindings of 10 malignant lymph nodes were also classified as pattern 2 or 3.Only one of them had the stiffness values below the cutoff point.It was concluded that ultrasound elastography is a novel,noninvasive and convenient tool for the differentiation of the nature of the superficial lymph nodes in clinical practice. | Yanrong ZHANG Qing LV Yehua YIN Mingxing XIE Feixiang XIANG Chengfa LU Tianwei YAN Wei LI Hui XU Yan HUANG | 2009 | Frontiers of Medicine2009，3，3： | 0 |
| 5 | Influence of channel length and layout on TID for 0.18 μm NMOS transistors显示文摘Different channel lengths and layouts on 0.18μm NMOS transistors are designed for investigating the dependence of short channel effects(SCEs)on the width of shallow trench isolation(STI)devices and designing in radiation hardness.Results show that,prior to irradiation,the devices exhibited near–ideal I–V characteristics,with no significant SCEs.Following irradiation,no noticeable shift of threshold voltage is observed,radiation–induced edge–leakage current,however,exhibits significant sensitivity on TID.Moreover,radiation–enhanced drain induced barrier lowering(DIBL)and channel length modulation(CLM)effects are observed on short–channel NMOS transistors.Comparing to stripe–gate layout,enclosed–gate layout has excellent radiation tolerance. | WU Xue LU Wu WANG Xin GUO Qi HE Chengfa LI Yudong XI Shanbin SUN Jing WEN Lin | 2013 | Nuclear Science and Techniques2013，24，6： | 0 |
您所在的机构暂未开通此部分的功能，请联系管理员