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检索条件"作者=xuwen li"
1141 条 记 录,以下是31-40 订阅
排序:
Graphene-encapsulated silica as matrix solid-phase dispersion extraction sorbents for the analysis of poly-methoxylated flavonoids in the leaves of Murraya panaculata (L.) Jack
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JOURNAL OF SEPARATION SCIENCE 2015年 第12期38卷 2132-2139页
作者: Sun, Ting li, xuwen Yang, Jie li, Lanjie Jin, Yongri Shi, Xiaolei Jilin Univ Coll Chem Changchun 130062 Peoples R China Jilin Univ Coll Quartermaster Technol Changchun 130062 Peoples R China
In this study, graphene-encapsulated silica was synthesized by a hydrothermal reduction strategy. The presence of silica in graphene was identified by Fourier-transform infrared spectrometry, X-ray diffraction and sca... 详细信息
来源: 评论
Dispersive solid-phase extraction of organophosphorus pesticides from apple, cucumber and water samples using reduced graphene oxide coated with ZnO nanocomposites as a sorbent
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ANALYTICAL METHODS 2015年 第15期7卷 6095-6102页
作者: Sun, Ting Jin, Yongri Yang, Jie li, Lanjie Shi, Xiaolei li, xuwen Jilin Univ Coll Chem Changchun 130021 Peoples R China Jilin Univ Coll Quartermaster Technol Changchun 130062 Peoples R China
In this work, reduced graphene oxide coated with ZnO (RGO-ZnO) nanocomposites was synthesized by a hydrothermal reduction strategy. The presence of ZnO was characterized by Fourier transform infrared spectroscopy (FT-... 详细信息
来源: 评论
Dependence of the liquid crystalline properties on the exactly controlled single-site functionalized density of mesogens focused on the alternating copolymer model
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POLYMER CHEMISTRY 2021年 第45期12卷 6561-6568页
作者: Zhang, Ruixue li, xuwen Ma, Hongwei Han, li li, Chao Zhang, Songbo Bai, Hongyuan li, Yang Dalian Univ Technol Sch Chem Engn Dept Polymer Sci & Engn State Key Lab Fine Chem Dalian 116024 Peoples R China
Fluorinated liquid crystal polymers (FLCPs) with an AB/A(2)B-alternating sequence of fluorinated biphenyl moieties (FMs) along their backbones were constructed, where the anionic copolymerization of isoprene (Ip) with... 详细信息
来源: 评论
Hardware design of ADSP-BF548 based portable patient monitor
Hardware design of ADSP-BF548 based portable patient monitor
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2nd Annual Conference on Electrical and Control Engineering, ICECE 2011
作者: li, xuwen Wu, Qiang Wu, Shuicai College of Life Science and Bio-engineering Beijing University of Technology Beijing China College of Electronic Information and Control Engineering Beijing University of Technology Beijing China
This paper studies on hardware design of a novel patient monitor based on one ADSP-BF548 blackfin dsp. The NIBP, 12-lead ECG, SPO2 and body temperature functions are successfully implemented. A 6.4 inch TFT LCD with a... 详细信息
来源: 评论
The Influenceof Rare Earth Element on α-Solidification of A356 Alloy
The Influenceof Rare Earth Element on α-Solidification of A...
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International Conference on Advances in Materials and Manufacturing Processes
作者: Zheng, Zhiqiang Xiong, Xingen Chen, Keming li, xuwen Nanchang Univ Nanchang 330031 Peoples R China
The Influenceof Rare Earth Element on alpha-Solidification of A356 Alloy has been discussed in the paper. It is showed by the research, that the condition of interphase is changed by Rare Earth element asymmetry distr... 详细信息
来源: 评论
Detecting differences in volume pulse wave parameters among fingers and toes in four different postures
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BIO-MEDICAL MATERIALS AND ENGINEERING 2015年 第Sup1期26卷 S389-S394页
作者: Yan, Tingting Yang, lin Zhang, Song Yang, Yimin li, xuwen Beijing Univ Technol Coll Life Sci & Bioengn 100 Ping Le Yuan Beijing 100124 Peoples R China
The measurement of volume pulse waves may be easily affected based on the measured position (different fingers or toes), body posture, as well as other factors. Therefore, interferences during measurement need to be r... 详细信息
来源: 评论
Sensitive determination of three aconitum alkaloids and their metabolites in human plasma by matrix solid-phase dispersion with vortex-assisted dispersive liquid-liquid microextraction and HPLC with diode array detection
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JOURNAL OF SEPARATION SCIENCE 2016年 第10期39卷 1971-1978页
作者: Wang, Xiaozhong li, xuwen li, Lanjie li, Min liu, Ying Wu, Qian li, Peng Jin, Yongri Jilin Univ Coll Chem Changchun 130012 Peoples R China Ningxia Univ Sch Chem & Chem Engn Yinchuan Peoples R China
A simple and sensitive method for determination of three aconitum alkaloids and their metabolites in human plasma was developed using matrix solid-phase dispersion combined with vortex-assisted dispersive liquid-liqui... 详细信息
来源: 评论
A POWER MANAGEMENT CIRCUIT COMPATIBLE with Ti SmartReflex and Xilinx Ultrascale+ MPSoC DUAL VOLTAGE MECHANISM  10
A POWER MANAGEMENT CIRCUIT COMPATIBLE with Ti SmartReflex an...
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10th International Conference on Computing and Pattern Recognition, ICCPR 2021
作者: li, Chenyun li, xuwen Tang, Changjiang Wu, Qiang Beijing University of Technology China
Since the semiconductor technology has entered the age of 90 nm, the static power consumption of the chip has increased rapidly. For edge computing devices, the waste of power can not be ignored. This paper uses the r... 详细信息
来源: 评论
Design and Implementation of Electronic Image Stabilization System Based on Dual-core DSP
Design and Implementation of Electronic Image Stabilization ...
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9th International Conference on Intelligent Information Hiding and Multimedia Signal Processing (IIH-MSP)
作者: Zhang, Haolong Wu, Qiang liu, Tianqi li, xuwen Beijing Univ Technol Coll Elect Informat & Control Engn Beijing Peoples R China Beijing Univ Technol Coll Life Sci & Bioengn Beijing Peoples R China
Electronic image stabilization (EIS) technology is an important research area of video processing and computer vision. This paper presented a set of fast and parallel EIS algorithms. Firstly, this paper proposed a fas... 详细信息
来源: 评论
Research of The Real-time Performance of Operating System
Research of The Real-time Performance of Operating System
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5th International Conference on Wireless Communications, Networking and Mobile Computing
作者: Jun Shen Qiang Wu xuwen li Yanhua Zhang Beijing Univ Technol Coll Elect & Control Engn Beijing Peoples R China Beijing Univ Technol Coll Life Sci & Bio Engn Beijing Peoples R China
Contraposing the basic principles and mechanism of the real-time operating system, the paper has compared general operating systems with real-time operating system, and made a good effort to analyze the key factors wh... 详细信息
来源: 评论