The Laser Rangefinder System in Quadrature Modem and Ambiguity Resolution [0.03%]
一种正交调制测距系统及模糊度解算方法
Wen-cheng Zhao,Xian-ze Xu,Pan-pan Liu et al.
Wen-cheng Zhao et al.
We propose a laser rangefinder system based on the quadrature modem to achieve amplitude modulation, the method improves the accuracy of the phase measuring and simplifies the hardware design compared to the system with the secondary mixing...
Xian-feng Zhu,Bin Jiao,Jing Zhao et al.
Xian-feng Zhu et al.
The heart rate (HR) measurements based on the camera (visible light) can be used to detect HR in non-contact mode, which has great application prospects both in the clinical application and home health care. However, CMOS sensors equipped w...
Determination of Pb, Cr, Cd, and As in Aluminum-Plastic Packaging Materials via Inductively Coupled Plasma-Mass Spectrometry with Microwave Digestion [0.03%]
微波消解等离子体质谱法测定铝塑包装材料中铅、铬、镉和砷
Hai-peng Mi,Hong-ming Zhu,Gen-rong Li et al.
Hai-peng Mi et al.
Microwave digestion was performed to study the pretreatment methods of aluminum-plastic packaging materials (APPMs). Five different digestion reagent combinations and proportions were thoroughly considered. Digestion results indicated that ...
Study on Molecular Recognition of Cucurbit[6]uril with Oxytetracycline Molecules by Spectroscopic Methods [0.03%]
荧光和拉曼光谱法研究葫芦[6]脲与oxytetracycline分子间的主客体识别作用
Kun Yan,Ping Wang,Yun Liu et al.
Kun Yan et al.
The molecular recognition of Cucurbit[6]uril (CB[6]) with Oxytetracycline (OTC) was studied by fluorescence spectra and UV spectra. The results showed that the fluorescence intensity and the UV absorbance of OTC were enhanced as host molecu...
Li-min Liao,Bing Deng,Guang-dong Lei
Li-min Liao
The pyrazoline was chosen as the luminescent functional group, and then four kinds of new polyamide polymer blue fluorescent materials were designed and synthesized. The structures of them were confirmed by using NMR (H 1NMR) and gel permea...
Effect of the Nitrogen Incorporation on the Microstructure and Photoelectric Properties of N Type Nanocrystalline Silicon Thin Films [0.03%]
氮掺杂对n型纳米晶体硅薄膜微结构及光电性能的影响研究
Deng-hao Ma,Wei-jia Zhang,Rui-ying Luo et al.
Deng-hao Ma et al.
N type silicon-rich nanocrystalline-SiN(x) ∶ H films were prepared by plasma enhanced chemical vapor deposition technique by changing NH3 flow rate. The effect of nitrogen incorporation on the microstructure and photoelectric properties of...
Direct Evidences of Shallow Donor Level Enhanced Green Emission in ZnO Quantum Dots [0.03%]
ZnO量子点中浅施主能级增强绿光发射的直接证据
Xiao-yun Zhou,Hong-gang Ye,Ao Huang et al.
Xiao-yun Zhou et al.
ZnO Quantum dots with particle sizes about 5 nm were prepared by sol-gel method, the research about the photo luminescence(PL)/photoluminescence excitation(PLE) spectrum and the fluorescence lifetime indicated that the green emissions can b...
Tao Chen,Zhi Li,Fang-rong Hu et al.
Tao Chen et al.
This paper develops an effective identification method to discriminate genetically modified (GM) and non-GM organisms. The method is proposed based on terahertz (THz) spectroscopy and support vector machines optimized by Cuckoo Search algor...
[Development and Output Characteristics of 785 nm Portable Grating-Coupled External Cavity Tunable Semiconductor Laser] [0.03%]
[785nm便携式光栅耦合外腔可调谐半导体激光器的研制及输出特性]
Fei Wang,Xue-qin Lü,Ding Ding et al.
Fei Wang et al.
Aiming at the miniaturization requirement of shifted excitation Raman spectroscopy test system, a portable grating-coupled external cavity (EC) tunable semiconductor laser in Littrow configuration is designed and fabricated with a commercia...
[X-Ray Fluorescence Intensity Calculation for Micro-Particles via MCNPX and WDXRF Experiment] [0.03%]
基于MCNPX和WDXRF实验的微粒X射线荧光强度计算
He-fan Liu,Liang-quan Ge,Zi-hang Zhou et al.
He-fan Liu et al.
In order to research the effect of X-ray fluorescence (XRF) analysis on the results in the sample’s micro particles, MCNPX models had been established for an X-ray fluorescence analyzer in this paper. It had studied the characteristics of ...