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20526 articles

Risk Measurement of China's SME Board Market Based on GARCH-VaR

Mengnan Wang, Liang Dai
The GARCH model can describe the dynamic characteristics of the stock market yield better, but the conclusion of the analysis is not the same because of the different sample data selected by the research. On the basis of the research at home and abroad, this paper selects the China's SME board index...
Proceedings Article

Synthesis of 4-chloro-6-methoxy-2-methyl-3-nitroquinoline

Lei Zhao, Fei Lei, Yuping Guo
4-Chloro-6-methoxy-2-methyl-3-nitroquinoline (1) was synthesized from 4-methoxyaniline through three steps including Cyclization, Nitrification and Chlorination. The structure of the target product (1) was confirmed by 1H NMR and MS. This method started with cheap raw materials was of simple experimental...
Proceedings Article

Synthesis of 4-Chloro-N, N-Dimethyl Pyridine Car Box Amide

Yongli Duan, Zhimin Li, Qidong Tang, Rui Li, Shan Xu
Sorafenib (1) in the medical field to show the potential biological activity. Literature on the majority of tumor cells have a high biological activity, such as lymphoma, breast cancer, prostate cancer. However, some synthetic route of Sorafeni has disadvantages, such as low product yield and complicated...
Proceedings Article

Synthesis of 1-(2-(piperidin-1-yl)ethyl)-1H-pyrrole-2-carbaldehyde

Caolin Wang, Yuanbiao Tu, Jiaqian Han, Yuping Guo
1-(2-(piperidin-1-yl)ethyl)-1H-pyrrole-2-carbaldehyde 4a-b is a new aqueous solubility aldehyde as an important intermediates of small molecule anticancer drugs. In this work, a rapid synthetic method for target compounds 4a-b was established. The compound 4a-b was synthesized from the commercially available...
Proceedings Article

Synthesis of N-(3-chloro-4-fluorophenyl)-6-nitro-7-((tetrahydrofuran-3-yl) oxy) quinazolin-4-amine

Caolin Wang, Yiqiang Ouyang, Zhou Lan
Afatinib (1) exhibited potential biological activities in medicine. There are shortcomings in the synthesis route of afatinib in the literature, the product yield is low and the post-processing is complicated. Therefore, in this paper, the two-step synthetic route of afatinib was optimized. The two-step...
Proceedings Article

Synthesis of 3-phenyl-1H-pyrazole Derivatives

Xiaobo Liu, Shan Xu, Yinhua Xiong
3-phenyl-1H-pyrazole (1) is an important intermediate for the synthesis of many biologically active compounds. It was synthesized from acetophenone (2) and hydrazine through two steps including Knoevenagel condensation, Cyclization reaction reaction. In this paper, three novel 3-phenyl-1H-pyrazole derivatives...
Proceedings Article

Expression of Beta-Adrenergic Receptor in Glioma LN229 Cells and Its Effect on Cell Proliferation

Junhong Dong, Ping Wang, Qingluan Xu, Kunpeng Lv, Yu Wang
Objective To investigate the expression of beta-adrenergic receptor( -AR) in glioma cells and the effect of blocking -adrenergic receptors on glioma cell proliferation. Methods: The expression of beta-adrenergic receptor in glioma LN229 and U251 cells were detected by real time PCR and Western Blotting....
Proceedings Article

Research on Real Estate Industry Cost Stickiness and Its Influencing Factors

Yuemei Wang
The research on cost stickiness behavior is mainly about sales & administrative cost and manufacturing industry, lacking studies on particular niche business. Therefore, the real estate industry paid highly attention was chosen as the research object and an empirical analysis of cost stickiness behavior...
Proceedings Article

Does Environmental Information Disclosure Increase the Firm Value and Investors' Confidence

Tangmei Yuan
Use all A-share listed companies of main board market in 2012 as samples, this paper investigate the influence of environmental information disclosure behavior on the firm future market value and investors` confidence in capital market. The research conclusion indicate that: (1)The listed companies`...
Proceedings Article

Parameter Optimization of ARQ System based on Proximity-1 Protocol

Jie Wang, Chenghua Wang, Hao Wu, Qiangqiang Mao
In order to improve the communication efficiency of the spacecraft in the Proximity space link, a GBN-ARQ scheme is designed based on the proximity-1 protocol. On the basis of this, to maximize the system throughput and normalized throughput, the data frame length and the sliding window length are optimized,...
Proceedings Article

Research of Theoretical Model and Transmission Efficiency of ZC1 Worm Dynamic Lubrication

Dongyue Qu, Chunyu Zhang, Jianan Xu, Rilai Zhang, Shengxi Zhang
The dynamic pressure lubrication theoretical model of worm gear ZC1 is established, the formula of hydrodynamic lubrication discretization for the calculation of the mixed friction efficiency of circular cylindrical worm and worm pair is achieved and the formula and process for solving the hybrid friction...
Proceedings Article

The Fault Diagnosis of Smart Substation Equipment Based on Fuzzy Petri Nets

Shaowen Wan
This paper introduces fault diagnosis method and its mathematical descriptionthe of fuzzy Petri nets, including the basic concept and rule representation. On the basis of the original fuzzy Petri net reasoning decision, the transition threshold judgment is proposed. This paper presents a fault diagnosis...
Proceedings Article

Artificial Neural Networks in Insurance Loss Reserving

Peter Mulquiney
In this paper we analyse insurance data using Artificial Neural Networks (ANN)[1]. In particular, we use ANN for the problem of Loss Reserving. Loss reserving is the practice of estimating the future payments for the claims which have occurred on an insurance portfolio. A difficulty in forecasting future...
Proceedings Article

1/f Fractal Signals Denoising with Dual-Tree Complex Wavelet Transform

Xueyan Li, Shuxu Guo, Ye Li, Jingwei Fu, Shuai Jiang
In the paper, an algorithm based on Dual-Tree Complex Wavelet Transform is proposed for process denoising. Use the variance of the wavelet coefficients at different scales to estimate the parameters of process. Adopting Maximum a Posteriori estimator estimates the wavelet coefficients of process. The...
Proceedings Article

The Influence of Investor Psychology on Disposition Effect

Shu Chun Hsiao, Sun Pi-Chuan
In 1980s, many empirical researches’ findings (i.e., Shiller(1984), Thaler (1985) et al. ) did not support efficient market hypothesis (EMH). Previous studies (e.g., Bernartzi and Thaler, 1995) related to behavioral model suggest that certain market anomalies are consistent with the presence of irrational...
Proceedings Article

An Interactive Intelligent Search Engine Model Research Based on User Information Preference

Dan Meng, Xu Huang
Web service is very important for both e-commerce and e-government. However, web service process based on syntax level can’t deal with some user query very effectively. In order to make user get more information on the internet, semantic web is presented and a lot of related research results have been...
Proceedings Article

Investigate C+L Band EDFA/Raman Amplifiers by Using the Same Pump Lasers

Shien Kuei Liaw
A novel hybrid C+L band EDFA/RFA is designed to share the 1480 nm pump laser(s). The concepts are based on three-level amplification mechanism for the C band EDFA and Raman shift amplification mechanism for the L band RFA, respectively. It has the advantage to simplify the pump source design. The optimum...
Proceedings Article

Applications of Genetic Algorithm to Portfolio Optimization with Practical Transaction Constraints

Chieh-Yow ChiangLin
The portfolio optimization model, initially proposed by Markowitz in 1952 and known as mean-variance model (MV model), is applied to find the optimized allocation among assets to get higher investment return and lower investment risk. However, the MV model did not consider some practical limitations...
Proceedings Article

High-Speed Fuzzy Inference Processor Using Active Rules Identification

Shih-Hsu Huang, Shi-Zhi Liu, Yi-Rung Chen, Jian-Yuan Lai
Once the input values are given, the active rules in a fuzzy inference execution have been determined. Based on the observation, our approach is to identify the active rules before fuzzy inference execution. To achieve this goal, our architecture provides the following two mechanisms: (1) a mechanism...
Proceedings Article

A Hybrid System with Petri Net and Fuzzy Theory

Rong-Hou Wu, Yang-Han Lee, Yih-Guang Jan, Hsien-Wei Tseng, Ming-Hsueh Chuang, Jheng-Yao Lin
In this paper, we issue a hybrid system, which is integrated with the fuzzy system and Petri net models. We exploit the characteristics, imprecise or ambiguous information, of fuzzy theory to map the algorithm of crisp inputs and outputs, furthermore, model problems, product a nonlinear function, and...
Proceedings Article

Grid Reconfigurable Optical Wireless Network (GROW-Net) åÁV A New Hybrid Optical Wireless Access Network Architecture

Wei-tao Shaw, David Gutierrez, Kyeongsoo. Kim, Ning Cheng, Shing-Hwa Wong, Shing-Hwa Yen
In this paper we have proposed the GROW-Net, a novel hybrid optical wireless access network architecture. GROW-Net is designed to provide cost-effective broadband access connections in a highly populated and dense metropolitan area and consists of an optical grid network that provides a broadband backhauling,...
Proceedings Article

A Fuzzy Multiobjective Programming Approach for Vendor Selection in Iron & Steel Enterprise

Yuan Chen, Zhi-Ping Fan, Jun Lv, Jian-Yu Wang
The purpose of this paper is to study vendor selection problem with multi-vendor and multi-item in iron & steel industry. Firstly, the native fuzziness, derived from some uncertainty information, of some parameters in decision-making objectives is analyzed. After that, a fuzzy multiobjective programming...
Proceedings Article

The Prediction for Index Futures Returns and the Relational Analysis of Spillover Effect

Ling-ming Kung, Shang-Wu Yu
This paper adopts the grey prediction methods, to investigate the return and volatility of major index futures among American and Eurasian markets. The grey relational theory and GM(1,N) model are further used to observe the volatility spillover effect and find the main influence factor in the volatility...
Proceedings Article

Image Up-Sampling Using Discrete Wavelet Transform

Ping-Sing Tsai, Tinku Acharya
Image up-sampling is found to be a very effective technique useful in today’s digital image processing applications or rendering devices. In image up-sampling, an image is enhanced from a lower resolution to a higher resolution with the degree of enhancement depending upon application requirements. It...
Proceedings Article

Adaptive License Plate Detection

Pramod U. Chavan, Parag Kulkarni, Amit Khandebharad, Dattatray Khope
License plate detection process can be divided in two parts 1] plate extraction, 2] character segmentation. License plate detection relies on illumination conditions, background and mainly on camera resolution. There is absence of any common standard to compare various algorithms for a LPD system, because...