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6726 articles

Development status, problems and policy suggestion of 5G

Xiumin Ye
5G has the advantages of high reliability, low ductility, high speed ,etc. 5G not only can greatly enhance the experience of internet users, but also detonate the transformation and development of traditional industries such as industrial internet, artificial intelligence, mobile medical and other fields....
Proceedings Article

Association Between 25(OH)D Serum Levels with Calcaneus Bone Mass Density in Elderly at Rural Public Health Care Clinics of Jakarta Islamic State University in 2017

Achmad Zaki, Nurhayati Adnan, Sudarto Ronoatmodojo, Fika Ekayanti, Flori R. Sari, Amalina Fitrasari, Ning Indah P
Osteoporosis is systemic bone disease marked by decline of bone mass density (BMD) and deterioration of bone microarchitecture so that bones become brittle and break easily. With the increasing of life expectancy, number of elderly in Indonesia will increase simultaneously. Estimated 10% of Indonesian...
Proceedings Article

[WITHDRAWN]Cooling Vests With Protein-Based Fiber for Athletes' Comfort

Johansyah Lubis, Dewi Suliyanthini
Recovery process is strongly believed to be significant in improving athletes' performance during and after training. One of the recovery process is physiotherapeutic. It uses cooling vests. The existing cooling vests around are made of materials such as anti-bacterial treatment, 50% nylon jersey, 50%...
Proceedings Article

Mathematical modeling analysis of the friction heating process of resin substance

Gou Ge
The resin is `d for vehicle brake, in order to avoid the safety problems because of the significant temperature rise caused by the resin substance friction effect, the process of friction heating resin substance is made mathematical modeling analysis. Through the strengthen Lagrange algorithm obtain...
Proceedings Article

Retrieval of wave information using nautical radar images based on the 2D CWT and 1D FFT algorithm

Feng-zhou Ju, Xiao-liang Chu, Jian Wang, Yan-zhen Gu
It is a useful way to gain ocean wave information using X-band nautical radar images. In this paper, an algorithm of 2-D CWT in spatial domain and 1-D FFT in time domain is presented for extracting the wave information. Firstly, the basic theory of 2-D continuous wavelet transform for space domain and...
Proceedings Article

Properties and Thermal Decomposition of SBS Flame Retarded with Phosphorus- and Nitrogen- Containing Flame Retardants

Yiren Huang, Zhengzhou Wang
Flame retardant and mechanical properties of ammonium polyphosphate (APP), melamine phosphate (MP) and their combination with dipentaerythritol (DPER) in styrene-butadiene-styrene rubber (SBS) were studied. The results indicate that MP is more effective in raising limiting oxygen index (LOI) in SBS than...
Proceedings Article

2-D DOA Estimation for Acoustic Vector Sensor Array Based on Greedy Block Coordinate Descent Algorithm

Jie Hu, Wei Li, Shaojun Zuo
This paper presents an approach for the estimation of two-directional (2D)direction-of-arrival (DOA) using Acoustic Vector Sensor array based on greedy block coordinate descent(GBCD) algorithm, which can achieve faster convergence rate and better estimation accuracy. Moreover, a weighted form of block...
Proceedings Article

Relations between the solutions to matrix equations AXA=B and CYC=D

Jing Wang
In this paper, we present some results on the relations between the solutions to matrix equations AXA=B and CYC=D, where B and D are Hermitian matrices.
Proceedings Article

A Fusion Method of Rocket Launchers’ Testing Information Based on the Improved D-S Evidence Theory

Yi-bin Zhao, Zheng-yu Zhao, Xiao-chen Xing, Guo-feng Xu
In order to make more effective decision level analysis on the testing information of rocket launchers, this paper analyzes the existing disadvantages of evidence theory, draws into the concept of weight coefficient integrated with existing improved method, proposes new improvement of the combination...
Proceedings Article

Private Cloud based Solution for the Implementation of a Virtual and Personal Learning Environment

Jimin Gao
Online learning is a learning way to use online education platform for learners. It could let the learners start learning at anytime from anywhere by removing the traditional education's time and space limit. As the online learning style becomes more and more popular, its main base environment has gradually...
Proceedings Article

D Design and Implementation of Limestone Activity Real-time Detection System Based on Qt /Qwt

Hao Xu, Pingping Shan, Ke Chen, Zheng Zhang
The limestone Detection System is developed by Qt assisted by Qwt and Modbus protocol based on Linux platform. The system can detect activity of limestone and PH value in real-time. This article begins with a brief description of the background and the functional requirements of the system, given the...
Proceedings Article

Shellac nanofibers prepared using a modified coaxial electrospinning with a Triton X-100 solution as the sheath fluid

Yong-Hui Wu, Chen Yang, Sheng-You Lu, Shi-Cheng Jia, Chuang-Jian Li, Deng-Guang Yu
The present study reports that a modified coaxial electrospinning process, which was successfully carried out to control the diameters of shellac fibers. With a Triton-X100 in ethanol as sheath working solution and shellac ethanol solution as a core electrospinnable fluid, the coaxial electrospinning...
Proceedings Article

Map Building Method Based On Improved D-S Evidence Theory For Mobile Robot

Lei Zhu, Jiang Guo, Jinsong Yang, Mingdong Shao, Jiming Sun, Dapeng Gong, Hongyu QI
Focusing on the uncertainty of the environment, a grid map building method based on the multi ultrasonic sensors is provided. Firstly, the single ultrasonic sensor grid model is constructed by dividing the detected area into three regions. Then the evidences which are needed to fuse are self-adaptively...
Proceedings Article

Aerial target recognition based on Zernike moments of information fusion

Tai Fu, Xiangyi Sun, Dan Fu
Based on OpenGL and Google library we established the target model library and the canny operator is used for edge detection. Combined with D-S evidence theory and Pseudo-Zernike moments, the air target recognition algorithm based on information fusion is proposed. Pseudo-Zernike moments are invariant...
Proceedings Article

The Exploration and Practice of MVVM Pattern on Android Platform

Wei Sun, Haohui Chen, Wen Yu
How UI designers and business engineers collaborate to development apps on Android platform conveniently and effectively is a difficult problem to tackle when projects get more complicate and need more effort. This paper compared the commonality and variability of MVVM with the commonly used MVC and...

Economic Transformation, Monetary Policy and Enterprise R&D Investment

Zhao Yan
The impact of macroeconomic environment and its regulatory policies on micro-enterprise investment and financing behavior has become one of the research hotspots in the company's financial field. This study takes 1754 listed companies listed on the Shanghai and Shenzhen Stock Exchanges in 2007-2017 as...

The Improvement of Metacognition of Chemistry Education Students using Metacognitive Learning Strategy

Parlan, Suhadi Ibnu, Sri Rahayu, Suharti
Learning content of chemistry includes factual, conceptual, procedural, and metacognitive knowledge. To well master the learning content, students’ metacognition is required. Students’ metacognition can be formed and developed through learning. Metacognitive learning strategy is one of the strategies...

Research on the Evaluation Index System for Patent Financing Capacity of High-tech Enterprises

Zhao-Hui Chen, Zhi-Juan Zhou
High-tech enterprises have been playing important role in R&D and patent commercialization, yet the process often face capital bottlenecks. Under these circumstances, this paper proposes an index system for evaluating the patent financing capacity of enterprises from the perspective of the combination...

Analysis and Practice of the Cultivation Methods of Students' Innovative Ability Based on Industry- University-Research Cooperation

Shuqin Li, Kun Meng, Meng Ding
The most popular technologies such as artificial intelligence and big data are inseparable from the support of computers. Those who are proficient in the working principle of computer systems and innovative in using computer technology to solve real problems in production and life have become the shortages...

The SWOT Analysis and Countermeasures for the Development of the New Energy Vehicle Industry in China

Chunyan Qu, Tianhe Zu
Under the pressure of environmental and energy issues, the development of new energy vehicles is a general trend. China attaches great importance to the event of new energy vehicles. After 20 years, the combination of production and learning, demonstrate and operation have made the new energy vehicles...
Proceedings Article

Synthesis of N-methylthieno [2, 3-d] Pyrimidin-4-amine Thienopyrimidine

Huajun Lei, Min Wang, Jiaqian Han, Zhou Lan
Thieno[2,3-d]pyrimidine is a key intermediate in many biologically active compounds such as GDC-0941 and BKM 120. In this work, a rapid synthetic method for compound (4) was established. The compound (4) was synthesized from the commercially available methyl 2-aminothiophene-3-carboxylate and formimidamide...
Proceedings Article

Synthesis of 4- (Thieno [3, 2-d] pyrimidin-4-yl) Morpholine

Huajun Lei, Linxiao Wang, Yingjia Xiong, Zhou Lan
4-(Thieno[3,2-d]pyrimidin-4-yl)morpholine derivatives is an important intermediate which inhibited tumor necrosis factor alpha and nitric oxide. In this work, a rapid and green synthetic method for compound (5) was established. The compound (5) was synthesized from the commercially available methyl 3-aminothiophene-2-carboxylate...
Proceedings Article

Analysis of Carbon Emissions and Productivity of China's Construction Industry Based on Panel Data

Dong Zhai, Yajun Pang, Jiayi Wen
The paper analyzes the panel data of construction productivity, energy intensity effect of construction industry, energy structure effect of construction industry, R & D intensity, foreign capital ratio and capital intensity as explanatory variables to obtain the carbon emission factors of construction...
Proceedings Article

Design and Development of Mobile Academic Platform in Universities

Yunju Chang, Lili Hong, Guang Su, Xuesong Leng
Under the background of the less connection between teachers and students in universities and the rapid development of the Internet, and according to the needs of students and teachers, the topic was to design and develop university research and academic platform prototype based on Android. First of...
Proceedings Article

An Application of Intellectual Capital on Financial Distress Models by Using Neural Network

Kuang-Hua Hsu, Jian-Fa Li, Hon-Jenq Fan
As the era of knowledge economy is prevalent in U.S. during 1992, knowledge economy plays an important role around the world. The value and competition of the traditional companies accounted on tangible assets. However, in the era of knowledge economy, the value and continuing operation of the companies...
Proceedings Article

Algorithms for Indexing Dynamic XML Data

Jeang-Kuo Chen, Jen-Peng Hsu
Some approaches such as path indexing, labeling, and numbering scheme have been proposed in order to facilitate query of XML data. The indexes derived by these approaches must be rebuilt if XML data is updated. The method LSDX (Labeling Scheme for Dynamic XML data) can dynamically add new labels without...