Research on behavior detection of free-riding based on neighbor downloading nodes in the BT network
SUN Yan;WANG Hai-long;Liren College of Yanshan University;Department of Computer;College of Information Science and Engineering;Yanshan University;

..............page:1-8

he bei sheng ke xue yuan xue bao gao yue

..............page:2

60 character indices and 100 related film formation factors of diamond films
LUO Ting-li;Hebei Institute of Laser;

..............page:9-17

Open source software vulnerability patch collection and management
ZOU Ya-yi;LI Zhen;Class 1 Senior 2;High School Attached to Huazhong University of Science and Technology;School of Computer Science and Technology;Huazhong University of Science and Technology;

..............page:18-22

Structure analysis of 2.4 meters offset grid antenna in MSC Patran/Nastran
REN Bing-rui;WU Zhi-cai;LAN-fei;China Communication System Co.;Ltd.Hebei Branch;

..............page:23-28+34

The application of the law of sines and cosines on antenna azimuth angle emendation
JIA Yan-mei;ZHOU Hong-bo;PENG Shi-lin;Hydrology and Water Resources Survey Bureau of Cangzhou City;The 54th Research Institute of CETC;Wuwei NO.1 Middle School of Anhui Province;

..............page:29-34

The application of differential calculus on antenna Servo-Control
PENG Shi-lin;ZHOU Hong-bo;JIA Yan-mei;Wuwei NO.1 Middle School of Anhui Province;The 54th Research Institute of CETC;Hydrology and Water Resources Survey Bureau of Cangzhou City;

..............page:35-38

Research and application of plant vacuolar Na~+/H~+ antiporter
REN Xiu-yan;WANG Bao-zeng;WANG Cong-yan;HOU Zhi-min;College of Life Science;LangFang Teachers University;Edible and Medicinal Fungi Research and Development Center of Hebei Universities;

..............page:39-48

The effect of solid waste to the emission of atmospheric heavy metals in cement production
MA Yi-lin;Beijing No.4 High School;

..............page:49-53

A review of the present situation and assessment on heavy metal contamination in urban soils of China
PAN Han-yue;Nanjing Agricultural University;

..............page:54-61

Application of hypothetical development method in assessment of primary market of the right to use sea areas
GUO Dong-jie;ZHAO Yu-fei;KE Wei;The Bureau of Land Resources Qinhuangdao;Hebei Sanhe Land Appraisal Co.;Ltd.;

..............page:62-66

Optimization of FITR spectrometry conditions of Rhodobryum roseum by single-factor test and orthogonal experiment
CAO Zhen;WANG Zhen-jie;ZHAO Jian-cheng;Hebei College of Industry and Technology;College of Life Science;Hebei Normal University;

..............page:67-74