illustrations of verification for seismic properties of masonry structures in primary and secondary school buildings
LI Hui;QIU Jianhui;YANG Hongwei;ZHANG Ling

..............page:159-164

a new pterosaur (pterosauria) from middle jurassic tiaojishan formation of western liaoning,china
L(U) Junchang;FUCHA Xiaohui

..............page:113-118

guide for contributors

..............page:封3

approach to quantification drawdown of groundwater wells:a case study from sana\'a city,yemen
Abdulhakim G.H.Al-KHOLID;SUN Youhong;Aref M.O.AL-JABALI;SUN Zhifeng

..............page:155-158

air flow calculation of reverse circulation drilling technique with air dth hammer
HUANG Yong;ZHU Lihong;YIN Kun;BO Kun

..............page:165-170

geochemistry of neoproterozoic mixosedimentite in northern anhui and its geological significance
SUN Linhua;GUI Herong;CHEN Song

..............page:128-134

application study of coupled model between reservoir organic pollutant bod5-do and temperature
LI Yong;LI Xin

..............page:151-154

engineering geological conditions and features of geologic hazards in wudongde reservoir of jinshajiang river valley
LIU Weijuan;FAN Jianhua;ZHANG Yange

..............page:145-150

division and correlation of yixian formation in western liaoning,china
ZHAO Liang;XING Dehe;SUN Chulin;SUN Yuewu;ZHANG Lidong;GUO Shengzhe;ZHANG Changjie;PENG Yandong;JIA Bin;CHEN Shuwang;DING Qiuhong;ZHENG Yuejuan

..............page:119-127

analysis on accuracy of engineering star rtk in cadastral survey based on south-cors
SONG Yuanming;LIU Lilong;HU Jiaxing;LIU Jingye

..............page:135-140

genetic analysis of land subsidence in anshan
LI Xiaole;YANG Zhishuang

..............page:141-144