Journal of China Coal Society 2010 Issue 8 Time-frequency analysis based on single-stage addition of waveforms of blasting vibration signals

Time-frequency analysis based on single-stage addition of waveforms of blasting vibration signals
ZHAO Ming-sheng;ZHANG Jian-hua;YI Chang-ping

..............page:1279-1282

Study on the stability of rock slope without obvious sliding surface
YAN Zhi-xin1;2;DUAN Jian1;2;WANG Hou-yu3

..............page:1283-1286

The coupling laws between fissure field and gas flow field under an extremely thick igneous rock
WANG Liang1;2;CHENG Yuan-ping1;2;JIANG Jing-yu1;2;GUO Pin-kun1;2;WANG Li-guo1;2;YANG Yun1;2

..............page:1287-1291

Micro thermal dynamics analysis on mine supporting wood under the effect of flame wave after methane explosions
DUAN Yu-long1;ZHANG Hong-min2;ZHOU Xin-quan1;FENG Xiao-guang1;WANG Yi1;WANG Pu1;Beijing 100083;China;2.Teaching Affairs Division;Henan University of Urban Construction;Pingdingshan 467000;China)

..............page:1292-1297

Flame propagation of methane-coal dust explosion in closed vessel
BI Ming-shu;LI Jiang-bo

..............page:1298-1302

Regular analysis of the human metabolism carbon monoxide in coal mine refuge chamber
LI Jing;JIN Long-zhe;WANG Sheng;YANG Yu-feng

..............page:1303-1307

Experimental research on the relationship between nozzle spray pressure and atomization particle size
CHENG Wei-min;ZHOU Gang;ZUO Qian-ming;NIE Wen;WANG Gang

..............page:1308-1313

Filed test of comprehensive treatment method for high pressure dynamic grouting
ZHANG Xiao1;LI Shu-cai1;ZHANG Qing-song1;LI Hai-yan1;WU Wen-dong2;LIU Ren-tai1;LIN Ming-yuan2

..............page:1314-1318

Relationship of the permeability and geological strength index (GSI) of coal reservoir and its significance
GUO Hong-yu;SU Xian-bo;XIA Da-ping;NI Xiao-ming;LI Guang-sheng

..............page:1319-1322

Application of fault’s information dimensions among different coal seams in the prediction of deep coal resources exploitation
WU Yu-dong1;JU Yi-wen1;HOU Quan-lin1;PAN Jie-nan1;2;ZHANG Yang1;FAN Jun-jia1

..............page:1323-1330

A DC electrical penetration method for prospecting the coal face alone the same coal layer
LI Dan;HAN De-pin;SHI Ya-ding;SHI Xue-feng

..............page:1336-1340

Adsorption equilibrium and diffusion of CH₄,N₂ and CO₂ in coconut shell activated carbon
ZHANG Bo1;GU Min1;XIAN Xue-fu1;LIN Wen-sheng2

..............page:1341-1346

Isotopic characteristics of water within the soil-vegetation-atmosphere system in the Yushenfu mining area
WANG Li1;2;WEI San-ping1;2;3;ZHANG Qing-feng1;WANG Quan-jiu2;LI Shi-qing1;2

..............page:1347-1353

Viscosity changes of Heishan coal-oil slurry at coal direct liquefaction condition
XIAO Nai-you1;2;ZHANG Rong-zeng1;Beijing 100083;China;2.Beijing Research In-stitute of Coal Chemistry;China Coal Research Institute;Beijing 100013;China)

..............page:1354-1358

Study on dense-phase conveying experiments of pulverized coal with various external moisture contents at high pressure
XU Pan;CHEN Xiao-ping;LIANG Cai;ZHAO Chang-sui;LIU Bo;XU Gui-ling;LI Hai-xin

..............page:1359-1363

Effects of additives on Ningxia coal pyrolysis behavior
YANG Hui-min;WANG Mei-jun;ZHANG Yu-long;CHANG Li-ping

..............page:1364-1368

Numerical simulation and experiment on pressure drop of a co-current rotating packed bed
JIN Ying-gui1;LI Shuang-yue1;LI Ping2;TIAN Ping1;ZHANG Ya-nan1;LI Xiang1

..............page:1369-1373

Study on settlement characteristic of the grain in fluidized bed
GUI Xia-hui;LI Yan-feng;LIU Jiong-tian;WANG Yong-tian;CAO Yi-jun

..............page:1374-1379

Test study on failure mechanism of the surrounding rock of inclined shaft in thick gravel stratum with abundant water (Ⅱ)
YUE Zhong-wen1;2;YANG Ren-shu1;2;SUN Zhong-hui2;3;DOU Bo-yang2;YANG Li-yun2;Beijing 100083;China;3.Xinwen Mining Group Co.Ltd.;Xintai 271233;China)

..............page:1273-1278

Ignition characteristic prediction model for blending coal based on least squares support vector machine
CHANG Ai-ying1;WU Tie-jun1;BAO Xin1;JIANG Ai-peng2

..............page:1380-1383

Coupled deflection analysis of SMA fiber hybrid active thin-walled composite structures
YANG Shu-lian1;2;REN Yong-sheng3;WANG Xiao-hui3;ZHU Zhi-lin1

..............page:1384-1390

The influence of the austenite inverse phase transformation quenching temperature in zero time holding on microstructure and property of 40Cr steel
LI An-ming;HU Meng-juan

..............page:1391-1394

Numerical simulation on effect of aerodynamic performance of airfoil with slot on reverse ventilation of axial-flow fan
CHEN Geng-lin1;WANG Li-jun1;YAN Xiao-kang2;YAN Zhao-fen3

..............page:1395-1400

Position sensorless control of the switched reluctance motor using adaptive network fuzzy inference system (ANFIS)
WU Jiang-liao;YI Ling-zhi;PENG Han-mei;LIU Xiang;DENG Wen-lang

..............page:1401-1405

Computation model of visual attention for coal-mine surveillance video based on sequential scale space and multi-features
ZHOU Lei1;2;HUA Gang1;XU Zhao1;XU Dong-mei1;LI Deng-wang2;3

..............page:1406-1411

kuang chan zi yuan gao xiao an quan kai cai shan xi sheng zhong dian shi yan shi yuan wei gai xing cai kuang jiao yu bu yu shan xi sheng gong jian zhong dian shi yan shi jian jie

..............page:1412

mei tan xue bao zheng gao jian ze

..............page:1413

Optimization research of stope structural parameters in sublevel caving with non-pillar
TAO Gan-qiang1;LIU Zhen-dong1;REN Feng-yu2;REN Qing-yun1

..............page:1269-1272

Determination method of roof safety thickness in the mined-out regions under dynamic loading and its application
WANG Shu-ren;JIA Hui-hui;WU Chong-fu

..............page:1263-1268

Strength reduction method to study safety of multilayer goafs isolation roof
ZHAO Yan-lin1;2;WANG Wei-jun1;2;ZHAO Fu-jun1;2;WAN Wen1;2

..............page:1257-1262

zong he xin xi

..............page:1256,1340,1353,1373,1383

Incline masonry structure around the coal face of steeply dipping seam mining
WU Yong-ping1;2;XIE Pan-shi1;2;WANG Hong-wei1;2;REN Shi-guang1;2

..............page:1252-1256

Calculation method of probability integration method parameters based on support vector machine
LI Pei-xian1;2;TAN Zhi-xiang1;2;YAN Li-li1;2;DENG Ka-zhong1;2

..............page:1247-1251

Study on overcutting-bolting & grouting-backfilling concrete to control the floor heave of deep mine roadway
XIE Guang-xiang;CHANG Ju-cai

..............page:1242-1246

Heteromorphy of the overlying strata movement caused by mining under the unconformity strata
WANG Jin-an;JI Hong-guang;ZHANG Yan

..............page:1235-1241

Tunnel reflection wave imaging technology and its system during driving space
ZHANG Ping-song1;LIU Sheng-dong2;WU Jian-sheng3

..............page:1331-1335