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Journal of Environmental Sciences 2005年第3期17卷 419-424页

作者： guanbao-hong DepartmentofEnvironmentalEngineering ZhejiangUniversityHangzhou310027China

Terylene artificial silk printing and dyeing wastewater(TPD wastewater), containing averaged 710 mg/L terephthalic acid(TA) as the main carbon source and the character pollutant, was subjected to expanded granular sludge bed(EGSB) process. The stability of the EGSB process was firstly conducted by laboratory experiment. TA ionization was the predominated factor influencing the acid-base balance of the system. High concentration of TA in wastewater resulted in sufficient buffering capacity to neutralize the volatile fatty acids(VFA) generated from substrate degradation and provided strong base for anaerobic system to resist the pH decrease below 6.5. VFA and UFA caused almost no inhibition on the anaerobic process and biogas production except that pH was below 6.35 and VFA was at its maximum value. Along with the granulating of the activated sludge, the efficiency of organic removal and production rate of biogas increased gradually and became more stable. After start-up, the efficiency of COD removal increased to 57%—64%, pH stabilized in a range of 7.99—8.04, and production rate of biogas was relatively high and stable. Sludge granulating, suitable influent of pH and loading were responsible for the EGSB stability. The variation of VFA concentration only resulted in neglectable rebound of pH, and the inhibition from VFA could be ignored in EGSB. The EGSB reactor was stable for TPD wastewater treatment.

关键词： expanded granular sludge bed stability anaerobic treatment dyeing and printing wastewater

Statistical multiresolution analysis in amplitude- frequency domain

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Science in China(Series F) 2004年第4期47卷 518-526页

作者： SUNHong guanbao HenriMaitre SchoolofElectronicInformation WuhanUniversityLIESMARSWuhan430072China DepartementdeTSI EcoleNationnaleSuperieuredesTelecommunication75013ParisFranceCorrespondenceshouldbeaddressedtoSunHong

A concept of statistical multiresolution analysis in amplitude-frequency domain is proposed, which is to employ the wavelet transform on the statistical character of a signal in amplitude domain. In terms of the theorem of generalized ergodicity, an algorithm to estimate the transform coefficients based on the amplitude statistical multiresolution analysis (AMA) is presented. The principle of applying the AMA to Synthetic Aperture Radar (SAR) image processing is described, and the good experimental results imply that the AMA is an efficient tool for processing of speckled signals modeled by the multiplicative noise.

关键词： statistical signal analysis multiresolution analysis SAR image processing discrete-amplitude signal processing.

Empirical Equations of P-Wave Velocity in the Shallow and Semi-Deep Sea Sediments from the South China Sea

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Journal of Ocean University of China 2021年第3期20卷 532-538页

作者： LI guanbao HOU Zhengyu WANG Jingqiang KAN Guangming LIU Baohua Key Laboratory of Seafloor Sedimentology and Environmental Geology First Institute of OceanographyMinistry of Natural ResourcesQingdao 266061China Key Laboratory of Ocean and Marginal Sea Geology South China Sea Institute of OceanologyInnovation Academy of South China Sea Ecology and Environmental EngineeringChinese Academy of SciencesGuangzhou 510301China Key Laboratory of Science and Technology on Operational Oceanography Chinese Academy of SciencesGuangzhou 511458China State Key Laboratory of Acoustics Chinese Academy of SciencesBeijing 100190China Southern Marine Science and Engineering Guangdong Laboratory(Guangzhou) Guangzhou 511458China Laboratory for Marine Geology Qingdao National Laboratory for Marine Science and TechnologyQingdao 266237China National Deep Sea Center Ministry of Natural ResourcesQingdao 266237China

Three-hundred and thirty-one sediment cores,including six sediment types(clayey-and sandy-silt,silty-and sandy-clay,clayey-and silty-sand)were collected from the shallow and semi-deep seas of the South China Sea,and the P-wave velocities and physical properties of core sediments were measured under standard laboratory *** eliminate the influence of environ-mental factors,the empirical sound speed ratio equations were *** with several equations from literature,the po-rosity and wet bulk density empirical equations established in this paper agree well with Richardson and Briggs(2004)’s in-situ equations,which implies that our empirical equations can be used in the similar region of world’s oceans under certain conditions and will be useful in areas lacking first-hand P-wave speed ***,the mean grain size equations established in this study,similar to the previous studies,have low accuracy,which may be due to the different particle arrangements and degrees of compac-tion in *** results also show that for different sediment types,the equation based on all sediment data is in good agree-ment with the measured data in the study area,as there are both siliciclastic and carbonate sediments on the studied *** is sug-gested that appropriate empirical equations should be selected according to sediment types and sedimentary environment in future works,and the empirical equation of porosity or the two-parameter equation of porosity and grain size should be preferred.

关键词： seafloor sediment geo-acoustic property sound speed empirical equation South China Sea

Sound velocity and related properties of seafloor sediments in the Bering Sea and Chukchi Sea

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Acta Oceanologica Sinica 2015年第5期34卷 75-80页

作者： MENG Xiangmei LI guanbao HAN Guozhong KAN Guangming First Institute of Oceanography State Oceanic Administration Key Laboratory of Marine Sedimentology and Environmental Geology State Oceanic Administration

The Bering Sea shelf and Chukchi Sea shelf are believed to hold enormous oil and gas reserves which have attracted a lot of geophysical surveys. For the interpretation of acoustic geophysical survey results, sediment sound velocity is one of the main parameters. On seven sediment cores collected from the Bering Sea and Chukchi Sea during the 5th Chinese National Arctic Research Expedition, sound velocity measurements were made at 35, 50, 100, 135, 150, 174, 200, and 250 kHz using eight separate pairs of ultrasonic transducers. The measured sound velocities range from 1 425.1 m/s to 1 606.4 m/s and are dispersive with the degrees of dispersion from 2.2% to 4.0% over a frequency range of 35-250 kHz. After the sound velocity measurements, the measurements of selected geotechnical properties and the Scanning Electron Microscopic observation of microstructure were also made on the sediment cores. The results show that the seafioor sediments are composed of silty sand, sandy silt, coarse silt, clayey silt, sand-silt-clay and silty clay. Aggregate and diatom debris is found in the seafloor sediments. Through comparative analysis of microphotographs and geotechnical properties, it is assumed that the large pore spaces between aggregates and the intraparticulate porosity of diatom debris increase the porosity of the seafioor sediments, and affect other geotechnical properties. The correlation analysis of sound velocity and geotechnical properties shows that the correlation of sound velocity with porosity and wet bulk density is extreme significant, while the correlation of sound velocity with clay content, mean grain size and organic content is not significant. The regression equations between porosity, wet bulk density and sound velocity based on best-fit polynomial are given.

关键词： Bering Sea Chukchi Sea sound velocity geotechnical properties microstructure

Fluid inclusions and oil charge history in the reservoirs of the Yongjin oilfield in central Junggar Basin

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Chinese Journal Of Geochemistry 2013年第1期32卷 78-84页

作者： Xie guanbao Qin Liming Zhang Zhihuan Li Wenhao School of Geosciences China University of Petroleum Sinopec Research Institute of Petroleum Engineering State Key Laboratory for Petroleum Resources and Prospecting China University of Petroleum

In the Yongjin oilfield of southern Junggar Basin, many wells have been drilled to produce industrial oils. Based on the analysis of fluid inclusions in the reservoirs, in combination with the geological and thermal evolution, the charge history in this area has been studied. The results indicate that the Jurassic Formation and Cretaceous Formation reservoirs contain abundant oil and gas inclusions, and four types of fluid inclusions have been distinguished. According to the homogenization temperatures of the fluid inclusions, the hydrocarbons charged the Cretaceous Formation for two periods, one ranges from the Late Cretaceous period to the Eogene period, and the other ranges from the Neocene period to the present. The oil filling history is correlated with the oil source correlation analysis, which is controlled by the movement of the Che-Mo plaeo uplift. Overall, oil accumulation is characterized by the superposition of two sets of source rocks for two stages in the Shawan depression.

关键词：准噶尔盆地南缘流体包裹体历史油气充注水库油田均一温度晚白垩世

Relation of Damage Variable and Gas Permeability Coefficient of Concrete under Stress

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Journal of Wuhan University of Technology(Materials Science) 2018年第6期33卷 1481-1485页

作者： TANG guanbao YAO Yan College of Materials Science and Engineering Beijing University of Technology State Key Laboratory of Green Building Materials China Building Materials Academy

Compressive stress and tensile stress were applied to concrete specimens using test rigs designed by RILEM TC 246-TDC. Ultrasonic wave velocity and autoclam permeability system were used to characterize the damage variable and gas permeability coefficient of concrete, respectively. The experimental results show that the strain value of concrete increases with the increasing of stress level and loading time. The damage variable and gas permeability coefficient of concrete under compressive stress decrease at first and increase after a threshold value between 0 and 0.6. When the concrete is under tensile load, the damage variable and gas permeability coefficient increase with tensile stress, with a significant increase from 0.3 to 0.6 tensile stress. There is a strong linear relationship between the damage variable and the gas permeability coefficient, suggesting both as good indicators to characterize the damage of concrete under stress.

关键词： compression tension strain damage variable gas permeability coefficient

The sound velocity and bulk properties of sediments in the Bohai Sea and the Yellow Sea of China

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Acta Oceanologica Sinica 2016年第7期35卷 76-86页

作者： ZHENG Jiewen LIU Baohua KAN guangming LI guanbao PEI Yanliang LIU Xiaolei Key Laboratory of Marine Sedimentology and Environmental Geology of State Oceanic Administration State Oceanic Administration Qingdao 266061 China First Institute of Oceanography State Oceanic Administration Qingdao 266061 China Qingdao National Laboratory for Marine Science and Technology Qingdao 266237 China National Deep Sea Center State Oceanic Administration Qingdao 266237 China Shandong Provincial Key Laboratory of Marine Environment and Geological Engineering Ocean University of China Qingdao 266100 China

In order to investigate the correlation between a sound velocity and sediment bulk properties and explore the influence of frequency dependence of the sound velocity on the prediction of the sediment properties by the sound velocity, a compressional wave velocity is measured at frequencies of 25-250 kHz on marine sediment samples collected from the Bohai Sea and the Yellow Sea in laboratory, together with the geotechnical parameters of sediments. The results indicate that the sound velocity ranges from 1.232 to 1.721 km/s for the collected sediment samples with a significant dispersion within the series measuring frequency. Poorly sorted sediments are highly dispersive nearly with a positive linear relationship. The porosity shows a better negative logarithmic correlation with the sound velocity compared with other geotechnical parameters. Generally, the sound velocity increases with the increasing of the average particle size, sand content, wet and dry bulk densities, and decreasing of the clay content, and water content. An important point should be demonstrated that the higher correlation can be obtained when the measuring frequency is low within the frequency ranges from 25 to 250 kHz since the inhomogeneity of sediment properties has a more remarkably influence on the laboratory sound velocity measurement at the high frequency.

关键词： sound velocity particle composition physical properties frequency dispersion empirical equation

Self-contained in situ sediment acoustic measurement system based on hydraulic driving penetration

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High Technology Letters 2011年第3期17卷 311-316页

作者： Kan Guangming Liu Baohua Zhao Yuexia Li guanbao Pei Yanliang College of Marine Geosciences Ocean University of China Qingdao 266003 P.R. China Key Laboratory of Marine Sedimentology and Environmental Geology of State Oceanic Administration First Institute of Oceanography State Oceanic Administration Qingdao 266061 P.R. China

A novel self-contained in situ sediment acoustic measurement system based on hydraulic driving penetration is proposed to solve the problem of large disturbances to sediments of the in situ equipments already in existence. By using a hydraulic driving device, the system drives four acoustic probes into sediments at an even speed, and this decreases disturbances to sediments introduced by the penetration of acoustic probes. By means of the special design of the central control unit, the system can work full-automatically and the data are stored self-containedly, and this avoids the requirement of real-time remote controlling from the ship. Its operating water depth, measuring depth and measuring frequency is 500m, 1.0m and 30kHz respectively. A set of in situ sound speeds and attenuation coefficients of sediments are obtained at 40 stations using the system. The results confirm that the data obtained by the in situ sediment acoustic system are accurate and credible.

关键词： acoustic properties sound speed sound attenuation in situ measurement system

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干热岩电学数值模拟方法与微观特性分析

地球物理学报 2022年第11期65卷 4504-4512页

作者：谢关宝页岩油气富集机理与有效开发国家重点实验室北京102206 中石化石油工程技术研究院有限公司北京102206

干热岩(HDR)是一种重要的地热资源,研究其高温条件下岩石物理性质对有效开发热储资源具有重要指导意义,利用数字岩心技术研究干热岩电阻率微观响应特征是一个重要途径.首先,采用CT扫描、扫描电镜等实验方法,获取岩心不同分辨率图像,采... 详细信息

干热岩(HDR)是一种重要的地热资源,研究其高温条件下岩石物理性质对有效开发热储资源具有重要指导意义,利用数字岩心技术研究干热岩电阻率微观响应特征是一个重要途径.首先,采用CT扫描、扫描电镜等实验方法,获取岩心不同分辨率图像,采用多尺度、多组分、高分辨率图像构建干热岩电学模型;然后,基于热力学及电学理论,构建矿物或岩石骨架电阻率与温度的关系;最后,通过构建含裂缝干热岩数字岩心,模拟分析含裂缝数字岩心高温电阻率微观特性.不同温度下的数字岩心微观数值模拟表明,干热岩体电阻率随温度升高而降低;当温度超过300℃时,电阻率变化出现异常拐点,电阻率降低程度会变缓.分析认为,出现该现象可能是由岩心热开裂造成的.研究表明,应用数字岩心技术可以替代部分高温岩石物理实验,分析干热岩高温条件下的电学微观特性,也可为干热岩电阻率测井解释提供微观依据.

关键词：干热岩数字岩心电学性质高温热开裂

Synthesis and light-emitting properties of 2-(N-phenyl-α-naphthylamino) and 2-dimesitylboron-7-(N-phenyl-α-naphthylamino)-9,9-diethylfluorene

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Science China Chemistry 2009年第7期52卷 952-960页

作者： ZHANG WenGuan HE ZhiQun HUI guanbao MU LinPing WANG YongSheng ZHAO ShengMin JING XiPing Key Laboratory of Luminescence and Optical Information Ministry of EducationInstitute of Optoelectronic TechnologyBeijing Jiaotong UniversityBeijing 100044China Laboratory of Printing and Packaging Material and Technology and Beijing Area Major Laboratory Beijing Institute of Graphic CommunicationBeijing 102600China College of Chemistry and Molecular Engineering Peking UniversityBeijing 100871China

A fluorescent organic triarylamine with a symmetric structure, 2,7-bis(N-α-naphthyl-phenylamino)-9,9- diethylfluorene (NPAEF) was synthesized using two methods, modified Ullmann coupling and modified palladium-catalyzed amination. An activated copper and a combination of Pd(OAc)2/P(t-Bu)3 and Pd(dba)2/P(t-Bu)3 were selected as catalysts to improve yields of reactions. These synthetic procedures were also successfully applied to an asymmetric 2-dimesitylboron-7-(N-phenyl-α-naphthylamino)-9,9-diethylfluorene (BNPEF). Photoluminescent emission peaks in solid film and in diluted solution of NPAEF were both observed at 461 nm, while the main emission peaks of BNPEF appeared at 422 nm in hexane, and at 480 nm in methanol. The double emission peaks of BNPEF in hexane reflected fine structure in the vibrational state. With an increasing polarity of solvent, the main PL emission peaks were red-shifted and vibrational fine structure disappeared. Additionally, energy levels of NPAEF were investigated and an electroluminescence (EL) device of ITO/PVK:NPAEF/Al was fabricated, which showed a turn-on voltage of 9 V and peaked at 462 nm. The EL spectrum was in good agreement with PL spectrum, which indicated that they were from the same emitting center in the device.

关键词： catalysis fluorene dimesitylboron triarylamine light-emitting