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Automatic fracture–vug identification and extraction from electric imaging logging data based on path morphology

Petroleum Science 2019年第1期16卷 58-76页

作者： Xi-Ning Li jin-song Shen Wu-Yang Yang Zhen-Ling Li State Key Laboratory of Petroleum Resources and Prospecting China University of Petroleum CNPC Key Laboratory of Geophysical Prospecting China University of Petroleum North-west Division of Exploration and Production Research Institute CNPC Huabei Division of China Petroleum Logging Corporation

We present a path morphology method to separate total rock pore space into matrix, fractures and vugs and derive their pore structure spectrum. Thus, we can achieve fine pore evaluation in fracture–vug reservoirs based on electric imaging logging data. We automatically identify and extract fracture–vug information from the electric imaging images by adopting a path morphological operator that remains flexible enough to fit rectilinear and slightly curved structures because they are independent of the structuring element shape. The Otsu method was used to extract fracture–vug information from the background noise caused by the matrix. To accommodate the differences in scale and form of the different target regions,including fracture and vug path, operators with different lengths were selected for their recognition and extraction at the corresponding scale. Polynomial and elliptic functions are used to fit the extracted fractures and vugs, respectively, and the fracture–vug parameters are deduced from the fitted edge. Finally, test examples of numerical simulation data and several measured well data have been provided for the verification of the effectiveness and adaptability of the path morphology method in the application of electric imaging logging data processing. This also provides algorithm support for the fine evaluation of fracture–vug reservoirs.

关键词： Path morphology Image automatic identification Electric imaging logging Fracture–vug reservoir

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Ethylene Signaling in Rice and Arabidopsis： Conserved and Diverged Aspects

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Molecular Plant 2015年第4期8卷 495-505页

作者： Chao Yang Xiang Lu Biao Ma Shou-Yi Chen jin-song Zhang State Key Lab of Plant Genomics Institute of Genetics and Developmental Biology Chinese Academy of Sciences Beijing 100101 China

Ethylene as a gas phytohormone plays significant roles in the whole life cycle of plants, ranging from growth and development to stress responses. A linear ethylene signaling pathway has been established in the dicotyledonous model plant Arabidopsis. However, the ethylene signaling mechanism in monocotyledonous plants such as rice is largely unclear. In this review, We compare the ethylene response phenotypes of dark-grown seedlings of Arabidopsis, rice, and other monocotyledonous plants （maize, wheat, sorghum, and Brachypodium distachyon） and pinpoint that rice has a distinct phenotype of root inhibition but coleoptile promotion in etiolated seedlings upon ethylene treatment. We further summarize the homologous genes of Arabidopsis ethylene signaling components in these monocotyledonous plants and discuss recent progress. Although conserved in most aspects, ethylene signaling in rice has evolved new features compared with that in Arabidopsis. These analyses provide novel insights into the understanding of ethylene signaling in the dicotyledonous Arabidopsis and monocotyledonous plants, particularly rice. Further characterization of rice ethylene-responsive mutants and their corresponding genes will help us better understand the whole picture of ethylene signaling mechanisms in plants.

关键词： ethylene response signaling Arabidopsis rice monocotyledonous plants crosstalk

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An experimental study on horizontal well waterflooding in the Cretaceous porous carbonate reservoir of Oman

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Energy Geoscience 2024年第3期5卷 85-92页

作者： Jie Chen Liang Cheng song jin Yongli Wang Leiting Shi Geological Exploration and Development Research Institute Chuanqing Drilling Engineering Company LimitedCNPCChengdu 610051China International Nature Gas Technology Support Center CNPCChengdu 610051China Oman Project Company CNPCBeijing 100034China State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation Southwest Petroleum UniversityChengdu 610500China

Porous carbonate reservoirs,prevalent in the Middle East,are lithologically dominated by bioclastic limestones,exhibiting high porosity,low permeability,intricate pore structure,and strong *** through horizontal wells is commonly used for exploiting these ***,challenges persist,such as significant uncertainty and complex operational procedures regarding adjustment effects during the *** USH reservoir of the Cretaceous D oilfield,Oman exemplifies typical porous carbonate *** initially underwent depletion drive using vertical wells,followed by horizontal well waterflooding in the late ***,the oilfield is confronted with substantial developmental challenges,involving the understanding of residual oil distribution,effective water cut control,and sustaining oil production since it has entered the late development *** a microscopic visualization displacement system equipped with electrodes,this study elucidated the waterflooding mechanisms and residual oil distribution in the late-stage development of the USH *** results reveal that the reservoir's vertical stacking patterns act as the main factor affecting the horizontal well waterflooding *** water flow channels emerge under varying reservoir stacking patterns,with post-waterflooding residual oil predominantly distributed at the reservoir's top and *** oil recovery can be enhanced by adjusting the waterflooding's flow line and *** findings of this study will provide theoretical insights of waterflooding mechanisms and injection-production adjustments for exploiting other porous carbonate reservoirs in the Middle East through horizontal wells.

关键词： Porous carbonate reservoir Horizontal well waterflooding Microscopic visualization Three-dimensional physical model Waterflooding characteristics

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Regulation of Eaf2 in mouse lens cells apoptosis induced by ultraviolet radiation

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International Journal of Ophthalmology(English edition) 2012年第5期5卷 570-575页

作者： Fan Xiao jin-song Zhang Jiang-Yue Zhao and Di Wu Department of Ophthalmology the Fourth Affiliated Hospital of China Medical University Shenyang 110005 Liaoning Province China

AIM: To investigate the regulation of Eaf2 protein in mouse lens cells apoptosis induced by ultraviolet (UV) radiation. METHODS: An eye of Eaf2 gene knockout mice or normal control mice was exposed to UV radiation, and the other one was non-exposed. All of lenses were analyzed by TUNEL and caspase 3 activity assays to determine the difference of the apoptosis induced by UV radiation. In addition, exposed and non-exposed lenses were analyzed by quantified p53 expression and real-time reverse transcription-polymerase chain reaction (RT-PCR) of Bax, Bid, Apaf-1, Puma and Noxa, to compare Eaf2 gene knockout mice and normal control mice. RESULTS: UV radiation caused apoptosis of lens cells in normal control mice and Eaf2 knockout mice. Activity of caspase 3 was significantly higher in normal control mice than Eaf2 knockout mice. Expression of p53 protein was significantly higher in lenses exposed to UV radiation than nonexposed lenses, but was similar between Eaf2 gene knockout mice and normal control mice in the same UV condition. After exposing to UV radiation, the analysis of real-time RT-PCR demonstrated that mRNA levels of Puma and Noxa were significantly higher in lenses of normal control mice than Eaf2 gene knockout mice, and that mRNA levels of Bax, Bid and Apaf-1 were not significantly different between gene knockout mice and normal control mice. CONCLUSION: Eaf2 increases lens cells apoptosis induced by ultraviolet radiation. And Eaf2 up-regulates expression of the Puma and the Noxa to act on lens cells apoptosis after UV radiation.

关键词： Eaf2 p53 apoptosis Noxa Puma ultraviolet rays

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Fast track clinical pathway implications in esophagogastrectomy

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World Journal of Gastroenterology 2009年第4期15卷 496-501页

作者： Ke Jiang Lin Cheng Jian-Jun Wang jin-song Li Jun Nie Department of Thoracic Surgery Union Hospital Tongji Medical CollegeHuazhong University of Science and Technology Wuhan430022 Hubei Province China Department of Anesthesiology Union HospitalTongji Medical College Huazhong University of Science and Technology Wuhan 430022 Hubei Province China

AIM： To investigate the feasibility of fast track clinica pathway for esophageal tumor resections. METHODS： One hundred and fourteen patients with esophageal carcinoma who underwent esophagogastrectomy from January 2006 to October 2007 in our department were studied. Fast track clinical pathway included analgesia control, fluid infusion volume control, early ambulation and enteral nutrition. Nasogastric tube was removed 3 d after operation and chest tube was removed 4 d after operation as a routine, and full liquid diet 5 d after operation. RESULTS： Among 114 patients （84 men and 30 women）, 26 patients underwent fast track surgery, including 17 patients over 65 years old and 9 under 65 （P = 0.014）; 18 patients who had preoperative complications could not bear fast track surgery （P 〈 0.001）. No significant differences in tolerance of fast track surgery were attributed to differences in gender, differentiated degree or stage of tumor, pathological type of tumor, or operative incision. The median length of hospital stay was 7 d （5-28 d）, 4% patients were readmitted to hospital within 30 d of discharge. Three patients died and postoperative mortality was 2.6%. All 3 patients had no determinacy to fast track surgery ***： The majority of patients with esophageal carcinoma can tolerate fast track surgery. Patients younger than 65 or who have no preoperative diseases have the best results. Median length of hospital stay has been reduced to 7 d.

关键词： Fast track surgery Esophageal carcinoma Esophagogastrectomy

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Assessing soil nitrous oxide emission as affected by phosphorus and nitrogen addition under two moisture levels

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Journal of Integrative Agriculture 2016年第12期15卷 2865-2872页

作者： Bashir Ullah Muhammad Shaaban HU Rong-gui ZHAO jin-song LIN Shan College of Resources and Environment Huazhong Agricultural University

Agricultural soils are deficient of phosphorus （P） worldwide. Phosphatic fertilizers are therefore applied to agricultural soils to improve the fertility and to increase the crop yield. However, the effect of phosphorus application on soil N2O emissions has rarety been studied. Therefore, we conducted a laboratory study to investigate the effects P addition on soil N2O emissions from P deficient alluvial soil under two levels of nitrogen （N） fertilizer and soil moisture. Treatments were arranged as follows： P （0 and 20 mg P kg-1） was applied to soil under two moisture levels of 60 and 90% water filled pore space （WFPS）. Each P and moisture treatment was further treated with two levels of N fertilizer （0 and 200 mg N kg-1 as urea）. Soil variables including mineral nitrogen （NH4＋-N and NO3--N）, available P, dissolved organic carbon （DOC）, and soil N2O emissions were measured throughout the study period of 50 days. Results showed that addition of P increased N2O emis- sions either under 60% WFPS or 90% WFPS conditions. Higher N2O emissions were observed under 90% WFPS when compared to 60% WFPS. Application of N fertilizer also enhanced N2O emissions and the highest emissions were 141 μg N2O kg-1 h-1 in P＋N treatment under 90% WFPS. The results of the present study suggest that P application markedly increases soil N2O emissions under both low and high soil moisture levels, and either with or without N fertilizer application.

关键词： phosphorus N2O emission water filled pore space nitrogen greenhouse gas

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Endoscopic titanium clip closure of gastric fistula after splenectomy: A case report

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World Journal of Clinical Cases 2018年第15期6卷 1047-1052页

作者： jing Yu Cheng-Ji Zhou Pan Wang Shou-Jiang Wei jin-song He jin Tang Department of Gastrointestinal Surgery Affiliated Hospital of North Sichuan Medical College Sichuan Key Laboratory of Medical Imaging

This report describes a 52-year-old male patient with blunt abdominal traumatic rupture of the spleen due to injuries sustained in an automobile accident. Following splenectomy, the patient developed a gastric fistula. He underwent a long period of conservative treatment, including antibiotics and total parenteral nutrition, which was ineffective. The fistula could not be closed and titanium clip closure using a gastroscopy was then performed in order to close the fistula. After endoscopic therapy and clipping surgery, the patient's general condition improved significantly, and he had no post-procedural abdominal complications. On postclipping day 6, the gastric fistula was completely closed as shown by X-ray examination of the upper digestive tract. The patient was discharged from hospital and no complications were observed during the six-month follow-up period. Our report suggests that titanium clip closure using endoscopy may be the choice of treatment in patients with a gastric fistula.

关键词： Titanium clipping Endoscopy Splenectomy Case report Gastric fistula

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Spatial channel pairing based coherent combining for relay networks

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Frontiers of Information Technology & Electronic Engineering 2016年第9期17卷 938-945页

作者： Feng SHU Xiao-hui HUANG jin-song HU Ting-ting LIU Ri-qing CHEN Xiao-hu YOU Jun LI jin WANG College of Computer and Information Sciences Fujian Agriculture and Forestry University School of Electronic and Optical Engineering Nanjing University of Science and Technology National Key Laboratory of Electromagnetic Environment China Research Institute of Radiowave Propagation National Mobile Communications Research Laboratory Southeast University

In this paper, spatial channel pairing(SCP) is introduced to coherent combining at the relay in relay networks. Closed-form solution to optimal coherent combining is derived. Given coherent combining, the approximate SCP solution is presented. Finally, an alternating iterative structure is developed. Simulation results and analysis show that, given the symbol error rate and data rate, the proposed alternating iterative structure achieves signal-to-noise ratio gains over existing schemes in maximum ratio combining(MRC) plus matched filter,MRC plus antenna selection, and distributed space-time block coding due to the use of SCP and iterative structure.

关键词： Spatial channel pairing Coherent combining Alternating iterative structure Symbol error rate Distributed space-time block coding

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Synergistic effect of oxymatrine and angiogenesis inhibitor NM-3 on modulating apoptosis in human gastric cancer cells

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World Journal of Gastroenterology 2007年第12期13卷 1788-1793页

作者： Ming-Quan song jin-Shui Zhu jin-Lian Chen Long Wang Wei Da Li Zhu Wei-Ping Zhang Department of Gastroenterology The Sixth Affiliated Hospital of Shanghai Jiaotong University Shanghai 200233 China

AIM: To investigate the synergistic effect of oxymatrine(OM) and angiogenesis inhibitor NM-3 on modulatingapoptosis in human gastric cancer cell lines SGC-7901,MKN-45, MKN-74. METHODS: Human gastric cancer lines SGC-7901,MKN-45, MKN-74 were treated with OM in the absenceand presence of NM-3. The inhibitory rates weredetected by MTT assay. Synergistic effect of OM andNM-3 on the growth of survivin, bcl-2, bax and p53 inSGC-7901 cells were examined by semiquantitative RT-PCR and Western blotting, and their growth inhibitoryeffects were also observed on SGC-7901 tumor xenograftin nude ***: OM combined with NM-3 exhibited asynergistic inhibitory effect on the growth of SGC-7901,MKN-45 and MKN-74 cells in a time-dependent ***-four hours after treatment with OM, NM-3 aloneand their combination, mRNA expression of survivin andbcl-2 in SGC-7901 cells decreased, p53 mRNA expressionincreased. OM (4 g/L) combined with NM-3 significantlyincreased the expression of p53 mRNA and decreasedthe expression of survivin and bcl-2 compared witheither agent alone (193% ± 34% vs 129% ± 12%;44% ± 18% vs 92% ± 18%; 36 ± 17% vs 93% ± 23%,P < 0.05). Western blotting showed that the synergisticeffect of OM and NM-3 on protein translation of survivin,bcl-2 and p 53 was in accordance with their ***, OM/NM-3 combination obviously exhibitedantitumor growth effect in xenografted human gastriccancer cells SGC-7901 compared with either agent ***: OM combined with NM-3 has synergisticinhibitory effects on human gastric cancer cells in vitro and can suppress the growth of xenografted human gastric cancer cells SGC-7901 in vivo.

关键词： NM-3 compound Oxymatrine Gastric cancer Apoptosis

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A STUDY ON DESERTIFICATION OF WEST JILIN PROVINCE BASED ON REMOTE SENSING AND GIS TECHNIQUES

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Chinese Geographical Science 2002年第1期12卷 73-79页

作者： ZHU jin hua, LI jin song(Changchun Institute of Geography, the Chinese Academy of Sciences, Changchun 130021, P.R. China) Changchun Institute of Geography the Chinese Academy of Sciences Changchun P. R. China

'West Jilin Province' in this paper means Zhenlai, Baicheng, Taonan, Da'an,Tongyu, Fuyu, songyuan, Qian'an, Changling, also includes Gongzhuling, Shuangliao, Lishu, Siping andNong' an which have been suffered from desertification. In west Jilin Province there are three sandzones passing through, they are Xiang (Xianghai) -Wu (Ulan Tug) sand zone, Hai-Feng sand zone, andTao'er River right bank sand zone. The desertification area of west Jilin Province is 819 100 ha,making up 12. 5% of the total land area. Among desertification types, in Jilin Province lightdesertification is the major, then is medium decertification, hevey desertification is the *** to the comparison of the interpretation results of the Landsat images of the 1980s and the1990s by remote sensing and GIS techniques, it can be seen that the desertification area in westJilin Province basically didn't change on the whole, only increased 6130 ha, making up 0. 8% of thedesertification area, change scale is less than 1%. Evidently, desertification is controlled mostly,but some areas are continuing deterioration. The desertification process of China can be dividedinto three types according to origin nature, they are sandy steppe desertification, fixed sandarea(sand land) activation and dunes transfer invasion. Reasons of desertification of West JilinProvince are analyzed, they include natural factors (such as material source factors, chimatefactors) and artificial factors (such as destroying grass to reclaim, steppe decreasing greatly,illegally feeling shelter forest stands, constructing reservoir to influence eco-environment etc. ).Some suggestions are put forward as follows: establishing the social project for ecologicalreconstruction of degenerated land; intensifying planning and management of land use, revertingfarmland into forestland or pasture in a planned way. The key desertification control is to dependmainly on policy and management, then control techniques.

关键词： remote sensing (RS) and GIS techniques desertification west jilin province

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