检索结果-南通市图书馆

A near-shore clastic-carbonate mixing mode in a continental rift basin(early Oligocene,eastern Shijiutuo Uplift,bohai Bay Basin,China):sedimentology,reservoir characteristics and exploration practice

引用

Journal of Palaeogeography 2020年第4期9卷 438-455页

作者： xiao-Feng Du Hao Liu xiao-bo huang Zhang-Qiang Song Wei Xu Can Zhang China National offshore Oil Corporation Tianjin BranchTianjin 300459 School of Ocean Sciences China University of GeosciencesBeijing 100083

A comprehensive sedimentary and reservoir analysis was conducted based on seismic,well logging,core and relative test data,taking Members 1 and 2 of Shahejie Formation of the early Oligocene in the steep slope belt,eastern Shijiutuo Uplift(STU),bohai Bay Basin(BBB)as a *** study indicates that a near-shore mixed fan deposit formed in the study area and developed characteristics and pattern of a high-quality *** mixed clastic-carbonate rocks constitute Members 1 and 2 of Shahejie Formation which developed along the steep slope belt and is named as a near-shore mixed *** mixed fan of the study area is mainly composed of microfacies of proximal channel,mixed deposited channel,mixed clastic beach,mixed bioclastic(grain)beach,with vertical multi-stage superimposition feature,and basically a similar shape as modern near-shore *** constitutes a new depositional type developing in the steep slope belt of a characteristic and complex lacustrine rift basin in the study *** mixed fan in the steep slope of eastern STU is controlled by comprehensive factors including tectonics,clastic material supply,climate,palaeogeomorphology and hydrodynamic *** reservoir quality of Members 1 and 2 of Shahejie Formation of eastern STU is,however,actually controlled by the sedimentary environment and diagenesis ***-grained mixed rocks of near-shore fans,rich in bioclastics,can form excellent reservoirs,characterized by resistance to compaction,easy to dissolution,little influenced by burial depth and high production of oil and gas,which enable them become key exploration targets of medium-deep strata of *** of high-quality reservoir,its controlling factors and the oil and gas exploration implications of the near-shore mixed fan developing in the study area give a deeper insight into discussions of the same type of mixed rocks of other lacustrine rift basins worldwide.

关键词： early Oligocene eastern Shijiutuo Uplift bohai Bay Basin continental rift basin mixed carbonate-siliciclastic fan high-quality reservoirs

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Early and delayed castrations confer a similar survival advantage in TRAMP mice

引用

Asian Journal of Andrology 2009年第3期11卷 291-297页

作者： Zai-Xian Zhang Qing-Quan Xu xiao-bo huang Ji-Chuan Zhu xiao-Feng Wang Department of Urology Peking University People＇s Hospital Beijing 100044 China

The most appropriate time to introduce androgen deprivation therapy for prostate cancer remains controversial. Our aim was to evaluate the effects of early versus delayed surgical castration on prostate cancer progression and survival in the transgenic adenocarcinoma of the mouse prostate （TRAMP） model. TRAMP mice were randomly divided into three groups： the early castration group （on which castration was performed at the age of 4 weeks）, the delayed castration group （on which castration was performed when abdominal tumours could be palpated）, and the sham-castrated group. Mice were monitored daily throughout their lives until cancer-related death or the develop- ment of an obviously moribund appearance, at which time the individual mouse was killed. Androgen receptor expression in prostate tumours was also evaluated. The results shows that the average lifespan in early castration, delayed castration and sham-castrated groups were 54.1 weeks, 59.9 weeks and 39.1 weeks, respectively. both early castration and delayed castration conferred a statistically significant survival advantage when compared with the sham-castrated group （P 〈 0.001）. However, the difference in lifespan between the early castration group and the delayed castration group was not statistically significant （P = 0.85）. The increase in lifespan in the TRAMP mice that received either early or delayed castration correlated with lower G/B value （genitourinary tract weight/body weight） at death than the sham-castrated mice. In conclusion, early and delayed castrations in TRAMP mice pro- longed survival to a similar extent. This finding may provide a guide for clinical practice in prostate cancer therapy.

关键词： castration prostate cancer survival TRAMP

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Comparison of efficacy of conbercept,aflibercept,and ranibizumab ophthalmic injection in the treatment of macular edema caused by retinal vein occlusion:a Meta-analysis

引用

International Journal of Ophthalmology(English edition) 2023年第7期16卷 1145-1154页

作者： Qiu Xing Ya-Nan Dai xiao-bo huang Li Peng Department of Ophthalmology Central South University Xiangya School of Medicine Affiliated Haikou HospitalHaikou 570000Hainan ProvinceChina Department of Ophthalmology the Second Xiangya Hospital of Central South UniversityChangsha 410000Hunan ProvinceChina Department of Ophthalmology the Changsha Central Affiliated HospitalHengyang Medical SchoolUniversity of South ChinaChangsha 410004Hunan ProvinceChina

AIM:To evaluate and compare the anatomical and functional outcomes and negative effects of the three anti-vascular endothelial growth factor(VEGF)drugs in the treatment of macular edema(ME)due to retinal vein occlusion(RVO)based on the evidence pooled from current clinical trials and observational ***:A systematic literature search was conducted on nine online databases from inception until April 30,*** main endpoints were best corrected visual acuity(BCVA),central macular thickness(CMT),and adverse events(AEs).Cumulative Meta-analysis was conducted to synthesize the outcomes of the *** retrieved data were analyzed using Stata software(version 12.0).RESULTS:A total of 20 studies comprising 1674 eyes met the inclusion criteria to the *** was observed that conbercept and aflibercept had better visual acuity effects compared with ranibizumab at 1mo[weight mean difference(WMD)=-0.03,P=0.001;WMD=-0.05,P=0.019],but the effects were not different from that of ranibizumab at ***,there was not statistically significant dif ference in the propor tion of patients gaining≥15 letters at 12-24mo between aflibercept and ranibizumab[odds ratio(OR)=1.16,P=0.427].Conbercept had higher mean CMT change effects at 1mo(WMD=-14.43,P=0.014)and 6mo(WMD=-35.63,P≤0.001)compared with ***,the mean CMT change effects at 1mo(WMD=-10.14,P=0.170),6mo(WMD=-26.98,P=0.140)and 12-24mo(WMD=-12.34,P=0.071)were comparable among the ***,AEs were not significantly different among the treatments(OR=0.75,P=0.305;OR=1.04,P=0.89).The stability of effect size of mean BCVA and CMT improved with the increase in sample *** and conbercept required fewer injections compared with ***:This is the first study to evaluate the efficacy and AEs of intravitreal administration of conbercept,ranibizumab,and aflibercept in the treatment of *** aflibercept or conbercept results in better mean change in visi

关键词： anti-vascular endothelial growth factor conbercept aflibercept ranibizumab macular edema retinal vein occlusion

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Three-dimensional structure and micro-mechanical properties of iron ore sinter

引用

Journal of Iron and Steel Research International 2017年第10期24卷 998-1006页

作者： Wei Wang Ming Deng Run-sheng Xu Wei-bo Xu Ze-lin Ouyang xiao-bo huang Zheng-liang Xue State Key Laboratory of Refractories and Metallurgy Wuhan University of Science and TechnologyWuhan 430081HubeiChina Key Laboratory for Ferrous Metallurgy and Resources Utilization of Ministry of Education Wuhan University of Science and TechnologyWuhan 430081HubeiChina

A new analysis method based on serial sectioning and three-dimensional（3 D）reconstruction was developed to characterize the mineral microstructure of iron ore *** the 3 Dreconstruction of two types of iron ore sinters,the morphology and distribution of minerals in three-dimensional space were analyzed,and the volume fraction of minerals in a 3 Dimage was calculated based on their pixel *** addition,the microhardness of minerals was measured with a Vickers hardness ***,different mineral compositions and distributions are obtained in these two *** calcium ferrite in Sinter 1 is dendritic with many interconnected pores,and these grains are crisscrossed and interwoven;the calcium ferrite in Sinter 2 is strip shaped and interweaves with magnetite,silicate and columnar *** calculated mineral contents based on a two-dimensional region are clearly different among various *** analysis shows that Sinter 1 contains a greater amount of calcium ferrite and hematite,whereas Sinter 2 contains more magnetite and *** microhardness of minerals from highest to lowest is hematite,calcium ferrite,magnetite and ***,Sinter 1 has a greater tumbler strength than Sinter 2.

关键词： Iron ore sinter Mineral Microstrueture Three-dimensionalstructure Tumbler strength

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

In vitro biodegradability of Mg-2Gd-xZn alloys with different Zn contents and solution treatments

引用

Rare Metals 2019年第7期38卷 620-628页

作者： Meng Zhang Wei-Lin Deng xiao-Ning Yang Yong-Kang Wang Xiang-Yu Zhang Rui-Qiang Hang Kun-Kun Deng xiao-bo huang College of Materials Science and Engineering Taiyuan University of Technology Taiyuan 030024 China Shanxi Key Laboratory of Advanced Magnesium-Based Materials Taiyuan University of Technology Taiyuan 030024 China

This study aims to investigate the addition of Zn on the corrosion property and cytocompatibility of Mg- 2Gd-xZn (x = 0, 3, 4 and 5;wt%) alloys, which were prepared by gravity permanent mold casting and solution treatment, respectively. The results show that the intermetallic phases of these ternary alloys are mainly composed of Mg12GdZn and Mg3GdZn3. The content of secondary phases as well as the grain size is greatly dependent on the Zn addition. Compared to the binary Mg- 2Gd alloy, the corrosion resistance of the most ternary alloys is significantly improved. Furthermore, the in vitro cell culture study demonstrates the potential cytocompatibility of the developed ternary alloys. It indicates that a series of Mg-2Gd-xZn (x = 0, 3, 4 and 5;wt%) with medically acceptable corrosion rate are developed and show great potential use as a new type of biodegradable implants.

关键词： Mg-2Gd-xZn Corrosion resistance Biodegradability Cytocompatibility

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Prevalence and risk factors of diabetic retinopathy in patients with type 2 diabetes in Shanghai

引用

International Journal of Ophthalmology(English edition) 2021年第7期14卷 1066-1072页

作者： Pei Zhang Wen-Wen Xue xiao-bo huang Yi Xu Li-Na Lu Kai-Rong Zheng Hai-Dong Zou Department of Ophthalmology Shanghai Gonghui HospitalShanghai 200041China Department of Ophthalmology Shanghai Eye Disease Prevention and Treatment CenterShanghai 200040China Department of Ophthalmology the Second Affiliated Hospital of Nantong UniversityNantong 226000Jiangsu ProvinceChina Department of Ophthalmology Shanghai General HospitalShanghai Jiao Tong University School of MedicineShanghai 200080China

AIM:To investigate the prevalence of diabetic retinopathy(DR)in residents of Shanghai and analyze the risk factors of ***:This study involved 7233 patients with diabetes in *** demographic data of the participants were collected using a questionnaire *** examination,laboratory tests,and ophthalmological examinations were *** professional ophthalmologists diagnosed and graded DR by fundus examination and then combined the results with fundus *** unconditional multivariate Logistic regression analysis was used to determine the risk ***:In total,6978 patients with type 2 diabetes in Shanghai with a mean age of 68.33±8.40 y were recruited,including 2975 males(42.6%)and 4003 females(57.4%).Overall,1184 patients were diagnosed with DR,with a prevalence rate of 16.97%.Regression analysis showed that duration of diabetes(OR 1.061,95%CI 1.049-1.073),high systolic blood pressure(SBP;OR 1.071,95%CI 1.037-1.106),increased glycosylated hemoglobin level(OR 1.234,95%CI 1.162-1.311),high blood glucose level(OR 1.061,95%CI 1.023-1.099),increased neutrophil-to-lymphocyte ratio(NLR;OR 1.132,95%CI 1.053-1.217)and mean platelet volume(MPV;OR 1.077,95%CI 1.016-1.142)were risk factors of ***,hematocrit(HCT;OR 0.971,95%CI 0.954-0.988)and mean corpuscular volume(MCV;OR 0.980,95%CI 0.965-0.994)were protective ***:The prevalence rate of DR in Shanghai is 16.97%.The duration of diabetes,high SBP,increased glycosylated hemoglobin,NLR,and MPV were determined as risk factors of DR.

关键词： type 2 diabetes diabetic retinopathy prevalence neutrophil-to-lymphocyte ratio

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Extranodal natural killer/T-cell lymphoma(nasal type) presenting as a perianal abscess: A case report

引用

World Journal of Clinical Cases 2019年第8期7卷 992-1000页

作者： Yan-Ni Liu Yong Zhu Jia-Jun Tan Guang-Shu Shen Shu-Liang huang Chun-Gen Zhou Shao-Hua huangfu Rui Zhang xiao-bo huang Ling Wang Qi Zhang Bin Jiang Nanjing University of Chinese Medicine Department of Colorectal Surgery The Nanjing Hospital of Chinese Medicine Affiliated to Nanjing University of Chinese Medicine Department of Pathology The Nanjing Hospital of Chinese Medicine Affiliated to Nanjing University of Chinese Medicine Department of Medical Imaging The Nanjing Hospital of Chinese Medicine Affiliated to Nanjing University of Chinese Medicine

BACKGROUND Extranodal natural killer(NK) T-cell lymphoma(ENKTL), nasal type is a rare subtype of extranodal non-Hodgkin lymphoma characterized by vascular damage and necrosis. The lesions usually present in the nasal cavity and adjacent tissues, however, the disease originates from the gastrointestinal or genitourinary tract in 25% of cases. Since rectal involvement in ENKTL is rare, rectal symptoms in the course of ENKTL are often misdiagnosed and considered to be related to benign diseases such as rectal fistula or perianal *** SUMMARY We report the case of a 24-year-old Han Chinese female who initially presented with a perianal abscess that was subsequently diagnosed as nasal type *** to typical perianal pain, perianal abscess was diagnosed and surgical incision and drainage were performed. After recurrent, severe anal hemorrhages leading to hypovolemic shock and multiple surgeries, a diagnosis of ENKTL was made. The patient's condition gradually deteriorated, and she died shortly after initiation of *** Systemic and neoplastic diseases should be included in the differential diagnosis of any potentially benign perianal abscess complicated with recurrent hemorrhages.

关键词： Extranodal natural killer T-cell lymphoma Perianal abscess Lymphoma Rectal involvement Case report

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Primary neuroendocrine tumor in the presacral region: A case report

引用

World Journal of Clinical Cases 2019年第14期7卷 1884-1891页

作者： Rui Zhang Yong Zhu xiao-bo huang Chris Deng Min Li Guang-Shu Shen Shu-Liang huang Shao-Hua huangfu Yan-Ni Liu Chun-Gen Zhou Ling Wang Qi Zhang Youping Deng Bin Jiang Department of Integrated Traditional Chinese and Western Medicine Nanjing University of Chinese MedicineNanjing 210023Jiangsu ProvinceChina Department of Colorectal Surgery the Nanjing Hospital of Chinese Medicine Affiliated to Nanjing University of Chinese MedicineNanjing 2100022Jiangsu ProvinceChina Bioinformatics Core Department of Complementary and Integrative MedicineUniversity of Hawaii John A. Burns School of MedicineHonoluluHI 96813United States Department of Medical Oncology the Nanjing Hospital of Chinese Medicine Affiliated to Nanjing University of Chinese MedicineNanjing 2100022Jiangsu ProvinceChina Department of Medical Imaging the Nanjing Hospital of Chinese Medicine Affiliated to Nanjing University of Chinese MedicineNanjing 2100022Jiangsu ProvinceChina Department of Pathology the Nanjing Hospital of Chinese Medicine Affiliated to Nanjing University of Chinese MedicineNanjing 2100022Jiangsu ProvinceChina

BACKGROUND Primary neuroendocrine tumors (NETs) in the presacral region are extremely rare, some of which are caused by other primary tumors or metastatic rectal carcinoids. Nevertheless, cases of NETs have been increasing in recent years. This report describes the first primary neuroendocrine tumor in the presacral region that was found at our hospital within the last five years. CASE SUMMARY The patient was identified as a 36-year-old woman with a presacral mass and pelvic floor pain. A digital rectal examination revealed a presacral mass with unclear margins and obvious tenderness. Magnetic resonance imaging (MRI) demonstrated a 57 mm × 29 mm presacral lump. An ultrasound-guided needle biopsy confirmed a well-differentiated neuroendocrine tumor. No other primary or metastatic tumors were found. CONCLUSION Comprehensive consideration of our case report and literature reported by others suggests that a conclusive diagnosis of NETs should be based on computed tomography/MRI and pathological examinations. The treatment of primary NETs in the presacral region mainly relies on surgical procedures with follow-up.

关键词： Neuroendocrine tumor Presacral Biopsy Case report

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

The Hilbert expansion of the boltzmann equation in the incompressible Euler level in a channel

引用

Science China Mathematics 2025年第1期68卷 39-88页

作者： Feimin huang Weiqiang Wang Yong Wang Feng xiao Academy of Mathematics and Systems Science Chinese Academy of Sciences School of Mathematical Sciences University of Chinese Academy of Sciences Key Laboratory of Computing and Stochastic Mathematics (Ministry of Education) School of Mathematics and StatisticsHunan Normal University

The study of the hydrodynamic limit of the boltzmann equation with physical boundary is a challenging problem due to the appearance of the viscous and Knudsen boundary *** this paper,the hydrodynamic limit from the boltzmann equation with the specular reflection boundary condition to the incompressible Euler equations in a channel is *** on the multi-scaled Hilbert expansion,the equations with boundary conditions and compatibility conditions for interior solutions,and viscous and Knudsen boundary layers are derived under different scaling,***,some uniform estimates for the interior solutions,and viscous and Knudsen boundary layers are *** the help of the L2-L∞framework and the uniform estimates obtained above,the solutions to the boltzmann equation are constructed by the truncated Hilbert expansion with multiscales,and hence the hydrodynamic limit in the incompressible Euler level is justified.

关键词： boltzmann equation incompressible Euler equations hydrodynamic limit Hilbert expansion specular reflection boundary condition viscous boundary layer Knudsen boundary layer

来源：

同方期刊数据库评论

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

Nomograms for pre-and postoperative prediction of long-term survival among proximal gastric cancer patients: A large-scale,single-center retrospective study

引用

World Journal of Clinical Cases 2019年第21期7卷 3419-3435页

作者： Qi-Yue Chen Zhi-Liang Hong Qing Zhong Zhi-Yu Liu xiao-bo huang Si-Jin Que Ping Li Jian-Wei Xie Jia-Bin Wang Jian-Xian Lin Jun Lu Long-Long Cao Mi Lin Ru-Hong Tu Chao-Hui Zheng Chang-Ming huang Department of Gastric Surgery Fujian Medical University Union HospitalFuzhou 350001Fujian ProvinceChina Department of General Surgery Fujian Medical University Union HospitalFuzhou 350001Fujian ProvinceChina Key Laboratory of the Ministry of Education of Gastrointestinal Cancer Fujian Medical UniversityFuzhou 350001Fujian ProvinceChina Fujian Key Laboratory of Tumor Microbiology Fujian Medical UniversityFuzhou 350001Fujian ProvinceChina

BACKGROUND The incidence of proximal gastric cancer(GC)is increasing,and methods for the prediction of the long-term survival of proximal GC patients have not been well *** To develop nomograms for the prediction of long-term survival among proximal GC *** Between January 2007 and June 2013,we prospectively collected and retrospectively analyzed the medical records of 746 patients with proximal GC,who were divided into a training set(n=560,75%)and a validation set(n=186,25%).A Cox regression analysis was used to identify the preoperative and postoperative risk factors for overall survival(OS).RESULTS Among the 746 patients examined,the 3-and 5-year OS rates were 66.1%and 58.4%,*** the training set,preoperative T stage(cT),N stage(cN),CA19-9,tumor size,ASA core,and 3-to 6-mo weight loss were incorporated into the preoperative nomogram to predict the *** addition to these variables,lymphatic vascular infiltration(LVI),postoperative tumor size,T stage,N stage,blood transfusions,and complications were incorporated into the postoperative *** calibration curves used to determine the OS probability fit *** the training set,the preoperative nomogram achieved a C-index of 0.751[95%confidence interval(CI):0.732-0.770]in predicting OS and accurately stratified the patients into four prognostic subgroups(5-year OS rates:86.8%,73.0%,43.72%,and 20.9%,P<0.001).The postoperative nomogram had a C-index of 0.758 in predicting OS and accurately stratified the patients into four prognostic subgroups(5-year OS rates:82.6%,74.3%,45.9%,and 18.9%,P<0.001).CONCLUSION The nomograms accurately predicted the pre-and postoperative long-term survival of proximal GC patients.

关键词： Proximal gastric cancer Preoperative Nomogram Prediction Prognosis

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：