检索结果-南通市图书馆

Working condition recognition of sucker rod pumping system based on 4-segment time-frequency signature matrix and deep learning

引用

Petroleum Science 2024年第1期21卷 641-653页

作者： yun-Peng he Hai-Bo Cheng Peng Zeng Chuan-Zhi Zang Qing-Wei Dong Guang-Xi Wan Xiao-Ting Dong State Key Laboratory of Robotics Shenyang Institute of AutomationChinese Academy of SciencesShenyang 110016LiaoningChina Key Laboratory of Networked Control Systems Chinese Academy of SciencesShenyang 110016LiaoningChina Institutes for Robotics and Intelligent Manufacturing Chinese Academy of SciencesShenyang 110169LiaoningChina University of Chinese Academy of Sciences Beijing100049China School of Artifcial Intelligence Shenyang University of TechnologyShenyang 110870LiaoningChina

High-precision and real-time diagnosis of sucker rod pumping system(SRPS)is important for quickly mastering oil well *** learning-based method for classifying the dynamometer card(DC)of oil wells is an efficient diagnosis ***,the input of the DC as a two-dimensional image into the deep learning framework suffers from low feature utilization and high computational ***,different SRPSs in an oil field have various system parameters,and the same SRPS generates different DCs at different ***,there is heterogeneity in field data,which can dramatically impair the diagnostic *** solve the above problems,a working condition recognition method based on 4-segment time-frequency signature matrix(4S-TFSM)and deep learning is presented in this ***,the 4-segment time-frequency signature(4S-TFS)method that can reduce the computing power requirements is proposed for feature extraction of DC ***,the 4S-TFSM is constructed by relative normalization and matrix calculation to synthesize the features of multiple data and solve the problem of data ***,a convolutional neural network(CNN),one of the deep learning frameworks,is used to determine the functioning conditions based on the *** on field data verify that the proposed diagnostic method based on 4S-TFSM and CNN(4S-TFSM-CNN)can significantly improve the accuracy of working condition recognition with lower computational *** the best of our knowledge,this is the first work to discuss the effect of data heterogeneity on the working condition recognition performance of SRPS.

关键词： Sucker-rod pumping system Dynamometer card Working condition recognition Deep learning Time-frequency signature Time-frequency signature matrix

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

Several Controversial Issues on Judicial Review of Foreign-Related Arbitration in China: From the Perspective of the Amendment to the Arbitration Law

引用

Frontiers of Law in China-Selected Publications from Chinese Universities 2024年第1期19卷 59-78页

作者： he yun Minhang District People's Court of Shanghai Shanghai 201199China

With the continuous development of China's market economic system,the arbitration judicial review system based on the Arbitration Law promulgated in 1994,including the dual-track review of foreign-related and domestic cases,and the dual-supervision on procedural and substantive matters,has shown some issues that need to be studied and solved in *** July 30,2021,the Ministry of Justice officially announced the Arbitration Law of the People's Republic of China(Amendment)(Draft for Comment),which unified the provisions on setting aside domestic and foreign-related arbitrament,and partially revised the scope of judicial ***,heated debate arose and many problems remained unsolved such as the setting of the scope of supervision on foreign-related arbitration cases,how to grasp the principles of procedural review,and how to place the substantive supervision after the dual-track systems were changed into unified *** on the Draft for Comments,this paper analyzes several prominent issues at present,and puts forward suggestions such as expanding the criteria for identifying foreign-related factors,converging to the original supervision scope of foreign-related arbitration,adhering to the principle of procedural review,and permitting the parties concerned to agree on the scope of supervision to maximize respect for the autonomy of the will of parties,so as to build a judicial supervision mechanism for commercial arbitration betterfitting into the era.

关键词： foreign-related arbitration judicial review/supervision procedural review Arbitration Law amendment

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

Ethanol extract of Abelmoschus manihot suppresses endoplasmic reticulum stress in contrast-induced nephropathy

引用

Asian Pacific Journal of Tropical Biomedicine 2024年第1期14卷 17-27,I0002,I0003页

作者： Xin Lin Xin Lu yun-he Zhao Yi-Bei Wang Ru-Ge Niu Xiao-Hu Chen Department of Cardiology Affiliated Hospital of Nanjing University of Chinese MedicineJiangsu Province Hospital of Chinese MedicineNanjingJiangsu 210004China

Objective:To explore the efficacy and potential mechanisms of the ethanol extract of Abelmoschus manihot(L.)Medic in contrast-induced nephropathy(CIN).Methods:CIN rat models and human renal proximal tubular cells(HK-2)with iopromide-induced injury were employed to mimic CIN *** effect of Abelmoschus manihot extract on the rat models and HK-2 cells was *** rat models,kidney function,histology,oxidative stress and apoptosis were *** HK-2 cells,cell viability,apoptosis,mitochondrial membrane potential,and endoplasmic reticulum stress were ***:Abelmoschus manihot extract significantly improved structural and functional impairments in the kidneys of CIN ***,the extract effectively mitigated the decline in cellular viability and reduced iopromide-induced oxidative stress and lipid *** investigations revealed that Abelmoschus manihot extract prominently attenuated acute endoplasmic reticulum stress-mediated apoptosis by downregulating GRP78 and CHOP protein ***:Abelmoschus manihot extract can be used as a promising therapeutic and preventive agent in the treatment of CIN.

关键词： Contrast-induced nephropathy Abelmoschus manihot extract ER stress Apoptosis GRP78 CHOP

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

yunhe Terraces:Celebrating Tradition Amidst Scenic Splendors

引用

China News Release 2024年第8期 74-76页

作者： yun he 不详

Beneath the clouds and mist,the terraces follow the terrain,stretching from mountain bases to *** the changing seasons,they transform,embellishing the majestic mountains with their layered *** yunhe Terraces Scenic Area,located in Chongtou Township,yunhe County,Zhejiang Province,is 10 kilometers from the county *** terraces have a history of over 1,000 years,dating back to the early Tang Dynasty(618-907)and thriving since the Yuan(1206-1368)and Ming(1368-1644)Dynasties.

关键词： bases mountains stretching

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

Enrichment of Chemical Element ^(7)Li in the Rotating Red Clump Star

引用

Chinese Physics Letters 2024年第8期41卷 121-125页

作者： Fang-Wen Wu Han-Feng Song Qing-Li Li yun he Xin-Yue Qu Zhuo Han College of Physics Guizhou UniversityGuiyang 550025China Geneva Observatory University of GenevaCH-1290 SauvernySwitzerland

About 2 percent of red clump stars are found to be the lithium-rich and thus the surface lithium increases obviously in some red clump *** physical mechanism of the lithium enrichment in these stars has not yet been explained satisfactorily by the evolutionary models of single *** flash induced internal gravity wave mixing(i.e.,IGW)could play a primary role in explaining the red clump star with lithium enrichment and it has a very significant impact on the internal structure and surface compositions of a *** can significantly increase the mixing efficiency of the internal gravity wave because the timescale for the enrichment event has been *** mixing can explain the observed behavior of lithium on red giant stars that are more luminosity than the RGB ***,it has a very small effect on the diffusion of elements because its diffusion coefficient is much smaller than the one of IGW induced mixing after the core helium flash.

关键词： flash stars lithium

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

La sabiduría detrás del Gran Canal

引用

今日中国（西文版） 2024年第3期 29-31页

作者： he yun'AO 不详

来源：

维普期刊数据库博看期刊评论

在线全文

学校读者我要写书评

暂无评论

Cost analysis of radical resection of malignant breast tumors under the China healthcare Security Diagnosis Related Groups payment system

引用

World Journal of Clinical Cases 2024年第20期12卷 4174-4179页

作者： yun-he Hu Ai-Dong Li National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital Chinese Academy of Medical Sciences and Peking Union Medical CollegeBeijing 100021China

BACKGROUND Breast cancer is one of the most common malignant tumors in women worldwide and poses a severe threat to their ***,this study examined patients who underwent breast cancer surgery,analyzed hospitalization costs and structure,and explored the impact of China healthcare Security Diagnosis Related Groups(CHS-DRG)management on patient *** aimed to provide medical institutions with ways to reduce costs,optimize cost structures,reduce patient burden,and improve service *** To study the CHS-DRG payment system’s impact on breast cancer surgery *** Using the CHS-DRG(version 1.1)grouping criteria,4073 patients,who underwent the radical resection of breast malignant tumors from January to December 2023,were included in the JA29 group;1028 patients were part of the CHS-DRG payment system,unlike the *** an independent sample t-test,the length of hospital stay as well as total hospitalization,medicine and consumables,medical,nursing,medical technology,and management expenses were ***’s correlation coefficient was used to test the cost *** In terms of hospitalization expenses,patients in the CHS-DRG payment group had lower medical,nursing,and management expenses than those in the diagnosis-related group(DRG)non-payment *** patients in the DRG payment group,the factors affecting the total hospitalization cost,in descending order of relevance,were medicine and consumable costs,consumable costs,medicine costs,medical costs,medical technology costs,management costs,nursing costs,and length of hospital *** patients in the DRG nonpayment group,the factors affecting the total hospitalization expenses in descending order of relevance were medicines and consumable expenses,consumable expenses,medical technology expenses,the cost of medicines,medical expenses,nursing expenses,length of hospital stay,and management *** The CHS-DRG system can help control and reduce unnecessary m

关键词： China healthcare Security Diagnosis Related Groups Real-world study Radical resection of malignant breast tumors Hospitalization costs Cost structure Average length of stay

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

A Post-Quantum Cross-Domain Authentication Scheme Based on Multi-Chain Architecture

引用

Computers, Materials & Continua 2024年第2期78卷 2813-2827页

作者： Yi-Bo Cao Xiu-Bo Chen yun-Feng he Lu-Xi Liu Yin-Mei Che Xiao Wang Ke Xiao Gang Xu Si-Yi Chen Information Security Center State Key Laboratory ofNetworking and Switching TechnologyBeijing University of Posts and TelecommunicationsBeijing100876China Information Center of China North Industries Group Corporation Beijing100089China School of Information Science and Technology North China University of TechnologyBeijing100144China

Due to the rapid advancements in network technology,blockchain is being employed for distributed data *** the Internet of Things(IoT)scenario,different participants manage multiple blockchains located in different trust domains,which has resulted in the extensive development of cross-domain authentication ***,the emergence of many attackers equipped with quantum computers has the potential to launch quantum computing attacks against cross-domain authentication schemes based on traditional cryptography,posing a significant security *** response to the aforementioned challenges,our paper demonstrates a post-quantum cross-domain identity authentication scheme to negotiate the session key used in the cross-chain asset exchange ***,our paper designs the hiding and recovery process of user identity index based on lattice cryptography and introduces the identity-based signature from lattice to construct a post-quantum cross-domain authentication ***,our paper utilizes the hashed time-locked contract to achieves the cross-chain asset exchange of blockchain nodes in different trust ***,the security analysis reduces the security of the identity index and signature to Learning With Errors(LWE)and Short Integer Solution(SIS)assumption,respectively,indicating that our scheme has post-quantum *** but not least,through comparison analysis,we display that our scheme is efficient compared with the cross-domain authentication scheme based on traditional cryptography.

关键词： Cross-domain identity authentication lattice-based cryptography blockchain hashed time-locked contract

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

Curcumin inhibits the growth and invasion of gastric cancer by regulating long noncoding RNA AC022424.2

引用

World Journal of Gastrointestinal Oncology 2024年第4期16卷 1437-1452页

作者： Bin-Sheng Wang Chen-Li Zhang Xiang Cui Qiang Li Lei Yang Zhi-yun he Ze Yang Miao-Miao Zeng Nong Cao Department of General Surgery First Hospital of Lanzhou UniversityLanzhou 730000Gansu ProvinceChina School of Basic Medical Sciences Lanzhou UniversityLanzhou 730000Gansu ProvinceChina Third Department of General Surgery First Hospital of Lanzhou UniversityLanzhou 730000Gansu ProvinceChina

BACKGROUND Gastric cancer,characterized by a multifactorial etiology and high heterogeneity,continues to confound researchers in terms of its ***,a natural anticancer agent,exhibits therapeutic promise in gastric *** effects include promoting cell apoptosis,curtailing tumor angiogenesis,and enhancing sensitivity to radiation and *** noncoding RNAs(lncRNAs)have garnered significant attention as biomarkers for early screening,diagnosis,treatment,and drug response because of their remarkable specificity and *** investigations have revealed an association between aberrant lncRNA expression and early diagnosis,clinical staging,metastasis,drug sensitivity,and prognosis in gastric cancer.A profound understanding of the intricate mechanisms through which lncRNAs influence gastric cancer develop-ment can provide novel insights for precision treatment and tailored management of patients with gastric *** study aimed to unravel the potential of curcumin in suppressing the malignant behavior of gastric cancer cells by upregu-lating specific lncRNAs and modulating gastric cancer onset and *** To identify lncRNAs associated with curcumin treatment and investigate the role of lncRNA AC022424.2 in the effects of curcumin on gastric cancer cell apoptosis,proliferation,and ***,these findings were validated in clinical *** The study employed CCK-8 assays to assess the impact of curcumin on gastric cancer cell proliferation,flow cytometry to investigate its effects on apoptosis,and scratch and Transwell assays to evaluate its influence on the migration and invasion of BGC-823 and MGC-803 *** blotting was used to gauge changes in the protein expression levels of CDK6,CDK4,Bax,Bcl-2,caspase-3,P65,and the PI3K/Akt/mTOR pathway in gastric cancer cell lines after curcumin *** expression of lncRNAs before and after curcumin treatment was assessed using lncRNA seq

关键词： Gastric cancer Curcumin Long noncoding RNA AC022424.2 Apoptosis Akt/PI3K pathway Lymph metastasis

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

Gastric metastasis of small cell lung carcinoma:Three case reports and review of literature

引用

World Journal of Gastroenterology 2024年第31期30卷 3717-3725页

作者： Shan Yang Qing-yun he Qing-Jing Zhao Han-Tao Yang Zheng-Yi Yang Wen-Yi Che Hua-Mei Li Hui-Chao Wu Department of Gastroenterology The Affiliated Hospital of Zunyi Medical UniversityZunyi 563000Guizhou ProvinceChina Department of Gastroenterology Guizhou Hospital of The First Affiliated HospitalSun Yat-sen UniversityGuiyang 550000Guizhou ProvinceChina Department of Gastroenterology Zhejiang Provincial People's Hospital Bijie HospitalBijie 551700Guizhou ProvinceChina Department of Gastroenterology Zunyi Medical UniversityZunyi 563000Guizhou ProvinceChina

BACKGROUND Small cell lung carcinoma(SCLC)is highly susceptible to metastasis in the early stages of the ***,the stomach is an uncommon site of metastasis in SCLC,and only a few cases of this type of metastasis have been ***,SCLC gastric metastases have not been systematically characterized and are easily missed and *** SUMMARY We report three cases of gastric metastasis from SCLC in this *** first patient presented primarily with cough,hemoptysis,and epigastric *** other two patients presented primarily with abdominal discomfort,epigastric distension,and *** patients underwent gastroscopy and imaging ***,the immunohistochemical results of the lesions in three patients were suggestive of small cell ***,the three patients were diagnosed with gastric metastasis of SCLC through a comprehensive *** three patients did not receive appropriate treatment and died within a short *** here,we focused on summarizing the characteristics of gastric metastasis of SCLC to enhance clinicians'understanding of this disease.

关键词： Small cell lung cancer Gastric neoplasms Neoplasm metastasis Diagnosis 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

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：