检索结果-南通市图书馆

Journal of Mathematical Research with Applications 2025年第1期 39-55页

作者： Dong GUO Huo tang Xi LUO Zongtao LI School of Mathematical Sciences Yangzhou Polytechnic College College of Mathematics and Computer Science Chifeng University School of Mathematics Jiaying University Department of Mathematics Teaching Guangzhou Civil Aviation College

In the paper, a class of functions with bounded turnings involving cardioid domain,are studied in the region of the unit disc. The bounds of |a5|, |a6|, |a7| and the fourth Hankel determinant are obtained, which are m...

关键词：

以系统观念推进进一步全面深化改革的原因廓清、内在要求与实践进路

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

东北师大学报（哲学社会科学版） 2025年第1期 1-9页

作者：李效东杜玉中唐鑫北京交通大学马克思主义学院北京100044

系统观念是基础性的思想方法和工作方法。进一步全面深化改革是一项复杂的系统工程,需要以系统观念来把握改革的全局与重点、整体与部分、联系与区别。在进一步全面深化改革中坚持系统观念是基于马克思主义世界观与方法论的理论指导,是... 详细信息

系统观念是基础性的思想方法和工作方法。进一步全面深化改革是一项复杂的系统工程,需要以系统观念来把握改革的全局与重点、整体与部分、联系与区别。在进一步全面深化改革中坚持系统观念是基于马克思主义世界观与方法论的理论指导,是基于中国共产党领导改革开放历史经验的深刻总结,是应对进一步全面深化改革中多种复杂问题的必然要求。以系统观念推进进一步全面深化改革的内在要求关键在于坚持系统思考、坚持系统谋划、坚持系统部署、坚持系统推进与坚持系统集成。在推进进一步全面深化改革系统工程的实践进路中,需要坚持党对进一步全面深化改革系统的领导,在系统整体上突出进一步全面深化改革的着力重点,在系统全局中正确处理好进一步全面深化改革的重大关系。

关键词：系统观念进一步全面深化改革系统工程

基于热处理工艺的拖拉机发动机铝合金组织性能研究

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

农机化研究 2025年第1期47卷 243-247页

作者：汤金金李好娜济源职业技术学院河南济源454650 郑州大学济源研究院河南济源454650

采用不同时长的热处理工艺,对拖拉机发动机铝合金组织性能进行了对比分析。结果表明:热处理后,铝合金性能得到了较大程度的提高,若优先考虑材料性能,则应该采用180℃×4 h的单级热处理时效;若优先考虑工艺效率和成本,则可以采用150℃×1... 详细信息

采用不同时长的热处理工艺,对拖拉机发动机铝合金组织性能进行了对比分析。结果表明:热处理后,铝合金性能得到了较大程度的提高,若优先考虑材料性能,则应该采用180℃×4 h的单级热处理时效;若优先考虑工艺效率和成本,则可以采用150℃×1 h+170℃×1 h的双级热处理时效。

关键词：热处理工艺拖拉机发动机铝合金组织性能

维普期刊数据库博看期刊

Unraveling the mechanism of action of Shangxia Liangji formula for treating insomnia:a metabolomics and network pharmacology approach

在线全文

学校读者我要写书评

暂无评论

Traditional Medicine Research 2025年第2期10卷 16-29页

作者： Xia-Jie Quan Hao Liang Yong-Hong tang Li Jiang Xiong-Ying Ji Feng-Ying Zhang Ping Zhang Bo Ouyang Department of Information The Affiliated Nanhua HospitalHengyang Medical SchoolUniversity of South ChinaHengyang 421002China Department of Neurology The Affiliated Nanhua HospitalHengyang Medical SchoolUniversity of South ChinaHengyang 421002China Department of Gastroscopy The Affiliated Nanhua HospitalHengyang Medical SchoolUniversity of South ChinaHengyang 421002China Department of Traditional Chinese Medicine The Affiliated Nanhua HospitalHengyang Medical SchoolUniversity of South ChinaHengyang 421002China

Background:Insomnia is a prevalent clinical condition and Shangxia Liangji formula(SXLJF)is a well-established method of ***,the specific mechanism of action of SXLJF remains ***:The mouse model of insomnia was established by intraperitoneal injection of ***-two mice were randomly divided into a negative control group,model group,SXLJF group(18.72 g/kg/day),and positive control group(diazepam,2 mg/kg)and treated with the corresponding drugs for 7 consecutive *** open field test and pentobarbital-induced sleeping test were ***-MS-based untargeted metabolomics and network pharmacology were applied to explore the potential targets of SXLJF for treating ***,key targets were validated using ***:Behavioral tests demonstrated that SXLJF reduced the total distance,average velocity,central distance,and sleep latency,and prolonged sleep *** and network pharmacology revealed potential targets,signaling pathways,metabolic pathways,and metabolites associated with the anti-insomnia effects of ***,tyrosine hydroxylase(TH)and tyrosine metabolism emerged as crucial metabolic pathways and targets,***-qPCR results supported the role of TH in the mechanism of SXLJF in treating ***:In conclusion,TH and tyrosine metabolism may represent significant targets and pathways for SXLJF in treating insomnia.

关键词： Shangxia Liangji formula insomnia metabolomics network pharmacology tyrosine hydroxylase tyrosine metabolism

数字经济驱动扬州先进制造业与现代服务业融合的路径研究

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

江苏商论 2025年第1期 66-69页

作者：唐建扬州职业大学管理学院江苏扬州225100

在先进制造业与现代服务业融合的过程中,数字经济贯穿其中。文章阐述了数字经济对“两业”融合的作用,并在目前扬州“两业”融合基础之上,总结了扬州“两业”融合中的问题,提出了数字经济促进扬州“两业”融合的路径。

关键词：数字经济先进制造业现代服务业产业融合

维普期刊数据库

Construction and characterization of a hrpG mutant rendering constitutive expression of hrp genes in Xanthomonas campestris ***

在线全文

学校读者我要写书评

暂无评论

Progress in Natural Science:Materials International 2006年第5期16卷 480-485页

作者： JIANG Bole, XU rongqi, LI Xianzhen, WEI Hongyu, BAI Faan, HU Xi, HE Yongqiang and tang Jiliang ( The Guangxi Key Laboratory of Subtropical Bioresources Conservation and Utilization,College of Life Science and Technology of Guangxi University, Nanning 530004, China) The Guangxi Key Laboratory of Subtropical Bioresources Conservation and Utilization Nanning 530004 China College of Life Science and Technology of Guangxi University Nanning 530004 China

The expression of hrp genes in Xanthomonas is regulated by hrpG, an OmpR-type transcriptional activator, and can be induced by artificial mimic medium XVM2, but repressed in rich medium NYG. In this study, a site-specific mutation of hrpG in Xanthomonas campestris pv. campestris (Xcc) was generated by PCR-directed point mutagenesis and was characterized by its phenotype and transcriptional expression analyses. The results indicated that the E45K mutated hrpG rendered all the hrp genes expressing constitutively in the suppression medium NYG. Plant test showed that mutated hrpG enhanced the timing and intensity of hypersensitive reaction (HR) on the nonhost plant pepper, but did not affect the growth of Xcc in both culture medium and plants. The E45K mutation did not cause significant changes of production of exopolysaccharide, extracellular cellulase and amylase, but it inhibited the secretion of extracellular protease. This mutant 8004 is more suitable than the wild type for identifying hrp-dependent effectors in vitro and studying the transcriptional regulation genome-wide.

关键词： hrpG Xanthomonas campestris pv. campestris effector constitutive expression site-specific mutagenesis.

成渝地区双城经济圈绿色一体化发展评价指标体系构建研究

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

物流科技 2025年第1期48卷 58-62页

作者：唐燕重庆财经学院重庆401320

为解决成渝地区双城经济圈绿色一体化发展评估的需求,文章基于战略目标要求和实际发展状况,结合高质量发展理论、可持续发展理论、区域一体化发展理论,遵循科学性、目的性、系统性等原则,搭建绿色一体化发展评价指标架构。同时,借鉴相... 详细信息

为解决成渝地区双城经济圈绿色一体化发展评估的需求,文章基于战略目标要求和实际发展状况,结合高质量发展理论、可持续发展理论、区域一体化发展理论,遵循科学性、目的性、系统性等原则,搭建绿色一体化发展评价指标架构。同时,借鉴相关测度指标,从绿色环境、绿色生活、绿色经济、绿色创新、基础设施共建、交通物流互联和公共服务共享7个维度构建评价指标体系,为成渝地区双城经济圈绿色一体化发展评估提供参考。

关键词：成渝地区双城经济圈绿色一体化发展指标架构评价指标体系

维普期刊数据库

柱前衍生高效液相色谱法检测合成牛磺酸及其中间产物的含量

在线全文

学校读者我要写书评

暂无评论

分析化学 1999年第9期27卷 1084-1086页

作者：汤志刚周荣琪段占庭清华大学化学工程系清华大学化学工程系北京100084

提出了柱前衍生高效液相色谱法检测工业合成牛磺酸及其中间产物2-氨基乙基硫酸酯.用2,4-二硝基氟苯作为衍生化试剂,以乙腈-水-磷酸缓冲溶液(pH=7)为流动相,在360nm处进行紫外检测.上述两种物质在C反相色谱柱上得到良好的分离,并进行了... 详细信息

提出了柱前衍生高效液相色谱法检测工业合成牛磺酸及其中间产物2-氨基乙基硫酸酯.用2,4-二硝基氟苯作为衍生化试剂,以乙腈-水-磷酸缓冲溶液(pH=7)为流动相,在360nm处进行紫外检测.上述两种物质在C反相色谱柱上得到良好的分离,并进行了定量测定.

关键词：牛磺酸高效液相色谱法柱前衍生

Revolutionizing breast cancer detection:Advances in fluorescent probe technology

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

Nano Research 2025年第1期18卷 653-674页

作者： Qian Gao Lin tang Jun Zhan Yiyuan Xue Feng Luo State Key Laboratory of Oral Diseases&National Center for Stomatology&National Clinical Research Center for Oral Diseases West China Hospital of StomatologySichuan UniversityChengdu 610041China Emergency Obstetrics and Gynecology West China Second University HospitalSichuan UniversityChengdu 610041China Department of Obstetrics and Gynecology West China Second University HospitalSichuan UniversityChengdu 610041China Department of Prosthodontics West China School of StomatologySichuan UniversityChengdu 610041China

With the increasing incidence of breast cancer globally,there is an urgent demand for enhanced diagnostic and therapeutic *** comprehensive review explores advancements in fluorescent probe technology for breast cancer imaging and early *** probes offer unparalleled sensitivity and specificity in detecting cancer biomarkers,enabling early diagnosis and delineation of tumor margins during *** categorize these probes into molecular,nano,ratiometric,the second near-infrared window(NIR-II),and multifunctional varieties,each with unique capabilities for targeting specific cancer *** review highlights recent innovations in probe design,emphasizing their applications in pathogenesis studies,drug development,precision medicine,and fluorescence-guided *** their promising clinical potential,challenges such as safety,biomarker targeting accuracy,system compatibility,and clinical translation *** these hurdles is crucial for the integration of fluorescent probes into standard cancer care,aiming to improve treatment outcomes and patient quality of life.

关键词： breast cancer fluorescent probes imaging early diagnosis biomarker

牛磺酸在大孔吸附树脂上的吸附-解吸行为研究

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

离子交换与吸附 2000年第3期16卷 207-212页

作者：汤志刚周荣琪段占庭清华大学化工系!北京100084

本文研究了S－8、D4020、NKA2、AB-8、D4006、NKA9、D3520、X－5等国产树脂对牛磺酸的吸附行为．S－8和D4020对牛磺酸的吸附能力较强，静态吸附容量在12mg／g以上．实验测定了28℃时牛磺酸在S－8和D4020上的吸附等温线，并研究了pH、盐... 详细信息

本文研究了S－8、D4020、NKA2、AB-8、D4006、NKA9、D3520、X－5等国产树脂对牛磺酸的吸附行为．S－8和D4020对牛磺酸的吸附能力较强，静态吸附容量在12mg／g以上．实验测定了28℃时牛磺酸在S－8和D4020上的吸附等温线，并研究了pH、盐析效应和温度对牛磺酸在S－8和D4020上吸附的影响，结果表明，温度对吸附影响很大．用80℃去离子水对吸附在树脂上的牛磺酸进行解吸，解吸率可达90％以上．

关键词：牛磺酸吸附吸附树脂分离