检索结果-南通市图书馆

UDP-glucosyltransferase 71C4 controls the flux of phenylpropanoid metabolism to shape cotton seed development

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

Plant Communications 2024年第8期5卷 157-171页

作者： Yiwen Cao Zegang Han Zhiyuan Zhang Lu He Chujun Huang Jinwen Chen fan dai Lisha Xuan Sunyi Yan Zhanfeng Si Yan Hu Tianzhen Zhang Zhejiang Provincial Key Laboratory of Crop Genetic Resources the Advanced Seed InstitutePlant Precision Breeding AcademyCollege of Agriculture and BiotechnologyZhejiang UniversityHangzhouChina Hainan Institute Zhejiang UniversitySanyaChina

Seeds play a crucial role in plant reproduction,making it essential to identify genes that affect seed devel*** this study,we focused on UDP-glucosyltransferase 71C4(UGT71C4)in cotton,a member of the glycosyltransferase family that shapes seed width and length,thereby influencing seed index and seed cotton *** of UGT71C4 results in seed enlargement owing to its glycosyltransferase activity on flavonoids,which redirects metabolic flux from lignin to flavonoid *** shift promotes cell proliferation in the ovule via accumulation of flavonoid glycosides,significantly enhancing seed cotton yield and increasing the seed index from 10.66 g to 11.91 *** contrast,knockout of UGT71C4 leads to smaller seeds through activation of the lignin metabolism pathway and redirection of metabolic flux back to lignin *** redirection leads to increased ectopic lignin deposition in the ovule,inhibiting ovule growth and development,and alters yield components,increasing the lint percentage from 41.42%to 43.40%and reducing the seed index from 10.66 g to 8.60 *** research sheds new light on seed size development and reveals potential pathways for enhancing seed yield.

关键词： UDP-glucosyltransferase seed development phenylpropanoid metabolism gene editing

非马尔科夫环境中Werner态的量子非局域关联检验研究

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

物理学报 2024年第16期73卷 7-15页

作者：蒋世民贾欣燕樊代和西南交通大学物理科学与技术学院成都610031

以量子信息领域中常使用的Werner态为研究对象,详细地研究了其在两种非马尔科夫相位阻尼环境,即Random-Telegraph(RT)噪声环境、Ornstein-Uhlenbeck(OU)噪声环境,以及非马尔科夫振幅阻尼(AD)环境中演化后的量子非局域关联检验情况.分别... 详细信息

以量子信息领域中常使用的Werner态为研究对象,详细地研究了其在两种非马尔科夫相位阻尼环境,即Random-Telegraph(RT)噪声环境、Ornstein-Uhlenbeck(OU)噪声环境,以及非马尔科夫振幅阻尼(AD)环境中演化后的量子非局域关联检验情况.分别推导了Werner态在RT,OU以及AD环境中密度矩阵随时间的演化结果.基于Clauser-Horne-Shimony-Holt(CHSH)不等式,对演化后的量子态进行了详细的量子非局域关联检验研究.结果表明,Werner态在RT噪声环境和AD环境中存在信息回流现象,导致其量子非局域关联特性存在周期性振荡变化的现象,即随演化时间的增加,量子态能够从不具备量子非局域关联特性重新回到具有量子非局域关联特性的情况.而在OU噪声环境中,由于不存在信息回流现象,量子非局域关联检验值将随演化时间的增加而降低.同时,本文还详细给出了Werner的保真度、量子态与非马尔科夫环境的耦合强度、OU噪声环境和AD环境的线宽、RT环境噪声的翻转率等参数与成功进行量子非局域关联检验的演化时间之间的关系.

关键词：量子非局域关联 Werner态非马尔科夫环境 CHSH不等式相位阻尼振幅阻尼

乌头酸脱羧酶1对BCG诱导巨噬细胞炎症反应的调控作用研究

同方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

畜牧兽医学报 2024年第4期55卷 1696-1706页

作者：戴帆刘占有张旭阳李武宁夏大学西部特色生物资源保护与利用教育部重点实验室银川750021 宁夏大学生命科学学院银川750021

旨在探究乌头酸脱羧酶1(aconitate decarboxylase 1,ACOD1)对减毒牛分枝杆菌卡介苗(Bacillus Calmette-Guérin, BCG)诱导的小鼠巨噬细胞RAW264.7炎症反应的调控作用。基于小干扰RNA技术构建ACOD1敲减模型,采用Western blot、qRT-PCR、免疫荧光等技术检测BCG感染巨噬细胞RAW264.7后细胞内ACOD1、细胞因子IL-1β、TNF-α、IL-4、IL-6、IL-10、COX2、iNOS以及TLR4/MyD88/NF-κB信号通路蛋白的表达变化。结果显示,BCG感染巨噬细胞RAW264.7后以时间和浓度依赖性方式显著上调ACOD1及促炎细胞因子TNF-α、IL-1β、IL-6、COX2、iNOS的表达,下调抑炎细胞因子IL-4、TGF-β的表达(P<0.01);si-ACOD1结合BCG感染会显著下调促炎细胞因子表达(P<0.01),同时也会下调TLR4/MyD88/NF-κB通路相关蛋白TLR4、MyD88、TRAF6、p-NF-κB p65的表达。综上,ACOD1可能通过TLR4/MyD88/NF-κB信号通路参与调控BCG引起的炎症反应。

关键词：乌头酸脱羧酶1 BCG 小鼠巨噬细胞RAW264.7 炎症反应 TLR4/MyD88/NF-κB信号通路

在线全文

学校读者我要写书评

暂无评论

《COP28气候与健康阿联酋宣言》解读

科学通报 2024年第15期69卷 2025-2030页

作者：蔡闻佳张诗卉张弛戴凡陆波罗勇宫鹏清华大学地球系统科学系清华大学全球变化研究院东亚迁徙鸟类与栖息地生态学教育部野外科学观测研究站北京100084 北京理工大学管理与经济学院北京100081 香港大学地球科学系和地理系气候与碳中和研究院中国香港999077 国家气候中心气候变化影响适应室北京100081

《联合国气候变化框架公约》缔约方会议第28届会议(下文简称COP28,缔约方会议简称COP)将2023年12月3日设为COP历史上首个“健康日”,并在当晚举行的首次“气候-健康部长级对话”上正式公布了《COP28气候与健康阿联酋宣言》(COP28 UAE De... 详细信息

《联合国气候变化框架公约》缔约方会议第28届会议(下文简称COP28,缔约方会议简称COP)将2023年12月3日设为COP历史上首个“健康日”,并在当晚举行的首次“气候-健康部长级对话”上正式公布了《COP28气候与健康阿联酋宣言》(COP28 UAE Declaration on Climate and Health,以下简称《宣言》,https://***/en/cop28-uae-declarationon-climate-and-health)[1].

关键词：《联合国气候变化框架公约》缔约方会议阿联酋 .com COP 宣言

Dephosphorization stability of hot metal by double slag operation in basic oxygen furnace

在线全文

学校读者我要写书评

暂无评论

Journal of Iron and Steel Research International 2017年第9期24卷 908-915页

作者： Wei Wu Shi-fan dai Yue Liu Metallurgical Technology Research Department Central Iron and Steel Research InstituteBeijing 100081China Hai Yi Tong Special Material Co. Ltd.Wuhan 430082HubeiChina

Double slag process was adopted to produce low-phosphorus steel from middle-phosphorus hot *** achieve a stable dephosphorization operation,conventional process was modified as follows：the blowing time was extended by approximately 1min by reducing the oxygen supply flow rate;calcium ferrite pellets were added to adjust the slag composition and viscosity;the dumping temperature was lowered by 30-50°C by the addition of calcium ferrite pellets during the double slag process to prevent phosphorus in the slag from returning to the molten steel;and the bottom-blown gas flow was increased during the blowing *** 40 heats of comparative experiments,the rate of dephosphorization reached 91% and ranged between 87% and 95%;the phosphorus,sulfur,manganese,and oxygen contents calculated according to the compositions of molten steel and slag as well as the temperature of molten steel at the end-point of the basic oxygen furnace process were similar to the equilibrium values for the reaction between the slag and the *** free calcium oxide and metallic iron were present in the final slag,and the surface of the slag mineral phase was smooth,clear,and well developed,which showed that the slag exhibited better melting effects than that produced using the conventional slag process.A steady phosphorus capacity in the slag and stable dephosphorization effects were achieved.

关键词： Medium-phosphorus hot metal Double slag operation Dephosphorization rate Phosphorus capacity Basic oxygen furnace

ANALYSIS AND MODELING OF A DYNAMIC VISION BASED ROBOTIC SYSTEM

在线全文

学校读者我要写书评

暂无评论

ANALYSIS AND MODELING OF A DYNAMIC VISION BASED ROBOTIC SYST...

基于“水湿瘀毒”辨经分法论治贝尔氏面瘫急性期的成果及启示

计算机，通信，控制与电力工程国际会议

作者： dai Ping dai fan Dept.of Auto.Ctrl.Engr. C.S.Univ.of Tech. FhG-IGD Wilhelminenstrasse 76100 DarmstadtGermany

The preliminary results of a work for analysis and modeling of dynamic vision based robotic manipulator are presented. The major motion related factors such as motion blur of images, dynamics of the robot joints are e... 详细信息

ISBN: (纸本)0780312333

关键词： CCD ANALYSIS AND MODELING OF A DYNAMIC VISION BASED ROBOTIC SYSTEM image

来源： cnki会议评论

在线全文

cnki会议

学校读者我要写书评

暂无评论

中医药临床杂志 2024年第4期36卷 648-652页

作者：戴帆程红亮胡培佳安徽中医药大学研究生院安徽合肥230038 安徽中医药大学第二附属医院安徽合肥230061

介绍程红亮教授基于“水湿瘀毒”辨经分法治疗贝尔氏面瘫急性期的临证经验和治疗特色。程教授在临床实践和文献总结的基础上明确提出了贝尔氏面瘫急性期“水湿、瘀血、浊毒”是主要病因,水液代谢障碍是病机的核心,病位主要在三焦。针对... 详细信息

介绍程红亮教授基于“水湿瘀毒”辨经分法治疗贝尔氏面瘫急性期的临证经验和治疗特色。程教授在临床实践和文献总结的基础上明确提出了贝尔氏面瘫急性期“水湿、瘀血、浊毒”是主要病因,水液代谢障碍是病机的核心,病位主要在三焦。针对“水湿、瘀血、浊毒”不同的病因,采用辨经论治,分经、分部、分法相结合,临床疗效确切,具有临床应用推广价值。

关键词：贝尔氏面瘫水湿瘀毒辨经论治分法治疗名中医经验

Experimental investigation on the gravity driven discharge of cohesive particles from a silo with two outlets

在线全文

学校读者我要写书评

暂无评论

Particuology 2024年第6期89卷 11-21页

作者： Li dai Zhulin Yuan Fengxian fan Conghui Gu School of Energy and Power Engineering University of Shanghai for Science and TechnologyShanghai 200093China Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education School of Energy and EnvironmentSoutheast UniversityNanjing 210096China Shanghai Key Laboratory of Multiphase Flow and Heat Transfer in Power Engineering University of Shanghai for Science and TechnologyShanghai 200093China School of Energy and Power Jiangsu University of Science and TechnologyZhenjiang 212100China

An experimental study on the gravity driven discharge of cohesive particles from a silo with two outlets was *** discharge behaviors under the conditions that a single outlet was open and two outlets were open were investigated by varying the moisture content of the particles and the filling height of the particles in the *** results show that the discharge rate of the cohesive particles increases gradually at the beginning,then almost keeps constant,and finally drops *** discharge rate in case of two openings is around 1.1–1.6 times that in case of a single *** filling height leads to lower discharge rate in case of a single opening but results in higher discharge rate in case of two ***,the avalanche dynamics in case of a single opening was examined,and the mixing behavior of the cohesive particles was *** is observed that the discharge flow is promoted by the avalanche phenomenon in the silo,generating a general trend that the normalized mass of discharge increases with the filling height at higher moisture *** case of a single opening,the transition from mass flow to funnel flow favors the particle mixing,resulting in an increasing mixing index as the moisture content *** general,a better performance of mixing can be achieved in case of a single opening compared with in case of two *** study provides vital information for fundamental understanding of the gravity driven discharge of cohesive particles from the silo with multiple outlets.

关键词： Cohesive particles Moisture content Discharge rate Avalanche Mixing

Construction of conjugated scaffolds driven by mechanochemistry towards energy storage applications

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

Green Chemical Engineering 2024年第2期5卷 155-172页

作者： Juntian fan Zhenzhen Yang Sheng dai Department of Chemistry Institute for Advanced Materials and ManufacturingUniversity of TennesseeKnoxvilleTN37996USA Chemical Sciences Division Oak Ridge National LaboratoryOak RidgeTN37831USA

Mechanochemistry has been recognized as an efficient and sustainable methodology to provide a unique driven force and reaction environments under ambient and neat conditions for the construction of functionalized materials possessing promising *** them,highly porous conjugated scaffolds with attractive electronic conductivities and high surface areas are one of the representative categories exhibiting diverse taskspecific applications,especially in electrochemical energy *** recent years,the mechanochemistry-driven procedures have been deployed to construct conjugated scaffolds with engineered structures and properties leveraging the tunability in chemical structures of building blocks and polymerization capability of diverse ***,a thorough review of related works is required to gain an in-depth understanding of the mechanochemical synthesis procedure and property-performance relationship of the as-produced conjugated ***,the mechanochemistry-driven construction of conjugated porous networks(CPNs),the carbon-based materials(e.g.,graphite and graphyne),and carbon supported single atom catalysts(CS-SACs)are discussed and *** electrochemical performance of the afforded conductive scaffolds as electrode materials in supercapacitors and alkali-ion batteries is ***,the challenges and potential opportunities related to the construction of conjugated scaffolds driven by mechanochemistry are also discussed and concluded.

关键词： Mechanochemistry Conjugated scaffolds Porous organic networks Alkali-ion battery Supercapacitor