检索结果-南通市图书馆

Dramatic changes in anatomical traits of a C4 grass Chrysopogon serrulatus Trin.(Poaceae)over a 1000 m elevational gradient

引用

Journal of Mountain Science 2023年第5期20卷 1316-1335页

作者： fatima sana HAMEED Mansoor AHMAD Farooq AHMAD Muhammad Sajid Aqeel ANWAR Majid MUNIR Mahwish ASHRAF Muhammad SHAH Syed Mohsan Raza BASHARAT sana AHMAD Iftikhar KHALIL Sangam Department of Botany Government Sadiq College Women UniversityBahawalpur 53100Pakistan Department of Botany University of Agriculture FaisalabadFaisalabad 38040Pakistan Department of Pharmacy Riphah International University Lahore 53770Pakistan Institute of Molecular Biology and Genetic Engineering The University of LahoreLahore 53770Pakistan Department of Botany Division of Science and TechnologyUniversity of EducationLahore 53770Pakistan Department of Forestry Range&Wildlife ManagementThe Islamia University of BahawalpurBahawalpur 53100Pakistan

Chrysopogon serrulatus(false beard-grass)is a dominant component of vegetation in the foothills of the *** study whole plant morphology,individuals of *** were collected from three plots at each of six locations spanning from 400 to 1,400 *** population colonizing the highest elevation modifications in different plant *** showed increased metaxylem number and *** the stem,especially outside of the vascular tissue,there was intensive sclerification indicative of increased xeromorphy as a survival *** the highest elevation,leaves were wider;aerenchyma formation and increased sclerification were noted in the leaf sheath;and a greater proportion of storage parenchyma was observed in the leaf blade,all indicators of *** contrast,leaves at lower elevations had xeric morphological features such as increased epidermal thickness,sclerification and more developed metaxylem *** conclusion,shifting of morphological features in below-and above-ground plant parts of *** were linked to shifts in environmental factors along this elevation gradient,thus enabling the successful distribution of this species along this elevation gradient.

关键词： Adaptive component Storage parenchyma Sclerification Metaxylem Aerenchyma

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

Assessment of phytochemicals, antioxidant, anti-hemolytic, anti-inflammatory and anti-cancer potential of flowers, leaves and stem extracts of Rosa arvensis

引用

Journal of Traditional Chinese Medicine 2024年第4期44卷 804-812页

作者： Zubaria Tul Ain Iram fatima sana Naseer Sobia Kanwal Tariq Mahmood Department of Plant Sciences Quaid-i-Azam UniversityIslamabad 45320Pakistan Department of Biology Allama Iqbal Open UniversityIslamabad 04403Pakistan Department of Plant Sciences Faculty of Biological SciencesQuaid-i-Azam UniversityIslamabad 45320Pakistan Pakistan Academy of Sciences Islamabad 04403Pakistan

OBJECTIVE:To evaluate phytochemicals and in vitro biological potential of flowers,leaves and stem extracts of Rosa ***:Presence of twenty secondary metabolites was confirmed and then phenolic and flavonoid contents were quantified *** Transform Infrared spectroscopy was conducted to ascertain functional groups and antioxidant potential was examined using 2,2-diphenyl-1-picrylhydrazyl scavenging activity,total antioxidant capacity and total reducing power *** erythrocytes were used to assess anti-hemolytic activity and five bacterial strains were examined to determine antibacterial potential of plant *** seeds were used to perform phytotoxic activity and cytotoxic potential was evaluated via brine shrimps and PC3 cell ***:Highest phenolic contents were detected in the methanolic extract of Rosa arvensis flower(RAFM)[(151.635±0.005)gallic acid equivalent mg/g]and highest flavonoid contents in the chloroform leaf extract(RALC)[(108.228±0.004)quercetin equivalent mg/g].Fourier-transform infrared spectroscopy analysis showed the presence of wide range of functional *** antioxidant assays indicated highest DPPH scavenging activity[IC50(23.5±0.6)μg/mL]in the methanolic stem extract(RASM),highest total antioxidant capacity[(265.1±0.9)μg/mL]in RAFM and highest reducing potential[(209.9±0.6)μg/mL]in leaf extract(RALM).Highest antihemolytic activity[(90.0±0.5)μg/mL]was recorded in RAFM and brine shrimp cytotoxicity potential[(52.3±0.3)μg/mL]in *** antimicrobial activity was detected highest[(21.1±0.5)mm inhibition zones]in RALM against Streptococcus *** the end,antiinflammatory and anti-cancer activity results depicted less than 50%inhibition in the methanolic ***:Our findings will be helpful in designing pharmaceutical regimens and therefore,more studies can be recommended to isolate and characterize compounds associated with the biological activities of Rosa arvensis.

关键词： anti-inflammatory agents spectroscopy,fourier transform infrared hemolysis oxidative stress PC-3 cells

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

A rare complication of measles infection presented with subacute sclerosing panencephalitis: Report of two cases in India

引用

Asian Pacific Journal of Tropical Medicine 2024年第4期17卷 184-187页

作者： Razeen fatima Amir Husain Iram Tabish Department of Medicine JN Medical CollegeAMUAligarhIndia

Rationale:Subacute sclerosing panencephalitis(SSPE)is a progressive neurological disorder caused by persistent measles virus *** predominantly affects children and *** symptoms usually develop 6-15 years after measles infection and ultimately leading to death in many *** concerns:Patient 1 presented with cognitive decline and myoclonus and the Patient 2 presented with diminution of vision with myoclonic ***:Based on the clinical features with a characteristic electroencephalogram pattern and the presence of a high titer of anti-measles IgG in serum and cerebrospinal fluid,these patients were diagnosed as ***:Antiepileptics were started for controlling myoclonus along with supportive ***:Both patients were discharged on antiepileptics and supportive ***:Whenever there are unusual clinical manifestations with unknown vaccination status,SSPE can be suspected and the cerebrospinal fluid should be examined for anti-measles *** case study also highlights the importance of universal coverage of measles *** reduce the incidence of measles and associated deaths,it is important to maintain a high level of immunization coverage for the measles vaccine and to strengthen all the integral components of the national immunization program.

关键词： Subacute sclerosing panencephalitis Measles Myoclonus Electroencephalogram Cerebrospinal fluid

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

Acute and Chronic Toxicity of Thioacteamide and Alterations in Blood Cell Indices in Rats

引用

Journal of Cancer Therapy 2013年第1期4卷 251-259页

作者： Muddasir Hassan Abbasi Tasleem Akhtar Ihtzaz A. Malik sana fatima Babar Khawar Khawaja Abdul Mujeeb Ghulam Mustafa Shabir Hussain Javaid Iqbal Nadeem Sheikh Cell and Molecular Biology Lab Department of Zoology University of the Punjab Lahore Pakistan Department of Anatomy Shaikh Zayed Postgraduate Medical Institute Shaikh Khalifa Bin Zayed Medical and Dental College Lahore Pakistan Department of Zoology Govt. College of Science Lahore Pakistan University of Health Sciences Lahore Pakistan

Background: Thioacetamide (TAA) has been used extensively in the development of suitable animal models of acute and chronic liver injury employing various doses, times and routes of its administration, particularly in drinking water due to its resemblance with human liver fibrosis and cirrhosis. The aim of this study was to investigate and compare hematological alteration during the acute and chronic liver inflammation. Methods: Acute Liver inflammation was induced in Wistar rats via intraperitoneal injection of thioacetamide and the animals were sacrificed 12 h after the TAA administration. Induction of chronic liver inflammation was performed by continuous administration of TAA in the drinking water (200 mg/L) during 18 weeks of experiment. After that all animals were sacrificed and Blood samples were collected for further analysis. Results: Single intra peritoneal injection of TAA (300 mg/kg B.W.) induced an acute condition with hematological changes including leukocytosis with marked neutrophilia (P = 0.0429), lymphopenia, thrombocytosis as well as increased hemoglobin concentration (P 0.05) and decline of erythrocytic count (P = 0.0009). Eighteen weeks of uninterrupted supply of TAA (200 mg/L) in drinking water lead to chronic inflammation and the hematological alterations were leucopenia (P = 0.0197) accompanied with neutropenia and thrombocytopenia. Increase in RBCs (P = 0.0073) and Hb contents was also observed with a decline of red cell indices. Conclusion: Taken together these findings we can conclude that the animals respond differently under acute and chronic inflammatory condition with TAA administration. Leukocytosis with marked neutrophilia, thrombocytosis as well as increased hemoglobin concentration and decline of erythrocytic count were observed in acute while leucopenia accompanied with neutropenia and thrombocytopenia and increase in RBCs, Hb and Hct was also observed with a decline of other red cell indices during chronic phase.

关键词： Haematology Inflammation Leucocytosis Leucopenia Neutrophilia Neutropenia Thrombocytosis and Thrombocytopenia

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

Post processing of additive manufactured Mg alloys:Current status,challenges,and opportunities

引用

Journal of Magnesium and Alloys 2024年第4期12卷 1283-1310页

作者： Nooruddin Ansari fatima Ghassan Alabtah Mohammad I.Albakri Marwan Khraisheh Mechanical Engineering Program Texas A&M University at QatarP.O.Box 23874DohaQatar

Magnesium(Mg)and its alloys are emerging as a structural material for the aerospace,automobile,and electronics industries,driven by the imperative of weight *** are also drawing notable attention in the medical industries owing to their biodegradability and a lower elastic modulus comparable to *** ability to manufacture near-net shape products featuring intricate geometries has sparked huge interest in additive manufacturing(AM)of Mg alloys,reflecting a transformation in the manufacturing ***,AM of Mg alloys presents more formidable challenges due to inherent properties,particularly susceptibility to oxidation,gas trapping,high thermal expansion coefficient,and low solidification *** leads to defects such as porosity,lack of fusion,cracking,delamination,residual stresses,and inhomogeneity,ultimately influencing the mechanical,corrosion,and surface properties of AM Mg *** address these issues,post-processing of AM Mg alloys are often needed to make them suitable for *** present article reviews all post-processing techniques adapted for AM Mg alloys to date,including heat treatment,hot isostatic pressing,friction stir processing,and surface *** utilization of these methods within the hybrid AM process,employing interlayer post-processing,is also *** post-processing conditions are reported,and their influence on the microstructure,mechanical,and corrosion properties are ***,future prospects and research directions are proposed.

关键词： Magnesium alloy Additive manufacturing Post-processing Heat treatment HIP

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

Experimental and numerical study of effecting core configurations on the static and dynamic behavior of honeycomb plate with aluminum material

引用

Defence Technology（防务技术） 2024年第9期39卷 177-192页

作者： Nehad Abid Allah Hamza fatima Mohammed K.AL-Fatlwe Muna Ali Talib Engineering College Al-Qasim Green University51013BabylonIraq Engineering Technical College of Al-Najaf Al-Furat Al-Awsat Technical University(ATU)Najaf54003Iraq

The sandwich panel incorporated a honeycomb core,a widely utilized composite structure recognized as a fundamental classification of composite *** a core resembling a honeycomb,possessing thickness and softness,and is flank by rigid face sheets that sandwich various shapes and *** paper presents an examination of the static and dynamic analysis of lightweight plates made of aluminum honeycomb sandwich *** sandwich plate samples are 300 mm long,and 300 mm wide,the heights of the core have been varied at four values ranging from 10 to 25 *** honeycomb core is manufactured from Aluminum material by using a novel technique namely resistance spot welding(RSW)instead of using adhesive material,which is often used when an industrial flaw is *** optimization based on response surface methodology(RSM)and design of experiment software(DOE)was used to verify the current work.A theoretical examination of the crashworthiness behavior(maximum bending load,maximum deflection)and vibration attributes(natural frequency,damping ratio,transient temporal response)of honeycomb sandwich panels with different design parameters was also carried *** addition,the finite element method-based ANSYS software was used to confirm the theoretical *** findings of the present work showed that the relationship between the natural frequency,core height,and cell size is *** contrast,the relationship between the natural frequency and the thickness of the cell wall is ***,the damping ratio is inversely proportional to the core height and cell size but directly proportional to the thickness of the cell *** study indicates that altering the core height within 10-25 mm leads to a significant increase of 82%in the natural frequency and a notable decrease of 49%in the damping *** findings are based on a specific cell size value of 0.01 m and a cell wall thickness of 0.001 ***,the results indicate

关键词： Honeycomb Load Transient response Free vibration Natural frequency

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

Multiple Solutions for an Elliptic Equation with Hardy Potential and Critical Nonlinearity on Compact Riemannian Manifolds

引用

Journal of Partial Differential Equations 2024年第1期37卷 1-24页

作者： MALIKI Youssef TERKI fatima Zohra Laboratoire Systemes Dynamiques et Applications Department of Mathematics `University Aboubekr Belka¨id of TlemcenTlemcenAlgeria.

We prove the existence of multiple solutions of an elliptic equation with critical Sobolev growth and critical Hardy potential on compact Riemannian manifolds.

关键词： Riemannian manifolds Yamabe equation Hardy potential.

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

Corporate Social Responsibility and Brand Community Engagement:Dual Mediating Roleof Brand and Community Identifications in the Chinese Decor Industry

引用

Fudan Journal of the Humanities and Social Sciences 2024年第1期17卷 51-72页

作者： Moazzam Abbas Zubair Nawaz Andeela Sahar fatima School of Management Huazhong University of Science and TechnologyWuhanChina Leadership and Management Studies National Defence UniversityIslamabadPakistan School of Applied Psychology Social Work and PolicyUniversiti Utara MalaysiaKedahMalaysia

Despite a plethora of studies on how corporate social responsibility(CSR)generates favorable consumer outcomes,the existing literature provides limited insights about how CSR may affect inter-consumer connection and brand community *** consumer engagement in the brand community is one of the key marketing objectives for strengthening the brand-consumer *** study aims to explore the role of corporate social responsibility in enhancing brand community engagement and examines the dual mediating role of brand identification and community *** research was conducted and an adapted questionnaire was *** data were collected from 405 Chinese consumers,and structural equational modeling was used to test the *** demonstrated that CSR motivates consumers to engage with the brand ***,brand identification and community identification perform the role of partial mediators.

关键词： Corporate social responsibility Community engagement Chinese consumers Brand identification Community identification

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

Regenerative rehabilitation:a novel multidisciplinary field to maximize patient outcomes

引用

Medical Review 2024年第5期4卷 413-434页

作者： Chunchu Deng fatima Aldali Hongmei Luo Hong Chen Department of Rehabilitation Medicine Tongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhanHubei 430030China

Regenerative rehabilitation is a novel and rapidly developing multidisciplinaryﬁeld that converges regenerative medicine and rehabilitation science,aiming to maximize the functions of disabled patients and their *** regenerative medicine provides state-of-the-art technologies that shed light on diﬃcult-to-treated diseases,regenerative rehabilitation offers rehabilitation interventions to improve the positive effects of regenerative ***,regenerative scientists and rehabilitation professionals focus on their aspects without enough exposure to advances in each other’sﬁ*** disconnect has impeded the development of thisﬁ***,this reviewﬁrst introduces cutting-edge tech-nologies such as stem cell technology,tissue engineering,biomaterial science,gene editing,and computer sciences that promote the progress pace of regenerative medicine,followed by a summary of preclinical studies and examples of clinical investigations that integrate rehabilitative methodologies into regenerative ***,challenges in thisﬁeld are discussed,and possible solutions are provided for future *** aim to provide a platform for regenerative and rehabilitative professionals and clinicians in other areas to better understand the progress of regenerative rehabilitation,thus contributing to the clinical translation and management of innovative and reliable therapies.

关键词： regenerative rehabilitation stem cell therapy rehabilitation strategies enhanced motor functions

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

Classification and Comprehension of Software Requirements Using Ensemble Learning

引用

Computers, Materials & Continua 2024年第8期80卷 2839-2855页

作者： Jalil Abbas Arshad Ahmad Syed Muqsit Shaheed Rubia fatima Sajid Shah Mohammad Elaffendi Gauhar Ali School of Computer Science and Technology Anhui UniversityHefei230039China School of Computing Sciences Pak Austria FachhochschuleInstitute of Applied Sciences and TechnologyHaripur22620Pakistan Department of Computer Science and IT University of LahoreLahore55150Pakistan Department of Computer Science Emerson UniversityPunjabMultan60000Pakistan EIAS(Emerging Intelligent Autonomous Systems)Data Science Lab Prince Sultan UniversityRiyad12435Saudi Arabia

The software development process mostly depends on accurately identifying both essential and optional ***,user needs are typically expressed in free-form language,requiring significant time and human resources to translate these into clear functional and non-functional *** address this challenge,various machine learning(ML)methods have been explored to automate the understanding of these requirements,aiming to reduce time and human ***,existing techniques often struggle with complex instructions and large-scale *** our study,we introduce an innovative approach known as the Functional and Non-functional Requirements Classifier(FNRC).By combining the traditional random forest algorithm with the Accuracy Sliding Window(ASW)technique,we develop optimal sub-ensembles that surpass the initial classifier’s accuracy while using fewer *** results demonstrate that our FNRC methodology performs robustly across different datasets,achieving a balanced Precision of 75%on the PROMISE dataset and an impressive Recall of 85%on the CCHIT *** datasets consistently maintain an F-measure around 64%,highlighting FNRC’s ability to effectively balance precision and recall in diverse *** findings contribute to more accurate and efficient software development processes,increasing the probability of achieving successful project outcomes.

关键词： Ensemble learning machine learning non-functional requirements requirement engineering accuracy sliding window

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：