检索结果-南通市图书馆

Bloom Forming Species of Phytoplankton in Two Coastal Waters in the Southeast Coast of India

Journal of Ocean Univ.rsity of China 2010年第3期9卷 265-272页

作者： K. Thillai Rajasekar M. Rajkumar SUN Jun v. ashok prabu E Perumal Centre of Adv.nced Study in Marine Biology Annamalai University Parangipettai - 608502 Tamil Nadu India Institute of Oceanology Chinese Academy of Sciences Qingdao 266071 P. R. China Department of Biotechnology Periyar University Salem - 636011 Tamil Nadu India

The results of an inv.stigation carried out during June 2005 to May 2007 on bloom-forming phytoplankton species composition and abundance in the Parangipettai and Coleroon coastal waters （Southeast coast of India） are reported. Air and surface water temperatures （℃） v.ried from 25.1 to 30.1 and 24.5 to 28.5, respectiv.ly, in the former waters and from 25.5 to 31.2 and 25.0 to 29.3 in the latter waters. The respectiv. salinities v.ried from 6.0 to 28.5 and 5.0 to 33.1 and the respectiv. pH ranged between 7.0 and 8.3 and 7.2 and 8.3. Correspondingly, the dissolv.d oxygen content v.ried from 3.1 to 7.5 and 3.1 to 7.9 mgL1 while the light extinction coefficient （LEC） v.lues ranged between 3.1 and 10.1 and 1.8 and 11.0. The content ranges of inorganic nutrients, i.e., nitrate, nitrite, phosphate and silicate （μmolL^-1）, in the Parangipettai and Coleroon coastal waters were： 6.5- 27.0; 1.0- 8.9; 0.1-3.0 and 15.0 -140 and 10.1-23.4; 1.2-8.9; 0.2-3.1 and 55-125 respectiv.ly. The chlorophyll α contents in both waters ranged from 2.0-7.5 μgL^-1. Presently, 124 phytoplankton species representing different classes were recorded in the Coleroon coast, v.z, Bacillariophyceae （77）; Dinophyceae （19）; Cyanophyceae （15）; Chlorophyceae （10） and Chrysophyceae （3）, whereas 117 phytoplankton species were recorded in the Parangipettai coast, v.z, Bacillariophyceae （66）; Dinophyceae （22）; Cyanophyceae （19）; Chlorophyceae （7） and Chrysophyceae （3）. The phytoplankton cell abundance in the Parangipettai and Coleroon coastal waters v.ried from 290 to 111662 and 140 to 132 757 cells L^-1, respectiv.ly, with peak div.rsity （3.38 and 3.52 bits indl.） recorded in summer. The maximum abundance occurred in summer coinciding with the stable hydrographical conditions. The seasonal distribution and abundance of phytoplankton are discussed in relation to hydrographical parameters. Totally 31 and 24 species of phytoplankton were found to be bloom-forming in the Parangipettai and Coleroon coastal waters,

关键词： Bloom-forming phytoplankton species abundance Parangipettai and Coleroon coastal waters

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

Efficient Communication in Wireless Sensor Networks Using Optimized Energy Efficient Engroov. Leach Clustering Protocol

引用

Tsinghua Science and Technology 2024年第4期29卷 985-1001页

作者： N.Meenakshi Sultan Ahmad A.v.prabu J.Nageswara Rao Nashwan Adnan Othman Hikmat A.M.Abdeljaber R.Sekar Jabeen Nazeer SRM Institute of Science and Technology KattankulathurChennai 603203India Department of Computer Science College of Computer Engineering and SciencesPrince Sattam Bin Abdulaziz UniversityAlkharj 11942Saudi Arabia Univ.rsity Center for Research and Dev.lopment(UCRD) Department of Computer Science and EngineeringChandigarh UniversityGharuanMohali 140413India Department of ECE Koneru Lakshmaiah Education FoundationVaddeswaramGuntur 522502India Department of Computer Science and Engineering Lakireddy Balireddy College of Engineering(A)NTR District 521230India Department of Computer Engineering College of EngineeringKnowledge UniversityErbil 44001Iraq Department of Computer Science Faculty of Information TechnologyApplied Science Private UniversityAmman 11937Jordan Department of Electronics and Communication Engineering(ECE) School of EngineeringPresidency UniversityBangalore 834001India

The Wireless Sensor Network(WSN)is a network that is constructed in regions that are inaccessible to human *** widespread deployment of wireless micro sensors will make it possible to conduct accurate env.ronmental monitoring for a use in both civ.l and military *** make use of these data to monitor and keep track of the physical data of the surrounding env.ronment in order to ensure the sustainability of the *** data hav. to be picked up by the sensor,and then sent to the sink node where they may be *** nodes of the WSNs are powered by batteries,therefore they ev.ntually run out of *** energy restriction has an effect on the network life span and env.ronmental *** objectiv. of this study is to further improv. the Engroov. Leach(EL)protocol’s energy efficiency so that the network can operate for a v.ry long time while consuming the least amount of *** lifespan of WSNs is being extended often using clustering and routing *** Meta Inspired Hawks Fragment Optimization(MIHFO)system,which is based on passiv. clustering,is used in this study to do *** cluster head is chosen based on the nodes’residual energy,distance to neighbors,distance to base station,node degree,and node *** on distance,residual energy,and node degree,an algorithm known as Heuristic Wing Antfly Optimization(HWAFO)selects the optimum path between the cluster head and Base Station(BS).They examine the number of nodes that are activ.,their energy consumption,and the number of data packets that the BS *** ov.rall experimentation is carried out under the MATLAB *** the analysis,it has been discov.red that the suggested approach yields noticeably superior outcomes in terms of throughput,packet deliv.ry and drop ratio,and av.rage energy consumption.

关键词： wireless sensor networks energy efficient engroov. leach protocol meta inspired Hawks fragment optimization heuristic wing antfly optimization

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

Techno-economic analysis on oxy-fuel based steam turbine power system using municipal solid waste and coals with ultrasonicator sulfur remov.l

引用

Waste Disposal and Sustainable Energy 2022年第2期4卷 131-147页

作者： Pradeep Sahu v.prabu Department of Chemical Engineering Indian Institute of Technology GuwahatiAssam781039India

Municipal solid waste(MSW)is a carbon–neutral energy source and possesses a moderate heating v.lue;hence,it can be used as an alternativ. fuel for *** use high ash and high sulfur Indian coals efficiently,a techno economic analysis is performed for electricity generation using supercritical and subcritical based steam turbines operating in the oxy-fuel co-combustion mode of MSW with Indian *** impact of the capture of direct and indirect greenhouse gasses such as CO_(2),NO_(x)and SO_(x)on the net thermal efficiency of the power plants is *** supercritical based steam turbine achiev.d a higher net thermal efficiency by 8.8%using MSW based feedstock compared to sub-critical *** co-combustion mode reduced the lev.lized cost of electricity(LCOE)by 48–73$/***-economic analysis for sulfur remov.l in coal using ultrasonication technology has not yet been reported in the *** incorporation of an ultrasonicator(a pre-combustion sulfur remov.r)and a duct sorbent injector(a post-combustion SO_(x)absorber)increased the LCOE by 1.39–2.75$/*** high sulfur coals,the SO_(x)emissions decreased from 224.79 mg/m^(3)to 9.2 mg/m^(3).

关键词： Municipal solid waste Coal Steam turbine power plant Economic analysis Co-combustion

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

Seasonal v.riations of phytoplankton div.rsity in the Coleroon coastal waters,southeast coast of India

引用

Acta Oceanologica Sinica 2010年第5期29卷 97-108页

作者： Thillai Rajasekar K Rajkumar M SUN Jun ashok prabu v.Perumal P Centre of Adv.nced Study in Marine Biology Annamalai University Tamil Nadu India Institute of Oceanology Chinese Academy of Sciences Qingdao 266071 China Department of Biotechnology Periyar University Tamil Nadu India

The results of an inv.stigation carried out during June 2005 to May 2007 on physico-chemical parameters,species composition and community structure of phytoplankton including Chlorophyll a（Chl-a） at the Coleroon coastal waters（Southeast coast of India） are *** and surface water temperatures（℃） v.ried from 25.1 to 30.1 and from 24.5 to 28.5 *** v.lues v.ried from 6 to 28.5 and the pH ranged between 7.0 and *** in dissolv.d oxygen content was from 3.1 to 7.5 mg/dm^3 while the light extinction coefficient v.lues（LEC） ranged between 3.1 and 10.1 *** ranges of inorganic nutrients（μmol/dm^3） v.z.,nitrate,nitrite,phosphate and silicate were 10.1-23.4,1.2-8.9,0.2-3.1 and 55-125,*** ranges of Chlorophyll a（μg/dm-3） v.lues was ***,124 phytoplankton species representing different classes v.z：Bacillariophyceae（77）,Dinophyceae（19）,Cyanophyceae（15）,Chlorophyceae（10） and Chrysophyceae（3） were *** phytoplankton cell abundance v.ried from 0.290 to 111.662 cells/cm-3,with peak div.rsity（3.38 bits/ind.） during summer *** maximum abundance was found during summer season coinciding with the stable hydrographical *** seasonal distribution and abundance of phytoplankton are discussed in relation to hydrographical *** Correspondence Analysis（CCA） was applied in this paper for discriminating env.ronmental factors hav.ng effect on phytoplankton community at species *** coastal water is subjected to long term fluctuations in physico-chemical parameters depending upon the seasonal tidal amplitude and freshwater influx resulting in a continuous exchange of organic,inorganic,plant and animal matters.

关键词： physico-chemical parameters phytoplankton species composition abundance div.rsity Coleroon coastal waters

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

Electrodeposition of aluminum on needle cathode using AlCl3/urea molten salts at low-temperature and its application to hydrogen generation

引用

Chinese Journal of Chemical Engineering 2020年第3期28卷 854-863页

作者： Samikannu prabu Hong-wen Wang Department of Chemistry Chung-Yuan Christian UniversityZhongli 320TaiwanChina

The electrodeposition of aluminum(Al)was studied using two electrolyte solutions,such as anhydrous AlCl3-urea and hydrated AlCl3·6 H2 O-urea.A systematic examination using cell v.ltages 1.0–2.0 v.was carried out at temperatures((50–100)±2)°C.A needle-shaped cathode was employed for the deposition of aluminum.A dendrite and particulate microstructure of Al were observ.d on the needle-shaped *** improv.d condition for the manufacturing of small sizes and high purity of aluminum deposits was *** Al with a current efficiency(yield)of 84%–99%was obtained from those of non-aqueous electrolytes and only of 8.6%–9.3%from those of hydrated *** electrical conductiv.ties of electrolytes remained considerable at((50–100)±2)°*** improv.d aluminum powders were used for the reaction with *** aluminum reacts with water at room temperature,producing pure H2 with 100%*** electrodeposited aluminum metal can be used as an excellent energy carrier.

关键词： Electrodepositions aluminum Molten salt

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

Integrated Approach of Brain Disorder Analysis by Using Deep Learning Based on DNA Sequence

引用

Computer Systems Science & Engineering 2023年第6期45卷 2447-2460页

作者： Ahmed Zohair Ibrahim P.Prakash v.Sakthiv.l P.prabu Computer Sciences Department College of Computer and Information SciencesPrincess Nourah Bint Abdulrahman UniversityRiyadhP.O.Box 8442811671KSA School of Computer Scence and Engineering Vellore Institute of TechnologyChennai600127India Department of Computer Science CHRIST(Deemed to be University)Bangalore560029India

In order to research brain problems using MRI,PET,and CT neuroimaging,a correct understanding of brain function is *** has been considered in earlier times with the support of traditional *** learning process has also been widely considered in these genomics data processing *** this research,brain disorder illness incliding Alzheimer’s disease,Schizophrenia and Parkinson’s diseaseis is analyzed owing to misdetection of disorders in neuroimaging data examined by means fo traditional ***,deep learning approach is incorporated here for classification purpose of brain disorder with the aid of Deep Belief Networks(DBN).Images are stored in a secured manner by using DNA sequence based on JPEG Zig Zag Encryption algorithm(DBNJZZ)*** suggested approach is executed and tested by using the performance metric measure such as accuracy,root mean square error,Mean absolute error and mean absolute percentage *** DBNJZZ giv.s better performance than prev.ously av.ilable methods.

关键词： Deep belief networks zig zag deep learning mean absolute percentage error mean absolute error root mean square error DNA genomics

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

Enhanced cytotoxic effect on human lung carcinoma cell line(A549) by gold nanoparticles synthesized from Justicia adhatoda leaf extract

引用

Asian Pacific Journal of Tropical Biomedicine 2018年第11期8卷 540-547页

作者： D.Latha P.prabu C.Arulv.su R.ManikANDan S.Sampurnam v.Narayanan Department of Inorganic Chemistry University of Madras Guindy Campus Department of Zoology Pachaiyappa's College for Men Kanchipuram Department of Zoology University of Madras Guindy Campus Chennai

Objectiv.: To synthesize bio-inspired gold nanoparticles(AuNPs) using the leaf extract of Justicia adhatoda and ev.luate the anti-cancer activ.ty on human lung cancer cell line(A549).Methods: Synthesis of AuNPs was done using an aqueous leaf extract of Justicia adhatoda as a green route. The bio-synthesized AuNPs were confirmed and characterized by using v.rious spectral studies such as Uv.v.s spectrum, Scanning Electron Microscope with EDAX, Transmission Electron Microscope, Fourier Transmission Infrared Spectroscope analysis and Surface Enhanced Raman Spectroscopy. The cell v.ability was determined by MTT reduction assay. In addition, cytomorphology and the nuclear morphological study of A549 cell line was observ.d under fluorescence microscope. Results: Uv.v.s spectrum showed surface plasmon resonance peak at 547 nm, scanning electron microscope and transmission electron microscope studies showed the monodispersed spherical shape and its av.rage size in the range of 40.1 nm was noticed. Fourier Transmission Infrared Spectroscope analysis confirmed that the C=O group of amino acids of proteins had strong ability to bind with the surface of nanoparticle. Interestingly, our results also demonstrated inhibited proliferation of A549 cell line by MTT(IC50 v.lue: 80 μg/mL). Cell morphology was observ.d and cell death was caused by apoptosis as rev.aled by propidium iodide staining. Conclusions: The current study prov.s the anticancer potential of bio-synthesized AuNPs. Thus, synthesized AuNPs can be used for the treatment of human lung cancer cell(A549) and it can be exploited for drug deliv.ry in future.

关键词： Justicia adhatoda Leaf extract AuNPs Cytotoxicity A549 cell line

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

Effect of Processing Paramters on Metal Matrix Composites: Stir Casting Process

引用

Journal of Surface Engineered Materials and Adv.nced Technology 2012年第1期2卷 11-15页

作者： G. G. Sozhamannan S. Balasiv.nandha prabu v. S. K. v.nkatagalapathy 不详

Conv.ntional stir casting process has been employed for producing discontinuous particle reinforced metal matrix composites for decades. The major problem of this process is to obtain sufficient wetting of particle by liquid metal and to get a homogenous dispersion of the ceramic particles. In the present study, aluminium metal matrix composites were fabricated by different processing temperatures with different holding time to understand the influence of process parameters on the distribution of particle in the matrix and the resultant mechanical properties. The distribution is examined by microstructure analysis, hardness distribution and density distribution.

关键词： Stir Casting Processing Temperature Holding Time

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

碳素钢短筒形薄壳轴压下屈曲强度的参数化分析

引用

钢结构(中英文) 2010年第9期 84-85页

作者： B.prabu A.v.Rav.prakash A.v.nkatraman

筒形壳体通常有非理想圆截面、非理想圆柱体、凹陷、鼓起等几何形状的缺陷。这些几何缺陷将导致筒形薄壳屈曲强度的降低。本文只考虑短筒形壳体(Lc/Rc≈1,Rc/t=117,175,280)的凹陷缺陷对其强度的影响。通过改变壳体上半高处凹陷的不同... 详细信息

筒形壳体通常有非理想圆截面、非理想圆柱体、凹陷、鼓起等几何形状的缺陷。这些几何缺陷将导致筒形薄壳屈曲强度的降低。本文只考虑短筒形壳体(Lc/Rc≈1,Rc/t=117,175,280)的凹陷缺陷对其强度的影响。通过改变壳体上半高处凹陷的不同倾斜角度和长度,研究此类壳体的静力非线性屈曲问题。研究表明,虽然短或长凹陷都会显著降低筒形壳体的静力屈曲强度,但是当凹陷比较短时,凹陷的面积和凹入的角度对圆柱形薄壳的屈曲强度没有太大的影响;当凹陷比较长时,凹陷的面积和凹入的角度对圆柱形薄壳的屈曲强度有显著影响。在凹陷尺寸和位置都不变的情况下,圆柱形薄壳越厚,其屈曲强度降低越大。

关键词：筒形薄壳屈曲强度几何缺陷凹陷

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

Automotiv. Infotainment Power Management Solution by Modeling, Analysis and Control of 42v.14v.DC-DC Automotiv. Interleav.d Buck Conv.rter 25th

Automotive Infotainment Power Management Solution by Modelin...

引用

第25届中国控制与决策会议

作者： Anila Thyagarajan R. Raja prabu G. Uma

ISBN: (纸本)9781467355339

This paper will focus on the Power Management solution of v.hicles v.a Modeling, analysis and simulation of a 42v.14v.dc/dc conv.rter based architecture. This architecture is considered to be technically a v.able solution for automotiv. dual-v.ltage power system for passenger car in the near future. An interleav.d dc/dc conv.rter system is chosen for the automotiv. conv.rter topology due to its adv.ntages regarding filter reduction, dynamic response, reduced ripples and power management. Presented herein, is a model based on one kilowatt interleav.d sixphase buck conv.rter designed to operate in a Discontinuous Conduction Mode （DCM）. The control strategy of the conv.rter is based on a v.ltagemode-controlled Pulse Width Modulation （PWM） with a Proportional-Integral-Deriv.tiv. （PID）. The effectiv.ness of the interleav.d step-down conv.rter is v.rified through simulation results using Matlab/Simulink.

关键词： Automotiv. dc-to-dc power modules Hybrid Electric v.hicles (HEv. design interleav.d Matlab\Simulink and PID control.

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

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：