检索结果-南通市图书馆

Nadi Yantra: a robust system design to capture the signals from the radial artery for assessment of the autonomic nervous system non-invasively

引用

Journal of Biomedical Science and Engineering 2009年第7期2卷 471-479页

作者： A bhinav Meghna Sareen mahendra kumar Jayashree Santhosh Ashok Salhan Sneh Anand 不详

Ayurvedic and other alternative medical practi-tioners throughout the world have been using pulse diagnosis to detect disease and the organ at distress by feeling the palpations at three close yet precise positions of the radial artery. This paper presents a robust electro-mechanical system, ‘Nadi Yantra’ which uses piezoelectric based pressure sensors to capture the signals from the radial artery. Morphology of the waveforms obtained from our system concurs with standard physiological arterial signals. Reproducibility and stability of the system has been verified. Signal processing techniques were applied to obtain features such as amplitude, power spectral density, bandpower and spectral centroid to reflect variations in signals from the three channels. Further, wavelet based techniques were used to process the pressure signals and percussion peaks were identified. The interval between the percussion peaks was used to calculate Heart Rate Varibility (HRV), a useful tool for assessing the status of the autonomic nervous system of the human body non-invasively. Time domain indices were calculated from direct measurement of peak-peak (PP) intervals and from differences between the PP intervals. Frequency domain indices such as very low frequency (VLF) power, low frequency (LF) power, high frequency (HF) power, LF/HF ratio were also calculated. Thereafter, nonlinear Poincare analysis was carried out. A map of consecutive PP intervals was fitted to an ellipse using least squares method. Results from 7 datasets are depicted in this paper. A novel pressure pulse recording instrument is deve loped for the objective assessment of the ancient sci-ence of pulse diagnosis. The features calculated using multi resolution wavelet analysis show potential in the evaluation of the autonomic nervous system of the human body.

关键词： Radial Artery Pulse Diagnosis Power Spectral Density Spectral Centroid Multi Resolution Wavelet Autonomic Nervous System Heart Rate Variability Time Domain Frequency Domain Poincare

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

New Approaches for Image Compression Using Neural Network

引用

Journal of Intelligent Learning Systems and Applications 2011年第4期3卷 220-229页

作者： Vilas H. Gaidhane Vijander Singh Yogesh V. Hote mahendra kumar 不详

An image consists of large data and requires more space in the memory. The large data results in more transmission time from transmitter to receiver. The time consumption can be reduced by using data compression techniques. In this technique, it is possible to eliminate the redundant data contained in an image. The compressed image requires less memory space and less time to transmit in the form of information from transmitter to receiver. Artificial neural net- work with feed forward back propagation technique can be used for image compression. In this paper, the Bipolar Coding Technique is proposed and implemented for image compression and obtained the better results as compared to Principal Component Analysis (PCA) technique. However, the LM algorithm is also proposed and implemented which can acts as a powerful technique for image compression. It is observed that the Bipolar Coding and LM algorithm suits the best for image compression and processing applications.

关键词： Image Compression Feed Forward Back Propagation Neural Network Principal Component Analysis (PCA) Levenberg-Marquardt (LM) Algorithm PSNR MSE

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

Evaluation of cytotoxic and anti-tumor activity of partially purified serine protease isolate from the Indian earthworm Pheretima posthuma

引用

Asian Pacific Journal of Tropical Biomedicine 2013年第11期3卷 896-901页

作者： mahendra kumar Verma Francies Xavier Yogendra kumar Verma Kota Sobha Department of Biotechnology R.V.R.& J.C.College of Engineering Department of Microbiology All India Institute of Medical Sciences

Objective:To isolate,partially purify and evaluate the cytotoxic and antitumor activity of a serine protease from the chosen Indian earthworm Pheretima ***:Whole animal extract was prepared and purified its protein constituents by size and charge based chromatographic separation techniques using Sephadex G-50 and DEAE-Cellulose resin *** molecular weight of the protein isolate was determined and analyzed for its cytotoxic property against Vero cells in different dilutions(1:20 and 1:40)and anti-tumor activity by MTT assay(a colorimetric assay)using breast cancer cell line MCF-7,with tamoxifen as ***:One of the protein constituents after purification was characterized as serine protease by Caseinolytic plate diffusion *** molecular weight of this purified isolate was determined,by SDS-PAGE analysis with standard protein ladder,as of 15 *** performed tests suggested that the 15kDa fraction has potent cytotoxic activity and satisfactory antitumor activity as well in ***:Exact molecular mechanism of the cytotoxic and antitumor activities is yet to be explored and currently we are working on ultra-purification and biophysical characterization of this *** investigation into the mechanism(s)of cytotoxic and antitumor activities at molecular level would be useful in treatment of various classes of cancer and viral infections in future.

关键词： Earthworm fibrinolytic enzyme Cytotoxicity Antitumor activity Serine protease Minimum inhibitory concentration

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 Critical Review on Traditional Herbal Drugs: An Emerging Alternative Drug for Diabetes

引用

International Journal of Organic Chemistry 2013年第1期3卷 1-22页

作者： Krishna Bihari Pandeya Indra Prasad Tripathi mahendra kumar Mishra Neelesh Dwivedi Yogesh Pardhi Arti Kamal Priyanka Gupta Nupa Dwivedi Chinmayi Mishra Faculty of Science & Environment Mahatma Gandhi Chitrakoot Gramoday Vishwavidyalaya Chitrakoot India Reseach Assistant Tropical Forest Research Institute (TFRI) Jabalpur India Research Scholar Mahatma Gandhi Chitrakoot Vishwavidyalaya Chitrakoot India Vice-Chancellor Mahatma Gandhi Chitrakoot Vishwavidyalaya Chitrakoot India

Diabetes is a chronic metabolic disease reaching an epidemic proportion in many parts of the world. By the year 2025 it is expected that 333 million people of the world will have diabetes as their main ailment. As today, India assumes the position of the diabetic capital of the world with the highest percentage of its population suffering from diabetes. It is pathetic to mention that in proportion to its people suffering from diabetes, this country has very weak spending power for treatment because of wide spread poverty. Therefore, this review is aimed at opening up new vistas in realizing the therapeutic potential of Ayurveda in treatment of diabetes and other chronic diseases. All drugs which we have discussed in this review have a significant role in therapy of diabetes mellitus.

关键词： Diabetes Mellitus Metabolic Disease Ayurveda Hyperglycemia Synthetic Drugs Herbal Drugs Metallo Therapy Oral Hypoglycemic Drugs

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

Nay or Jain Nyay 1： Existence Inferred from Affirmed Assertions

引用

Journal of Philosophy Study 2016年第2期6卷 55-68页

作者： mahendra kumar Jain University of Delaware

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

与硫配合施用时不同锌源和施用水平对大豆利用磷素的影响

引用

土壤学进展 1989年第2期17卷 58-60页

作者： Vinod kumar mahendra Singh R.P.Narwal 杜荣民

本试验在温室中进行,研究了与S配合施用时不同Zn源及其施用水平对P的吸收利用的影响。施S采用K_2SO_4,分0、40、80和120ppm四个施用水平。施Zn采用ZnCl_2、Zn-EDTA和Zn-Rayplex,分0、5和10ppmZn三个施用水平。播种后45天和110天采样测... 详细信息

本试验在温室中进行,研究了与S配合施用时不同Zn源及其施用水平对P的吸收利用的影响。施S采用K_2SO_4,分0、40、80和120ppm四个施用水平。施Zn采用ZnCl_2、Zn-EDTA和Zn-Rayplex,分0、5和10ppmZn三个施用水平。播种后45天和110天采样测定结果表明,施S对大豆植株各个部分吸收P具有协合作用,而施Zn则具有拮抗作用。播种后110天的大豆植株各个部分的P含量顺序为:籽粒>叶>豆荚>茎。施40和80ppmS和5ppmZn的处理,P的吸收增加。大豆植株总P量的50%左右是播种后45天内吸收的。

关键词：硫锌施用量大豆磷素

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

Nay or Jain Nyay 2： Logic of Atheism of Jain Dharm

引用

Journal of Philosophy Study 2016年第2期6卷 69-87页

作者： mahendra kumar Jain Agam Jain University of Delaware

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

Nay or Nyay 3： Epistemic Utility of Shadow of Ignorance that Obscures Mental Images and Associated States

引用

Journal of Philosophy Study 2016年第2期6卷 88-95页

作者： mahendra kumar Jain Rafael Apitz-Castro University of Delaware Academia Nacional de Medicina

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

Structural, Optical ＆ Surface Morphology of Zinc Oxide （ZnO） Nanorods in Molten Solution

引用

材料科学与工程（中英文B版） 2016年第2期6卷 68-73页

作者： Dr. mahendra kumar Ankit Gupta University Of Lucknow Lucknow 226007 India

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

Some Common Fixed Point Theorems for Four Mappings in Dislocated Metric Space

引用

Advances in Pure Mathematics 2016年第10期6卷 695-712页

作者： Dinesh Panthi kumar Subedi Department of Mathematics Valmeeki Campus Nepal Sanskrit University Kathmandu Nepal Department of Mathematics Education Mahendra Ratna Multiple Campus Ilam Nepal

In this article, we establish some common fixed point theorems for two pairs of weakly compatible mappings with (E. A.) and (CLR) property in dislocated metric space which generalize and extend some similar results in... 详细信息

关键词： Dislocated Metric Weakly Compatible Maps Common Fixed Point

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：