دانلود کتاب خارجی - دانلود رایگان کتاب لاتین PDF علمی

تعداد نتایج: 1292

Cumulated Index Medicus

Free Epub

جزئیات و درخواست

1990
Pages: 1284
Language: en
OTHER:OSU:32436011073861
Subject: Medicine

Sampling and Sample Preparation in Field and Laboratory

Fundamentals and New Directions in Sample Preparation

جزئیات و درخواست

By Janusz Pawliszyn
Publisher: Elsevier, 2002-09-09
Pages: 1170
Language: en
ISBN_10:0444505113
ISBN_13:9780444505118
Subject: Science

Advances in Plant Glycosides, Chemistry and Biology

جزئیات و درخواست

By Chong-Ren Yang, Osamu Tanaka
Publisher: Elsevier, 1999-02-03
Pages: 443
Language: en
ISBN_13:9780080544540
ISBN_10:0080544541
Subject: Technology & Engineering

Advances in Inorganic Chemistry

جزئیات و درخواست

Publisher: Academic Press, 1992-08-05
Pages: 502
Language: en
ISBN_13:9780080578873
ISBN_10:008057887X
Subject: Science

Index Medicus

Free Epub

جزئیات و درخواست

2004
Pages: 2324
Language: en
OTHER:MINN:31951P00992554H
Subject: Medicine

Fiesers' Reagents for Organic Synthesis, Volume 26

جزئیات و درخواست

By Tse-Lok Ho
Publisher: John Wiley & Sons, 2011-06-21
Pages: 756
Language: en
ISBN_13:9780470587713
ISBN_10:0470587717
Subject: Science

New Carbons - Control of Structure and Functions

$The discovery of fullerenes and nanotubes has greatly stimulated the interest of scientists and engineers in carbon materials, and has resulted in much scientific research. These materials have provided us with many interesting ideas and potential applications, some of them practical and some simply dreams for the future. In the early 1960s, carbon fibers, glass-like carbons and pyrolytic carbons were developed which were quite different from the carbon materials that had previously been used. Carbon fibers exhibited surprisingly good mechanical properties, glass-like carbons exhibited brittle fracture resulting in a conchoidal fracture surface similar to sodium glass, and giving no carbon dust, and pyrolytic carbons were produced by a new production process of chemical vapour deposition and showed very high anisotropy. These carbons materials made a great impact not only on the carbon community who had been working on carbon materials but also on people working in the fields of materials science and engineering. They were used to develop a variety of new applications in technological fields, such as semiconductors, microelectronics, aerospace and high temperature, etc. These newly developed carbon materials were called NEW CARBONS, in comparison with carbon materials such as artificial graphites represented by graphite electrodes, carbon blacks and activated carbons, which maybe thought of as CLASSICAL CARBONS. Later, other new carbons, such as activated carbons and those with novel functions, isotropic high-density graphites, intercalation compounds, various composites, etc., were developed. In 1994, Professor Michio Inagaki published a book entitled "New Carbon Materials — Structure and Functions" with his friend Professor Yoshihiro Hishiyama of Musashi Institute of Technology, published by Gihoudou Shuppan in Japanese. However, progress in the fields of these new carbons is so rapid that the previous book is already out of date. For this reason the author has decided to write an English text on New Carbons. The text focuses on New Carbons based on hexagonal networks of carbon-atoms, i.e. graphite-related materials. The fundamental concept underlying this book is that the structure and functions of these materials are principally governed by their texture. The aim is to give readers a comprehensive understanding of New Carbons through the description of their structure and texture, along with the properties that are largely dependent on them.$

جزئیات و درخواست

By Michio Inagaki
Publisher: Elsevier, 2000-04-20
Pages: 241
Language: en
ISBN_13:9780080525709
ISBN_10:0080525709
Subject: Technology & Engineering

Fiesers' Reagents for Organic Synthesis, Volume 27

جزئیات و درخواست

By Tse-Lok Ho
Publisher: John Wiley & Sons, 2013-02-22
Pages: 664
Language: en
ISBN_13:9781118523889
ISBN_10:1118523881
Subject: Science

Carbon Materials Science and Engineering

From Fundamentals to Applications

جزئیات و درخواست

By Michio Inagaki
Publisher: 清华大学出版社有限公司, 2006
Pages: 632
Language: en
ISBN_10:7302133018
ISBN_13:9787302133018
Subject: Carbon

Without Bounds: A Scientific Canvas of Nonlinearity and Complex Dynamics

جزئیات و درخواست

By Ramon G. Rubio, Yuri S. Ryazantsev, Victor M Starov, Guo-Xiang Huang, Alexander P Chetverikov
Publisher: Springer, 2013-05-30
Pages: 781
Language: en
ISBN_13:9783642340703
ISBN_10:3642340709
Subject: Science

Computer-Aided Detection of Architectural Distortion in Prior Mammograms of Interval Cancer

$Architectural distortion is an important and early sign of breast cancer, but because of its subtlety, it is a common cause of false-negative findings on screening mammograms. Screening mammograms obtained prior to the detection of cancer could contain subtle signs of early stages of breast cancer, in particular, architectural distortion. This book presents image processing and pattern recognition techniques to detect architectural distortion in prior mammograms of interval-cancer cases. The methods are based upon Gabor filters, phase portrait analysis, procedures for the analysis of the angular spread of power, fractal analysis, Laws' texture energy measures derived from geometrically transformed regions of interest (ROIs), and Haralick's texture features. With Gabor filters and phase-portrait analysis, 4,224 ROIs were automatically obtained from 106 prior mammograms of 56 interval-cancer cases, including 301 true-positive ROIs related to architectural distortion, and from 52 mammograms of 13 normal cases. For each ROI, the fractal dimension, the entropy of the angular spread of power, 10 Laws' texture energy measures, and Haralick's 14 texture features were computed. The areas under the receiver operating characteristic (ROC) curves obtained using the features selected by stepwise logistic regression and the leave-one-image-out method are 0.77 with the Bayesian classifier, 0.76 with Fisher linear discriminant analysis, and 0.79 with a neural network classifier. Free-response ROC analysis indicated sensitivities of 0.80 and 0.90 at 5.7 and 8.8 false positives (FPs) per image, respectively, with the Bayesian classifier and the leave-one-image-out method. The present study has demonstrated the ability to detect early signs of breast cancer 15 months ahead of the time of clinical diagnosis, on the average, for interval-cancer cases, with a sensitivity of 0.8 at 5.7 FP/image. The presented computer-aided detection techniques, dedicated to accurate detection and localization of architectural distortion, could lead to efficient detection of early and subtle signs of breast cancer at pre-mass-formation stages. Table of Contents: Introduction / Detection of Early Signs of Breast Cancer / Detection and Analysis of Oriented Patterns / Detection of Potential Sites of Architectural Distortion / Experimental Set Up and Datasets / Feature Selection and Pattern Classification / Analysis of Oriented Patterns Related to Architectural Distortion / Detection of Architectural Distortion in Prior Mammograms / Concluding Remarks$

جزئیات و درخواست

By Shantanu Banik, Rangaraj Rangayyan, J.E. Leo Desautels
Publisher: Springer Nature, 2022-05-31
Pages: 176
Language: en
ISBN_13:9783031016561
ISBN_10:3031016564
Subject: Technology & Engineering

Denitrification in Soil and Sediment

$The formation of atmospheric nitrogen gas by denitrifying bacteria may represent a significant nutrient sink in natural ecosystems. The rate of denitrification has often been difficult to measure in situ, however, and new methodologies should stimulate research on distribution of activity in space and time. The load of fertilizer nitrogen in modem agriculture has led to increasing nutrient reservoirs in recipient subsoils, aquifers, inland waters and coastal seas. By its conversion of nitrate to atmospheric nitrogen, bacterial denitrification is the only biological process to potentially reduce the impact of increasing nutrient loadings by fertilizer nitrogen in the environment. As part of a scientific program set up by the Danish Ministry of Environment to study environment cycling of nitrogen, phosphorous and organic matter (NPO program) in the light of agricultural, domestic and industrial activities, a symposium on DENITRIFICATION IN SOIL AND SEDIMENT was held at the University of Aarhus, Denmark from 6-9 June 19i\9. On the basis of lectures given at the symposium, this book contains a number of invited contributions on the regulation of denitrification activity (control of enzyme synthesis and activity) and measurement of in situ rates of denitrification in terrestrial and aquatic environments (control factors, diel and seasonal variations, etc). Emphasis has been placed on including the recent improvements in methodologies and current understanding of process regulation, however the book also contains examples of integrated research on the significance of denitrification in environmental nutrient cycling.$

جزئیات و درخواست

By Niels Peter Revsbech, Jan Sørensen
Publisher: Springer Science & Business Media, 2013-11-11
Pages: 352
Language: en
ISBN_13:9781475799699
ISBN_10:1475799691
Subject: Science

Iron-Sulfur Proteins

جزئیات و درخواست

Publisher: Academic Press, 1999-06-07
Pages: 525
Language: en
ISBN_13:9780080550800
ISBN_10:0080550800
Subject: Science

Proteins and Nucleic Acids in Plant Systematics

جزئیات و درخواست

By U. Jensen, D.E. Fairbrothers
Publisher: Springer Science & Business Media, 2012-12-06
Pages: 412
Language: en
ISBN_13:9783642692871
ISBN_10:3642692877
Subject: Science

Mass Spectrometry-Based Metabolomics

A Practical Guide

جزئیات و درخواست

By Sastia Prama Putri, Eiichiro Fukusaki
Publisher: CRC Press, 2016-04-21
Pages: 284
Language: en
ISBN_13:9781482223774
ISBN_10:1482223775
Subject: Science

Fundamentals of Many-body Physics

Principles and Methods

جزئیات و درخواست

By Wolfgang Nolting
Publisher: Springer Science & Business Media, 2009-09-29
Pages: 607
Language: en
ISBN_13:9783540719311
ISBN_10:3540719318
Subject: Science

Material Designs and New Physical Properties in MX- and MMX-Chain Compounds

جزئیات و درخواست

By Masahiro Yamashita, Hiroshi Okamoto
Publisher: Springer Science & Business Media, 2012-12-13
Pages: 275
Language: en
ISBN_13:9783709113172
ISBN_10:3709113172
Subject: Science

Tin Chemistry

Fundamentals, Frontiers, and Applications

جزئیات و درخواست

By Marcel Gielen
Publisher: John Wiley & Sons, 2008-09-15
Pages: 752
Language: en
ISBN_13:9780470758083
ISBN_10:0470758082
Subject: Science

Advances in Enzyme Regulation

جزئیات و درخواست

By George Weber
Publisher: Elsevier, 2003-07-10
Pages: 520
Language: en
ISBN_10:0080442943
ISBN_13:9780080442945
Subject: Science

Machine Learning in Computer-Aided Diagnosis: Medical Imaging Intelligence and Analysis

Medical Imaging Intelligence and Analysis

جزئیات و درخواست

By Suzuki, Kenji
Publisher: IGI Global, 2012-01-31
Pages: 525
Language: en
ISBN_13:9781466600607
ISBN_10:1466600608
Subject: Computers

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