| حساب کاربری | آیا شما حساب کاربری نداری؟ | صفحه اصلی سایت |
| انتخاب موضوع | لینک های مفید |
نویسنده: محمود رضا پیشوایی
کد کتاب.: 28431#
شرح: معرفی کنترل فرایندها و انچه در این مقاله می خوانید
نویسنده: شرکت ملی گاز
کد کتاب.: 28430#
شرح: این دفترچه شامل سوالات آزمون استخدامی شرکت ملی گاز ایران(سال 87 ) در مقطع کاردانی شیمی می باشد.
نویسنده: شرکت ملی گاز
کد کتاب.: 28429#
شرح: این دفترچه شامل سوالات آزمون استخدامی شرکت ملی گاز ایران(7 اردیبهشت 86) در مقطع کاردانی شیمی(کاربردی/ پالایش/ پتروشیمی/ صنایع شیمیایی) می باشد.
نویسنده: شرکت ملی گاز
کد کتاب.: 28428#
شرح: این دفترچه شامل سوالات آزمون استخدامی شرکت ملی گاز ایران(سال 87 ) در مقطع کارشناسی شیمی کاربردی می باشد.
نویسنده: مهندس علی رضا فراهانی
کد کتاب.: 28427#
شرح: پیشرفته ترین روش تصفیه آب، روش اسمز معکوس می باشد که در این فرایند آب با فشار زیاد از یک سری غشاء نیمه تراوا عبور داده می شود.
نویسنده: مرتضی یونس تباری
کد کتاب.: 28426#
شرح: تولید متانول از طریق فرایند فیشر تروپش-طراحی و مدلسازی بخش های فرایند-pfdفرایند-تحلیل اقتصادی فرایند
نویسنده: محمد فرخ
کد کتاب.: 28425#
شرح: در مورد طیف سنج جرمی در شیمی و نوع استفاده و ساختار آن
نویسنده: James B. Foresman-Aeleen Frisch
کد کتاب.: 28423#
شرح: Exploring Chemistry With Electronic Structure Methods servws as an introduction to the capabilities of and procedures for this variety of computational chemistry.it is designed to taech you hoe ti use electronic structure modeling to investigate the chemical phenomena of interest to you.This work was developed using the Gaussian series of computational chemistry programs.
نویسنده: Frank Settle
کد کتاب.: 28422#
شرح: Experienced analytical chemists use a systematic approach to obtain the required informationfor samples .This approach consists of a series of steps and accompanying thought processes.The goal of every chemical analysis is to obtain the required information within a period of time acceptable to the customer.
نویسنده: Roy E. Sanders
کد کتاب.: 28421#
شرح: Look around the bookshelves. There are many good recent books and articles on Chemical Process Safety theory and procedures. These texts offer sound advice on identifying chem- ical process hazard analysis, training, audits, and guidelines books addressing the elements of OSHA’s Process Safety Management Law. However, only a few people such as Trevor A. Kletz offer many authentic case histories that provide opportunities to learn fundamentals in process safety
نویسنده: Ronald J. Gillespie-Paul L.A. Popelier
کد کتاب.: 28420#
شرح: The aim of this book is to provide undergraduate students with an introduction to models and theories of chemical bonding and geometry as applied to the molecules of the main group elements
نویسنده: Ron Darby
کد کتاب.: 28419#
شرح: The objectives of this book are twofold:(1)for the student ,to show howthe fundamental principles underlying the behavior of fluids (with emphasis on one-dimensional macroscopic balances) can be applied in an organized and systematic manner to the solution of practical engineering problems , and (2) for the practicing engineer,to provide a ready reference of current information and basic methods for the analysis of a variety of problems encountered in practical engineering situations
نویسنده: Svein Stolen-Tor Grande
کد کتاب.: 28418#
شرح: Macroscopic and Microscopic Aspects
نویسنده: jose a.c.broekaert
کد کتاب.: 28417#
شرح: analytical atomic spectrometry with flames and plasmas
نویسنده: Weber, Marvin J. Ph.D
کد کتاب.: 28416#
شرح: Gas lasers comprise the largest number of lasing transitions—over 12,000. Gas lasers may be categorized as neutral atom, ionic, or molecular. Molecular lasers can be further divided or characterized by the nature of the transitions involved in the stimulated emission process; that is, the transitions may be between electronic, vibrational, or rotational energy levels. The output of many lasers may consist of several lines of varying intensities
نویسنده: Weber, Marvin J. Ph.D
کد کتاب.: 28415#
شرح: The most common and familiar liquid lasers are those based on strongly absorbing organic dye molecules in an organic solvent and involving allowed transitions of conjugate p electrons. Laser action has been reported for over 500 different dyes in the tables in Section 2.1.3. By the selection of the active dye and solvent, laser action spanning a wavelength range from the near-ultraviolet (336 nm) through the near-infrared (1.8 microns) has been achieved. General categories of dyes and spectral ranges of reported laser action are shown in Figure 2.1.1
نویسنده: Weber, Marvin J. Ph.D
کد کتاب.: 28414#
شرح: Solid state lasers include lasers based on paramagnetic ions, organic dye molecules, and color centers in crystalline or amorphous hosts. Semiconductor lasers are included in this section because they are a solid state device, although the nature of the active center— recombination of electrons and holes—is different from the dopants or defect centers used in other lasers in this category. Conjugated polymer lasers, solid-state excimer lasers, and fiber Raman, Brillouin, and soliton lasers are also covered in this section
نویسنده: Marvin J. Weber Ph.D.
کد کتاب.: 28413#
شرح: Lasers continue to be an amazingly robust field of activity, one of continually expanding scientific and technological frontiers. Thus today we have lasing without inversion, quantum cascade lasers, lasing in strongly scattering media, lasing in biomaterials, lasing in photonic crystals, a single atom laser, speculation about black hole lasers, femtosecond-duration laser pulses only a few cycles long, lasers with subhertz linewidths, semiconductor lasers with predicted operating lifetimes of more than 100 years, peak powers in the petawatt regime and planned megajoule pulse lasers, sizes ranging from semiconductor lasers with dimensions of a few microns diameter and a few hundred atoms thick to huge glass lasers with hundreds of beams for inertial confinement fusion research, lasers costing from less than one dollar to more than one billion dollars, and a multibillion dollar per year market
نویسنده: Weber, Marvin J. Ph.D
کد کتاب.: 28412#
شرح: ppendix I Laser Safety Appendix II Acronyms, Abbreviations, Initialisms, and Common Names for Types of Lasers, Laser Materials, Laser Structures and Operating Configurations, and Systems Involving Lasers Appendix III Electron Configurations of Neutral Atoms in the Ground State Appendix IV Fundamental Physical Constants
نویسنده: شهر مجازی کتاب
کد کتاب.: 28411#
شرح: اخبار و مقالاتی از تحولات نانوتکنولوژی جهان
نویسنده: tarun biswas
کد کتاب.: 28410#
شرح: quantum mechanics - concepts and applications
نویسنده: Weber, Marvin J. Ph.D
کد کتاب.: 28409#
شرح: Lasing in the extreme ultraviolet (EUV) and soft x-ray (SXR) regions (from 87.4 to 3.56 nm) has been achieved in highly ionized plasmas, generally produced by pulses from high- power lasers incident on solid targets. This may involve a nanosecond prepulse to form and ionize the plasma followed by a more intense heating pulse; the latter may vary from a much higher energy pulse of similar time duration to a pulse of similar energy but of much shorter time duration (e.g., picoseconds). Extreme ultraviolet lasing has also been obtained by electric excitation of the plasma confined in a narrow capillary channel, the discharge plasma being formed by a low-induction, high-voltage current pulse. Population inversion results from transient electron collisional excitation from an ionic ground state into the upper laser level or from rapid recombination as a collisionally stripped plasma cools adiabatically after the pulse
نویسنده: Laurence A. Belfiore
کد کتاب.: 28408#
شرح: No part of this publication may be reproduced ,stored in a retrieval system or transmitted in any form or by any means,electronic,mechanical,photocopying,recording,scanning,or otherwise,except as permitted under Section 107 or108 of the1976 UnitedStates Copyright Act,without either the prior written permission of the Publisher,or authorization through payment of the appropriate per-copy fee to the Copyright Clearance Center
نویسنده: R.A.Nelson -BP Amoco- Houston,TX
کد کتاب.: 28407#
شرح: Much has happened in the field of fractured reservoir analysis since the publication of the first edition of this text in 1985. Many more reservoirs have been identified as being fracture-controlled and great strides have been made in the integration of the work and approaches of the many dis- ciplines needed to work successfully with these reservoirs. Indeed, from ex- ploration through blow-down, the effective management of these reservoirs requires the application of multi-disciplinary approaches more than virtu- ally any other type of petroleum reservoir
نویسنده: Marshall E. Parker-Edward G. Peattie
کد کتاب.: 28406#
شرح: A pipe line buried in the earth represents a challenge.It is made of steel a strong,but chemically unstable,material and is placed in an environment which is nonuniform,nonprotective,and nonyielding. It is the duty of the corrosion engineer to study the properties of this system to ensure that the pipe line will not deteriorate
نویسنده: E.Bruce Nauman
کد کتاب.: 28405#
شرح: PREFACE
نویسنده: E.Bruce Nauman
کد کتاب.: 28404#
شرح: NOTATION
نویسنده: E.Bruce Nauman
کد کتاب.: 28403#
شرح: CONTENTS
نویسنده: E.Bruce Nauman
کد کتاب.: 28402#
شرح: This book is an outgrowth of an earlier book,Chemical Reactor Design,John Wiley&Sons,1987.The title is different and reflects a new emphasis on optimiztion and particularly on scaleup,a topic rarely covered in undergraduate or graduate education but of paramount importance to many practicing engineers. The treatment of biochemical and polymer reaction engineering is also more extensive than normal