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An Introduction To The Chemistry Of Plant Products – Vol II: Metabolic Processes by Paul Haas

Publisher: Obscure Press (March 15, 2007) | ISBN: 1406719560 | Pages: 148 | PDF | 4.3 MB

The study of plant life which in its fundamentals is physico chemical, is in its broad aspect the study of the origin ol life, since the plant arrived before the animal had its being. This attitude is frankly mechanistic, to some minds grossly materialistic, but more progress may be anticipated by follow ing mechanistic hypotheses than by the pursuit of theses based on foundations the stability of which is not yet agreed on. The present state of knowledge, however, does not permit a full physico-chemical explanation even of phenomena ap parently purely chemical, and sooner or later a stage is reached when agencies of a vital istic nature have to be offered in explanation.
[Devamini Okuyun…]

Batch Processes (Chemical Industries) by Ekaterini Korovessi

Publisher: CRC Press | 1 edition (September 26, 2005) | ISBN: 0824725220 | Pages: 560 | PDF | 8.4 MB

Reduced time to market, lower production costs, and improved flexibility are critical success factors for batch processes. Their ability to handle variations in feedstock and product specifications has made them key to the operation of multipurpose facilities, and therefore quite popular in the specialty chemical, pharmaceutical, agricultural, and biotechnology-enabled products industries.

The editors of Batch Processes analyze the design, development, operations, and control of batch processes — providing answers to the most challenging and pressing problems associated with their use. They present a reference unique in its coverage of both process design and operations management issues. Leading experts from industry and academia contribute chapters that discuss batch process scheduling, design software tools, and the latest technologies, their implementation, and their respective advantages.
[Devamini Okuyun…]

The Properties of Petroleum Fluids by William D. and Jr. McCain

Publisher: Pennwell Pub; 2nd edition (April 10, 1990) | ISBN: 0878143351 | Pages: 596 | PDF | 14 MB

A conveniently arranged petroleum fluids reference book covering components, properties, and equations for the various fluids and gases. Contents: Introduction and scope Water-in-crude-oil emulsions Characterization, phase behavior, and field processing of crude oil Separation of gas, oil and water Dehydration and desalting of crude oil Crude sweetening and stabilization Pumps Measurement of crude oil Fire heaters Pipeline transportation Energy conservation Instrumentation and process control Pressure relief and flaring Case histories Appendices.

[Devamini Okuyun…]

Science – 1 January 2010

Science – 1 January 2010
True PDF | 115 Pages | English | 7 Mb

[Devamini Okuyun…]

Boiling Heat Transfer And Two-Phase Flow

This second edition provides reliable information in predicting the thermal hydraulic behavior of boiling devices and two-phase flow. It contains formulas for predicting real or potential boiling heat transfer behavior. Emphasis is on applications to high heat flux equipment, such as nuclear reactors, and they are presented throughout the book.
[Devamini Okuyun…]

Principles of Physical Biochemistry (2nd Edition)

The Second Edition of Principles of Physical Biochemistry provides the most current look at the theory and techniques used in the study of the physical chemistry of biological and biochemical molecules—including discussion of mass spectrometry and single-molecule methods. As leading experts in biophysical chemistry, these well-known authors offer unique insights and coverage not available elsewhere. Physical techniques currently used by practicing biochemists, including new chapters dedicated to extended material on mass spectrometry and single-molecule methods are included.

[Devamini Okuyun…]

Lubricant Additives: Chemistry and Applications (Chemical Industries)


CRC | ISBN: 0824708571 | 2003-01-29 | PDF (OCR) | 758 pages | 40.5 Mb
This text details the design of cost-effective, environmentally friendly lubricant additive technologies and components for the automotive, industrial, manufacturing, food, and aerospace industries. It examines the mechanisms, functions, advantages and limitations of lubricant additives such as antioxidants, antiwear agents, detergents and dispersants, friction modifiers and metalworking fluids. It contains a disk displaying Internet resources for the lubricant industry.
[Devamini Okuyun…]

Thermotropic Liquid Crystal Polymers: Thin-film Poly Chara Blends

[Devamini Okuyun…]

Çelik Üretim Reaksiyonları

Çelik üretim oksidasyon reaksiyonları sıvı maden ve hurda karışımı üzerine su soğutmalı bir lans vasıtasıyla jet hızıyla saf oksijen üflenmesi ile gerçekleşir. Bu işlem sıvı çelikte bulunan yüksek orandaki elementleri oksidasyona uğratır. Oksidasyon  aslında yakma işlemidir. Reaksiyonlar;

[Devamini Okuyun…]

Yüksek Fırındaki Kimyasal Olaylar

Yüksek fırın içerisine üflenen sıcak hava kok kömürünü yakarak karbondioksit    CO2 haline dönüştürür.  CO2 ise yüksek  sıcakta  kok  ile  yeniden  reaksiyona  girerek  karbonmonoksit  CO  şeklinde  parçalanır.  Bu reaksiyonlar sonucu asıl bileşenleri azot  N2 ve karbonmonoksit   CO  olan   bir  gaz  fırın  içerisinde  yükselir.

Karbonmonoksit doymamış bir bileşiktir.  Daha fazla yanması mümkündür ve oksijeni kendisine bağlamayı çok sever.  Çok iyi bir redükleyici olmasının diğer bir nedeni de gaz olarak her yere nüfuz edebilmesidir.  Bu nedenle poröz ve çatlaklı cevherler daha kolay redüklenebilirler.  Karbonmonoksit fırın içerisinde yükselirken redüksiyon işlemi de demir oksitler üzerinde kademeli olarak gerçekleşir.  Azot reaksiyonlarda yer almaz ve değişime uğramaz.

[Devamini Okuyun…]

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