نتایج جستجو برای: chemical partitioning

تعداد نتایج: 412291  

رحیمی فروشانی, عباس , پورآقا شاهنشین, حمیدرضا , پورمند, محمدرضا , کریمی, علی , گلبابایی, فریده ,

Introduction: There are different methods for controlling gaseous pollutants formed from air pollution sources that one of the most economical and efficient of them, is bio-filtration. The purpose of this study is Toluene removal from airstream by using the pure Pseudomonas putida bacteria as a fluidized bed in a two phase partitioning stirred tank bioreactor.Toluene ( Metyle benzene) is one of...

2003
Eric A. White Stephen C. Graves Abraham J. Siegel David Hardt

This thesis focuses on distribution tactics developed and analyzed for the lean extended enterprise of a chemical/imaging firm. The work describes the application and concept of value delivery heijunka as a key capability of lean extended enterprises. The thesis also encompasses topics important for lean extended enterprises. Notable topics include the theory of the firm and the evolution of bu...

A. Hosseini Alhashemi M. Mohammadi Roozbahani P. Maktabi

Accumulation of trace metals in sediment can cause severe ecological impacts. The present study determines the elemental concentrations and chemical partitioning of heavy metals in surface sediment of Shadegan wetland. Shadegan wetland is one of the most important wetlands in southwest of Iran and it is in Ramsar-listed wetlands. For this purpose, 7 sampling stations were selected for sediment ...

Journal: :Journal of Chemical Theory and Computation 2021

Quantum-chemical fragmentation methods offer an efficient approach for the treatment of large proteins, in particular if local target quantities such as protein–ligand interaction energies, enzymatic reaction or spectroscopic properties embedded chromophores are sought. However, accuracy that is achievable intricately depends on how protein partitioned into smaller fragments. While commonly emp...

Journal: :Environmental science & technology 2006
N M Donahue A L Robinson C O Stanier S N Pandis

A unified framework of semi-volatile partitioning permits models to efficiently treat both semi-volatile primary emissions and secondary organic aerosol production (SOA), and then to treat the chemical evolution (aging) of the aggregate distribution of semi-volatile material. This framework also reveals critical deficiencies in current emissions and SOA formation measurements. The key feature o...

Journal: :Journal of chemical information and modeling 2006
Debojyoti Dutta Rajarshi Guha Peter C. Jurs Ting Chen

Virtual screening (VS) has become a preferred tool to augment high-throughput screening(1) and determine new leads in the drug discovery process. The core of a VS informatics pipeline includes several data mining algorithms that work on huge databases of chemical compounds containing millions of molecular structures and their associated data. Thus, scaling traditional applications such as class...

2005
E. F. HARTREE

Coulthard, C. E., Michaelis, R., Short, W. F., Sykes, G., Skrimshire, G. E. H., Standfast, A. F. B., Birkinshaw, J. H. & Raistrick, H. (1942). Nature, Lond., 150, 634. Coulthard, C. E., Michaelis, R., Short, W. F., Sykes, G., Skrimshire, G. E. H., Standfast, A. F. B., Birkinshaw, J. H. & Raistrick, H. (1945). Biochem. J. 39, 24. Hagedorn, H. C. & Jensen, B. N. (1923). Biochem. Z. 135, 46. Hanes...

2017
Meng Li Jun Wang Fu Du Boubacar Diallo Guang Hui Xie

BACKGROUND Due to its chemical composition and abundance, lignocellulosic biomass is an attractive feedstock source for global bioenergy production. However, chemical composition variations interfere with the success of any single methodology for efficient bioenergy extraction from diverse lignocellulosic biomass sources. Although chemical component distributions could guide process design, the...

2004
Ignacio Soteras Antonio Morreale José Marı́a López Modesto Orozco Javier Luque

Group contributions to the free energy of solvation in water and octanol as well as to the octanol/water partition coefficient have been determined from Miertus-Scrocco-Tomasi continuum calculations. Particular attention is paid to the influence exerted by the procedure used to carry out the charge normalization in the MST model, as well as to the formalism of the partitioning scheme. A good ag...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده کشاورزی 1394

with the increasing population and the need for more food, as well as with the development of science and technology, human approach to unnatural and often chemical inputs to increase agricultural production has been a great expansion and problems such as increased cancers, chronic diseases has created environmental pollution. implementation of organic organic is a solution to these problems . ...

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