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Full-Text Articles in Physical Sciences and Mathematics

Surface Structure Of Alkylsilylated Hzsm-5 As Phase-Boundary Catalyst, Hadi Nur, Yun Hau Ng, Mohd Nazlan Mohd Muhid, Halimaton Hamdan Nov 2004

Surface Structure Of Alkylsilylated Hzsm-5 As Phase-Boundary Catalyst, Hadi Nur, Yun Hau Ng, Mohd Nazlan Mohd Muhid, Halimaton Hamdan

Yun Hau Ng

The need for cleaner environment concerns motivates the development of more efficient catalytic system. Based on this consideration, recently a novel catalyst named "Phase-boundary catalyst", a bimodal amphiphilic solid catalyst, was proposed. It was demonstrated that the catalytic system containing phase-boundary catalyst required neither stirring to make an emulsion nor addition of a co-solvent to make a homogeneous solution to drive the reaction. The driving force that has prompted this paper is to investigate the surface structure of alkylsilylated HZSM-5 as phase-boundary catalyst. Temperature Programmed Desorption (TPD) of ammonia and, 13C and 29Si MAS NMR spectroscopy were used to elucidate …


Wpływ Wybranych Parametrów Na Wielkość Emisji Zanieczyszczeń Powietrza Z Procesu Wysokotemperaturowego Spalania Odpadów Chloroorganicznych, Robert Oleniacz Jun 2004

Wpływ Wybranych Parametrów Na Wielkość Emisji Zanieczyszczeń Powietrza Z Procesu Wysokotemperaturowego Spalania Odpadów Chloroorganicznych, Robert Oleniacz

Robert Oleniacz

In the paper preliminary analysis of the continuous measurements of the air pollutants emission and other

parameters of high-temperature process of chloroorganic waste incineration (liquid injection incinerator - Vicarb technology) are presented. In the analysis there was taken especially note of the parameters influencing the emissions, which could significantly vary in the incineration system (for example the amount of incinerated wastes) and pollutants like hydrogen chloride, nitrogen oxides and carbon monoxide. Basing the results of the analysis, it was affirmed that chlorine plays an inhibiting role on the formation of nitrogen oxides in the chloroorganic waste incineration system. On the …


Detection Of Trace Amounts Of Explosives And/Or Explosive Related Compounds On Various Surfaces By A New Sensing Technique/Material., L. M. Dorozhkin, V A. Nefedov, Alexander G. Sabelnikov, V G. . Sevastjanov Feb 2004

Detection Of Trace Amounts Of Explosives And/Or Explosive Related Compounds On Various Surfaces By A New Sensing Technique/Material., L. M. Dorozhkin, V A. Nefedov, Alexander G. Sabelnikov, V G. . Sevastjanov

Alexander G Sabelnikov

No abstract provided.


Effect Of Different Thyroid States On Mitochondrial Porin Synthesis And Hexokinase Activity In Developing Rabbit Brain., Philadelphia University Jan 2004

Effect Of Different Thyroid States On Mitochondrial Porin Synthesis And Hexokinase Activity In Developing Rabbit Brain., Philadelphia University

Philadelphia University, Jordan

No abstract provided.


2,2':6',2"-Terpyridine N,N',N"-Trioxide, Kraig A. Wheeler, Scott E. Mckay, Silas C. Blackstock Jan 2004

2,2':6',2"-Terpyridine N,N',N"-Trioxide, Kraig A. Wheeler, Scott E. Mckay, Silas C. Blackstock

Kraig A. Wheeler

No abstract provided.