نتایج جستجو برای: synthesis gas manufacture

تعداد نتایج: 662436  

Journal: :journal of ultrafine grained and nanostructured materials 2012
maryam moazeni m. moradi s. torkan a. kermanpur f. karimzadeh

the nanoparticles of ti and tio2 have attracted extensive research interest because of their diverse applications in, for instance, catalysis, energy conversion, pigment and cosmetic manufacturing and biomedical engineering. through this project, a one-step bulk synthesis method of electromagnetic levitational gas condensation (elgc) was utilized for the synthesis of monodispersed and crystalli...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1386

چکیده ندارد.

Journal: :Science 2010
Christopher K Savile Jacob M Janey Emily C Mundorff Jeffrey C Moore Sarena Tam William R Jarvis Jeffrey C Colbeck Anke Krebber Fred J Fleitz Jos Brands Paul N Devine Gjalt W Huisman Gregory J Hughes

Pharmaceutical synthesis can benefit greatly from the selectivity gains associated with enzymatic catalysis. Here, we report an efficient biocatalytic process to replace a recently implemented rhodium-catalyzed asymmetric enamine hydrogenation for the large-scale manufacture of the antidiabetic compound sitagliptin. Starting from an enzyme that had the catalytic machinery to perform the desired...

Journal: :MATEC web of conferences 2021

The Natuna gas field is one of the largest natural reserves in Indonesia with estimated 222 TCF. However, until now, use still hampered because very high CO 2 content reaching 71%, while methane around 28%. dry reforming (DRM) process potential ways to be applied for solving these problems convert CH 4 and synthesis containing H as a raw material that can manufacture intermediate products or en...

Journal: :Journal of the Franklin Institute 1847

Journal: :Catalysts 2023

Copper manganese oxide spinels and related (multiphase) materials with the formula CuxMn3−xO4 are active catalysts in a wide variety of industrially important processes due to their great diversity phase relations, metal ion valence/site distribution, chemical properties. In this review, we summarize preparation methods effects on composition, properties, catalytic properties various Cu/Mn rati...

Journal: :journal of chemical and petroleum engineering 2015
leila vafajoo moslem fattahi mohammad kazemeini

in the present study, a heterogeneous and homogeneous gas flow dispersion model for simulation and optimization of a large-scale catalytic slurry reactor for the direct synthesis of dimethyl ether (dme) from synthesis gas (syngas) and co2, using a churn-turbulent regime was developed. in the heterogeneous flow model, the gas phase was distributed into two bubble phases including small and large...

2008
Haruo Sakamoto

In the department of Intelligent Mechanical Systems Engineering, Kochi University of Technology, the synthesis lecture has been being carried out in 3rd and 4th year grades of the undergraduate program. One project of the synthesis lecture in our laboratory is design and manufacture of a hand-made electric motorcycle. In this report, the student activity of design and manufacture for a hand-mad...

2011
Natalia Lapteva Juan F. Vera

Although ex vivo expanded T cells are currently widely used in pre-clinical and clinical trials, the complexity of manufacture remains a major impediment for broader application. In this review we discuss current protocols for the ex vivo expansion of virus- and tumor-specific T cells and describe our experience in manufacture optimization using a gas-permeable static culture flask (G-Rex). Thi...

Journal: :Philosophical transactions. Series A, Mathematical, physical, and engineering sciences 2012
Sam Beale

Rolls-Royce today is an increasingly global business, supplying integrated power systems to a wide variety of customers for use on land, at sea and in the air. Its reputation for 'delivering excellence' to these customers has been built largely on its gas turbine technology portfolio, and this reputation relies on the quality of the company's expertise in design, manufacture and delivery of ser...

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