نتایج جستجو برای: 6 feand b
تعداد نتایج: 1728683 فیلتر نتایج به سال:
Proton exchangemembrane fuel cells are promising candidates for a clean and efficient energy conversion in the future, the development of carbon based inexpensive non-precious metal ORR catalyst has becoming one of the most attractive topics in fuel cell field. Herein we report a Feand Ndoped carbon catalyst Fe-PANI/C-Mela with graphene structure and the surface area up to 702 m g. In 0.1 MHClO...
Properties of the late erythrocytic progenitor cells (CFU-E) 1 (1, 2) and of the earlier erythropoietic progenitor cells (BFU-E) (3) have largely been deduced from the behavior of their differentiated progeny in erythrocytic colonies or bursts, rather than from direct studies on the progenitor cells themselves. Because changes in the expression of cell surface molecules are known to occur along...
DNA sequence is located on chromosome 20. Transcription consists of 7 exons and 6 introns, spanning 3.6kb. A shorter transcription variance (M68E) has been identified, and is transcribed from 3 exons and 2 introns spanning 1.9kb as illustrated above. The difference occurs at the 5' untranslated region, but the two transcripts encode the same isoform. Mice do not have a gene orthologue to human ...
The accuracy, stability and consistency of new stress interpolation schemes is investigated, based upon sub-cell approximations. This includes the contrast of two alternative hybrid spatial discretisations: a cell-vertex finite element/volume (fe/fv) scheme and a finite element equivalent (fe). Here, the interest is to explore the consequences of utilizing conventional methodology and to demons...
The title compound has been synthesized starting from cis- N- (a - methylacrylyl) -3-N- Phenylacetamido -4- styryl -2- azetidinone (1) [1].
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