نتایج جستجو برای: nineteen century
تعداد نتایج: 122991 فیلتر نتایج به سال:
The spliceosome is a dynamic macromolecular machine composed of five small nuclear ribonucleoparticles (snRNPs), the NineTeen Complex (NTC), and other proteins that catalyze the removal of introns mature to form the mature message. The NTC, named after its founding member Saccharomyces cerevisiae Prp19, is a conserved spliceosome subcomplex composed of at least nine proteins. During spliceosome...
Data base management evolved during the sixties and seventies. The evolution period was protracted. Many driving forces impacted the evolution and it is the aim of this paper to analyze these driving forces (some technical and some political) and to discuss the impact of each. The driving forces are identified as follows: higher level languages, generalization of software, non-procedural approa...
Integral Test of Neutron Data and Comparison of Codes by Re-analysis of the SEG and STEK Experiments
Sample reactivity measurements performed at the fast-thermal coupled facilities RRR/SEG (RC Rossendorf) and STEK (ECN Petten) have been re-analyzed using the JNC standard route for reactor calculation JENDL-3.2 // SLAROM / CITATION / PERKY. The C/E-values are compared with results obtained with the competitive European scheme JEF-2.2 // ECCO / ERANOS. When using different input libraries, codes...
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