Statements (24)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | 
                                    
                                        
                                            gptkb:isotope
                                        
                                         | 
                            
| gptkbp:application | 
                                    
                                        
                                            
                                            nuclear reactor control
                                        
                                        
                                         | 
                            
| gptkbp:atomicNumber | 
                                    
                                        
                                            
                                            62
                                        
                                        
                                         | 
                            
| gptkbp:category | 
                                    
                                        
                                            
                                            fission product poison
                                        
                                        
                                         | 
                            
| gptkbp:containsElement | 
                                    
                                        
                                            
                                            samarium
                                        
                                        
                                         | 
                            
| gptkbp:crossSection | 
                                    
                                        
                                            
                                            ~42,000 barns (thermal neutrons)
                                        
                                        
                                         | 
                            
| gptkbp:decaysTo | 
                                    
                                        
                                            
                                            neodymium-145
                                        
                                        
                                         | 
                            
| gptkbp:foundIn | 
                                    
                                        
                                            
                                            nature
                                        
                                        
                                         | 
                            
| gptkbp:halfLife | 
                                    
                                        
                                            
                                            7×10^15 years
                                        
                                        
                                         | 
                            
| gptkbp:massNumber | 
                                    
                                        
                                            
                                            149
                                        
                                        
                                         | 
                            
| gptkbp:mode | 
                                    
                                        
                                            
                                            alpha decay
                                        
                                        
                                         | 
                            
| gptkbp:naturalAbundance | 
                                    
                                        
                                            
                                            13.82%
                                        
                                        
                                         | 
                            
| gptkbp:neutrons | 
                                    
                                        
                                            
                                            87
                                        
                                        
                                         | 
                            
| gptkbp:notableFor | 
                                    
                                        
                                            
                                            very high neutron absorption cross section
                                        
                                        
                                         | 
                            
| gptkbp:parent | 
                                    
                                        
                                            
                                            neodymium-145
                                        
                                        
                                         promethium-149  | 
                            
| gptkbp:protons | 
                                    
                                        
                                            
                                            62
                                        
                                        
                                         | 
                            
| gptkbp:stable | 
                                    
                                        
                                            
                                            no
                                        
                                        
                                         | 
                            
| gptkbp:symbol | 
                                    
                                        
                                            
                                            149Sm
                                        
                                        
                                         | 
                            
| gptkbp:usedIn | 
                                    
                                        
                                            
                                            nuclear science
                                        
                                        
                                         | 
                            
| gptkbp:bfsParent | 
                                    
                                        
                                            gptkb:Samarium-149
                                        
                                         gptkb:Sm  | 
                            
| gptkbp:bfsLayer | 
                                    
                                        
                                            
                                            8
                                        
                                        
                                         | 
                            
| https://www.w3.org/2000/01/rdf-schema#label | 
                                    
                                        
                                            
                                            Sm-149
                                        
                                        
                                         |