By Oleg V. Krylov
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The consecutive-k procedure used to be first studied round 1980, and it quickly turned a really well known topic. the explanations have been many-folded, includ ing: 1. The procedure is easy and usual. So most folks can comprehend it and plenty of can do a little research. but it may well develop in lots of instructions and there's no loss of new issues.
In an period that has introduced new and unforeseen demanding situations for nearly each corporation, one will be hard-pressed to discover any dependable supervisor who's no longer wondering what the longer term will deliver. within the wake of those demanding situations, strategic making plans has moved from being the reserve of huge organisations to changing into an important desire for even small and medium-sized companies.
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12 t h e r e is no such effect. T h e a p p a r e n t ' ' s t r e t c h i n g o u t ' ' of t h e picture in t h e diagonal directions arises because t h e regions in t h e u p p e r left and lower right corners are difficult to reach by e x p e r i m e n t (too large or too small reaction rates). T h e indicated explanation of t h e relationship between log and ¿"is analogous to t h e explanation given by C r e m e r , according to which t h e relationship of log to Ε results from t h e presence on t h e surface of t h e catalyst of two or t h r e e types of centers each with sharply different values of log and E, T h e w i d t h of t h e forbidden zone, and not t h e type of c o n d u c t i o n , is Hkely to be t h e d e t e r m i n i n g factor in t h e case of catalysis and a d s o r p t i o n on semiconductors with small w i d t h of t h e forbidden zone.
18. -zone for a series of oxides of transition metals . SC2O3 TÍ2O3 V2O3 CrjOa M a , 0 3 anion-cation interaction; therefore, t h e 3¿-orbitals are not overlapped and do not form a ¿-zone; an electron o n t h e m has a very small mobility. D u e to the high mobility of holes of t h e 2/)-zone of oxygen, conduction of the majority of oxides of t h e transition metals is carried out by holes. According to t h e works of G o o d e n o u g h  a n d G e l d a n d T s k h a i , cation-cation interaction exists even in t h a t case, w h e n not m o r e t h a n three electrons are present on t h e 3¿-levels.
T h e n ΔΙΙ^ will be equal to t h e energy of ionization of an atom of t h e d o p e in a v a c u u m , divided by and multiplied by t h e ratio of the effective mass of a c u r r e n t carrier (electron or hole) m* to its normal mass m. 5 is the energy of ionization of a hydrogen atom in a v a c u u m in electron volts. 4. DOPED LEVELS 37 O n e can c o m p u t e the effective mass m* from a m e a s u r e m e n t of t h e Hall effect and thermoelectromotive force. 087 eV. , close to t h e calculated value and almost i n d e p e n d e n t of t h e chemical n a t u r e of t h e atoms of t h e d o p i n g material.