It is well k n o w n that Paramecium (1) is cathodally galvanotactic in mixtures of sodium and calcium salts because of ciliary reversal at the cathodal end, and that (2) the cilia also may be reversed in solutions rich in monovalent cations or in barium or manganese ions, and (3) the organisms s w
Saccadic suppression and the dual mechanism theory of direction constancy
β Scribed by Ethel Matin
- Book ID
- 118370781
- Publisher
- Elsevier Science
- Year
- 1982
- Tongue
- English
- Weight
- 235 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0042-6989
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π SIMILAR VOLUMES
The hydrogen and oxygen abstraction mechanism for the radical-radical reaction of CH 3 S with HOO has been investigated at the CCSD(T)/aug-cc-pVDZ//B3LYP/6-311+G(d,p) level of theory on both the singlet and triplet potential energy profiles. Four hydrogen abstraction channels and one oxygen abstract
## Abstract The mechanisms of the reactions: CH~3~CFCl~2~ + Cl (R1) and CH~3~CF~2~Cl + Cl (R2) are studied over a wide temperature range (200β3000 K) using the dualβlevel direct dynamics method. The minimum energy path calculation is carried out at the MP2/6β311G(d,p) and B3LYP/6β311G(d,p) levels,
## Abstract By means of the dualβlevel direct dynamics method, the mechanisms of the reactions, CH~3~CF~2~Cl + OH β products (R1) and CH~3~CFCl~2~ + OH β products (R2), are studied over a wide temperature range 200β2000 K. The optimized geometries and frequencies of the stationary points are calcul