This clinical study examined differences in wear in manual toothbrushes from different price categories. 140 volunteers (14 groups of 10) brushed twice daily for 2-3 minutes over a period of three or six months using the modified Bass technique and seven different toothbrushes (TB) from three price categories. A: 2 TB for under 1 Euro; B: 2 TB priced between 1 and 2 Euro; C: 3 TB priced at over...

In this research, the DCC model is estimated to calculate dynamic correlation series between crude oil price and growth of Industry and Mine sector during 1367:1-1392:4. Then, Macroeconomic variables which can explain the dynamic correlation are analyzed as variables of contagion. So, the import, as an effective and affected variable from crude oil price, is separated to real import of consumpt...

The aim of this study was to determine the optimal cutting cycle in an uneven-aged beech forest in the North of Iran. First of all, a logistic growth model was determined for an uneven aged forest. Then, the stumpage price was predicted via an autoregressive model. The average stumpage price of beech was derived from actual timber, round wood, fire and pulpwood prices at road side minus the var...

determination of price of lost property is faced with two difficulties: on the one hand, property price is variable from time to time so it is necessary to determine the price of the item in which time must be considered? on the other side question of devaluation of money is raised. whether the agent of the loss is responsible for this or she/he is merely responsible for the value of property i...

to modify consumption patterns, the act of 93 was drafted to increase the gas price and it was expected by applying this new act in the second round of subsidies system, household gas consumption will changed in a proper way. the plan seems unsuccessful and this suggest the role of other factors like cultural one which may shape people behavior.this study aims at researching culture factors und...

liberalization of energy price increases costs of agricultural inputs and costs of agricultural production. all these changes may affect the overall competitiveness of domestic products with similar foreign products. as a result of that, total cost of agricultural products are increased and profitability are decreased. in this paper, energy consumption for producing corn were calculated using c...