Present condition of environmental problems in Thailand.

the effect of taftan pozzolan on the compressive strength of concrete in the environmental conditions of oman sea (chabahar port)

cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...

Border Disease Control Checkpoints: Are They Sufficient for Disease Control? The Present Situation in Thailand

The comparison of tutors’ and students’ opinions in respect to present academic condition

Introduction. Education as a pre-determined process to cause new behavioral changes demands a major concern. The authorities are putting a great effort to increase the quality of education, but whether this has been achieved or not, we have tried to seek the opinions. Methods. 413 tutors and students from Hamadan, Kermanshah, Booshehr and Ahwaz universities, randomly were selected and filled o...

Net Present Value of Cash Flows in Single Machine and Flow Shop Scheduling Problems

While a great portion of the scheduling literature focuses on time-based criteria, the most important goal of management is maximizing the profitability of the firm. In this paper, the net preset value criterion is studied taking account of linear time-dependent cash flows in single machine and flow shop scheduling problems. First, a heuristic method is presented for the single machine scheduli...

Net Present Value of Cash Flows in Single Machine and Flow Shop Scheduling Problems

While a great portion of the scheduling literature focuses on time-based criteria, the most important goal of management is maximizing the profitability of the firm. In this paper, the net preset value criterion is studied taking account of linear time-dependent cash flows in single machine and flow shop scheduling problems. First, a heuristic method is presented for the single machine scheduli...