introduction: cleaner productions in textile industry is achieved by reducing water and chemicals’ consumption, saving energy, reducing production of air pollution and solid wastes, reducing toxicity and noise pollution through many solutions. the purpose of the present research was to apply strengths, weaknesses, opportunities, threats (swot) and quality systems planning matrix (qspm) techniqu...

In recent years, the collaborative demand-to-supply management which strategically supplies products to the market so as to maximize profit is a critical role for establishing a sustainable company. However, sales sector and production sector, respectively, do not always work together for corporate-wide optimization. In the most case, sales sector is responsible for maximizing sales. On the oth...

Hierarchical production planning (HPP) is a well-known approach to cope with the complexity of multi-level production planning and scheduling problems in real-world industrial cases. However, negligence of some issues such as inherent uncertainty in critical input data (i.e., market demands, production capacity and unit costs) as well as possible infeasibility of these problems due to imposing ...

In this paper, the minimization of the maximum aggregate inventory of all products for the common cycle time approach to the scheduling problem of a multi-products single machine system is considered. In the case of non-zero set up time and limited resources, a simply and easy to apply rule has been obtained for this optimization problem. Using this rule, one can obtain the optimal production s...

This paper presents new facts about China’s Great Famine and develops a theory of famine to explain them. First, in 1959, when the famine began, food production was almost three times more than population subsistence needs. Second, we uncover a very surprising fact: regions with higher per capita food production that year suffered higher famine mortality rates, a reversal of the typically negat...

In this paper we consider the complete supply chain for a large pulp producer in Sweden. The supply chain is divided up in two parts, the pulp production planning problem and the distribution to customers problem. We focus on the overall problem and the interaction between the partial problems and discuss how to solve these simultaneously in a supply chain logistic support system. We have model...

Formal definitions for the components of efficiency and capacity, mathematical formulas for computing overall efficiency, and data collection strategies are proposed for rigorous measurement of equipment efficiency and equipment capacity. Measurement of overall equipment effectiveness (OEE) under the TPM paradigm is revised to become a true quantitative measure of efficiency that we term overal...

Assess the Quaternary economic potential of the area, including aggregate and peat resources, through the production of detailed surficial geological maps (1:SO (IO() scale) suitable for industry use. Provide a prdclical database (surficial maps) of use to municipal, regional and provincial governments, which will he llelpful in future land-use planning. Examine the rlature of mass movemen...

To determine how polysaccharide production influences microalgal aggregate size, we stimulated polysaccharide production using existing methods (previously applied to cyanobacteria and plants). Cultures were treated with glyoxylate (0, 0.25, 0.5, 1.25 mmol/L) to simulate nutrient stress and examined for 9 days (approaching stationary phase on day 9) to assess: growth rate, polysaccharide produc...