The environmental problems of paper board industry are not limited by the high water consumption, generate wastewaters and solid wastes. This paper presents the paper board industry effluent treatment plant components performance and physio-chemical characteristics of wastewater and sludge. In ETP operation most important factors is effluent characterization, flow rate, aeration tank dissolved ...

package design is an important factor in product manufacturing that must be performed based on customer requirements. this paper introduces cardboard approach using raw materials according to standards and also effective requirements so, using materials based on specific standards will play important role. the materials and its production process used for packaging manufacturers to supply produ...

the ability of boards to perform their roles depends largely on their composition. board composition refers to the number of directors and type of members as determined by the usual insider or outsider classification. several empirical studies in other country have concluded that board composition determines a board’s power as an instrument of corporate control and contributes to company perfor...

According to agency theory, board of directors plays an important monitoring role in reducing information asymmetry and increasing the transparency of financial statements and social responsibility. This research is concerned with examining board diversity and social responsibility of the firms listed on the Tehran Stock Exchange during the years 2011-2015. To do so, a sample of 98 firms was se...

Thermal characteristic is one of the key performances dry-type on-board traction transformer (D-OBTT), which directly affects operation safety new generation electric multiple units. However, due to particularity train-induced wind cooling mode D-OBTT, existing efficient thermal modelling methods cannot be used under fluctuating air velocity and load. A time-saving transient model for D-OBTT pr...

This paper analyzes the construction method and expression of exterior interior finishes in houses designed by Tsuchiura Kameki before WWII. proposed a wooden dry system 1930s as low-cost modern urban housing model applied new materials such slate board fiberboard. In many houses, painted white to make joints unobtrusive impression pale colors soften walls background living space. Such presence...