نتایج جستجو برای: materials development

تعداد نتایج: 1798086  

Journal: :Environmental science & technology 2003
Valerie M Thomas T E Graedel

We define key research questions as a stimulus to research in the area of industrial ecology. The first group of questions addresses analytical support for green engineering and environmental policy. They relate to (i) tools for green engineering, (ii) improvements in life cycle assessment, (iii) aggregation of environmental impacts, and (iv) effectiveness of a range of innovative policy approa...

2003
Robert E. Nelson

In recent years, the Government of Kenya has embarked on a new economic development strategy which emphasizes job creation in the informal sector through self-employment and apprenticeship training (Republic of Kenya, 1986). Informal apprenticeship training takes place at ordinary workplaces in the informal sector and makes production tasks part of the instruction as a means for acquiring techn...

Bong-Jin Cha, Heui-Chun Ahn, In-Ok Kim, Sam-Kwang Cho, R. Craig ,

  This study aimed to design a bycatch reduction device (BRD) for shrimp beam trawl, which is manufactured by flexible materials to reduce bycatch for the gear in the South Sea of Korea. The model test was carried out to understand the shape of the gear in the water and to measure the variation of flow speed due to the BRD in a circulating water channel. Catches were compared between a shrimp b...

Journal: :Journal of the Japan Institute of Metals and Materials 2015

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