different terpenes, turpentines vary a great deal in composition. fresh turpentine is colourless, but as the terpenes oxidate – which they do readily and continuously – the liquid becomes more of a yellow colour. turpentine has a strong smell derived from its constituent terpenes. the oldest way of...
raw materials for export processing , corresponding to approximately tons of raw cashew . mr. nguyen duc thanh - chairman vinacas said one of the reasons that lead to tree decline area businesses processing less attached to the material , is not helping it reach farmers with the progress of science...
seafood exports for due to high growth in key products. viet nam association of seafood exporters and producers (vasep) general secretary nguyen hoai nam said the world market had seen a recovery, and sales of seafood products has risen more than other types of food. meanwhile, viet nam maintained stable...