Colouration and gemmological characters of natural and synthetic beryls 天然与合成彩色绿柱石的致色和宝石学特征
Gemmological characters and colouration of hydrothermal synthetic rubies from guilin 桂林水热法合成红宝石的宝石学特征及呈色
The fluctuation of anterior teeth colouration during the period of growth puberty in children and adolescents 青少年生长发育期正常前牙颜色的变化趋势
Colour comparison were made by using a " shell colouration index " , which indicated the darkness of shells 分析时,用贝壳颜色指数来表示贝壳颜色深浅度特征。
Live , descriptive and at the same time expressive colouration is only a part of our endeavour . we also stress brushwork , as the best of traditional schools do 因为活泼、有叙述性及富于表现的色彩?是我们努力的一部分。我们更强调笔法,而且重视的程度绝对不减于传统学派。