The effects of light(photoperiod,light intensity and light color) on specific activities of three digestive enzymes(protease,amylase and lipase) in juvenile Chinese shrimp Fenneropenaeus chinesis were studied under laboratory conditions.

Light color information art is take the electro-optics and the digitized multimedia information as a medium, by the light, the color ultra four-dimensional space structure and the dynamic structuralstyle change rhythm takes the basic artistic emotion language theemerging artistic class.

The western painting is a classic cover in the painting to dye the application between method or impression party light color regardless, all regarding c.

In this paper were studied the absorption and reflection of light and color of static objects by using the method of analyzing lights in optics and the influences of photosource color and environmental color on the inherent color of objects.

Until the end of 19th century,impressionist had made a lot of researches on light and colors and achieved to the peak.

Venetian paintings reached the epochal achievement on the exploring light and color element of tone at the age of Renaissance, and it deeply affect the development of painting languages in later several centuries.

In this paper, three methods of shade correction for cotton dyed fabric were described in detail, such as additive, subtractive and achromatic processes.

The color fixing results and the influence on shade of the author-synthesized cationic polymeric dye-fixing agent were investigated by fixation of direct dyes.

The curves of dyeing rate,the curves of K/S-C and color difference with the concentration were analyzed.

In experiement,different technological processes of H acid acylating are chosen to get the optimal conditions and optimal data,and the influence of the synthetic process on the color,strength ,and yield of dye is also studied.

Control of colour shade in cheese dyeing with vat dyes;