This study was conducted to study the growth process of silkworm eggs in a silkworm research center under the condition of no electromagnetic radiation and strong electromagnetic radiation.In the course of the study,t...
Lithospermum extract from Lithospermum is a kind of naphthoquinone,which has good anti-ultraviolet and antibacterial function.In this paper,the effects of different treatment temperature,time and ratio of liquid to li...
The content of flavonoids in mesophyll cells of wheat was studied under the condition of enhanced UV-B radiation intensity.In this experiment,four groups of six days of control were treated with He-Ne laser group (L),...
In the current era,electromagnetic radiation is everywhere.Every day electromagnetic radiation and static electricity caused by a variety of hazards.So,anti-electromagnetic radiation and anti-static awareness graduall...
The development status of flat panel solar water heater and the composition of water heater are described.The solar radiation in three typical weather conditions of sunny,cloudy and rainy days is studied.The hot water...