The amount of wastewater generated by medical clinics, dental clinics, scientific research, and laboratories is small. The wastewater produces redundant samples, standard curves and sample analysis re

Through this activity, we realized that in the new round of scientific and technological revolution, intellectual property rights have become an im- portant source of social wealth, a key strategic re

Through this activity, we realized that in the new round of scientific and technological revolution, intellectual property rights have become an im- portant source of social wealth, a key strategic re