The study measured the energy-food water footprint and food-food water footprint of 36 prefecture-level cities in the three northeastern provinces from 2000 to 2020 using food and energy-food water footprint evaluation models. and examined the pressurees on available water resources generated by the energy-food water footprint in the three northeastern provinces. The results show that... https://www.divivoyance.com/product-category/cold-trap-vacuum/