Vacuum freeze drying Western Europe is mainly based on imported dehydrated vegetables. Dehydrated vegetables can be directly added to convenience foods, and can also be used as raw materials for further processing. Drying methods of dehydrated vegetables include hot air drying, far infrared drying, ...more...

Vacuum pre-cooling is to place the fruits and vegetables in a vacuum chamber, and use a vacuum pump to evacuate the chamber. When the indoor vacuum reaches the saturation pressure of the water vapor corresponding to the temperature of the fruits and vegetables, the moisture in the fiber gap of the ...more...

Author: qihuafeng Currently, oral pharmaceutical formulations is still one of the main forms of administration. In-depth study of new oral dosage forms to improve drug efficacy and reduce adverse reactions is not only an urgent need for clinical pharmacy research, but also important in the economic ...more...

Grass has comprehensive nutrition and high crude protein content. The grass is made into straw pulp to cultivate fish fry. The utilization of nutrients is high, and the unfinished straw pulp is decomposed, fertilizer and water promote the growth of plankton, and provides abundant natural food for f ...more...

Abstract: This paper discusses the thermodynamic analysis method of a compression/ejection refrigeration cycle. It is pointed out that the injection coefficient of the compression/injection mixing cycle and the compression ratio of the refrigerant from the evaporator are not arbitrarily determined ...more...

Fish is a hypothermic animal, and its reproductive activity is not only restricted by hormones in the receptor but also by the combined effects of external factors including nutrients, temperature, light, and water flow. First, nutrient substances In the process of gonadal development, the ovary g ...more...

Pelteobagrus vachelli Richardson, also known as Vallissaurus, is classified as a scorpionfish, cerambycidae, and stingray genus. It is a small and medium sized species distributed in freshwater systems in the Yangtze, Pearl, and Huaihe rivers in China. Economic fish. The fish is delicate, delicious ...more...