Since liquid nitrogen is a refrigerant, it can save the transportation of animal semen, vaccines, low-temperature assembly of toxic species of bacteria, other biological samples, refrigeration and health care, medical surgical refrigeration and metal materials, and low-temperature processing of precision parts.
Due to the extremely low temperature of liquid nitrogen (-196°C) and non-toxic, medical samples are usually stored in liquid nitrogen containers for surgery, treatment or refrigeration of cells, tissues and so on. Treats a variety of skin diseases and beauty.
Animal semen preservation activities. Store and transport rare animals such as cattle, sheep, pigs, semen, and embryos. Improved varieties. Used in vaccines, bacteria and viruses, cells, and human and animal organs, such as long-term active storage.