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Bacterial fermentation is a process where bacteria, under anaerobic or limited oxygen conditions, undergo metabolic reactions to break down organic matter and produce specific metabolites. This technology has been used for over a thousand years in human history, ranging from traditional food fermentation (such as yogurt, soy sauce) to modern industrial production (such as antibiotics, biofuels), all relying on the metabolic capabilities of bacteria. With the advancement of biotechnology, bacterial fermentation has become a core link connecting agriculture, medicine, energy, and environmental protection.

In the fields of modern biotechnology, biopharmaceuticals, and molecular biology, many terms have similar meanings in everyday language but have essential differences in scientific applications. Among them, the terms "Inactivate" and "Deactivate" are often used interchangeably, especially in aspects such as enzyme reactions, vaccine development, and gene regulation, where their distinctions are particularly crucial. Accurately distinguishing the meanings and usage scenarios of these two terms has significant implications for experimental design in scientific research, vaccine production, enzyme engineering, and regulatory compliance.

Biological fermentation is a process that converts raw materials into target products through the metabolic activities of microorganisms. It is widely applied in the fields of pharmaceuticals, food, agriculture, and environmental protection. During the fermentation process, temperature is a key parameter that affects microbial activity, metabolic pathways, and product formation. There are significant differences in temperature control strategies among different scales of fermentation tanks, mainly manifested in heat conduction efficiency, control system structure, response speed, energy consumption control, and process scaling. This article will systematically analyze the differences in temperature control strategies of fermentation tanks at the laboratory, pilot, and industrial scales, and the reasons behind them, with the aim of providing theoretical references for the optimization and scaling-up of fermentation processes.

Biological fermentation is a process in which microorganisms, under certain conditions, carry out their metabolic activities to convert organic substances into specific products. It is widely applied in fields such as food, medicine, energy, environment, and chemical engineering. Depending on whether oxygen is required, fermentation can be classified into aerobic fermentation and anaerobic fermentation. These two types of fermentation not only have significant differences in metabolic pathways but also differ greatly in their application goals and operational conditions in industrial production. A thorough understanding of the metabolic mechanisms of aerobic and anaerobic fermentation is of great significance for optimizing industrial production processes, increasing product yield, and enhancing economic benefits.