cheersonic, Author at Ultrasonic Coating Solutions

31 01, 2023

What is Semiconductor

What is Semiconductor Before the discovery of semiconductors, people believed that materials in the world could only be divided into "conductive" and "non-conductive (insulating)" according to the classification of conductivity. According to the principle of "mutual independence and complete exhaustion" in the classification method, this is a very perfect classification method for materials in the world. Why does the classification of "semiconductor" still exist? In some documents, "semiconductor" [...]

30 01, 2023

Medical Conveyor Polymer Materials

Medical Conveyor Polymer Materials In minimally invasive interventional medical devices, stents and covered stents are commonly used. These devices and conveyors constitute a complete interventional medical device. After the transporter is transported, it has to complete the disposal process of withdrawing from the body after placement, so it is usually a disposable appliance. Even so, the performance of the conveyor will directly affect the smoothness of the operation [...]

29 01, 2023

Introduction to Fuel Cell System

Introduction to Fuel Cell System Fuel cell system is the most basic and core part of fuel cell vehicles. The biggest difference between fuel cell vehicles and power battery vehicles is the use of hydrogen-oxygen reaction to generate electricity. The fuel cell system is mainly composed of a stack, a fuel processor, a power regulator, and an air compressor. Each system component has its unique key technology, among [...]

28 01, 2023

Implantable Polymer Materials

Implantable Polymer Materials In minimally invasive interventional therapy devices, polymer materials can be used to meet the needs of carriers that need controlled release systems, such as covered stents, embolic agents, biodegradable stents and therapeutic drugs. Such devices usually coexist with the human body for a long time after implantation. Therefore, the polymer materials used shall ensure good antithrombotic property, excellent compatibility, stable physical and chemical properties and [...]

27 01, 2023

Key Materials and Components of Fuel Cell

Key Materials and Components of Fuel Cell Polymer electrolyte membrane (PEM) fuel cell is a hot spot in the application research of fuel cell vehicles. PEM fuel cells are made of several layers of different materials. The core of PEM fuel cell is membrane electrode assembly (MEA), including membrane, catalyst layer and gas diffusion layer (GDLs). The hardware assembly used for one means incorporating into the fuel cell [...]

26 01, 2023

Artificial Blood Vessel Manufacturing Process

Artificial Blood Vessel Manufacturing Process To date, most of the manufacturing methods used for artificial blood vessels are as follows: Electrospinning is one of the versatile methods used by tissue engineers to fabricate degradable scaffolds because it is compatible with many polymers and customizable enough to create vascular conduits with optimized properties. The process converts polymers dissolved in volatile solvents into nano- and microfibers in the application of [...]

25 01, 2023

How Fuel Cells Work

How Fuel Cells Work The principle of fuel cell power generation is similar to that of primary batteries or secondary batteries. Hydrogen oxidation and oxygen reduction reactions occur on both sides of the electrolyte diaphragm, and electrons do work through an external circuit, and the reaction product is water. However, unlike the primary battery, the reactants in the fuel cell are not pre-stored inside the battery, but when [...]

25 01, 2023

Classification of Transistors

Classification of Transistors In the past 100 years, during the development of semiconductor transistors, pioneering scientists and engineers have constantly tried various device structures and device materials to meet the requirements of integrated circuit characteristics in different fields. Various semiconductor devices are produced. Semiconductors are inherently abstract and elusive. The various names and abbreviations of semiconductors also make semiconductors more unpredictable, which brings many troubles to the electronics [...]

24 01, 2023

Minimally Invasive Interventional Medicine

Minimally Invasive Interventional Medicine Minimally invasive interventional medicine is an emerging medical technology that uses a series of interventional equipment and modern equipment to reach the lesion in the body, so as to achieve the effect of minimally invasive treatment. Different from traditional surgical operations, it has the advantages of only local anesthesia, small trauma, high safety factor, and fast postoperative recovery, which greatly reduces the pain of [...]

23 01, 2023

Fuel Cell Distributed Power Generation

Fuel Cell Distributed Power Generation The distributed cogeneration system is directly aimed at end users. Compared with the traditional energy consumption mode of centralized production, transportation, and end consumption, the distributed energy supply system directly provides users with different energy categories, which can minimize transportation consumption. , and effectively utilize the waste heat generated in the power generation process, thereby improving energy utilization efficiency. Fuel cell distributed power [...]

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