HS code integration in digital customs systems

List of Contents of this article:

• 1, The development of modern information technology cannot be separated from the application of microelectronic technology
• 2, Application overview of various microbeam analysis technologies in geology research
• 3、Micro-nano processing technology and its application

The development of modern information technology is inseparable The application of microelectronic technology

1. The application of microelectronics in modern electronic science and technology is chip design. Entering an international first-class enterprise and engaging in chip design is the first choice for many microelectronics graduates. In such large enterprises, you can get comprehensive and detailed training and learn the design process of the system.

2. Correct, because microelectronic technology is widely used in various technical fields.

3. Microelectronic technology is a comprehensive technology for researching and manufacturing micro-small integrated circuit systems.It involves basic knowledge and skills in semiconductor materials, devices, processes, design, testing, packaging, etc.

4. Modern information technology is a science and technology group based on electronic technology, especially microelectronic technology, with computer technology as the core, communication technology as the pillar, and information technology application as the purpose.

5. Microelectronics technology: Microelectronics technology is the basis of modern information technology. It realizes the digitization and miniaturization of information through semiconductor materials and integrated circuit technology. The development of microelectronic technology makes information processing and storage more efficient, reliable and low-energy consumption.

Application overview of various microbeam analysis technologies in geology research

Microbeam analysis technology has been popularized to research institutes, universities and various large-scale industrial and mining enterprises across the country, and has played a significant role in various scientific research fields, scientific and technological development and industrial and agricultural production fields.

The basic principle is to focus the laser beam on the micro-area of the sample to melt and gasify it, and then bring the sample particles into the plasma for ionization. Mass filtration is carried out by the mass spectrometry system, and the receiver detects ions with different charge-mass ratios.

This article briefly introduces several technologies and methods that are currently the most widely used in tectonic geology research, including cathodic luminescence analysis technology, transmission and scanning electron microscope technology, EBSD technology, etc. For the basic principles, technologies and scope of application of various methods, please refer to the relevant textbooks and literature.

Doctoral Application Conditions of Shanghai Institute of Microsystems and Applied Technology of the Chinese Academy of Sciences

1. Shanghai Institute of Microsystems and Information Technology Research Founded in 1928, it is one of the earliest famous national comprehensive research institutes of technology and science in China. Since the founding of the People's Republic of China, it has won more than 50 national awards and more than 340 provincial and municipal awards from ministries and commissions.It is the first batch of doctoral and master's degree awarding units approved by the State Council.

2. I) Applicants must have obtained a master's degree and work for more than five years after obtaining a master's degree.

3. The requirements for the postgraduate doctoral examination are: applicants must have obtained a master's degree, a fresh master's graduate or have obtained a bachelor's degree for more than 6 years and have achieved the same education as a master's graduate.

4. The conditions and requirements for doctoral students vary from country to country and region, but usually need to meet the following conditions and requirements: academic background: usually requires the applicant to have obtained a master's degree or an academic background equivalent to a master's degree. Some countries or regions also allow excellent undergraduate graduates to apply for doctoral degrees directly.

Application of microbial fermentation technology

1. Food industry Microorganisms are widely used in the food industry. For example, the fermentation of yogurt is carried out through lactic acid bacteria. And the production of bread, beer, soy sauce, wine and other foods is also completed through the metabolic process of microorganisms.

2. Tea In the fermentation process of tea food, the reasonable use of microbial fermentation technology can improve the quality of tea. Take Pu'er tea as an example. Pu'er tea has a promoting effect on yeast in the fermentation process, which can improve the fermentation efficiency and reliability.

3. Microbial fermentation is widely used in food. Here are some common examples: yogurt and dairy products: yogurt is fermented by adding lactic acid bacteria (such as lactobacillus and thermophilus streptoccus) in dairy cows to milk.

4. Fermentation engineering refers to a new technology that uses modern engineering means to use certain specific functions of microorganisms to produce useful products for human beings, or directly applies microorganisms to the industrial production process. The contents of the fermentation project include the selection of culture, the preparation of culture medium, sterilization, expanded culture and inoculation, fermentation process and separation and purification of products, etc.

5. Modern fermentation engineering, also known as microbial engineering, refers to the use of modern bioengineering technology to use certain specific functions of microorganisms to produce useful products for human beings, or directly apply microorganisms to industrial production processes. Fermentation engineering has been widely used in many fields such as medicine, food, agriculture, metallurgy and environmental protection.

Application of microelectronics in modern electronic science and technology

1. Microelectronics technology is the cornerstone of modern information technology, and it is the foundation and core of computer technology. Therefore, the development of modern information technology cannot be separated from the application of microelectronics technology.

2. Since the 1980s, scientists have begun to explore electronics with characteristic sizes of nanometers. Nanoelectronics mainly studies single-atom or single-molecular manipulation technology with scanning tunneling microscopes as tools.

3. Microelectronics mainly studies the design, manufacture and application of electronic devices. These include semiconductor devices, integrated circuits, optoelectronic devices, microelectromechanical systems (MEMS), etc. Semiconductor devices are the core of microelectronic technology, such as diodes, transistors, field effect transistors, etc.

4. Microelectronics is the pioneer and foundation of electronic science and technology and information science and technology in the 21st century, and an important foundation for the development of modern high-tech and national economic modernization.

5. Microelectronics and solid-state electronics are the second-level disciplines of electronic science and technology. The major of microelectronics and solid-state electronics is an important discipline direction of electronic science and technology. This major aims to cultivate senior talents in research and application of integrated circuit design theory and technology, with industrial application as the background.

micro-nanoprocessing technology and its application

1. Use special etching methods to study the micro-nano-level structure of ceramic surfaces; 15. Other nanoprocessing methods for non-CMOS applications;16. New nanoprocessing technology in nanoelectrical mechanics system. Each chapter of this book is written by experts in relevant fields, which contains not only detailed theories but also the latest developments in the field.

2. Nanotechnology has been successfully used in many fields, including medicine, pharmacy, chemistry and biological detection, manufacturing, optics and national defense, etc.

3. The uses of nanotechnology are as follows: Clothing: Adding nanoparticles to textile and chemical fiber products can deodorize and sterilize; adding a small number of metal nanoparticles to chemical fiber cloth can eliminate electrostatic phenomena.