Approximately 90% of ovarian malignancies are epithelial ovarian cancer (EOC), with serous ovarian cancer (SOC) accounting for about 75% of EOC. In 2014, the World Health Organization (WHO) classified SOC into Type I and Type II based on histological findings under ordinary microscopy and biological behavior: Type I refers to low-grade serous ovarian cancer (LGSOC), … Read more
Author | Chen Kangcheng Produced by | Yanzhi Auto With the continuous development of automobile intelligence, the level of intelligence in the cockpit is also increasing. The cockpit has evolved from the initial mechanical cockpit to the electronic cockpit, and now to the smart cockpit. For users, the display and interaction inside the cockpit have … Read more
The core of solid-state physics is band theory, which categorizes the crystal world into two types: “insulators” and “conductors.” To fill the gap for semiconductor applications at room temperature, the concept of “semiconductors” was added. This knowledge is now taught in secondary schools, indicating that band theory has established its foundation.^_^. Of course, band theory … Read more
ZHEJIANG GONGSHANG UNIVERSITY 浙江工商大学食品与生物工程学院 LABORATORY of FOOD ORAL PROCESSING, ZHEJIANG GONGSHANG UNIVERSITY 食品口腔加工实验室（中国 · 杭州） December 28, 2022 Sensory Physics 101 | Olfaction Introduction Humans have five basic senses, including vision, hearing, touch, smell, and taste, to help perceive the surrounding world. The associated body parts transmit sensations to the brain, which then transforms these … Read more
Click on “Smart Fun Dog” above to follow us. Recently, Smart Fun Dog has recommended three articles: “Is Your Phone Screen Too Small? 3 Images Teach You How to Enlarge Your Phone Screen (Wired)”; “Is Your Phone Screen Too Small? 6 Images Teach You How to Enlarge Your Phone Screen (Wireless Projection)”; and “4 Images … Read more
In the smartphone field, Samsung’s Exynos and Huawei’s Kirin are also significant forces not to be ignored. Among them, Samsung’s Exynos is mainly used in its own Galaxy series phones, with a small portion allocated to Meizu; while Kirin is exclusively used in Huawei/Glory phones. In the tablet field, these two processors also adopt a … Read more
Drilling is the most expensive and time-consuming process in PCB manufacturing. The PCB drilling process must be implemented carefully, as even small errors can lead to significant losses. The drilling process is the most critical process in PCB manufacturing. It forms the basis for the connection between through-holes and different layers, making drilling techniques very … Read more
In the circuit board manufacturing process, panelization is a crucial step that can enhance the production efficiency and product quality of the SMT assembly line. It is a key topic that many engineers need to focus on. However, many people learn about panelization too theoretically and are not very familiar with most of its content. … Read more
Today, I would like to share with you the 8 common PCB markings. From left to right: Stamp hole – Via type – Solder mask pad – Reference mark From left to right: Stamp hole – Mounting hole – Solder mask pad – Reference mark From left to right: PCB slot, PCB button, spark gap, … Read more
Click the above“Mechanical and Electronic Engineering Technology” to follow us PCB, or Printed Circuit Board, is the “heart” of electronic products, and nearly all electronic devices rely on it. The phone in your hand, your computer, and even the television and refrigerator at home all hide the presence of PCBs. In 2024, the PCB industry … Read more