Di-Na Chen

A Decade‑Long Genetic Epidemiological Profile of Thalassemia in the Childbearing‑Age Population of Huizhou, a Major Hakka Center in Guangdong, China

Hailin He, Zhi-Yang Guan, Zeyan Zhong, Zhong Guo-xing et autres

This retrospective study established the first comprehensive genetic epidemiological profile of thalassemia in the childbearing‑age population (n = 343,580) of Huizhou, a major Hakka center in Guangdong, China, over a decade (2015–2024). The overall carrier rate was 12.23%, comprising 8.04% α‑thalassemia, 3.58% …

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Efficient field-circuit co-simulation method for GaN-based high power microwave devices

Tiancheng Zhang, Di-Na Chen, Chunyu Li, Limin Zhang et autres

Due to the development of the third-generation semiconductors representative of gallium nitride (GaN), the microwave power devices are developing towards higher power, higher efficiency and high integration. However, the electromagnetic field effects are more significant inside the device. As a result, circuit-level …

Commissioning of two RF operation modes for RF negative ion source experimental setup at HUST

D. Li, Di-Na Chen, K. Liu, Pengfei Zhao et autres

An RF-driven negative ion source experimental setup, without a cesium oven and an extraction system, has been built at Huazhong University of Science and Technology (HUST). The working gas is hydrogen, and the typical operational gas pressure is 0.3 Pa. The RF …

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