Case Study of C-shaped Root Canal Treatment for the First and Second Premolars in the Left Mandible

Case provided by:Associate Chief Physician Ye Weihua, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology 【Patient Basic Information】: Male, 17 years old Main Complaint: Post-operative recovery from left mandible cyst curettage for over 2 months Present Illness: The patient was admitted to our hospital’s oral and maxillofacial surgery ward 2 months ago … Read more

Is the 710km Range C-Class Sedan Priced at 140,000 Yuan a Game Changer or a Leader in Range?

Click the blue text to follow us SUBSCRIBE to us I’ve been in this industry for nearly 20 years, and I’ve never seen a C-class sedan with a range of 710 kilometers for just 140,000 yuan. The Changan Qiyuan A07 has truly left me astonished. However, as an experienced driver, I need to analyze this … Read more

Land Strategy for Achieving the 1.5°C Target and Its Heterogeneous Pressure on Farmland

Click the blue text Follow us Article Information Title Translation：Land Strategy for Achieving the 1.5°C Target and Its Heterogeneous Pressure on Farmland Published Journal：Nature Climate Change Online Date：2025.03.24 First Author：Gao Peichao, Associate Professor Corresponding Authors：Haewon McJeon；Song Changqing, Professor Corresponding Institutions：Korea Advanced Institute of Science and Technology；Beijing Normal University Online：Using a high-resolution global land system model, … Read more

Exploring New Horizons | Corsair Vengeance DDR5 CUDIMM 48G8200C40 Memory Testing

Since the launch of CUDIMM DDR5 memory, the introduction of the CDK chip has alleviated the pressure on the processor’s memory controller, allowing the memory to easily achieve high frequencies, making it no longer difficult to exceed 8000+ MT/s. Recently, the launch of DeepSeek has also made AI large models no longer exclusive to computing … Read more

From -196°C to 600°C: A New Alloy Pushes the Limits of Metal Materials

On April 18, scientists from Pohang University of Science and Technology (POSTECH) achieved a significant breakthrough in materials science by successfully developing a new type of nickel-based high-entropy alloy (High-Entropy Alloy, HEA). This alloy can maintain excellent strength and toughness across an extreme temperature range from -196°C to 600°C. Traditional metals often lose stability when … Read more

Innovations in Sensors from a System Application Perspective in 2023

In the current wave of Industry 4.0 sweeping the globe, sensors, as the “sensory organs” of modern electronic systems, have become the bridge connecting the physical world with the digital world, playing a crucial role. From micron-level precision control in precision manufacturing to force feedback adjustments in humanoid robot dexterous fingers; from millisecond-level early warnings … Read more

The Path from Materials to Chips is Completely Blocked!

This all started in 2020! In 2020 and 2021, despite the impact of the pandemic causing various industries to suffer, the transition to chip design and chip verification reached its peak! At that time, the entire semiconductor industry was thriving. Under the dual influence of substantial national subsidies and U.S. sanctions, the number of chip … Read more

Teardown Confirmation! Huawei’s New Phone Unusually Uses Qualcomm Chip, No 5G Support

Huawei recently released a remarkable smartphone that does not feature a Kirin chip, but instead unusually adopts a Qualcomm chip. The device is the Enjoy 70X Vitality Edition, priced starting at 1499 yuan, with a post-subsidy price of 1274.15 yuan. After the launch, popular influencer “Yang Changshun Repairman” immediately conducted a teardown of the 256GB … Read more

Comprehensive Ban on AI Chips? NVIDIA and AMD Face U.S. Restrictions, Do We Have Domestic Alternatives?

Recently, the U.S. government has implemented the strictest chip ban in history, restricting NVIDIA’s H100, A100, and other AI chips from entering the Chinese market. This ban directly impacts the global technology industry, especially NVIDIA’s performance, as the Chinese market represents a significant “cake” for NVIDIA. In response to this predicament, NVIDIA, showing both wisdom … Read more

Localization of Analog Chips: A Hard Battle We Must Fight

Hello everyone, today let’s talk about the localization of analog chips: a hard battle we must fight! To put it simply, chips are like the rice we eat every day, with foreign brands dominating the market, and our own production is still insufficient. Especially for analog chips, which are the “electronic staple food”; without them, … Read more