Wenjing Dong

Abstract The super τ -charm facility (STCF) is an electron–positron collider proposed by the Chinese particle physics community. It is designed to operate in a center-of-mass energy range from 2 to 7 GeV with a peak luminosity of 0.5 × 10 35 cm −2 ·s −1 or higher. The STCF will produce a data sample about a factor of 100 larger than that of the present τ -charm factory — the BEPCII, providing a unique platform for exploring the asymmetry of matter-antimatter (charge-parity violation), in-depth studies of the internal structure of hadrons and the nature of non-perturbative strong interactions, as well as searching for exotic hadrons and physics beyond the Standard Model. The STCF project in China is under development with an extensive R&D program. This document presents the physics opportunities at the STCF, describes conceptual designs of the STCF detector system, and discusses future plans for detector R&D and physics case studies.

Sea buckthorn is a botanical drug with a long history of medicinal use in treating digestive diseases. It is considered “a food with medicinal and edible homology”, meaning it has various application scenarios. Sea buckthorn is known to have numerous bioactivities, such as anti-inflammatory, flora-regulating, immunoregulating, intestinal protective, and anticancer properties, as a potential natural therapy for digestive diseases. In both in vitro and in vivo experiments, ranging from cell lines to animal models and human patients, sea buckthorn has shown beneficial effects on symptoms associated with digestive disease. This study reviews the main bioactive metabolites of sea buckthorn and discusses their pharmacological effects and mechanisms in treating digestive diseases. In particular, we highlight bioactive metabolites isolated from sea buckthorn, their effects on inflammation, cancer, anti- Helicobacter pylori , radiation, and gut microbiota, and their molecular mechanisms of action in clinical applications. This article provides insight into the benefits of sea buckthorn, encouraging academic research in this area and the expansion of sea buckthorn-based applications for digestive diseases.

Currently, artificial intelligence (AI) technology offers opportunities to address serious challenges in waste management in the fashion industry. This study systematically reviewed and analyzed literature on AI applications in textile waste management from 2014 to 2024. We aimed to review the intervention effects of AI technologies on textile waste across stages of the fashion industry lifecycle and explore AI’s role in promoting circular supply chains (CSCs). The results show that AI plays a prominent role in four key areas: Enhanced intelligent analysis of market dynamics, optimizing consumer experience-oriented durability design, collaboratively optimizing production processes and inventory management, and advancement of intelligent waste management. Convolutional neural networks are the most widely used AI technology due to their strength in image recognition. However, AI technologies also face limitations such as high data requirements. Future research should attempt to promote improvements in policies, enterprise, and technologies to unleash greater potential for AI in CSCs.

We develop a lepton–hadron model for the possible origin of hard very high energy (VHE) spectra from a distant blazar. The model includes synchrotron self-Compton (SSC) and hadronic components. The lepton components include synchrotron radiation and inverse Compton scattering of relativistic electrons. For the hadronic components, we consider proton synchrotron radiation and investigate the interaction of protons with the synchrotron emission soft photons or cosmic microwave background (CMB) photons. Upon adopting the parametrization of the observed spectrum of 1ES 1218+304, we obtain the following results: (1) the model is able to match the spectral energy distribution of 1ES 1218+304; (2) we find that in Ep≈1010∼1017eV, the π0→γ-ray process contributes the majority of the secondary photons; and (3) the interaction of protons with the low-energy photons may occur in or outside the jet.

This study provides a systematic review of the application of 3D digital technologies (3DDT) in fashion design practice. The aim is to analyze how 3DDT alters traditional design processes and its effect on sustainability within the circular fashion system (CFS), exploring its core role and offering theoretical support and practical guidance for decision-makers and stakeholders in the fashion industry. The study addresses two key questions. 1. How does 3DDT apply to change design practices processes and enhance sustainability? 2. Within the CFS, what key challenges can 3DDT address to advance sustainability? Through a review of 30 peer-reviewed studies published between 2011 and 2024, the research highlights how 3DDT facilitating the advancement of different CFS prototypes by facilitating design–production integration, diverse applications of sustainable materials, optimizing resource utilization, improving design accuracy, and enhancing communication. It demonstrates 3DDT’s unique ability to break down barriers between the barrier between abstract thinking and visualized feedback, bridging the gap between creative visions, actual production materials and techniques, and consumption realities, thus fostering collaboration and communication among participants such designers, manufacturers, and consumers. By, 3DDT enhances the sustainable effect of design practices within the CFS, providing strong technical support for sustainable design–production decision-making in the fashion industry.