Li Sun, Fanjun Zeng, Hongbo Liu, Chenglian Ma^*, Qiting Zhang, Jingzhou Zhu

Energy Engineering, Vol.123, No.9, 2026, DOI:10.32604/ee.2025.073405 - 06 August 2026

Abstract The widespread integration of large-scale wind power has resulted in decreased equivalent inertia in power systems, thereby compromising their frequency regulation (FR) capabilities. Conventional synthetic inertia control faces challenges under stochastic wind conditions, including inadequate utilization of rotor kinetic energy in high wind condition regions and the risk of triggering rotor speed stability limits in low wind condition regions. To overcome these limitations, in this paper, a parameter adaptive synthetic virtual inertial control (SVIC) framework based on wind speed partition is proposed. The control mechanisms are designed differently across partitioned wind condition intervals: in high-wind-speed More >

Qiang Liu¹, Yongqiang Zhou¹, Chaoyang Lu², Zhen Yan¹, Gangui Yan², Cheng Yang^2,*, Yupeng Wang²

Energy Engineering, Vol.123, No.9, 2026, DOI:10.32604/ee.2025.073028 - 06 August 2026

Abstract The increasing proportion of power generated by new energy has meant that grid-forming energy storage has become a key method for improving power grid flexibility. However, the small disturbance stability problem has become an important challenge. The issue is that grid-forming energy storage is prone to low-frequency oscillation under strong grid conditions. Therefore, this study proposes a multi damping torque model to analyze the small signal stability of grid-forming energy storage converters. The impact of grid strength, operating conditions, and control parameters on the damping characteristics of the low-frequency oscillation by the system was quantitatively More >

Yujie Yan^1,2, Na An², Yanling Wang^1,*, Xiongwei Liu², Cheng Ji², Shu Jiang³

Energy Engineering, Vol.123, No.9, 2026, DOI:10.32604/ee.2025.070608 - 06 August 2026

Abstract Hydraulic fracturing technology is regarded as the most prevalent and effective means for unlocking tight natural fractured sandstone reservoirs and understanding the fracture and pre-existing natural fracture interaction is critical in the hydraulic fracturing design. Based on the global cohesive element model, the geological and engineering parameters were compared to explore the stimulation effectiveness. Numerical simulations demonstrate that when hydraulic fractures encounter natural fractures, various phenomena such as sliding, termination, and crossing occur, demonstrating the complex mechanical interaction. As the joint fracture energy (JFE) increases, a decrease in the total length and width of the… More >

BIOCELL, Vol.50, Suppl.4, pp. 1-36, 2026

Abstract This article has no abstract. More >

BIOCELL, Vol.50, Suppl.3, pp. 1-31, 2026

Abstract This article has no abstract. More >

Yi Shen^1,2,3,#, Zeye Liu^4,#, Jing Xie^5,#, Xuanqi An^6,7,8,#, Zeyu Jing^1,2,3, Wenchuan Liao^1,2,3, Yifan Zhu^1,2,3, Chenyu Jiang^1,2,3, Xingliang Zhou^1,2,3, Xu Huang^1,2,3, Tianyu Liu^1,2,3, Jian Liu^1,2,3, Yuxi Ji^1,2,3, Yi Yan^1,3, Bei Feng^1,3, Yiwei Liu^1,2,3, Yi Shi^4,*, Yanjun Sun^2,*, Hao Zhang^1,2,3,*

Structural and Congenital Heart Disease, Vol.21, No.3, 2026, DOI:10.32604/schd.2026.085942 - 31 July 2026

Abstract Background: Congenital heart disease (CHD) is the most common congenital anomaly worldwide, yet the contribution of environmental factors to its global geographic variation remains incompletely understood. We aimed to systematically identify environmental factors associated with CHD incidence using an integrated framework combining machine learning and spatial epidemiology. Methods: Country-level data were obtained from the Global Burden of Disease (GBD) 2021 study. Boruta algorithm-based feature selection and random forest SHAP value ranking were applied to identify environmental factors associated with CHD incidence. Negative binomial regression was used to evaluate the associations between selected variables and CHD incidence.… More >

Whitnee Hogan^1,2,*, Thomas S. Przybycien^3,4, Anita J. Moon-Grady^3,4

Structural and Congenital Heart Disease, Vol.21, No.3, 2026, DOI:10.32604/schd.2026.085038 - 31 July 2026

Abstract Improvements in fetal cardiac imaging have highlighted the need for large, multidisciplinary collaborations to further advance fetal cardiovascular care. The Fetal Cardiac Intervention Registry (IFCIR), established in 2011, aims to improve outcomes in fetuses with congenital heart disease (CHD) considered amenable to fetal cardiac intervention (FCI). The registry compiles data from multiple international centers to better define indications, selection criteria, procedural techniques, complications, and outcomes of FCI. The Fetal Heart Society (FHS), founded in 2014, is a non-profit organization dedicated to advancing the understanding of in utero cardiovascular physiology through collaborative research, education and mentorship. The… More >

Shilpa Aryal^1,*, Marhisham Che Mood², Sivakumar Sivalingam², Boekhren Karyostyko², Yusoff Ramdzan², Haifa Abdul Latiff², Ming Chern Leong²

Structural and Congenital Heart Disease, Vol.21, No.3, 2026, DOI:10.32604/schd.2026.083109 - 31 July 2026

Abstract Background: Double-outlet right ventricle (DORV) encompasses a spectrum of disorders characterized by both great vessels arising from the right ventricle. This study compared the diagnostic accuracy of multislice computed tomography (MSCT) and transthoracic echocardiography (TTE) in predicting the optimal surgical strategy by evaluating the concordance between preoperative imaging-based decisions and intraoperative findings. Methods: This single-center, retrospective study included 112 patients with DORV (56 MSCT + TTE and 56 TTE only) who underwent surgical correction between January 2010 and December 2024. Agreement between preoperative and intraoperative surgical decisions was assessed by weighted kappa (κ). Diagnostic accuracy was… More >

Anusha Konduri^1,*, Toni Duganiero², Lauren Smyth², Shahnawaz Amdani³, Angela Lorts², Sabrina Law⁴, Jacqueline Lamour⁵, Deipanjan Nandi⁶, Aryaz Sheybani⁷, Sarah Wilkens⁸, Thomas Young⁹, Mark Bleiweis¹⁰, Jennifer Conway¹¹

Structural and Congenital Heart Disease, Vol.21, No.3, 2026, DOI:10.32604/schd.2026.082288 - 31 July 2026

Abstract Pediatric heart failure is associated with substantial morbidity, mortality, and health care utilization across diverse diagnoses and care settings. Despite major advances in surgical and medical care, evidence-based management of heart failure in the pediatric population, especially with congenital heart disease (CHD), remains limited due to a small patient population, marked anatomic and physiologic heterogeneity, and barriers to conducting traditional randomized clinical trials. Clinical registries have provided important insights into pediatric heart failure, and the increasing complexity of these populations has underscored the value of learning health system approaches to data generation and improvement. The… More >

Luciane Alves da Rocha Amorim¹, Edward Araujo Júnior^2,3,*

Structural and Congenital Heart Disease, Vol.21, No.3, 2026, DOI:10.32604/schd.2026.080881 - 31 July 2026

Abstract The diagnosis of congenital heart disease (CHD) brings profound uncertainty and emotional distress to families, yet the spiritual dimension of this experience is often overlooked in routine counseling. Based on a narrative review of the literature and our group’s prior scoping work, this commentary proposes a practical, ethically grounded framework for integrating spiritual awareness into fetal and pediatric CHD counseling. We distinguish spirituality from related constructs, religiosity, coping, resilience, and cultural values, and discuss both its potential benefits (e.g., fostering resilience, supporting decision-making) and risks (e.g., spiritual distress, fatalism, conflict with medical recommendations). Practical guidance… More >