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Estimation Method of Boiler Minimum Combustion Stable Load Rate of Coal-Fired Power Plant [PDF]
, 2023 [Introduction] Before the project implementation, it is required to pre-evaluate the degree of flexible operation of coal-fired power plants, including the prediction of the technical index of boiler minimum combustion stable load rate.
Peiqiang HUO, Xiaoru FAN
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, 2023 大容量试验是检验电力装备性能，保障装备安全可靠运行的重要环节。现有的大容量试验回路主要依靠人工操作，存在流程复杂、效率低且易出错的问题。针对大容量试验回路智能化控制的难题，研究建立了冲击发电机单电机短路模型和双电机并联短路模型，分析了发电机短路特性，结合典型大容量试验回路设计了一键顺控方案，提出试验回路一键顺控操作流程。通过对发电机短路模型和大容量试验回路系统的仿真 ...
吴益飞 +7 more
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Journal of Traumatic Stress, Volume 36, Issue 5, Page 835-848, October 2023., 2023 Abstract This study is an update of the meta‐analysis we published in 2019 on the effectiveness of body‐ and movement‐oriented interventions (BMOIs) for adults with posttraumatic stress disorder (PTSD) in decreasing PTSD symptoms and secondary outcomes of depressive symptoms, sleep disturbance, and interoceptive awareness.
Minke M. van de Kamp +6 more
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Journal of Diabetes, Volume 15, Issue 1, Page 58-70, January 2023., 2023 Highlights Sodium/glucose cotransporter‐2 inhibitors (SGLT‐2i) showed an important renoprotective effect on sustained administration, regardless of the presence of diabetes, the baseline estimated glomerular filtration rate (eGFR) and different types of SGLT‐2i. There was an acute decline of eGFR in the initial administration (4.02 ml/min/1.73 m2), and
Yanbei Duo +3 more
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Journal of Diabetes, Volume 14, Issue 8, Page 551-561, August 2022., 2022 Highlights This is the first randomized, single‐blind, double‐dummy, parallel controlled clinical trial collecting data on the efficacy and safety of Chinese herbal medicines compared to that of pregabalin in patients with painful diabetic neuropathy. The Xiaoketongbi Formula is an effective treatment that can relieve pain symptoms, improve quality of ...
Qiyun Lu +12 more
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Ultrasound in Obstetrics &Gynecology, Volume 59, Issue 5, Page 576-584, May 2022., 2022 ABSTRACT Objectives Fetal aortic valvuloplasty (FAV) has become a treatment option for critical fetal aortic stenosis (AS) with the goal of preserving biventricular circulation (BVC); however, to date, it is unclear how many patients undergoing FAV achieve BVC. The aim of this systematic review and meta‐analysis was to investigate the type of postnatal
C. N. Vorisek +5 more
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Ultrasound in Obstetrics &Gynecology, Volume 58, Issue 4, Page 582-589, October 2021., 2021 Abstract Objective A trial comparing prenatal with postnatal open spina bifida (OSB) repair established that prenatal surgery was associated with better postnatal outcome. However, in the trial, fetal surgery was carried out through hysterotomy. Minimally invasive approaches are being developed to mitigate the risks of open maternal–fetal surgery.
D. A. Lapa +9 more
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Journal of Advanced Nursing, Volume 77, Issue 1, Page 23-46, January 2021., 2021 Abstract Aim To identify, evaluate and summarize evidence from qualitative, quantitative and mixed method studies conducted using age suits or other age simulation equipment, with health and social care students. Design Convergent segregated mixed method review design as outlined by the Johanna Briggs Institute.
Charlotte Eost‐Telling +3 more
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Material and Energy Conversion of Integrated 100,t/a-Scale Bio-Jet Fuel-Range Hydrocarbon Production System via Aqueous Conversion of Biomass [PDF]
, 2017 以农业废弃物生物质为原料，利用水相转化技术，进行了百吨/年规模生物航油类烃(C8~C15)合成试运行.过程中采用两步酸解法分别将玉米秸秆中半纤维素和纤维素转化为糠醛和乙酰丙酸，作为生物质基平台化合物.在碱性条件下糠醛与乙酰丙酸经Aldol缩合反应实现碳链增长，生成的长链含氧中间体经过低温预加氢、高温加氢脱氧及精制，生成C8~C15范围内液态烃，可作为生物航油组分.以试运行实验结果为基础，进行了过程的物质与能量转化分析.结果表明，该路线获得液态烃类的基本性质满足合成航油ASTM-7566标准要求 ...
刘琪英 +8 more
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500kV直流断路器快速机械开关典型故障特性及可靠性提升方法研究 [PDF]
, 2023 直流断路器是构建柔性直流电网不可或缺的关键设备。快速机械开关是直流断路器中承载电流、实现快速分合闸、耐受分闸恢复电压的核心组件，其结构复杂、动作速度快、电气应力严酷、可靠性要求高，因而设计研制难度大，任一环节出现问题均会影响直流断路器乃至柔直电网的安全可靠运行。然而，目前快速机械开关由于存在设计选型不合理、工艺管控不严格、试验考核不完善等问题，导致在实际工程应用中故障率较高。针对已应用于张北柔性直流电网试验示范工程的500 kV直流断路器，分析了直流断路器研制、调试 ...
张涛 +4 more
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