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数据驱动的高比例新能源发电集群分布式电压控制 [PDF]

open access: yes全球能源互联网, 2022
大规模分布式新能源发电接入引起的电压越限和网损升高问题给主动配电网的安全稳定运行造成了巨大挑战。特别是中低压配电网中的新能源发电集群模型参数精确性有限,将影响传统基于模型的配电网电压控制方法效果。为此,提出了一种基于数据驱动的高比例新能源发电集群分布式电压控制方法。首先,基于集群海量运行数据采集,通过Koopman方法对非线性潮流方程进行高维线性等值,获取不依赖于集群模型参数的高精度无功-电压灵敏度数值。随后,基于数据驱动获取的灵敏度修正分布式次梯度迭代方向 ...
钟成元   +6 more
doaj   +1 more source

电力系统转型阶段评估模型研究——以安徽省为例 [PDF]

open access: yes全球能源互联网, 2021
随着能源转型战略深入推进以及构建清洁高效、安全可持续的现代能源体系的提出,省级电力系统迫切需要结合区域能源环境特点,甄别电力系统转型的主要问题和矛盾,因地制宜提出适应性的发展阶段。结合安徽省电力系统转型现存的关键问题,构建了稳健发展、煤炭过渡和社区能源3个电力发展阶段。构建了电力系统转型阶段评估模型(PAM-PST,phases assessment model for power system transition),评估电力系统转型阶段并选取标杆阶段,挖掘省级电力系统转型的关键着力点。最后 ...
朱刘柱   +6 more
doaj   +1 more source

Investigation on the incidence of adverse reactions of subcutaneous anticoagulant injection and its influencing factors (抗凝剂皮下注射不良反应发生率现况调查及其影响因素研究)

open access: yes中西医结合护理, 2021
Objective To investigate the incidence and influencing factors of adverse reactions of injection site after subcutaneous anticoagulant injection under the guidance of evidence-based nursingMethods Using the convenient sampling method, 608 patients with ...
DAI Lili (代莉莉)   +5 more
doaj   +1 more source

Effect of optimizing the nursing process of green channel on time course of intravenous thrombolysis for acute ischemic stroke (优化绿色通道护理流程对急诊缺血性脑卒中静脉溶栓时间节点的影响)

open access: yes中西医结合护理, 2022
Objective To investigate the effect of optimizing the nursing process of green channel on time course of intravenous thrombolysis for acute ischemic stroke (AIS).
PENG Hong (彭红)   +3 more
doaj   +1 more source

Effects of Tea Polyphenols on Physicochemical, Antioxidant and Antibacterial Properties of Pullulan-Gelatin Films(茶多酚对普鲁兰-明胶膜理化及抗氧化、抗菌性能的影响) [PDF]

open access: yesShipin kexue jishu xuebao, 2022
Tea polyphenols have been widely used in the food field due to their excellent antioxidant and antibacterial properties. By preparing tea polyphenols-pullulan-gelatin composite bioactive films, the effects of the mass fraction of tea polyphenols (0%, 2%,
WANG Qianting(王倩婷)   +6 more
doaj   +1 more source

Effect of Processing Technologies on Maillard Reaction of Chicken Crisp Floss During Manufacturing Process(加工工艺对鸡酥松生产过程中美拉德反应的影响) [PDF]

open access: yesShipin kexue jishu xuebao, 2018
Maillard reaction is a key factor to form the characteristic flavor of chicken crisp floss. To optimize the processing technology of chicken crisp floss to improve product quality, the single factor experiment and orthogonal experiment were used to ...
DU Mingrui(杜明睿)   +7 more
doaj   +1 more source

Nursing of a neonate with multiple organ dysfunction syndrome treated by blood purification (血液净化治疗新生儿多器官功能障碍1例的护理体会)

open access: yes中西医结合护理, 2022
This paper summarized the experience of nursing measures for a neonate with multiple organ dysfunction syndrome treated by continuous blood purification.
LIN Dongying (林东莹)   +4 more
doaj   +1 more source

Analysis of factors causing delays in seeking medical attention and its relationship with short-term prognosis in patient with acute ischemic stroke (急性缺血性脑卒中患者延迟就医原因与短期预后相关性分析)

open access: yes中西医结合护理, 2023
Objective To investigate the factors causing delays in seeking medical attention and its relationship with short-term prognosis in patient with acute ischemic stroke, and provide reference for the interventions on seeking timely medical attention ...
PENG Hong (彭红)   +2 more
doaj   +1 more source

Investigate of preoperative hope level and analysis of influencing factors in elderly patients with femoral neck fracture (老年股骨颈骨折患者术前希望水平及影响因素分析)

open access: yes中西医结合护理, 2023
Objective To investigate the preoperative hope level of elderly patients with femoral neck fracture and analyze its influencing factors, so as to provide a practical basis for improving the preoperative hope level of elderly patients with femoral neck ...
ZHANG Caixia (张彩侠)   +4 more
doaj   +1 more source

Effect of Process on Lipid Oxidation of Chicken Crisp Floss(加工工艺对鸡酥松脂肪氧化的影响) [PDF]

open access: yesShipin kexue jishu xuebao, 2019
To study the effect of processing technologies on lipid oxidation of chicken crisp floss, effects of cooking time, cooking temperature, and frying time on 2-thiobarbituric acid reactive substrates were investigated, and effects of frying technologies on ...
DU Mingrui(杜明睿)   +6 more
doaj   +1 more source

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