Results 1 to 10 of about 1,070 (119)
Guangtongxin yanjiu, 2014 以某海峡铺设的110kV XLPE（交联聚乙烯）光电复合海底电缆的故障类型检测为目标,提出了一种利用海缆中复合的光纤检测其故障类型的方法。该方法首先使用IEC标准、PSCAD（电力系统计算机辅助设计）软件和ANSYS有限元仿真软件对不同故障时海缆温度进行计算及仿真;然后在不同故障情况下从这类海缆的温度数据中提取出光纤温度数据,分析不同故障时光纤温度变化情况,推导出光纤温度变化与海缆故障类型的关系;最后分析故障点位置不同对光纤温度变化的影响。分析结果表明,该方法可以成功检测出海缆故障类型 ...
宋士刚 +3 more
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Effect of Ozone Gas Combined with Perforated Modified Atmosphere Packaging on Quality and Antioxidant Capacity of Chinese Bayberry [PDF]
, 2023 The aim of this study was to evaluate the combined effect of gaseous ozone (OG) and perforated modified atmosphere packaging (MAP) on the preservation of Chinese bayberry.
LEI Tingting, YIN Cheng, SUN Zhiyan, QIAN Jing
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Effect of Exogenous Nitric Oxide on Postharvest Storage Quality of Hyacinth Bean [PDF]
, 2023 In order to study the effect of nitric oxide (NO) on the storage quality of hyacinth bean after harvest, sodium nitroprusside (SNP) was used as an exogenous NO donor in this study. Hyacinth bean was soaked in 0.2 mmol/L SNP solution or distilled water as
HAN Lichun, HE Xuelian, ZHENG Yanyan, ZUO Jinhua, WANG Qing, WANG Zhengrong
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Erstellung eines Anlagenkonzeptes zur Behandlung von Dichlormethan enthaltenen organischen Abgasen über Sorption mit hypervernetztem Harz [PDF]
, 2022 Die Freisetzung von leichtflüchtigen organischen Kohlenstoffverbindungen (VOCs) und deren Bedeutung als Vorläufersubstanzen zur Bildung von Feinstaub und Ozon sind vor allem in den Ballungs- und Industriegebieten Chinas ein großes Problem.
Dong, Ziqi
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Antioxidant and Perservation Effect of Aromatic Hydrosol and Its Application in Fresh-Cut Agaricus bisporus (Lange) Sing. Preservation [PDF]
, 2023 Polyphenol oxidase (PPO) is one of the most important factors affecting the browning of fresh-cut fruit and vegetable products. In this research, the effect of aromatic hydrosol on the activity of PPO and its biological antioxidant effect were studied ...
WU Kegang, HUANG Yuqiang, YU Bingying, CUI Zhengxiang, DUAN Xuejuan, CHAI Xianghua, ZHANG Zhihui, ZHENG Pengfei
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Zhejiang Daxue xuebao. Lixue ban, 2004 研究了聚乙二醇二丙烯酸酯(PEGDA)作为预聚物，三羟甲基丙烷三丙烯酸酯(TMPTA)为交联剂，紫外光引发交联聚合，实现对脂肪酶固定化的方法.结果表明所制备的固定化酶与游离酶相比催化活性提高了8倍以上，且其穗定性及对环境的适应性也大大提高，在95%的乙醇中浸泡5 d后，其催化活力仍有96%之多.
WANGYan-fang(王艳芳) +2 more
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Gaoya dianqi, 2021 随着城市电网的快速发展,长距离、大容量超高压交联聚乙烯(XLPE)电缆得到了广泛应用。交流耐压试验是交联聚乙烯电缆交接及预防性试验中的常规必备项目。文中针对某电缆线路工程中的500 kV交流交联聚乙烯电缆现场试验要求,选取了典型串联谐振试验用电抗器作为研究对象,开展了满负荷情况下的电—热—流耦合仿真计算,以校验电抗器的设计是否能够满足现场试验要求。仿真结果表明试验电抗器的热点最高温度出现在绕组的第一线饼内层处,温度为63.83℃,油流均温为55.7℃,顶层油温为61.5℃,绕组均温为60.18 ...
朱璐 +5 more
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Regulation of 1-MCP Pre-treatment on Refrigeration Quality of Kiwifruit under Vibration Stress [PDF]
Vibration stress is one of the main causes of postharvest loss of kiwifruit. In this study, the effects of vibration stress on the quality of kiwifruit during refrigeration (temperature 4±0.5 ℃, relative humidity 90%~95%, refrigeration time 40 d) were ...
Guangting DENG +5 more
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Effects of the Plant Growth Regulator Methyl Jasmonate on Fruit Quality and Lipoxygenase Metabolic Pathway of Cabernet Gernischt [PDF]
In this study, the optimal concentrations of methyl jasmonate (MeJA) and methyl dihydrojasmonate (MDJA) for Cabernet Gernischt were selected based on basic physicochemical properties of grapes.
YE Nan, ZHANG Zhen, LÜ Zhuanzhuan, DU Jianming, ZHANG Shengxiang, LI Wei
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, 2013 简述了绝缘导体载流量及影响绝缘导体载流量的几个因素,结合工程实际,将常见的几种绝缘导线、电缆敷设方式归类到国家标准的参考敷设方式中,为查询绝缘导线、电缆在不同敷设方式情况下的载流量提供参考。结合国标gb50054—2011有关查询绝缘导线、电缆载流量的规定,提出了学习和应用国家标准gb/T16895.6 ...
任耀辉
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