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Screening-current-induced magnetic fields and strains in a compact REBCO coil in self field and background field

Superconductivity 2024年第1期9卷 35-49页

作者： Yufan Yan Donghui Jiang Peng Song Jeonghwan Park Seungyong Hahn yunfei tan Timing Qu Department of Electrical and Computer Engineering Seoul National UniversitySeoul 08826Republic of Korea State Key Laboratory of Clean and Efficient Turbomachinery Power Equipment Department of Mechanical EngineeringTsinghua UniversityBeijing 100084China High Magnetic Field Laboratory Hefei Institutes of Physical ScienceChinese Academy of SciencesHefei 230031China Wuhan National High Magnetic Field Center Huazhong University of Science and TechnologyWuhan 430074China

REBa_(2)Cu_(3)O_(7−x)(REBCO)coated conductors,owing to its high tensile strength and current‐carrying ability in a background field,are widely regarded a promising candidate in high‐field *** the great potentials,recent studies have highlighted the challenges posed by screening currents,which are featured by a highly nonuniform current distribution in the superconducting *** this paper,we report a comprehensive study on the behaviors of screening currents in a compact REBCO coil,specifically the screeningcurrent‐induced magnetic fields and *** were carried out in the self‐generated magnetic field and a background field,*** the self‐field condition,the full hysteresis of the magnetic field was obtained by applying current sweeps with repeatedly reversed polarity,as the nominal center field reached 9.17 T with a maximum peak current of 350 *** a background field of 23.15 T,the insert coil generated a center field of 4.17 T with an applied current of 170 ***,a total center field of 32.58 T was achieved before *** the sequential model and the coupled model considering the perpendicular field modification due to conductor deformation are *** comparative study shows that,for this coil,the electromagnetic–mechanical coupling plays a trivial role in self‐field conditions up to 9 *** contrast,with a high axial field dominated by the background field,the coupling effect has a stronger influence on the predicted current and strain *** discussions regarding the role of background field on the strains in the insert suggest potential design strategies to maximize the total center field.

关键词： Electromagnetic-mechanical analysis High‐field insert coil REBCO coated conductor Screening‐current‐induced magnetic field Screening‐current‐induced stress

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Identification of quantitative trait loci for growth traits in red swamp crayfish(Procambarus clarkii)

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Aquaculture and Fisheries 2023年第6期8卷 727-736页

作者： Junxiao Sun Cuirong Luo Bo Peng Guohui Peng yunfei tan Xufeng Bai National Key Laboratory of Crop Genetic Improvement Shuangshui ShuanglüInstituteHuazhong Agricultural UniversityWuhan430070China Hubei Hongshan Laboratory Wuhan430070China College of Fisheries Huazhong Agricultural UniversityWuhan430070China College of Life Science and Technology Huazhong Agricultural UniversityWuhan430070China Engineering Research Center of Green Development for Conventional Aquatic Biological Industry in the Yangtze River Economic Belt Ministry of EducationWuhan430070China

Genetic breeding is an important approach to improve the economic traits of aquaculture ***,the genetic basis for important economic traits of red swamp crayfish,including growth-related traits,has not yet been *** the present study,two full-sib families and two natural populations were employed to identify quantitative trait loci(QTLs)for growth-related traits of red swamp *** total,28 QTLs for five growth-related traits,including body weight,body length,carapace length,carapace width,and abdomen length,were repeatedly identified in more than two families/populations,by means of association analysis;nine of these displayed a heterosis *** phenotypic variations of the five investigated traits explained by the 28 QTLs ranged from 4.2%to 19.0%.Eight additive and three heterosis QTLs were further successfully validated using comparative analysis of favoured alleles between the small and big size crayfish groups in the natural *** conclusion,this study investigated the genetic basis of growth-related traits in red swamp crayfish,which is of great significance for their application in the future molecular breeding of the species.

关键词： Red swamp crayfish(Procambarus clarkii) Growth-related traits Simple sequence repeats Association analysis Quantitative trait loci

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CLAWS CELEBRE

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The World of Chinese 2019年第4期 72-73页

作者： tan yunfei 不详

Last July, 100,000 cooked crayfish from Hubei province boarded the Sino-Euro Railway and landed in Russia for the 2018 World Cup--baffling foreign media, but exhilarating Chinese spectators for whom this summer treat ... 详细信息

关键词： CLAWS CELEBRE Last July crayfish

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FRUIT OF THE SOUTH

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The World of Chinese 2021年第1期 72-73页

作者： tan yunfei 不详

A steed raising red dust won the fair mistress’ smiles/But few knew how many steeds died bringing her lychees from the south," wrote the poet Du Mu(杜牧) in the tang dynasty (618-907),satirizing Emperor Xuanzong’s r... 详细信息

关键词： favorite bringing raising

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FRAUDSTERS ARE EXPLOITING BUREAUCRATIC INERTIA OVER ID FRAUD

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The World of Chinese 2019年第3期 6-7页

作者： tan yunfei 不详

For nearly four years, a man wanted for murdering his mother evaded police with a series of' false identities. The capture of 24-year-old Wu Xieyu at a Chongqing airport in April, with over 30 national ID cards in his possession, has once more drawn attention to the thriving illegal market in fake identities-and the bureaucracy than enables it.

关键词： man police cards

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FANNING THE FLAMES

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The World of Chinese 2020年第3期 88-90页

作者： tan yunfei 不详

On February 24,fans of singer and actor Xiao Zhan stumbled across a racy novella on fanfiction site Archive of Our Own(AO3),featuring their idol as a crossdressing prostitute.

关键词： cross dressing featuring

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A summer dessert that's a“life-saver”for Hainan residents

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The World of Chinese 2021年第4期 70-71页

作者： tan yunfei 不详

Coconut milk,ice,and everything nice:Qing bu liang,a customizable dessert from the tropical Hainan province,lives up to its name—"refreshing,nourishing,cool."Throw in fruits,cereals,and any other delicacy in the kitc... 详细信息

关键词： custom Hainan lives

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COOL BEANS

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The World of Chinese 2020年第4期 74-75页

作者： tan yunfei 不详

A starchy snack that relieves the heat of summer凉粉:炎炎夏日的解暑佳品"Sour,salty,spicy,aromatic!More refreshing than ice!A bowl of it would bring you to heaven(酸,咸,麻辣香,解暑胜冰凉,若能吃一碗,犹如进天堂)!"This ch... 详细信息

关键词： starch COOL 凉粉

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Ricec Cispy

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The World of Chinese 2018年第6期 84-85页

作者： tan yunfei 不详

Rural children born in China during the 1970s and 80s can perhaps recall standing at grandma's elbow as she cooked steaming rice over firewood, hoping she'll let them scrape the pot if they behaved--a childhood tradit... 详细信息

关键词： Rural children steaming rice similar

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SAUSAGE FEST

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The World of Chinese 2021年第2期 68-69页

作者： tan yunfei 不详

“My parents sent me a whole lamb,” a Shanghai resident surnamed Peng boasted to news site K News in February, displaying the well-marbled gift her family mailed her from Shandong province ahead of Chinese New Year. With millions of Chinese choosing not to return home due to a sudden surge of new Covid-19 cases, packages of homemade food became an essential cure for homesickness during the family holiday.

关键词： return Shandong ahead

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