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Journal of Wuhan University of Technology(Materials Science) 2024年第5期39卷 1294-1302页

作者： XIANG Shuo LU Peng zhang qinhui XIAO Bowen YANG Xin zhang Peili MA Pengfei HE Yan LI Xuebin Army Logistics Academy of PLA Chongqing 401311China Naval Aeronautical University Yantai 2640003China Unit 32568 Shaoguan 512131China

Fluorographene(FG)with narrow lateral size and thickness distributions was prepared by a liquid-phase exfoliation method,based on liquid cascade *** Rtec MFT-5000 tribo-meter was used to investigate the lubricating performance of bentonite grease enhanced by the as-prepared *** results showed that the coefficient of friction and the wear volume of bentonite grease with 0.3 wt%FG were decreased by 20.4%and 44.9%,respectively,as compared to those of the base *** main reason is that FG can promote the formation of the tribo-chemical reaction film consisting of complex carbon oxide,Fe_(2)O_(3)and FeF_(3)on the friction surface,which can remarkably improve the performance of friction reduction and prevent the appearance of severe wear.

关键词： fluorographene liquid-phase exfoliation bentonite grease lubrication performance

Within-and between-population variations in seed and seedling traits of Juglans mandshurica

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Journal of Forestry Research 2022年第4期33卷 1175-1186页

作者： qinhui zhang Shihe Yu Xiaona Pei Qianchun Wang Aijun Lu Ying Cao Mulualem Tigabu Jian Feng Xiyang Zhao State Key Laboratory of Tree Genetics and Breeding Northeast Forestry UniversityHarbin 150040People’s Republic of China Liaoning Academy of Forest Science Shenyang 110032People’s Republic of China State Administration of Forestry and Grassland Harbin Research Institute of Forestry MachineryHarbin 150086People’s Republic of China Research Center of Cold Temperate Forestry CAFHarbin 150086People’s Republic of China Forestry Development and Service Center of Liaoning Shenyang 110032People’s Republic of China Southern Swedish Forest Research Centre Swedish University of Agricultural SciencesPO Box 4923053 AlnarpSweden

In order to quantify within-and between-population variation in seed and seedling traits of Juglans mandshurica and reveal the relationship among genetic and environmental variations and select elite families,samples of 50 *** families from five natural populations in Liaoning Province,northeast China,were taken to measure seed and seedling *** results show that all seed traits varied significantly among families within the population,but only kernel weight and kernel rate showed significant variations among *** values of single seed weight,length,width,lateral diameter,and average size,and kernel weight and rate were 10.1 g,43.0 mm,29.2 mm,28.1 mm,33.4 mm,and 2.2 g and 22.5%,*** variations were observed in seedling height and root collar diameter among families and interaction between families and blocks,but the block effects on height and root collar diameter were *** values of height and root collar diameter were 94.0 cm and 8.7 mm,*** heritability of traits ranged from 0.6 gm(kernel weight)to 0.9 mm(seedling height).Correlation analysis showed a strong relationship among seed traits but a weak correlation between seed and seedling *** analysis grouped the five natural populations of *** into three significant clusters with different *** general combining ability analysis showed that most traits in one family(WD11)were higher,suggesting parental traits were excellent for selecting elite parent *** the comprehensive evaluation method,five families with better seed traits and five families with better seedling traits were selected as elite materials with 10%selection *** genetic gains of these elite materials for seed weight,kernel weight,average seed size,kernel rate,seedling height,and root collar diameter were 13.1%,10.3%,4.1%,2.4%,29.7%,and 21.1%,respectively.

关键词： General combining ability Heritability Comprehensive evaluation Genetic gain

Study on the physiological indices of Pinus sibirica and Pinus koraiensis seedlings under cold stress

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Journal of Forestry Research 2019年第4期30卷 1255-1265页

作者： Fang Wang Deyang Liang Xiaona Pei qinhui zhang Peng zhang Jianqiu zhang Zhimin Lu Yuchun Yang Guifeng Liu Xiyang Zhao State Key Laboratory of Tree Genetics and Breeding Northeast Forestry UniversityHarbin 150040People's Republic of China Jilin Provincial Academy of Forestry Sciences Changchun 136000People's Republic of China

Although Pinus sibirica and Pinus koraiensis are resistant to cold or low temperatures in the cold temperate regions of the northern hemisphere,the former has a stronger cold *** has been limited to the comparison of physiological responses of the two species to cold *** this study,5-year-old seedlings of *** and *** were subjected to six temperature treatments,[20℃(control),0℃,-20℃,-40℃,-60℃,and-80℃],under different stress periods(6,12,24,and 48 h).The results showed that differences in each physiological index were significant between *** and ***,except for the permeability of cell membranes,reactive oxygen species,proline and soluble *** ANOVA test indicated that there were extreme differences among the temperatures for each index,stress time and temperature 9 time for most *** indices showed a similar trend for *** and *** with decreasing temperature or the extension of stress *** sugars and proline increased at 0 to-20℃and then remained unchanged with temperature *** indices showed an increase from 20 to-20℃,stable from-20 to-40℃and a decrease from-40 to-80℃.All the indices increased and then declined along with the prolonged cold stress time,except for the *** 0 to-40℃,the permeability of cell membranes,relative conductivity,reactive oxygen species and malonaldehyde of *** seedlings were higher than in ***,but superoxide dismutase,peroxidase,catalase activity and soluble sugars,proline,and soluble proteins content emerged as *** study compared the physiological mechanism responses to cold stress between *** and *** to provide the basis for the introduction,distribution,and genetic improvement of these coniferous species.

关键词： Pinus sibirica P koraiensis Cold stress Membrane system Antioxidant enzymes

G×E Analysis of Growth Traits of Betula platyphylla Clones at Three Separated Sites in Northeastern China

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Phyton-International Journal of Experimental Botany 2022年第9期91卷 2055-2068页

作者： Yuxi Li Xinxin zhang qinhui zhang Luping Jiang Rui Han Siqi Sun Xiaoqing Hu Xiaona Pei Chunli Zhao Xiyang Zhao College of Forestry and Grassland Jilin Agricultural UniversityChangchun130118China State Key Laboratory of Tree Genetics and Breeding Northeast Forestry UniversityHarbin150040China

To select elite materials,the growth traits of 32 Betula platyphylla clones at three separated northern sites in Northeast China were investigated and *** results showed that there were significant differences among all variation sources in the different investigated traits(P<0.01).Except for the carbon contents,all the coeffi-cients of phenotypic variation of the other investigated traits were higher than 10%.The repeatability of different traits ranged from 0.760 to *** analysis showed that tree height were significantly correlated with diameter at breast height,but neither was significantly correlated with leaf traits nor element *** main effects and multiplicative interaction analysis showed that genotype,environment and genotype×environment interactions were significantly different in diameter at breast height,which indicated that environment had a significant effect on *** assessment results showed that three clones with high and stable diameters at breast height were selected,and the genetic gains of diameter at breast height on sites Maoershan,Qingan,and Yongji were 21.24%,20.58%,and 38.65%,*** results could provide a theoretical basis for elite clone selection in *** and other broad leaved species.

关键词： Betula platyphylla growth traits genetic variation AMMI stability

Variations in growth traits and wood physicochemical properties among Pinus koraiensis families in Northeast China

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Journal of Forestry Research 2022年第5期33卷 1637-1648页

作者： qinhui zhang Xiaona Pei Xianbo Lu Chunli Zhao Guangzhi Dong Wanling Shi Liankui Wang Yanlong Li Xiyang Zhao Mulualem Tigabu College of Forestry and Grassland Jilin Agricultural UniversityChangchun 130118People’s Republic of China State Key Laboratory of Tree Genetics and Breeding Northeast Forestry UniversityHarbin 150040People’s Republic of China Sanchazi Forestry Bureau of Jilin Province Baishan 134702People’s Republic of China Southern Swedish Forest Research Centre Swedish University of Agricultural SciencesPO Box 4923053 AlnarpSweden

This study aimed to explore and improve the different economic values of Pinus koraiensis(Siebold and Zucc.)by examining the variations in 6 growth traits and 9 physicochemical wood properties among 53 *** half-sib *** traits assessed included height,diameter at breast height,volume,degree of stem straight-ness,stem form,and branch number per node,while wood properties assessed included density,fiber length and width,fiber length to width ratio,and cellulose,hemicel-lulose,holocellulose,lignin,and ash *** for degree of stem straightness and branch number per node,all other traits exhibited highly significant variations(P<0.01)among *** coefficients of variation ranged from 5.3(stem form)to 66.7%(ash content),whereas,the herit-ability ranged from 0.136(degree of stem straightness)to 0.962(ash content).Significant correlations were observed among growth traits and wood physicochemical *** component analysis identified four distinct groups representing growth traits,wood chemical and physical properties,and stem form ***-trait comprehensive evaluation identified three groups of elite families based on breeding objectives,including rapid growth,improved timber production for building and furniture materials,and pulpwood *** specific families should be used to establish new plantations.

关键词： Growth and wood traits Pinus koraiensis Principal component analysis Family selection Economic benefits

Preparation of biomass-derived carbon loaded with MnO_(2) as lithium-ion battery anode for improving its reversible capacity and cycling performance

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Frontiers of Chemical Science and Engineering 2024年第1期18卷 107-120页

作者： Likai Zhu Huaping Lin Wenli zhang qinhui Wang Yefeng Zhou National&Local United Engineering Research Centre for Chemical Process Simulation and Intensification Chemical Process Simulation and Optimization Engineering Research Center of Ministry of EducationXiangtan UniversityXiangtan 411100China Guangdong Provincial Key Laboratory of Plant Resources Biorefinery School of Chemical Engineering and Light IndustryGuangdong University of TechnologyGuangzhou 510006China State Key Laboratory of Clean Energy Utilization Zhejiang UniversityHangzhou 310027China

Biomass-derived carbon materials for lithiumion batteries emerge as one of the most promising anodes from sustainable ***,improving the reversible capacity and cycling performance remains a long-standing *** combining the benefits of K2CO_(3) activation and KMnO_(4) hydrothermal treatment,this work proposes a two-step activation method to load MnO_(2) charge transfer onto biomass-derived carbon(KAC@MnO_(2)).Comprehensive analysis reveals that KAC@MnO_(2) has a micro-mesoporous coexistence structure and uniform surface distribution of MnO_(2),thus providing an improved electrochemical ***,KAC@MnO_(2) exhibits an initial chargedischarge capacity of 847.3/1813.2 mAh·g^(-1) at 0.2 A·g^(-1),which is significantly higher than that of direct pyrolysis carbon and K2CO_(3) activated carbon,***,the KAC@MnO_(2) maintains a reversible capacity of 652.6 mAh·g^(-1) after 100 *** at a high current density of 1.0 A·g^(-1),KAC@MnO_(2) still exhibits excellent long-term cycling stability and maintains a stable reversible capacity of 306.7 mAh·g^(-1) after 500 *** with reported biochar anode materials,the KAC@MnO_(2) prepared in this work shows superior reversible capacity and cycling ***,the Li+insertion and de-insertion mechanisms are verified by ex situ X-ray diffraction analysis during the chargedischarge process,helping us better understand the energy storage mechanism of KAC@MnO_(2).

关键词： biomass-derived carbon MnO_(2) lithium-ion batteries anode material high reversible capacity

Genetic Improvement in Juglans mandshurica and Its Uses in China:Current Status and Future Prospects

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Phyton-International Journal of Experimental Botany 2022年第3期91卷 489-505页

作者： Shikai zhang Wang Zhan Heng zhang Shuanglin Song Xibin Qu Jiayi Wang Mulualem Tigabu Xiang Li qinhui zhang Minghui Zhao Huanzhen Liu Xiyang Zhao College of Forestry and Grassland Jilin Agricultural UniversityChangchun130118China State Key Laboratory of Tree Genetics and Breeding School of ForestryNortheast Forestry UniversityHarbin150040China Baishishan Forestry Bureau Jiaohe132500China Southern Swedish Forest Research Centre Swedish University of Agricultural SciencesAlnarpSE-23053Sweden

Juglans mandshurica is an economically and ecologically valuable species that is used for various construction purposes,making luxurious furniture,as food and sources of medicinal substances and landscaping because of its excellent wood,edible fruits and rich in various types of chemical *** the past few decades,several genetic improvements of *** were made,with a focus on the selection of improved varieties and on breeding *** elite provenances and families were selected based on growth traits or wood *** recent years,with the increasing demand for high-quality seedlings in Chinese forestry production,the breeding goals of genetic improvement for *** were redefined to include other traits,such as fruit yield and contents of medicinal ***,the improvement processes were still slow due to the long breeding cycle and the limited use of advanced breeding technologies,resulting in the selection of fewer improved *** this review,we summarized the research progresses on genetic improvements of *** and other related works,and discussed research gaps and suggested future directions for genetic improvement of the *** review provides valuable insight for the selection of improved varieties and production of excellent germplasms.

关键词： Juglans mandshurica breeding advances genetic improvement improved variety

Recent Advances in the Electrochemical Defluorinative Transformations of C-F Bonds

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Chinese Journal of Chemistry 2024年第16期42卷 1913-1928页

作者： qinhui Wan Rui-Xue Liu Zhongyi zhang Xia-Die Wu Zhong-Wei Hou Lei Wang Advanced Research Institute and Schoolof Pharmaceutical Sciences Taizhou UniversityJiaojiangZhejiang 318000China Department of Chemistry Southern University of Science and TechnologyhenzhenGuangdong 518055China College of Material Chemistry and Chemical Engineering Key Laboratory of Organosilicon Chemistry and Material Technology Ministryof EducationHangzhou Normal UniversityHangzhouZhejiang 311121China

Organic fluorine compounds are ubiquitous and pivotally important organic molecules,yet their activation and transformation have long been a formidable challenge due to the high energy and low reactivity of C-F *** electrosynthesis,an environmentally benign synthetic method in organic chemistry,enables a myriad of chemical transformations without the need for external redox *** recent years,organic electrochemistry has emerged as a powerful tool for achieving the activation and transformation of C-F bonds in fluorine-containing *** review aims to succinctly recapitulate the latest advancements in the electrochemical defluorinative transformations of C-F bonds and to delve into the reaction design,mechanistic insights,and developmental prospects ofthese methods.

关键词： Organic electrochemistry Electroreduction Defluorination C-F bond activation Organic fluorine compounds

Genetic Improvement of Betula platyphylla *** China:A Review

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Phyton-International Journal of Experimental Botany 2022年第8期91卷 1585-1599页

作者： qinhui zhang Xiaona Pei Lianfeng Xu Xianbo Lu Baoyang Wen Yanlong Li Liankui Wang Guangzhi Dong Wanling Shi Xiaoqing Hu Xiyang Zhao College of Forestry and Grassland Jilin Agricultural UniversityChangchun130118China State Key Laboratory of Tree Genetics and Breeding Northeast Forestry UniversityHarbin150040China Qiqihar Institute of Heilongjiang Academy of Forestry Qiqihar161021China Sanchazi Forestry Bureau of Jilin Province Baishan134600China

Birch(Betula platyphylla Suk.),distributed in Eurasia,North America,and Australia,is a kind of cold-resistant,fast-growing,and vital pulpwood tree *** is also one of the most important ecological restoration tree species with high values of economic benefits in Northeast *** improve the genetic gain and expand the economic benefit of ***,many genetic improvements have been carried *** China,*** is widely distributed and varied,and there are many varieties with excellent genetic *** this paper,the genetic improvement of *** was reviewed,and the previous research results were discussed from two aspects:conventional breeding and molecular *** problems and corresponding solutions in the genetic improvement were put forward to provide ideas for *** breeding in the future.

关键词： Betula platyphylla conventional breeding molecular breeding genetic improvement

共掺Ce对Nd，Eu：ZnWO4激光晶体的敏化作用

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中国激光 2008年第4期35卷 605-609页

作者：张钦辉刘波徐玉恒哈尔滨理工大学化学与环境工程学院黑龙江哈尔滨150080 哈尔滨工业大学应用化学系黑龙江哈尔滨150001

为了研究共掺Ce对Nd,Eu∶ZnWO4激光晶体的敏化作用,采用提拉法生长了无宏观缺陷的一系列Nd∶ZnWO4,Ce∶ZnWO4,Eu∶ZnWO4,Ce∶Nd∶ZnWO4和Ce∶Eu∶ZnWO4晶体,并进行了X射线衍射(XRD)、吸收光谱和荧光光谱的测试.测试结果表明,在ZnWO4晶体... 详细信息

为了研究共掺Ce对Nd,Eu∶ZnWO4激光晶体的敏化作用,采用提拉法生长了无宏观缺陷的一系列Nd∶ZnWO4,Ce∶ZnWO4,Eu∶ZnWO4,Ce∶Nd∶ZnWO4和Ce∶Eu∶ZnWO4晶体,并进行了X射线衍射(XRD)、吸收光谱和荧光光谱的测试.测试结果表明,在ZnWO4晶体中Ce3+离子在324 nm附近有很强的吸收,可以有效地吸收抽运能量;Ce3+离子与Nd3+离子和Eu3+离子间存在明显的能量转移,使Nd3+离子在474 nm,572 nm的上转换荧光以及Eu3+离子在613 nm处的荧光强度明显增强,并提出了敏化机制和能量转移过程.结果说明,共掺Ce对Nd,Eu∶ZnWO4激光晶体有较好的敏化作用,有助于提高激光晶体的发光强度.

关键词：材料敏化作用激光晶体能量转移