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The Crop Journal 2022年第4期10卷 1006-1013页

作者： Lu Lu Hui liu Yu Wu guijun Yan UWA School of Agriculture and Environment The University of Western AustraliaPerthWA 6009Australia The UWA Institute of Agriculture The University of Western AustraliaPerthWA 6009Australia Chengdu Institute of Biology Chinese Academy of SciencesChengdu 610041SichuanChina

Wheat production is seriously influenced by extreme hot weather,which has attracted increasing *** is important to compare wheat responses to heat at seedling and reproductive stages,to explore the potential relationship between the performances at different growing stages and the possibility of early selection to accelerate heat tolerance *** this study,forty wheat genotypes were screened under heat stress at both seedling and adult *** was found that root lengths at seedling stage were severely reduced by heat stress with significant variations among wheat ***-tolerant genotypes at seedling stage showed less root length decrease than susceptible *** genotypes tolerant at seedling stage showed higher yield at adult stage after heat *** performances of wheat genotypes screened under heat stress at seedling and adult stages were ranked by seedling damage index and adult damage index.A significant positive relationship was found between heat tolerance at seedling stage and at adult stage(r=0.6930),suggesting a similar tolerant/susceptible mechanism at different plant growth stages and the possibility of early selection at seedling stage for breeding heat *** tolerant and susceptible genotypes with consistent performances at seedling and adult stages were genetically compared and associated SNP markers and linked candidate genes were identified.

关键词： Heat tolerance Seedling stage Adult stage Linear regression Genetic mechanism

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CFRP复合材料板材的耐水酸碱性能研究

西安建筑科技大学学报（自然科学版） 2024年第1期56卷 93-102页

作者：韩庆韩玮刘海波刘延峰杨超王少强咸贵军中国石油化工股份有限公司胜利油田分公司技术检测中心山东东营257000 哈尔滨工业大学土木工程学院黑龙江哈尔滨150090

腐蚀环境下碳纤维增强环氧树脂(CFRP)复合材料的性能退化是影响材料与结构安全服役的关键.为获得CFRP板材在腐蚀溶液中的耐久性能,将CFRP板材浸泡在水、酸与碱溶液中长达150 d.通过水吸收、热力学测试与微观结构分析获得CFRP板材的长期... 详细信息

腐蚀环境下碳纤维增强环氧树脂(CFRP)复合材料的性能退化是影响材料与结构安全服役的关键.为获得CFRP板材在腐蚀溶液中的耐久性能,将CFRP板材浸泡在水、酸与碱溶液中长达150 d.通过水吸收、热力学测试与微观结构分析获得CFRP板材的长期性能演化.结果表明:树脂板与CFRP板材在水、酸与碱溶液中的水吸收行为类似.在酸溶液中,树脂板与CFRP板材均获得较高的水吸收量,这是因为酸溶液促进了树脂的松弛作用,为水分子的进一步侵入提供了更多的扩散空间.此外,树脂的水解作用降低了树脂板与CFRP板材水吸收量.长期的加速老化导致CFRP板材拉伸强度退化高达29.7%,玻璃化转变温度退化高达12.4%.CFRP板材拉伸强度的退化主要由树脂的塑化与水解、纤维与树脂界面的脱粘所导致.碱溶液加速纤维与树脂界面脱粘、树脂水解,这导致碱溶液浸泡下的CFRP板材拉伸强度退化远大于水与酸溶液,其纤维与树脂界面完整性最差,纤维表面没有树脂残留.CFRP板材玻璃化转变温度的退化主要受控于树脂的塑化.酸溶液下玻璃化转变温度的退化程度远大于水与碱溶液,这是因为酸溶液下CFRP板材拥有更高的吸水率,导致树脂发生更严重的塑化作用.

关键词： CFRP复合材料腐蚀溶液性能演化树脂塑化与水解界面脱粘

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银州柴胡茎叶的发育解剖学研究

西北农业学报 2024年第5期33卷 903-909页

作者：周亚福韩桂军蔺泽涛赵思瑶刘之蕊刘予涵李勃陕西省西安植物园(陕西省植物研究所)/陕西省植物资源保护与利用工程技术研究中心西安710061 西安市第八十三中学西安710043 陕西省生物农业研究所西安710043

以伞形科柴胡属植物银州柴胡(Bupleurum yinchowense)为研究对象,采用石蜡切片结合组织透明法对银州柴胡茎和叶的结构发育进行研究,以期为柴胡属植物的分类和鉴定提供科学依据。结果显示,银州柴胡茎的发育可分为原分生组织、初生分生组... 详细信息

以伞形科柴胡属植物银州柴胡(Bupleurum yinchowense)为研究对象,采用石蜡切片结合组织透明法对银州柴胡茎和叶的结构发育进行研究,以期为柴胡属植物的分类和鉴定提供科学依据。结果显示,银州柴胡茎的发育可分为原分生组织、初生分生组织、初生生长以及次生生长4个阶段,茎尖顶端分生组织分为原套和原体;茎的初生分生组织包括原表皮、基本分生组织和原形成层,原表皮发育为表皮,基本分生组织发育为皮层、髓射线和髓,原形成层发育为维管束(由初生韧皮部、形成层和初生木质部组成);茎的初生结构包括表皮、皮层和维管柱,维管柱包括维管束、髓射线和髓;银州柴胡茎有微弱的次生生长,髓射线位置细胞的细胞壁常明显加厚。叶的发育分为原分生组织、初生分生组织和初生生长3个阶段;叶为异面叶,上下表皮由一层细胞组成,有气孔分布,为无规则型;栅栏组织由1层细胞组成,海绵组织由6~8层细胞组成;叶脉维管束为外韧维管束,其上下方均未观察到纤维分布;茎棱角的皮层、初生韧皮部、髓周围以及叶脉韧皮部均分布有分泌道;叶脉维管束木质部上方的组织中,分泌道有或无;银州柴胡茎和叶分泌道均为裂生型。结果表明,银州柴胡茎和叶的结构特点明显,有别于其他柴胡属植物,可为柴胡属药用植物的分类和鉴定提供科学依据。

关键词：银州柴胡茎叶发育解剖学分类鉴定

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不同黄瓜材料抗蚜性与部分次生代谢物及其相关酶活力的关系

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中国农学通报 2015年第19期31卷 80-86页

作者：马荣金李田田刘桂军曹辰兴山东农业大学园艺科学与工程学院/作物生物学国家重点实验室山东泰安271018 泰安市农业局山东泰安271000

为筛选具有高抗蚜性的黄瓜新品种,并为黄瓜抗蚜性鉴定提供理论依据。根据蚜量比值法,以有毛黄瓜为不抗蚜对照,无毛黄瓜为抗蚜对照,对国内外370份黄瓜种质资源进行抗蚜性筛选分级,并对筛选出的不同抗蚜等级的黄瓜材料接种蚜虫处理,研究... 详细信息

为筛选具有高抗蚜性的黄瓜新品种,并为黄瓜抗蚜性鉴定提供理论依据。根据蚜量比值法,以有毛黄瓜为不抗蚜对照,无毛黄瓜为抗蚜对照,对国内外370份黄瓜种质资源进行抗蚜性筛选分级,并对筛选出的不同抗蚜等级的黄瓜材料接种蚜虫处理,研究接种蚜虫前后叶片中黄酮、单宁、总酚含量及苯丙氨酸解氨酶(PAL)、多酚氧化酶(PPO)活力变化。筛选出抗性材料118号、中抗材料311号和227号、低抗材料321号。其中,高抗材料无毛黄瓜的黄酮含量及PAL、PPO的活力最高;抗性材料118号的单宁、总酚含量最高,PPO活力仅次于无毛黄瓜;中抗材料227号的单宁、总酚含量及PPO活力仅次于118号;中抗材料311号的黄酮、总酚含量及PAL活力较高;低抗材料321号的PAL活力仅次于无毛黄瓜;各抗蚜材料的黄酮含量及PAL和PPO的活力均高于不抗蚜对照有毛黄瓜。由此得出结论:不同黄瓜材料抗蚜性与黄酮、单宁、总酚含量及PAL、PPO活力中的一种或几种物质综合作用有密切关系。

关键词：黄瓜抗蚜次生代谢物质酶活力

Colorimetric Assay to Determine In Vitro Antibacterial Activity Against Clinical Isolates： Enhanced Activity in Damaged Chinese Masson Pine Needles

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Journal of Integrative Plant Biology 2006年第9期48卷 1034-1046页

作者： guijun Dong Weidong Pan Tao Zheng Xianghui liu Gongshe liu Key Laboratory of Photosynthesis and Environmental Molecular Physiology Institute of Botany the Chinese Academy of Sciences Beijing 100093 China Graduate University of the Chinese Academy of Sciences Beijing 100039 China Bioelectromagnetic Laboratory Institute of Electrical Engineering the Chinese Academy of Sciences Beijing China State Key Laboratory of Integrated Management of Pest Insects and Rodents Institute of Zoology the Chinese Academy of Sciences Beijing 100080 China

A colorimetric assay for antibacterial susceptibility testing of clinical isolates （Escherichia coli, Pseudomonas aeruginosa, Shigella dysenteriae, Staphylococcus aureus, Bacillus cereus, and Streptococcus pneumoniae） is described based on the reduction of a novel tetrazolium salt, 3-（4,5-dimethylthiazol-2-yl）-5-（3-carboxymethoxyphenyl）-2-（4-sulfophenyl）-2Htetrazolium （MTS）, in the presence of phenazine methosulfate （PMS） as an electron-coupling agent. The combination of 200 μg/mL MTS with 25 μmol/L PMS resulted in production of large amounts of formazan within 1 h of exposure. In this setting, fractions extracted from Chinese Masson pine （Pinus massoniana Lamb.） needles damaged by the pine caterpillar Dendrolimus punctatus Walker were found to have enhanced levels of antibacterial activity. These fractions, which were designated ＂Master＂, ＂Technique＂, and ＂Strength＂, were isolated and identified by reverse-phase C18 cartridge concentration, gel filtration, and affinity chromatography. Two fractions purified from healthy and undamaged needles were designated H1 and H2, respectively. For all test bacteria species. Technique produced the lowest minimal inhibitory concentrations （MICs）, ranging from 2 to 32 μg/mL, and H2 produced the highest values, with four of the six M ICs being higher than 128 μg/mL. We found that the Rmax model fitted the data well in that the r^2 ranged between 0.87 and 0.96 （median, 0.92） and no statistically significant deviations from the model were found （P= 0.23）. The median coefficient of variation of the log RC50 values and the slope m of the fitted model for all six strains among the replicates were 38 and 41%, respectively. In the course of the investigation, the physiological and functional factors involved in pest damage to plants were also explored. In summary, the MTS-PMS colorimetric assay has advantages over existing methods for the examination of antibacterial activity, and could be developed further such that it would be suitable

关键词： antibacterial activity clinical isolate colorimetric assay Masson pine needle tetrazolium salt

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折流板式相变储能水箱换热效果模拟分析

建设科技 2019年第22期 29-33页

作者：王金铭刘贵军苌群鹏黄凯良刘馨沈阳建筑大学市政与环境工程学院辽宁省沈阳市110168 中国建筑东北设计研究院有限公司辽宁省沈阳市110000

与传统水箱相比,相变储能水箱具有明显的蓄能优势。建立了折流板式相变储能水箱的分析模型,利用数值模拟的方法对折流板式相变储能水箱的换热效果进行了模拟分析。研究结果表明:折流板式相变储能水箱的蓄热总量比普通无相变材料的水箱高... 详细信息

与传统水箱相比,相变储能水箱具有明显的蓄能优势。建立了折流板式相变储能水箱的分析模型,利用数值模拟的方法对折流板式相变储能水箱的换热效果进行了模拟分析。研究结果表明:折流板式相变储能水箱的蓄热总量比普通无相变材料的水箱高了35.2%;蓄热阶段水箱出口温度变化较大,且随着蓄热过程的进行装置整体液相率增速逐渐减小;放热阶段入口流速为0.09 m/s时水箱出水温度被加热2K以上的时间为8400s,放热阶段是潜热放热与显热放热共同作用的结果;放热阶段入口流速在一定范围内的改变,对相变储能水箱的放热效率影响显著。

关键词：折流板式相变储能水箱数值模拟换热效果

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DP5-6000高强钢压型的适用性研究

汽车实用技术 2018年第15期44卷 187-189页

作者：张启刘贵军张含杨涛张海婧陕西重型汽车有限公司陕西西安710200

随着高强钢在重卡行业纵梁工艺中的广泛应用,大吨位模压工艺初显劣势,但既有的模压工艺在行业中的贡献比较清晰,稳定工艺和创新优化之间难以抉择。文章提供DP5-6000液压机在高强钢纵梁模压工艺中的适用性研究分析。

关键词：高强钢模压工艺成型力

Identification of KASP markers and putative genes for pre-harvest sprouting resistance in common wheat(Triticum aestivum L.)

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The Crop Journal 2023年第2期11卷 549-557页

作者： Guannan liu Daniel Mullan Aimin Zhang Hui liu Dongcheng liu guijun Yan UWA School of Agriculture and Environment and The UWA Institute of AgricultureThe University of Western AustraliaPerthWA 6009Australia InterGrain Pty.Ltd. 19 Ambitious Link Bibra LakeWA 6163Australia State Key Laboratory of North China Crop Improvement and Regulation College of AgronomyHebei Agriculture UniversityBaoding 071000HebeiChina

Common wheat(Triticum aestivum L.)is the most important crop in the world and a typical allopolyploid with a large and complex ***-harvest sprouting(PHS)leads to a significant reduction in grain quality *** is a complex trait with related QTL located on different ***,the study of markers and genes related to PHS resistance is limited especially for whitegrained *** pairs of near isogenic lines(NILs)from a white-grained wheat cross of CharaDM5637B*8 targeting a major QTL for PHS resistance(***-3A.1)on wheat chromosme 3AL were genotyped using the 90K SNP Illumina iSelect *** SNPs were identified,with a 75%-100%consistency between genotype and phenotype in the resistant or susceptible *** 10 SNPs were converted to cost-effective kompetitive allele-specific PCR(KASP)*** of 48 wheat cultivars with different phenotypes of PHS identified four KASP markers with 81.3%-85.4%conformity between genotype and *** investigation revealed that the four SNPs(BS00022245_51,Kukri_c49927_151,BS00022884_51 and BS00110550_51)corresponding to the four validated KASP markers are residing in three independent genes(TraesCS3A03G1072800,TraesCS3A03G1072400,TraesCS3A03G1071800)close to each other with a distance of 4.28-4.48 Mb to the targeted *** three annotated genes have potential functions related to PHS *** study revealed that combined use of NILs and the 90K SNP chip is a powerful approach for developing KASP markers and mining functional genes in *** KASP markers for PHS resistance on chromosome 3AL are useful for high-throughput evaluation and marker-assisted selection,and the three identified genes could lead to a better understanding of the genetic pathways controlling PHS.

关键词： Pre-harvest sprouting(PHS) KASP marker Functional genes Chromosome 3AL 90K SNP assay Near-isogenic lines

Associations of sleeping patterns and isotemporal substitution of other behavior with the prevalence of CKD in Chinese adults

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Frontiers of Medicine 2024年第2期18卷 303-314页

作者： Yi Ding Xiaoli Xu Zhuojun Xin Qiuyu Cao Jiaojiao Huang Xianglin Wu Yanan Huo Qin Wan Yingfen Qin Ruying Hu Lixin Shi Qing Su Xuefeng Yu Li Yan guijun Qin Xulei Tang Gang Chen Min Xu Tiange Wang Zhiyun Zhao Zhengnan Gao Guixia Wang Feixia Shen Zuojie Luo Li Chen Qiang Li Zhen Ye Yinfei Zhang Chao liu Youmin Wang Tao Yang Huacong Deng Lulu Chen Tianshu Zeng Jiajun Zhao Yiming Mu Shengli Wu Yuhong Chen Jieli Lu Weiqing Wang Guang Ning Yu Xu Yufang Bi Mian Li Department of Endocrine and Metabolic Diseases Shanghai Institute of Endocrine and Metabolic DiseasesRuijin HospitalShanghai Jiao Tong University School of MedicineShanghai200025China Shanghai National Clinical Research Center for Metabolic Diseases Key Laboratory for Endocrine and Metabolic Diseases of the National Health Commission of ChinaShanghai Key Laboratory for Endocrine TumorState Key Laboratory of Medical GenomicsRuijin HospitalShanghai Jiao Tong University School of MedicineShanghai200025China Jiangxi Provincial People’s Hospital Affiliated to Nanchang UniversityNanchang330000China Department of Endocrinology The Affiliated Hospital of Southwest Medical UniversityLuzhou646000China Department of Endocrinology The First Affiliated Hospital of Guangxi Medical UniversityNanning530000China Zhejiang Provincial Center for Disease Control and Prevention Hangzhou310000China Department of Endocrinology Affiliated Hospital of Guiyang Medical UniversityGuiyang550000China Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghai200000China Tongji Hospital Tongji Medical CollegeHuazhong University of Science and TechnologyWuhan430000China Sun Yat-sen Memorial Hospital Sun Yat-sen UniversityGuangzhou510000China Department of Endocrinology The First Affiliated Hospital of Zhengzhou UniversityZhengzhou450000China Department of Endocrinology The First Hospital of Lanzhou UniversityLanzhou730000China Fujian Provincial Hospital Fujian Medical UniversityFuzhou350000China Dalian Municipal Central Hospital Affiliated of Dalian Medical UniversityDalian116000China Department of Endocrinology The First Hospital of Jilin UniversityChangchun130000China Department of Endocrinology The First Affiliated Hospital of Wenzhou Medical UniversityWenzhou325000China Qilu Hospital of Shandong University Jinan250000China Department of Endocrinology The Second Affiliated Hospital of Harbin Medical UniversityHarbin150000China Department of Endocrinology Cen

Studies have found a U-shaped relationship between sleep duration and chronic kidney disease(CKD)risk,but limited research evaluated the association of reallocating excessive sleep to other behavior with *** included 104538 participants from the nationwide cohort of the Risk Evaluation of Cancers in Chinese Diabetic Individuals:A Longitudinal Study,with self-reported time of daily-life *** isotemporal substitution models,we found that substituting 1 h of sleeping with sitting,walking,or moderate-to-vigorous physical activity was associated with a lower CKD ***-time physical activity displacement was associated with a greater prevalence reduction than occupational physical activity in working *** stratified analysis,a lower CKD prevalence related to substitution toward physical activity was found in long *** pronounced correlations were observed in long sleepers with diabetes than in those with prediabetes,and they benefited from other behavior substitutions toward a more active *** U-shaped association between sleep duration and CKD prevalence implied the potential effects of insufficient and excessive sleep on the kidneys,in which the pernicious link with oversleep could be reversed by time reallocation to physical *** divergence in the predicted effect on CKD following time reallocation to behavior of different domains and intensities and in subpopulations with diverse metabolic statuses underlined the importance of optimizing sleeping patterns and adjusting integral behavioral composition.

关键词： sleep physical activity chronic kidney disease isotemporal substitution behavioral pattern

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中医药治疗银屑病血热证的研究进展

中医药学报 2023年第12期51卷 101-105页

作者：刘贵军向晓晴唐毅博马天明黑龙江中医药大学附属第四医院黑龙江哈尔滨150077 黑龙江中医药大学黑龙江哈尔滨150040 黑龙江中医药大学附属第二医院黑龙江哈尔滨150001

银屑病,是一种临床较为常见的以红斑上覆大量银白色鳞屑,同时伴剧烈瘙痒等症状的红斑鳞屑类皮肤病,给患者身心造成了巨大伤害。西医学认为银屑病的病因病机尚不明确,但目前大多学者认为银屑病的发生与患者自身免疫、家族遗传以及周围环... 详细信息

银屑病,是一种临床较为常见的以红斑上覆大量银白色鳞屑,同时伴剧烈瘙痒等症状的红斑鳞屑类皮肤病,给患者身心造成了巨大伤害。西医学认为银屑病的病因病机尚不明确,但目前大多学者认为银屑病的发生与患者自身免疫、家族遗传以及周围环境之间的相互作用有关。中医学认为本病病因为素体蕴热,复感外邪凝滞肌肤。银屑病血热内蕴证在临床中非常多见,中医学在此方面优势明显,因此本文通过挖掘文献总结了许多有效治疗银屑病血热证的方法,包括中药口服、中药外治、非药物治疗等,并且以其效果独特、作用迅速之特点,在银屑病的治疗中起着十分重要的作用。

关键词：银屑病血热证中医药研究进展