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Structural and electronic effects boosting Ni-doped Mo_(2)C catalyst toward high-efficiency C-O/C-C bonds cleavage

Journal of Energy Chemistry 2022年第12期75卷 109-116,I0004页

作者： xiangze Du Jinjia liu Dan Li Hui xin xiaomei Lei Rui zhang Linyuan Zhou Huiru yang yan zeng Hualong zhang Wentao Zheng xiaodong Wen Changwei Hu Key Laboratory of Green Chemistry and Technology College of ChemistrySichuan UniversityChengdu 610064SichuanChina State Key Laboratory of Coal Conversion Institute of Coal ChemistryChinese Academy of SciencesTaiyuan 030001ShanxiChina National Energy Center for Coal to Liquids Synfuels China Co.LtdBeijing 101400China Department State Key Laboratory of Catalysis iChEMDalian Institute of Chemical PhysicsChinese Academy of ScienceDalian 116023LiaoningChina Department of Chemistry University of HelsinkiA.I.Virtasen Aukio 1P.O.Box 5500014Finland

The selective cleavage of C-O and C-C is facing a challenge in the field of *** the present work,we studied the influence of doped Ni on the structure and electronic properties,as well as the selective C-O/C-C bond cleavages in the hydrodeoxygenation of palmitic acid over Ni-Mo_(2)C *** catalytic activity on Ni doped Mo_(2)C with TOF of 6.9×10^(3)h^(-1)is much superior to intrinsic Mo_(2)C catalyst,which is also higher than most noble metal ***,the doped Ni raises the active particle dispersion and the coordination numbers of Mo species(Mo-C and Mo-O),improves the graphitization degree to promote the electron transfer,and increases the amount of Lewis and Br?nsted acid,which are responsible for the excellent hydrodeoxygenation *** Ni promotes simultaneously C-O and C-C bonds cleavage to produce pentadecane and hexadecane owing to the increase of electron-rich Mo sites after Ni *** findings contribute to the understanding of the nature of Ni-doped Mo_(2)C on the roles as catalytic active sites for C-O and C-C bonds cleavage.

关键词： Ni-doped Mo_(2)C Palmitic acid Hydrodeoxygenation C-O/C-C bond cleavages Biofuel

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运动想象训练结合膀胱功能训练在脑卒中后神经源性膀胱患者康复治疗中的应用

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川北医学院学报 2024年第2期39卷 186-189页

作者：曾利何馨张鑫刘建成赵娟妮郑婷婷张琴董燕西部战区总医院康复医学科四川成都610083

目的:探讨运动想象训练结合膀胱功能训练在脑卒中后神经源性膀胱(PSNB)患者康复治疗中的应用价值。方法:选取96例PSNB患者为研究对象,根据康复治疗方式不同分为对照组和结合组,每组各48例。对照组行间歇性导尿治疗及常规康复治疗;结合... 详细信息

目的:探讨运动想象训练结合膀胱功能训练在脑卒中后神经源性膀胱(PSNB)患者康复治疗中的应用价值。方法:选取96例PSNB患者为研究对象,根据康复治疗方式不同分为对照组和结合组,每组各48例。对照组行间歇性导尿治疗及常规康复治疗;结合组在对照组基础上行运动想象训练结合膀胱功能训练治疗,疗程均为两个月。比较两组患者临床疗效、膀胱功能[最大膀胱容量(MBC)、最大尿流率(Qmax)、残余尿量(PVR)]、下尿路症候群症状[国际下尿路症候群症状(LUTS)评分]、生活质量[生活质量量表(QOL)评分]及情绪状态[焦虑抑郁量表(HADS)评分]。结果:结合组患者总有效率高于对照组(91.67 vs.70.83,P<0.05)。治疗后,两组患者MBC、Qmax、QOL评分均增加,且结合组高于对照组(P<0.05);PVR、LUTS评分、HADS-A评分、HADS-D评分均降低,且结合组低于对照组(P<0.05)。结论:运动想象训练结合膀胱功能训练用于PSNB患者康复治疗疗效明显,对改善临床症状、膀胱功能、生活质量与病患情绪有积极意义。

关键词：运动想象训练膀胱功能训练脑卒中神经源性膀胱康复治疗生活质量

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有机胺乙氧基化缓蚀剂的合成及复配性能研究

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全面腐蚀控制 2024年第8期38卷 151-154,158页

作者：张勇刘言霞王素芳陆原张颖胡廷张国欣李家俊中海油(天津)油田化工有限公司天津300452

本文采用以十八胺与环氧乙烷反应,生成十八胺聚氧乙烯醚。通过调节反应物的不同比例,最终确定在十八胺:环氧乙烷=1:10时,反应产物的醇水体系中溶解良好,缓蚀效果最佳。采用红外光谱扫描,通过特征峰的分析,验证合成产物确为目标产物。将... 详细信息

本文采用以十八胺与环氧乙烷反应,生成十八胺聚氧乙烯醚。通过调节反应物的不同比例,最终确定在十八胺:环氧乙烷=1:10时,反应产物的醇水体系中溶解良好,缓蚀效果最佳。采用红外光谱扫描,通过特征峰的分析,验证合成产物确为目标产物。将生成十八胺聚氧乙烯醚与硫氰酸钠、二邻甲苯硫脲、硫脲基油酸二乙烯三胺咪唑啉进行复配,复配后得到缓蚀剂通过挂片失重实验,测试了缓蚀剂的缓蚀性能;通过SEM进行腐蚀挂片表面进行观察。结果表明:十八胺聚氧乙烯醚缓蚀具有良好的配伍性及复配性能,与含硫物质复配后均有很好的缓蚀效果;加入缓蚀剂的金属挂片呈现金属光泽,腐蚀轻微。

关键词：十八胺乙氧基化含硫物质复配性能缓蚀性能

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黑木耳不同处理条件对鱼香肉丝品质的影响

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中国调味品 2024年第9期49卷 59-66页

作者：冉霞林李仲巧李文龙张焦瑞孟郑洋张思琪姜欣伶曾文雨刘晓翠西华大学食品与生物工程学院成都610039

为优化鱼香肉丝中黑木耳的预处理工艺,对鱼香肉丝中的黑木耳进行不同处理,采用单因素试验和响应面优化试验考察黑木耳丝宽度、护脆液NaCl质量分数、护脆液CaCl 2质量分数、护脆时间、热烫时间对鱼香肉丝品质的影响,选取对结果影响较大的... 详细信息

为优化鱼香肉丝中黑木耳的预处理工艺,对鱼香肉丝中的黑木耳进行不同处理,采用单因素试验和响应面优化试验考察黑木耳丝宽度、护脆液NaCl质量分数、护脆液CaCl 2质量分数、护脆时间、热烫时间对鱼香肉丝品质的影响,选取对结果影响较大的3个因素(黑木耳丝宽度、护脆液NaCl质量分数、护脆时间)进行响应面试验,结果表明,最优预处理工艺为黑木耳丝宽度6.77 mm、护脆液NaCl质量分数0.92%、护脆液CaCl 2质量分数0.2%、护脆时间34.50 min、热烫时间60 s,此时感官评分最高。同时,该研究探究了鱼香肉丝在-18℃下冻藏15 d的质构、色差、过氧化值、菌落总数、挥发性风味物质的变化,为鱼香肉丝工业化生产提供了一定的参考。

关键词：黑木耳预处理工艺鱼香肉丝风味物质

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Observations and interpretations of geomorphologic features in the Tianwen-1 landing area on Mars by using orbital imagery data

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Earth and Planetary Physics 2023年第3期7卷 331-346页

作者： Hai Huang xing Wang Yuan Chen Qing zhang FeiYue Zhao xin Ren xingGuo zeng Wei yan WangLi Chen Bin liu DaWei liu LianBo Fu JianJun liu Key Laboratory of Lunar and Deep Space Exploration National Astronomical ObservatoriesChinese Academy of SciencesBeijing 100101China School of Astronomy and Space Science University of Chinese Academy of SciencesBeijing 100049China

China’s first Mars exploration mission,Tianwen-1,successfully landed in southern Utopia Planitia on Mars on May 15,*** work presents a detailed investigation of the geologic context of the landing area surface for this mission based on orbital remotesensing *** constructed a geomorphologic map for the Tianwen-1 landing *** of our detailed geomorphologic map show several major landforms within the landing area,including rampart craters,mesas,troughs,cones,and *** of materials on the landing area surface indicates that most of the landing area is covered by Martian *** aeolian ridges are widely distributed within the landing area,indicating the surface contexts were(and still are)modified by regional *** addition,a crater counting analysis indicates the landing area has an absolute model age of~3.3 Ga and that a later resurfacing event occurred at~1.6 ***,we outline four formational scenarios to test the formation mechanisms for the geomorphologic features on the landing area *** most likely interpretation to explain the existence of the observed surface features can be summarized as follows:A thermal influence may have played an important role in the formation of the surface geomorphologic features;thus,igneous-related processes may have occurred in the landing *** ice may also have been involved in the construction of the primordial surface *** resurfacing events and aeolian processes buried and modified the primordial surface.

关键词： Mars Utopia Planitia Tianwen-1 geomorphologic features water ice heat source

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Chromosome painting of telomeric repeats reveals new evidence for genome evolution in peanut

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Journal of Integrative Agriculture 2016年第11期15卷 2488-2496页

作者： DU Pei LI Li-na zhang Zhong-xin liu Hua QIN Li HUANG Bing-yan DONG Wen-zhao TANG Feng-shou QI zeng-jun zhang xin-you State Key Laboratory of Crop Genetics and Germplasm Enhancement Nanjing Agricultural University Industrial Crops Research Institute Henan Academy of Agricultural Sciences/Key Laboratory of Oil Crops in Huang-Huai-Hai PlainsMinistry of Agriculture/Henan Provincial Key Laboratory for Oil Crops Improvement College of Agriculture Henan University of Science and Technology

Interspecific hybridization is an important approach to improve cultivated peanut varieties. Cytological markers such as tandem repeats will facilitate alien gene introgression in peanut. Telomeric repeats have also been frequently used in chromosome research. Most plant telomeric repeats are（TTTAGGG）n that are mainly distributed at the chromosome ends, although interstitial telomeric repeats（ITRs） are also commonly identified. In this study, the telomeric repeat was chromosomally localized in 10 Arachis species through sequential GISH（genomic in situ hybridization） and FISH（fluorescence in situ hybridization） combined with 4＇,6-diamidino-2-phenylindole（DAPI） staining. Six ITRs were identified such as in the centromeric region of chromosome Bi5 in Arachis ipa？nsis, pericentromeric regions of chromosomes As5 in A. stenosperma, Bho7 in A. hoehnei and Av5 in A. villosa, nucleolar organizer regions of chromosomes As3 in A. stenosperma and Adi3 in A. diogoi, subtelomeric regions of chromosomes Bho9 in A. hoehnei and Adu7 in A. duranensis, and telomeric region of chromosome Es7 in A. stenophylla. The distributions of the telomeric repeat, 5S r DNA, 45 S r DNA and DAPI staining pattern provided not only ways of distinguishing different chromosomes, but also karyotypes with a higher resolution that could be used in evolutionary genome research. The distribution of telomeric repeats, 5S r DNA and 45 S r DNA sites in this study, along with inversions detected on the long arms of chromosomes Kb10 and Bho10, indicated frequent chromosomal rearrangements during evolution of Arachis species.

关键词： Arachis species inversion interstitial telomeric repeats karyotype

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Implication of a novel truncating mutation in titin as a cause of autosomal dominant left ventricular noncompaction

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Journal of Geriatric Cardiology 2022年第4期19卷 301-314页

作者： Xue-Qi DONG Di zhang Yi QU Yu-xiao HU Chun-Xue yanG Tao TIAN Nan XU Hai-Lun JIANG Li zeng Peng-yan xia Ya-xin liu Rui liu xian-Liang ZHOU Department of Cardiology Fuwai HospitalNational Center for Cardiovascular DiseaseChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina Department of Echocardiography Fuwai HospitalNatio-nal Center for Cardiovascular DiseaseChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina Institute of Medicinal Biotechnology Chinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina State Key Laboratory of Membrane Biology Institute of ZoologyChinese Academy of ScienceBeijingChina

BACKGROUND Mutation in the titin gene(TTN)in left ventricular noncompaction(LVNC)has been reported with a highly heterogeneous prevalence,and the molecular mechanisms underlying the pathogenesis of TTN gene mutation are *** the present study,we identified a novel TTN mutation in a pedigree with LVNC and investigated the potential pathogenic mechanism by functional *** The whole-genome sequencing with linkage analysis was performed in a 3-generation family affected by autoso-mal dominant LVNC *** clustered regularly interspaced short palindromic repeats associated protein 9(CRISPR/Cas9)technology was used to establish novel truncating mutation in TTN in a rat cardiomyoblast H9C2 cell line in vitro,in which functional studies were carried out and characterized in comparison to its wild-type *** A novel truncating mutation TTN p.R2021X was identified as the only plausible disease-causing variant that segreg-ated with disease among the five surviving affected individuals,with an interrogation of the entire genome excluding other po-tential *** reverse transcription-polymerase chain reaction and cellular immunofluorescence supported a haplo-insufficient disease mechanism in titin truncation mutation *** functional studies suggested mitochondrial abnormities in the presence of mutation,including decreased oxygen consumption rate,reduced adenosine triphosphate produc-tion,impaired activity of electron translation chain,and abnormal mitochondrial structure on electron *** aut-ophagy under electron microscopy accompanied with activation of the Akt-mTORC1 signaling pathway was observed in TTN p.R2021X truncation mutation *** The TTN p.R2021X mutation has a function in the cause of a highly penetrant familial *** findings expand the spectrum of titin’s roles in cardiomyopathies and provide novel insight into the molecular basis of titin-tr

关键词： linkage mechanism impaired

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大豆巢式关联作图(NAM)群体构建及花色和种皮色遗传分析

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作物学报 2024年第3期50卷 556-575页

作者：宋健熊亚俊陈伊洁徐瑞新刘康林郭庆元洪慧龙高华伟谷勇哲张丽娟郭勇阎哲刘章雄关荣霞李英慧王晓波郭兵福孙如建闫龙王好让姬月梅常汝镇王俊邱丽娟长江大学湖北荆州434025 中国农业科学院作物科学研究所/农作物基因资源与遗传改良国家重大科学工程/农业农村部北京大豆生物学重点实验室北京100081 安徽农业大学农学院安徽合肥230036 江西省农业科学院作物研究所江西南昌330200 呼伦贝尔市农业科学研究所内蒙古呼伦贝尔162650 农业农村部长江中游作物绿色高效生产重点实验室(部省共建)/长江大学农学院湖北荆州434025 河北省农林科学院粮油作物研究所河北石家庄050035 江苏徐怀地区徐州农业科学研究所江苏徐州210031 宁夏农林科学院作物研究所宁夏银川750021

巢式关联作图(Nested Association Mapping,NAM)群体在作物学遗传与育种研究中具有广泛的应用。本研究在前期大豆种质资源评价基础上,利用35份不同地区来源的代表性种质与中豆41(公共母本)杂交,构建了一套大豆NAM群体。PCA和聚类分析发... 详细信息

巢式关联作图(Nested Association Mapping,NAM)群体在作物学遗传与育种研究中具有广泛的应用。本研究在前期大豆种质资源评价基础上,利用35份不同地区来源的代表性种质与中豆41(公共母本)杂交,构建了一套大豆NAM群体。PCA和聚类分析发现,不同亲本组合的RIL群体基本聚在一起,显示出清晰的遗传结构。利用该NAM群体亲本间花色和种皮色具有显著差异的RIL群体进行全基因组关联分析,定位到1个主要位点qFC13-1与花色显著关联,该位点与W1位点重合;定位到12个位点与种皮色显著相关,其中9个位点为3种以上方法共定位,3个位点为2种方法共定位,包括4个已知位点和8个新位点。研究结果表明,构建的NAM群体适于进行大豆相关性状遗传分析,为大豆复杂性状的遗传解析和育种实践提供了良好的基础材料。

关键词：大豆 NAM群体花色种皮色遗传分析

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Lactate Decreases Bortezomib Sensitivity and Predicts Poor Clinical Outcomes of Multiple Myeloma

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当代医学科学(英文) 2023年第4期43卷 679-688页

作者： Na-ya MA Qiong LI xin-lei LI Yun-jing zeng De-zhi HUANG Yi-shuo DUAN Jing xia Bang-dong liu Ling-yi RAO Jun RAO Xi zhang Medical Center of Hematology Xinqiao HospitalArmy Medical UniversityChongqing 400037China State Key Laboratory of Trauma Burns and Combined InjuryArmy Medical UniversityChongqing 400037China National Clinical Research Center for Hematologic Diseases First Affiliated Hospital of Soochow UniversitySoochow 215031China

Objective:Metabolic disorders are regarded as hallmarks of multiple myeloma(MM)and are responsible for rapid cancer cell proliferation and tumor ***,the exact biological roles of metabolites in MM cells have not been fully *** study aimed to explore the feasibility and clinical significance of lactate for MM and investigate the molecular mechanism of lactic acid(Lac)in the proliferation of myeloma cells and cell sensitivity to bortezomib(BTZ).Methods:Metabolomic analysis of the serum was carried out to obtain metabolites expression and clinical characteristics in MM *** CCK8 assay and flow cytometry were used to detect cell proliferation,apoptosis,and cell cycle *** blotting was used to detect the potential mechanism and apoptosis-and cycle-related protein ***:Lactate was highly expressed in both the peripheral blood and bone marrow of MM *** was significantly correlated with Durie-Salmon Staging(DS Staging)and the International Staging System(ISS Staging)and the serum and urinary involved/uninvolved free light chain *** with relatively high lactate levels had a poor treatment ***,in vitro experiments showed that Lac could promote the proliferation of tumor cells and decrease the proportion of G0/G1-phase cells,which was accompanied by an increased proportion of S-phase *** addition,Lac could decrease tumor sensitivity to BTZ by disrupting the expression of nuclear factor kappa B subunit 2(NFκB2)and ***:Metabolic changes are important in MM cell proliferation and treatment response;lactate could be used as a biomarker in MM and as a therapeutic target to overcome cell resistance to BTZ.

关键词： lactate biomarker multiple myeloma bortezomib NF-kappa B pathway

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滨州市湿地资源变化监测空间动态分析

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湿地科学与管理 2024年第1期20卷 20-24页

作者：马炜刘娅惠刘艳佳胡静静张新磊刘增力国家林业和草原局林草调查规划院北京100714 滨州市自然资源和规划局山东滨州256600

以湿地二调和国土三调的湿地调查数据为基础,对滨州市各湿地类型的空间分布格局、数量变化特征、动态度以及状态指数等进行分析。结果表明:滨州北部地区是湿地的主要分布区,2014年滨州市湿地总面积为175988 hm^(2),2020年增长至181866 h... 详细信息

以湿地二调和国土三调的湿地调查数据为基础,对滨州市各湿地类型的空间分布格局、数量变化特征、动态度以及状态指数等进行分析。结果表明:滨州北部地区是湿地的主要分布区,2014年滨州市湿地总面积为175988 hm^(2),2020年增长至181866 hm^(2);2014—2020年共有17244 hm^(2)湿地转化为非湿地,有23121 hm^(2)非湿地转化为湿地;湿地总体动态度和相对变化率均较大,且全市湿地整体向“扩展”趋势发展。提出了基于不同数据来源的湿地资源变化监测方法,研究成果可为湿地资源的合理保护与利用提供科学依据。

关键词：湿地二调国土三调变化监测滨州市

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