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A genome-wide analysis of the chloroplast NADH dehydrogenase - like genes in Zostera marina

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Journal of Oceanology and Limnology 2022年第2期40卷 656-677页

作者： Mingyu MA Mingyu ZHONG quansheng zhang Wei ZHAO Mengxin WANG Chengying LUO Bin XU Ocean School Yantai UniversityYantai 264005China

The chloroplast NADH dehydrogenase-like(NDH)complex,homologous to respiratory complex I,participates in photosystem I cyclic electron flow(PSI-CEF)and chlororespiration in *** analyses indicated that Zostera marina,a widely distributed seagrass,has a complete NDH complex,which is rarely observed in marine *** identified all 31 ndh genes necessary for the functional NDH complex,of which ndhB and pnsb3 occurred as duplication *** structural analyses of antiporter-like subunits showed that the long amphipathic helix of NdhF was lost in ***,which could exhibit an alternative mode in the generation of trans-thylakoid proton *** splicing pattern of ndh exhibited tissue-specific patterns and responded to light *** editing in *** presented the ancestral pattern with many of the primitive editing sites and *** partial editing in ndhF reflected the link between light stress and RNA ***,the predominant expression in leaves of most ndh genes suggested that their major function is in *** quantitative real time-PCR results show that the expression of ndh was signifi cantly upregulated in response to light ***,there were two diverse responsive mechanisms of the NDH complex in PSI-CEF and ***,the presence of a complete structure,upregulated gene expression level,and multiple post-transcriptional regulations could provide a molecular basis for the powerful NDH complex and enable *** to maintain eff ective photosynthetic performance.

关键词： Zostera marina NADH dehydrogenase-like complex genome-wide analysis profi les of expression

Experimental study on the influences of cutter geometry and material on scraper wear during shield TBM tunnelling in abrasive sandy ground

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Journal of Rock Mechanics and Geotechnical Engineering 2024年第2期16卷 410-425页

作者： Shaohui Tang Xiaoping zhang quansheng Liu Qi zhang Xinfang Li Haojie Wang Key Laboratory of Safety for Geotechnical and Structural Engineering of Hubei Province School of Civil EngineeringWuhan UniversityWuhan430072China State Key Laboratory of Water Resources and Hydropower Engineering Science Wuhan UniversityWuhan430072China

When shield TBM tunnelling in abrasive sandy ground,the rational design of cutter parameters is critical to reduce tool wear and improve tunnelling ***,the influence mechanism of cutter parameters on scraper wear remains unclear due to the lack of a reliable test *** and material optimisation are often based on subjective experience,which is unfavourable for improving scraper geological *** the present study,the newly developed WHU-SAT soil abrasion test was used to evaluate the variation in scraper wear with cutter geometry,material and *** influence mechanism of cutter parameters on scraper wear has been revealed according to the scratch characteristics of the scraper *** geometry and material parameters have been optimised to reduce scraper *** results indicate that the variation in scraper wear with cutter geometry is related to the cutting resistance,frictional resistance and stress *** appropriate increase in the front angle(or back angle)reduces the cutting resistance(or frictional resistance),while an excessive increase in the front angle(or back angle)reduces the edge angle and causes stress *** optimal front angle,back angle and edge angle for quartz sand samples areα=25°,β=10°andγ=55°,*** wear resistance of the modelled scrapers made of different metal materials is related to the chemical elements and *** wear resistances of the modelled scrapers made of 45#,06Cr19Ni10,42CrMo4 and 40CrNiMoA are 0.569,0.661,0.691 and 0.728 times those made of WC-Co,*** the alloy hardness is less than 47 HRC(or greater than 58 HRC),scraper wear decreases slowly with increasing alloy hardness as the scratch depth of the particle asperity on the metal surface stabilizes at a high(or low)***,when the alloy hardness is between 47 HRC and 58 HRC,scraper wear decreases rapidly with increasing alloy hardness as the scratch depth transitions

关键词： Shield TBM Scraper wear Cutter shape Metal material Alloy hardness

Rates of temperature change in China during the past 2000 years

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Science China Earth Sciences 2011年第11期54卷 1627-1634页

作者： GE quansheng zhang XueZhen HAO ZhiXin ZHENG JingYun Institute of Geographic Sciences and Natural Resources Research Chinese Academy of Sciences Beijing 100101 China

Using 24 proxy temperature series,the rates of temperature change in China are analyzed at the 30-to 100-year scales for the past 2000 years and at the 10-year scale for the past 500 *** results show that,at the 100-year scale,the warming rate for the whole of China in the 20th century was only 0.6±1.6°C/100 a (interval at the 95% confidence level,which is used hereafter),while the peak warming rate for the period from the Little Ice Age (LIA) to the 20th century reached 1.1±1.2°C/100 a,which was the greatest in the past 500 years and probably the past 2000 *** the 30-year scale,warming in the 20th century was quite notable,but the peak rate was still less than rates for previous periods,such as the rapid warming from the LIA to the 20th century and from the 270s-290s to *** the 10-year scale,the warming in the late 20th century was very evident,but it might not be unusual in the context of warming over the past 500 *** exact timing,duration and magnitude of the warming peaks varied from region to region at all *** peak rates of the 100-year scale warming in the AD 180s-350s in northeastern China as well as those in the 260s-410s and 500s-660s in Tibet were all greater than those from the mid-19th to 20th ***,the rates of the most rapid cooling at scales of 30 to 100 years in the LIA were prominent,but they were also not unprecedented in the last 2000 *** the 10-year scale,for the whole of China,the most rapid decadal cooling in the 20th century was from the 1940s to 1950s with a rate of 0.3±0.6°C/10 a,which was similar to rates for periods before the 20th *** all regions,the rates of most rapid cooling in the 20th century were all less than those for previous periods.

关键词：中国东北地区温度变化率气候变暖时间间隔峰值速率小冰期冷却率年代际

Changes of spring phenodates for the past 150 years over the Yangtze River Delta

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Journal of Geographical Sciences 2013年第1期23卷 31-44页

作者： ZHENG Jingyun ZHONG Shuying GE quansheng HAO Zhixin zhang Xuezhen MA Xiang Institute of Geographic Sciences and Natural Resources Research CAS Beijing 100101 China

Based on phenological records extracted from Chinese historical dairies, spring phenological series in the Yangtze River Delta （YRD） of China since 1834 is reconstructed. Together with temperature and phenological observation data, the indicating significance of spring phenological series to temperature changes is also analyzed. The results are shown as follows. （1） From 1834 to 1893, spring phenodate in the YRD was fluctuated and gradually delayed, but, advanced greatly at the end of the 19th century. From 1900 to 1990, although the decadal variations were found, no clear multi-decadal trend was detected. From 1990 to 2010, spring phenodate showed significantly advance again. Compared with the mean value for 1977-1996, the latest phenodate occurred in 1893 with 27 days delayed while the earliest phenodate occurred in 2007 with 17 days advanced. （2） The correlation coefficients between spring phenodates and temperatures from December to March and from January to March exceeded -0.75 and -0.80, respectively, indicating that our phenodate series well presents the long-term changes of winter and early spring （especially from January to March） tem- peratures. These results provide important basic data for the long-term integrated tempera- ture reconstruction over China in the future work.

关键词： historical diaries spring phenodates changes the Yangtze River Delta past 150 years

也谈马克思“正义的共同体”——兼析西方正义论的局限性

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理论探索 2022年第5期 29-36页

作者：张全胜袁祖社西安财经大学马克思主义学院西安710100 西安财经大学马克思主义政治哲学研究中心陕西师范大学哲学学院西安710119 陕西师范大学哲学与社会科学高等研究院

“真正的共同体”是否是正义的共同体,这是当代研究马克思正义理论的英美学者长期争论的一个核心问题。对于该问题,本文持肯定的立场。从分配正义视角来分析,“真正的共同体”将贯彻现代分配正义之精神,解决分配何物、如何分配和运用何... 详细信息

“真正的共同体”是否是正义的共同体,这是当代研究马克思正义理论的英美学者长期争论的一个核心问题。对于该问题,本文持肯定的立场。从分配正义视角来分析,“真正的共同体”将贯彻现代分配正义之精神,解决分配何物、如何分配和运用何种分配标准等核心问题;从法权正义视角来说,“真正的共同体”将捍卫无产阶级的平等权利和人权等;从社会正义视角来讲,只有在“真正的共同体”中,才能真正实现人的平等、自由和解放,才能完成个体与共同体之间的和谐统一,才能最终达致人、自然和社会的和谐统一。因此“,真正的共同体”一定是正义的共同体。

关键词： “正义的共同体” 真正的共同体分配正义法权正义社会正义

Morphology-dependent electrocatalytic performance of Fe_(2)(MoO_(4))_(3) for electro-oxidation of methanol in alkaline medium

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Journal of Materiomics 2017年第2期3卷 135-143页

作者： Daoming zhang Liheng zhang Wei zhang Mengfei Huo Jiajia Yin Guoju Dang Zhen Ren quansheng zhang Jingying Xie Samuel S.Mao School of Chemical and Environmental Engineering Shanghai Institute of TechnologyShanghai 201418China Shanghai Institute of Space Power Sources Shanghai 200245China Department of Mechanical Engineering University of California at BerkeleyBerkeley CA94720USA Samuel Mao Institute of New Energy Science HallShenzhen 518031China

Electrochemically synthesized nanosphere,nanorod and nanotube Fe_(2)(MoO_(4))_(3) at optimized temperature and current density are characterized with XRD,SEM,TEM,*** lattices of the three types Fe_(2)(MoO_(4))_(3) detected by HRTEM are well matched with the simulation analysis results from Materials Studio 6.0 based on the inorganic crystal structure database(ICSD)data and the modified XRD lattice *** ratios of Fe/Mo on the surface resulted from XPS analysis are 1.47,1.63 and 2.22 respectively for nanosphere,nanorod and *** mixture of Fe_(2)(MoO_(4))_(3) with polytetrafluoroethylene dispersion are coated on glass carbon substrate as electrode for electrocatalytic performance test by cyclic voltammetries in 0.1 mol/L KOH and 1 mol/L methanol *** oxidation peak current density of the Nanotube-Fe_(2)(MoO_(4))_(3)/GCEs electrode is 3.27 mA/cm^(2) higher than 2.8 mA/cm^(2) of platinum foil electrode,which shows enhanced catalytic activity of Nanotube-Fe_(2)(MoO_(4))_(3)/*** cyclic stability in terms of peak current retention are 91%,92%and 88%respectively for Nanosphere-Fe_(2)(MoO_(4))_(3)/GCE,Nanorod-Fe_(2)(MoO_(4))_(3)/GCE and Nanotube-Fe_(2)(MoO_(4))_(3)/GCE electrode after 220 *** is concluded that nanosized Fe_(2)(MoO_(4))_(3) could be promising alternative non-noble electro-catalysts for electro-oxidation of methanol in alkaline medium.

关键词： Electrochemistry Methanol electro-oxidation Fe_(2)(MoO_(4))_(3)

CDK4/6 inhibition blocks cancer metastasis through a USP51-ZEB1-dependent deubiquitination mechanism

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Signal Transduction and Targeted Therapy 2020年第1期5卷 2214-2226页

作者： Zhen zhang Jianjun Li Yang Ou Guang Yang Kaiyuan Deng Qiong Wang Zhaoyang Wang Wenhao Wang quansheng zhang Hang Wang Wei Sun Peiqing Sun Shuang Yang Tianjin Key Laboratory of Tumor Microenvironment and Neurovascular Regulation Medical College of Nankai UniversityTianjin 300071China College of Pharmacy Nankai UniversityTianjin 300071China Tianjin Key Laboratory of Organ Transplantation Tianjin First Center HospitalTianjin 300192China Department of Cancer Biology Wake Forest University School of MedicineWinston-SalemNC 27157USA

Tumor metastasis is the most common cause of cancer-related deaths,yet it remains poorly *** transcription factor zinc-finger E-box binding homeobox 1(ZEB1)is involved in the epithelial-to-mesenchymal transition(EMT)and plays a pivotal role in tumor ***,the underlying mechanisms of the posttranslational modification of ZEB1 remain largely ***,we demonstrated that specific inhibition of CDK4/6 was able to block tumor metastasis of breast cancer by destabilizing the ZEB1 protein in vitro and in ***,we determined that the deubiquitinase USP51 is a bona fide target of CDK4/*** phosphorylation and activation of USP51 by CDK4/6 is necessary to deubiquitinate and stabilize ***,we found a strong positive correlation between the expression of p-RB(an indicator of CDK4/6 activity),p-USP51 and ZEB1 in metastatic human breast cancer ***,the high expression of p-RB,p-USP51,and ZEB1 was significantly correlated with a poor clinical *** together,our results provide evidence that the CDK4/6-USP51-ZEB1 axis plays a key role in breast cancer metastasis and could be a viable therapeutic target for the treatment of advanced human cancers.

关键词： metastasis CDK4 ubiquitin

2A14-T4铝合金厚板搅拌摩擦焊接头微观组织和力学性能

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焊接学报 2022年第6期43卷 20-24,42,I0003,I0004页

作者：刘会杰高一嵩张全胜赵慧慧哈尔滨工业大学先进焊接与连接国家重点实验室哈尔滨150001 上海航天设备制造总厂有限公司上海200245

随着工业技术的进步,航空航天、交通运输等领域对构件的承载能力提出了越来越高的需求,采用搅拌摩擦焊的方法对9 mm厚2A14-T4铝合金进行连接,并对高强铝合金厚板接头沿厚度方向不同区域的微观组织和力学性能进行研究.结果表明,在转速400... 详细信息

随着工业技术的进步,航空航天、交通运输等领域对构件的承载能力提出了越来越高的需求,采用搅拌摩擦焊的方法对9 mm厚2A14-T4铝合金进行连接,并对高强铝合金厚板接头沿厚度方向不同区域的微观组织和力学性能进行研究.结果表明,在转速400 r/min、焊接速度100 mm/min条件下能够获得表面成形良好的焊缝,接头抗拉强度为360 MPa,达到母材强度的83.9%.接头微观组织沿厚度方向存在显著差异,焊缝上部、中部、下部晶粒尺寸逐渐减小,其平均直径分别为7.9,5.0和2.8μm.焊缝底部断口出现小而浅的等轴状韧窝.接头断裂位置和最低显微硬度均出现在接头后退侧的热力影响区;同时接头显微硬度呈现“W”形分布,且沿厚度方向分布存在差别,焊缝上部、中部、下部显微硬度最低值分别为99.9,97.9和94.7 HV.

关键词：搅拌摩擦焊铝合金微观组织力学性能

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建筑电气工程线缆敷设常见问题与防治

江苏建材 2022年第6期 122-123页

作者：张全升山西省安装集团股份有限公司山西太原030032

文章通过对现阶段线缆敷设常见的问题进行分析与研究,并提出相应的防治措施,保证用电需求与用电安全,旨在为建筑电气工程线缆敷设提供一定的参考与帮助。

关键词：电气工程线缆敷设线缆质量控制

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