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Physiological response of four wolfberry (Lycium Linn.) species under drought stress

Journal of Integrative Agriculture 2018年第3期17卷 603-612页

作者： ZHAO Jian-hua LI Hao-xia ZHANG Cun-zhi AN wei YIN Yue WANG ya-jun CAO You-long National Wolfberry engineering Research Center Ningxia Academy of Agriculture and Forestry Sciences Yinchuan 750002 P. R. China Desertification Control Research Institute Ningxia Academy of Agriculture and Forestry Sciences Yinchuan 750002 P.R.China Ningxia Professional Technology College Yinchuan 750021 P.R. China

We studied gas-exchange, chlorophyll pigments, lipid peroxidation, antioxidant enzymes, and biomass partitioning responses in seedlings of four wolfberry species （Lycium chinense mill. var. potaninii （Pojark.） A. m. Lu, Lycium chinense mill., Lycium barbarum L., and Lycium yunnanense Kuang ＆ A. m. Lu） under four water supply regimes. In all four species, drought affected seedlings in terms of chlorophyll content, net photosynthesis rate （Pn）＇ transpiration rate （e）, and lipid peroxidation. Drought also increased some antioxidant enzyme activities, such as peroxidase （POD）, catalase （CAT）, superoxide dismutase （SOD）, and ascorbate peroxidase （APX）. Significant changes in dry biomass partitioning also occurred in response to water stress. In particular, dry biomass of leaves and fruits decreased significantly. L. chinense mill. and L. barbarum L. possessed greater drought tolerance and exhibited superior antioxidant processing ability and other related physiological traits compared to the other two species. L. chinense mill. was the most tolerant to all levels of drought. In contrast,L, yunnanense Kuang ＆ A. m. Lu was more affected by water supply and had the lowest resistance to drought stress. These findings would provide some important information regarding genetic resources for future forest tree improvement in relation to drought tolerance.

关键词： drought Lycium Linn. chlorophyll fluoresc.ence osmotic adjustment antioxidant respond dry matter allocation

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First-principles study on the mechanical properties of m2CT2（m=Ti,Zr,Hf;T=O,F,OH） mXenes

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Nuclear Science and Techniques 2019年第11期30卷 60-71页

作者： Yu-Chang Lu Cui-Lan Ren Chang-Ying Wang ya-Ru Yin Han Han Wei Zhang Ping Huai Shanghai Institute of Applied Physics Chinese Academy of SciencesShanghai 201800China University of Chinese Academy of Sciences Beijing 100049China Key Laboratory of Interfacial Physics and Technology Chinese Academy of SciencesShanghai 201800China Changzhou Institute of Technology Changzhou 213032China Center of Shanghai Light Source Shanghai Advanced Research InstituteShanghai 201204China School of Physical Science and Technology ShanghaiTech UniversityShanghai 201210China

Two-dimensional(2D)transition metal carbides known as mXenes belong to a new branch of 2D material family,and their fundamental properties vary with their compositions and surface *** this study,the structural and ideal mechanical properties of m2C-type mXenes and their functionalized m2CT2 mXenes(m=Ti,Zr,Hf;T=O,F,OH)were systematically examined via first-principles *** stress–strain curves of the mXenes under homogenous biaxial and uniaxial tension are identified,and the fundamental quantities(e.g.,Young’s modulus,in-plane stiffness,and Poisson’s ratio)are *** significantly higher strength and extended critical strains,the m2CO2 mXenes exhibit optimal flexibility when compared with that of m2C,m2CF2,and m2C(OH)***,Hf2CT2 exhibits optimal tensile performance under uniaxial or biaxial tension when compared to that of Ti2CT2 and *** Young’s modulus,in-plane stiffness,and Poisson’s ratio of mXenes with different surface functionalization increase in a sequence corresponding to OH\F\***,the effects of vacancy on the mechanical properties of mXenes are further explored and indicate that vacancy can significantly weaken the tensile properties of mXenes that are ***,vacancy also results in a certain anisotropy of stress along armchair and zigzag directions even under the biaxial tension condition.

关键词： mXenes mechanical properties Vacancy First-principles study

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病原菌侵染下细胞外ATP对光系统Ⅱ光化学反应的调节作用

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兰州大学学报（自然科学版） 2024年第5期60卷 593-598页

作者：曹璐璐金昱杉张悦婧王涵琦邓雅欣孙坤张继贾凌云冯汉青西北师范大学生命科学学院兰州730070 西北师范大学中国商业联合会西北高原生物资源开发与生物制品重点实验室兰州730070

以野生型Col-0和细胞外ATP(e ATP)受体突变型dorn1-3拟南芥为实验材料,探究e ATP在两种丁香假单胞菌(毒性Pst DC3000和非毒性Pstavr B)侵染下的水平变化以及对其光化学反应的调节作用.结果表明,Pst DC3000和Pstavr B侵染均导致拟南芥叶... 详细信息

以野生型Col-0和细胞外ATP(e ATP)受体突变型dorn1-3拟南芥为实验材料,探究e ATP在两种丁香假单胞菌(毒性Pst DC3000和非毒性Pstavr B)侵染下的水平变化以及对其光化学反应的调节作用.结果表明,Pst DC3000和Pstavr B侵染均导致拟南芥叶片中e ATP水平、光适应下叶片的最大光化学量子产率(F_(v)′/F_(m)′)、光适应下PSⅡ实际光化学效率(Y(Ⅱ))、光合电子传递速率(eTR)降低而非调节性能量耗散的量子产额Y(NO)升高.Pst DC3000侵染下,dorn1-3拟南芥植株F_(v)′/F_(m)′、Y(Ⅱ)、eTR略低于野生型,Y(NO)略高于野生型,但均未达显著性差异;在Pstavr B侵染下,dorn1-3拟南芥植株F_(v)′/F_(m)′、Y(Ⅱ)、eTR显著低于野生型植株,Y(NO)显著高于野生型.在病原菌侵染下,e ATP受体的突变会增强病原菌对PSⅡ的抑制作用,且在非毒性病原菌侵染下该效应更为明显.在非毒性病原菌侵染对植物光化学反应影响的过程中e ATP具有重要的调控作用.

关键词：拟南芥丁香假单胞菌胞外ATP 叶绿素荧光参数

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Increased CD4^+CD45RA^-FoxP3^(low) cells alter the balance between Treg and Th17 cells in colitis mice

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World Journal of Gastroenterology 2016年第42期22卷 9356-9367页

作者： ya-Hui ma Jie Zhang Xue Chen You-Fu Xie yan-Hua Pang Xin-Juan Liu Department of Gastroenterology Beijing Anzhen Hospital Capital Medical University Department of Gastroenterology Beijing Chaoyang Hospital Capital Medical University

AIm To investigate the role of regulatory T cell(Treg) subsets in the balance between Treg and T helper 17(Th17) cells in various tissues from mice with dextran sulfate sodium-induced *** T r e g c e l l s, T r e g c e l l s u b s e t s, T h 1 7 c e l l s, a n d CD4+CD25+FoxP 3+IL-17+ cells from the lamina propria of colon(LPC) and other ulcerative colitis(UC) mouse tissues were evaluated by flow cytometry. Forkhead box protein 3(FoxP 3), interleukin 17A(IL-17A), and RORC m RNA levels were assessed by real-time PCR, while interleukin-10(IL-10) and IL-17 A levels were detected with a Cytometric Beads *** In peripheral blood monocytes(PBmC), mesenteric lymphnode(mLN), lamina propria of jejunum(LPJ) and LPC from UC mice, Treg cell numbers were increased(P mR NA levels were decreased. Th17 cell numbers were also increased in PBmC and LPC, as were IL-17 A levels in PBmC, LPJ, and serum. The number of FrI subset cells(CD4+CD45RA+FoxP 3low) was increased in the spleen, mLN, LPJ, and LPC. FrI I subset cells(CD4+CD45RA-Fox P3high) were decreased among PBmC, mLN, LPJ, and LPC, but the number of Fr III cells(CD4+CD45RA-FoxP 3low) and CD4+CD25+FoxP 3+IL-17A+ cells was increased. Fox P3 m RNA levels in CD4+CD45RA-Fox P3 low cells decreased in PBmC, mLN, LPJ, and LPC in UC mice, while IL-17 A and RORC mR NA increased. In UC mice the distribution of Treg, Th17 cells, CD4+CD45RA-FoxP 3high, and CD4+CD45RA-FoxP 3low cells was higher in LPC relative to other *** Increased numbers of CD4+CD45RA-FoxP 3low cells may cause an imbalance between Treg and Th17 cells that is mainly localized to the LPC rather than secondary lymphoid tissues.

关键词： Ulcerative colitis Regulatory T cells Treg cells subsets T helper 17 cells

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抗苗勒管激素联合性激素评估不孕症患者卵巢功能的价值分析

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中国妇幼保健 2024年第11期39卷 2025-2028页

作者：孙佩佩陈松长叶智颖王亚颖舟山市普陀区人民医院检验科浙江舟山316100 复旦大学附属妇产科医院遗传中心舟山市普陀区人民医院超声科

目的探讨抗苗勒管激素(AmH)联合性激素评估不孕症患者卵巢功能的价值。方法选取2020年2月—2022年2月舟山市普陀区人民医院收治的不孕症患者180例为研究对象,采用经阴道彩色多普勒超声检查窦卵泡数,根据检测结果判断卵巢储备功能,卵巢... 详细信息

目的探讨抗苗勒管激素(AmH)联合性激素评估不孕症患者卵巢功能的价值。方法选取2020年2月—2022年2月舟山市普陀区人民医院收治的不孕症患者180例为研究对象,采用经阴道彩色多普勒超声检查窦卵泡数,根据检测结果判断卵巢储备功能,卵巢储备功能正常为对照组(80例),卵巢储备功能下降为研究组(100例)。对比两组患者血清AmH、性激素水平,分析AmH、性激素评估不孕症患者卵巢功能的价值。结果对照组AmH、卵泡刺激素(FSH)、黄体生成素(LH)、雌二醇(e2)水平分别为(5.29±2.51)ng/ml、(7.37±1.18)IU/L、(3.09±0.95)IU/L、(223.32±13.64)pmol/L;研究组AmH、FSH、LH、e2水平分别为(1.44±1.08)ng/ml、(5.20±1.03)IU/L、(2.11±0.52)IU/L、(20.31±3.50)pmol/L。与对照组相比,研究组AmH、FSH、LH、e2水平均降低,差异均有统计学意义(t=13.850,13.160,8.802,51.632,均PmH、FSH、LH、e2阳性检出率均较高(均PmH单一检测相比,AmH与性激素联合检测评估不孕症患者卵巢功能的价值较高。结论AmH联合性激素对不孕症患者的卵巢功能有一定评估价值。

关键词：抗苗勒管激素性激素不孕症卵巢功能

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CONFORmATIONAL ANALYSIS OF 1,4-HeTeROPHOSPHINANeS

CONFORMATIONAL ANALYSIS OF 1,4-HETEROPHOSPHINANES

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第17届国际磷化学大会

作者： ya.A.Vereshchagina e.A.Ishmaeva A.A.Gazizova D.V.Chachkov m.G.Voronkov kazan State Technological University K.Marks St.68Kazan420015 Kazan State UniversityKremlevskaya St. 18Kazan420008 kazan State University Kremlevskaya St. 18Kazan420008 kazan State Technological University K.Marks St.68Kazan420015 kazan State Technological University K.Marks St.68Kazan420015 A.e.Favorsky Irkutsk Institute of Chemistry SB of RAS Favorsky St.1Irkutsk664033 Russian Federation

＜正＞We carried out a conformational analysis of 1,4-heterophosphinanes 1-3 by the methods of dipole moments, Kerr effect, molecular mechanics, and quantum chemical calculations （DFT B3LYP/6-31G*）.

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Optimal design of sintered Ce_9Nd_(21)Fe_(bal)B_1 magnets with a low-melting-point (Ce,Nd)-rich phase

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International Journal of minerals,metallurgy and materials 2015年第4期22卷 417-422页

作者： Shu-lin Huang Hai-bo Feng ming-gang Zhu An-hua Li yan-feng Li ya-chao Sun Yue Zhang Wei Li Functional materials Research Institute Central Iron and Steel Research Institute School of materials Science and engineering University of Science and Technology Beijing Beijing Key Laboratory of Precision Alloys

A systemic investigation was done on the chemistry and crystal structure of boundary phases in sintered Ce9Nd21FebalB1 （wt%） magnets. Ce2Fe14B is believed to be more soluble in the rare-earth （Re）-rich liquid phase during the sintering process. Thus, the grain size and oxygen content were controlled via low-temperature sintering, resulting in high coercivity and maximum energy products. In addition, Ce formed massive agglomerations at the triple-point junctions, as confirmed by elemental mapping results. Transmission electron micros- copy （Tem） images indicated the presence of （Ce,Nd）Ox phases at grain boundaries. By controlling the composition and optimizing the preparation process, we successfully obtained Ce9Nd21FebalBx sintered magnets; the prepared magnets exhibited a residual induction, coerciv- ity, and energy product of 1.353 T, 759 ka/m, and 342 kJ/m3, respectively.

关键词： magnets liquid phases eutectic point enrichment optimal design

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Detailed profiling of carbon fixation of in silico synthetic autotrophy with reductive tricarboxylic acid cycle and Calvin-Benson-Bassham cycle in esherichia coli using hydrogen as an energy source

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Synthetic and Systems Biotechnology 2019年第3期4卷 165-172页

作者： Hsieh-Ting-yang Cheng Shou-Chen Lo Chieh-Chen Huang Tsung-Yi Ho ya-Tang yang Department of Computer Science National Tsing Hua UniversityHsinchu30013TaiwanR.O.C Department of Life Sciences National Chung-Hsing UniveristyTaichungTaiwanR.O.C Department of electrical engineering National Tsing Hua UniversityHsinchu30013TaiwanR.O.C Program in microbial Genomics National Chung Hsing UniversityTaichungTaiwanR.O.C Innovation and Development Center of Sustainable Agriculture National Chung Hsing UniversityTaichungTaiwanR.O.C

Carbon fixation is the main route of inorganic carbon in the form of CO2 into the *** nature,RuBisCO is the most abundant protein that photosynthetic organisms use to fix CO2 from the atmosphere through the Calvin-Benson-Bassham(CBB)***,the CBB cycle is limited by its low catalytic rate and low energy *** this work,we attempt to integrate the reductive tricarboxylic acid and CBB cycles in silico to further improve carbon fixation *** heterologous enzymes,mostly carboxylating enzymes,are inserted into the esherichia coli core metabolic network to assimilate CO2 into biomass using hydrogen as energy ***,such a strain shows enhanced growth yield with simultaneous running of dual carbon fixation *** key results include the following.(i)We identified two main growth states:carbon-limited and hydrogenlimited;(ii)we identified a hierarchy of carbon fixation usage when hydrogen supply is limited;and(iii)we identified the alternative sub-optimal growth mode while performing genetic *** results and modeling approach can guide bioengineering projects toward optimal production using such a strain as a microbial cell factory.

关键词： Reductive tricarboxylic acid cycle Calvin-Benson-Bassham cycle Carbon fixation metabolism

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泻火解毒止痛汤联合复方黄柏液涂剂在肛周脓肿根治术后的应用效果

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中国中西医结合外科杂志 2024年第2期30卷 160-164页

作者：赵亚男柴新玲王娇特孙英杰阎赵飞唐山市中医医院腔镜外科唐山063000 唐山市中医医院肛肠科唐山063000 唐山市中医医院手麻科唐山063000

目的:探讨泻火解毒止痛汤联合复方黄柏液涂剂在肛周脓肿根治术后的应用效果。方法:选取2021年6月—2023年6月唐山市中医医院收治的104例肛周脓肿患者,患者均进行肛周脓肿根治术治疗,术后采用随机数字法分为两组,对照组(35例)采用复方黄... 详细信息

目的:探讨泻火解毒止痛汤联合复方黄柏液涂剂在肛周脓肿根治术后的应用效果。方法:选取2021年6月—2023年6月唐山市中医医院收治的104例肛周脓肿患者,患者均进行肛周脓肿根治术治疗,术后采用随机数字法分为两组,对照组(35例)采用复方黄柏液涂剂治疗,联合组(34例)采用泻火解毒止痛汤联合复方黄柏液涂剂治疗。治疗10 d后,评估两组临床疗效、中医症候积分、炎症因子水平及安全性。结果:联合组总有效率高于对照组(97.05%vs 74.29%,Pe2(PGe2)、CXC趋化因子配体13(CXCL13)水平均低于对照组[(43.31±5.94)ng/mL,(19.48±3.41)ng/m L,(71.43±8.14)ng/mL vs(51.25±6.28)ng/mL,(25.63±4.11)ng/mL,(82.12±9.02)ng/mL](P0.05)。结论:泻火解毒止痛汤联合复方黄柏液涂剂在肛周脓肿根治术后有良好应用效果,可减轻患者主要中医症候,降低炎症因子水平。

关键词：肛周脓肿泻火解毒止痛汤复方黄柏液涂剂疗效炎症因子

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Quafu-RL:The cloud quantum computers based quantum reinforcement learning

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Chinese Physics B 2024年第5期33卷 29-34页

作者：靳羽欣许宏泽王正安庄伟峰黄凯旋时运豪马卫国李天铭陈驰通许凯冯玉龙刘培陈墨李尚书杨智鹏钱辰马运恒肖骁钱鹏顾炎武柴绪丹普亚南张翼鹏魏世杰曾进峰李行龙桂鲁金贻荣于海峰范桁刘东胡孟军 Beijing Academy of Quantum Information Sciences Beijing 100193China State Key Laboratory of Low Dimensional Quantum Physics Department of PhysicsTsinghua UniversityBeijing 100084China Institute of Physics Chinese Academy of SciencesBeijing 100190China Frontier Science Center for Quantum Information Beijing 100184China School of Physical Sciences University of Chinese Academy of SciencesBeijing 100190China CAS Center for excellence in Topological Quantum Computation University of Chinese Academy of SciencesBeijing 100190China School of mathematical Sciences Nankai UniversityTianjin 300071China

With the rapid advancement of quantum computing,hybrid quantum–classical machine learning has shown numerous potential applications at the current stage,with expectations of being achievable in the noisy intermediate-scale quantum(NISQ)*** reinforcement learning,as an indispensable study,has recently demonstrated its ability to solve standard benchmark environments with formally provable theoretical advantages over classical ***,despite the progress of quantum processors and the emergence of quantum computing clouds,implementing quantum reinforcement learning algorithms utilizing parameterized quantum circuits(PQCs)on NISQ devices remains *** this work,we take the first step towards executing benchmark quantum reinforcement problems on real devices equipped with at most 136 qubits on the BAQIS Quafu quantum computing *** experimental results demonstrate that the policy agents can successfully accomplish objectives under modified conditions in both the training and inference ***,we design hardware-efficient PQC architectures in the quantum model using a multi-objective evolutionary algorithm and develop a learning algorithm that is adaptable to quantum *** hope that the Quafu-RL can be a guiding example to show how to realize machine learning tasks by taking advantage of quantum computers on the quantum cloud platform.

关键词： quantum cloud platform quantum reinforcement learning evolutionary quantum architecture search

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