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Insight into the influence of ether and ester electrolytes on the sodium-ion transportation kinetics for hard carbon

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Nano Research 2023年第8期16卷 10922-10930页

作者： Xiuping Yin Zhaomin Wang Yang Liu zhixiu lu Hongli Long Tao Liu Jiujun Zhang Yufeng Zhao College of Sciences&Institute for Sustainable Energy Shanghai UniversityShanghai 200444China

The electrochemical performance of hard carbon(HC)materials is closely related to the electrolyte used in the sodium ion batteries(SIBs).Conventional electrolytes carbonate(EC)demonstrates low initial Columbic efficiency(ICE)and poor rate performance,which is one of the main bottlenecks that limits the practical application of *** electrolyte(diglyme)was reported to improve the rate performance of ***,the underlying mechanism for the excellent rate capability is still lack of in-depth *** this work,the differences of sodium-ion diffusion between ether and carbonate-base electrolytes in HCs are analyzed layer by ***,when sodium-ions are diffused in electrolyte,the diffusion coefficient of sodium-ion in ether electrolyte is about 2.5 times higher than that in ester electrolytes by molecular dynamics(MD)simulation and experimental ***,when the solvated sodium-ions are diffused into the solid electrolyte interphase(SEI)interface and the HCs material,the enhanced charge transfer kinetics(thin SEI layer(4.6 vs.12 nm)and low RSEI(1.5 vs.24Ω))at the SEI combined with low desolvation energy(0.248 eV)are responsible for high-rate performance and good cycling stability of HC in ether ***,high diffusion coefficient,low desolvation energy,and good interface are the intrinsic reasons for enhanced rate performance in ether electrolyte,which also has guiding significance for the design of other high-rate electrolytes.

关键词： sodium-ion batteries hard carbon(HC) ether electrolyte desolvation energy transportation kinetics

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同心双圆环支撑结构在深基坑中的设计应用

水泥工程 2019年第4期 86-88页

作者：陆志秀中国建筑材料工业地质勘查中心江苏总队

环形支撑常见于深基坑工程中,其具有刚度大、稳定性强等特点,作为支撑结构受力分布合理。本文结合南京某深基坑工程设计项目,区别于传统的环形支撑,采用刚度和稳定性更高的同心双圆环支撑结构,应用于深基坑工程中,设计计算结果合理,各... 详细信息

环形支撑常见于深基坑工程中,其具有刚度大、稳定性强等特点,作为支撑结构受力分布合理。本文结合南京某深基坑工程设计项目,区别于传统的环形支撑,采用刚度和稳定性更高的同心双圆环支撑结构,应用于深基坑工程中,设计计算结果合理,各项安全性均满足要求。

关键词：双圆环支撑深基坑支护结构

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单支点嵌岩支护桩在超深基坑中的设计应用

水泥工程 2020年第1期 84-86页

作者：陆志秀中国建筑材料工业地质勘查中心江苏总队江苏南京211135

传统的混凝土排桩支护结构具有刚度大,稳定性强等特点,支护桩入岩后,可以有效的防止踢脚破坏的发生。本文结合南京江宁某基坑工程设计实例,采用传统的混凝土排桩支护加一道混凝土支撑的支护结构形式,应用于超深基坑工程中,设计计算结果... 详细信息

传统的混凝土排桩支护结构具有刚度大,稳定性强等特点,支护桩入岩后,可以有效的防止踢脚破坏的发生。本文结合南京江宁某基坑工程设计实例,采用传统的混凝土排桩支护加一道混凝土支撑的支护结构形式,应用于超深基坑工程中,设计计算结果满足各项安全性要求。

关键词：嵌岩桩超深基坑支护结构

浅谈供给侧改革下的供应链优化问题——以云南蒙自石榴为例

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物流科技 2020年第4期43卷 136-138页

作者：谢波鲁智秀昆明理工大学管理与经济学院云南昆明650093

经过多年的努力,我国的经济不断发展迈入了新台阶。农业的主要矛盾由总量不足转变为结构性矛盾,突出表现为阶段性供过于求和供给不足并存,矛盾的主要方面在供给侧。供给侧改革的实施,对于云南蒙自石榴是难得的机会。蒙自石榴供应链的供... 详细信息

经过多年的努力,我国的经济不断发展迈入了新台阶。农业的主要矛盾由总量不足转变为结构性矛盾,突出表现为阶段性供过于求和供给不足并存,矛盾的主要方面在供给侧。供给侧改革的实施,对于云南蒙自石榴是难得的机会。蒙自石榴供应链的供给侧改革需要种植户、经销商、企业共同合作,降低成本,扩大石榴的有效供给,提高蒙自石榴供给结构对需求结构变化的时效性,适应性和灵活性。可以解决蒙自石榴在供应链过程中存在的低质量和低效率的问题,优化供应链过程,以及降低了蒙自石榴在运输过程中的配送成本和减少了诸多库存。

关键词：供应链蒙自石榴供给侧改革

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基础内预埋锚杆抗拔试验研究

水泥工程 2018年第6期 77-79页

作者：陆志秀薛之军种正江中国建筑材料工业地质勘查中心江苏总队江苏南京211135 邯郸中材建设有限责任公司河北邯郸211100

通过对建筑基础筏板内预埋锚杆进行抗拔试验检测其抗拔承载性能,对锚杆周围混凝土受抗拔力破坏形式进行研究。研究表明:在埋入锚杆最底端加拧1个螺母,起扩大头作用,增大锚杆侧阻力,较好地固定锚杆,抗拔试验破坏时,断裂部位发生在千斤顶... 详细信息

通过对建筑基础筏板内预埋锚杆进行抗拔试验检测其抗拔承载性能,对锚杆周围混凝土受抗拔力破坏形式进行研究。研究表明:在埋入锚杆最底端加拧1个螺母,起扩大头作用,增大锚杆侧阻力,较好地固定锚杆,抗拔试验破坏时,断裂部位发生在千斤顶施加荷载作用点附近,而并非将锚杆整体拔出;加载至锚杆材料屈服破坏点对应荷载739 kN附近,荷载-位移曲线呈线性变化,加载量大于该值后,锚杆塑性变形逐渐发展,抗拔过程主要是锚杆杆体自身形变的过程,前半阶段主要为弹性变形,后半阶段主要为塑性变形,直至锚杆被拉断;从筏板内锚杆取芯样来看,抗拔对锚杆周边混凝土产生一定拉裂,裂缝不大,主要在上部300 mm处。

关键词：预埋锚杆抗拔试验塑性破坏

Effect of chiropractic manipulation on disrupted epithelium barrier and its mechanism of specialized pro-resolving mediators in a spleen-deficiency murine model

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Journal of Traditional Chinese Medicine 2019年第5期39卷 678-684页

作者： Xiong Ying Song zhixiu Gu Yun Qin Yuhang Wei Jiangfei lu Jinlu Zhu Y Teaching and Research Section of Tuina the Second Clinical Medical CollegeNanjing University of Chinese Medicine Nanjing 210023China Teaching and Research Section of Nutrition the Second Clinical Medical CollegeNanjing University of Chinese MedicineNanjing 210023China Laboratory of Acupuncture and Medicine Research of Ministry of Education the Second Clinical Medical CollegeNanjing University of Chinese MedicineNanjing 210023China

OBJECTIVE: To investigate the influence of spleen deficiency on the epithelial barrier of jejunum and lungs in a rat model of spleen-deficiency and the effect and potential specialized pro-resolving mediators (SPMs) mechanism of chiropractic manipulation. METHODS: Three-week-old male Sprague-Dawley rats were divided randomly into normal control group (n = 6), spleen-deficiency group (n = 5) and chiropractic group (n = 6). Spleen-deficiency model was induced in spleen-deficiency group and chiropractic group. Moreover, chiropractic manipulation was performed in chiropractic group. Four weeks later, systemic Th1/Th2 balance was evaluated by the ratio of plasma interferon (IFN)-γ/interleukin (IL)-4 levels by enzyme-linked immunosorbent assay (ELISA). Epithelial barrier integrity were assessed by the observation of morphological changes by hematoxylin-eosin staining and zonula occludens (ZO)-1 gene expressions by quantitative real time polymerase chain reaction in jejunum and lungs. Plasma resolvin D1 (RvD1) and lipoxin A4 (LXA4) levels were measures by ELISA for endogenous SPMs production. The levels of docosahexaenoic acid (DHA) and arachidonic acid (AA) in jejunum and lungs were also measured by HPLC-MS/ MS. RESULTS: Comparing with normal control group, spleen-deficiency group showed disrupted mucosa in jejunum, inflammatory condition in lungs, significantly decreased ratio of plasma IFN-γ/IL-4 levels and lower expressions of ZO-1 mRNA in both jejunum and lung tissues. Comparing with spleen-deficiency group, chiropractic group had less disrupted mucosa in jejunum and inflammatory condition in lungs, significantly increased systemic ratio of IFN-γ/IL-4 and expressions of ZO-1 mRNA in both jejunum and lung tissues. Chiropractic group had significantly enhanced plasma levels of RvD1 and LXA4, but had no significantly higher levels of DHA and AA in jejunum and lungs when comparing with spleen-deficiency group. CONCluSION: Spleen deficiency caused systemic Th1/Th2 imbalanc

关键词： Manipulation, chiropractic Th1-Th2 balance Epithelial barrier Specialized pro-resolving mediators Spleen deficiency

Gene expression of vascular endothelial growth factor A and hypoxic adaptation in Tibetan pig

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Journal of Animal Science and Biotechnology 2016年第4期7卷 474-481页

作者： Bo Zhang Yangzong Qiangba Peng Shang Yunfeng lu Yuzeng Yang zhixiu Wang Hao Zhang National Engineering Laboratory for Animal Breeding China Agricultural University College of Agriculture and Animal Husbandry Tibet University School of life science & technology Nanyang normal University Hebei Provincial Husbandry and Veterinary Research Institute

Background： Vascular endothelial growth factor A （VEGFA） can induce endothelial cell proliferation, promote cell migration, and inhibit apoptosis. These processes play key roles in physiological blood vessel formation and pathological angiogenesis. Methods： In this study, we examined VEGFA gene expression in the heart, liver, and kidney of Tibetan pigs （-I-P）, Yorkshire pigs that migrated to high altitudes （YH）, and Yorkshire pigs that lived at low altitudes （YL）. We used PCR and Sanger sequencing to screen for single nucleotide polymorphisms （SNPs） in 5＇-flanking DNA and exons of the VEGFA gene. Quantitative real-time PCR and western blots were used to measure expression levels and PCR products were sequenced. Results： Results showed that the VEGFA mRNA and protein expression in heart, liver and kidney of TP was higher than that in YH and YL. In addition, the mRNA sequence of the pig VEGFA gene was conserved among pig breeds, and only five SNPs were found in the 5＇-flanking region of the VEGFA gene, the allele frequency distributions of the 5 SNPs were not significantly different between the TP, Yorkshire （YL）, and Diannan small-ear （DN） pig populations. Conclusion： In conclusion, the Tibetan pig showed high tissues, which suggests that the VEGFA gene may play a levels of VEGFA gene expression in several hypoxic major functional role in hypoxic adaptation.

关键词： Gene expression Hypoxic adaptation Tibetan pig VEGFA gene