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Influence of Fe on Microstructure and Mechanical Properties in Pdoped Ni–Cr–Fe Alloys

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Acta Metallurgica Sinica(English Letters) 2019年第6期32卷 771-779页

作者： xin-Tong lian Wen-Ru Sun xin xin Fang Liu Dan-Dan Zheng Institute of Metal Research Chinese Academy of SciencesShenyang 110016China School of Materials Science and Engineering Shanghai UniversityShanghai 200444China

The influence of Fe on the microstructure and mechanical properties of P-doped Ni–Cr–Fe alloys has been *** showed that increasing Fe content refined the dendrite microstructure and enhanced the solubility of P in as-cast *** change of microhardness in different dendrite regions was attributed to the segregation of P atoms in solid solution state,which had strengthening *** Fe contents from 15.2 to 60.7 wt%reduced the yield strength and tensile strength but had little influence on the elongation of *** stress rupture life of alloys after heat treatment decreased with the increment of Fe contents,and the failure fracture modes transferred from transgranular to intergranular fracture *** change of fracture modes was due to the weakness of grain boundaries caused by the increment of *** addition,the precipitation of M23C6 was believed to be related to the segregation of P toward grain boundaries,which led to the fluctuation of carbon and chromium atoms near the grain boundaries in alloys with low Fe ***,the increment of Fe decreased the strength of matrix and changed the existence of P atoms and the precipitates at grain boundaries.

关键词： Fe P Segregation Precipitate Mechanical properties

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青稞分蘖角度的QTL定位

作物学报 2025年第1期51卷 260-272页

作者：杨景发余鑫莲姚有华姚晓华王蕾吴昆仑李新青海大学农林科学院/青海省作物分子育种重点实验室/青海省青稞遗传育种重点实验室/青藏高原种质资源研究与利用实验室/青海大学省部共建三江源生态与高原农牧业国家重点实验室青海西宁810016

分蘖角度是青稞株型的主要构成因素,在提高青稞产量与抗倒伏性中发挥着极为重要的作用。为解析青稞分蘖角度的遗传机制,本研究以青稞品种‘达章紫’(株型松散)和‘昆仑10号’(株型紧凑)为亲本构建的RIL群体为材料,基于高密度遗传图谱,... 详细信息

分蘖角度是青稞株型的主要构成因素,在提高青稞产量与抗倒伏性中发挥着极为重要的作用。为解析青稞分蘖角度的遗传机制,本研究以青稞品种‘达章紫’(株型松散)和‘昆仑10号’(株型紧凑)为亲本构建的RIL群体为材料,基于高密度遗传图谱,在多环境中进行青稞分蘖角度的QTL定位,并利用RIL群体衍生的剩余杂合系,对鉴定到的主效QTLqTA7H-1进行精细定位。在青稞7条染色体上共检测到9个控制分蘖角度的QTL,解释表型变异为6.41%~33.57%,其中,qTA3H-1和qTA7H-1为多环境共检测的主效QTL,平均加性效应分别为5.42°(增效)和-3.87°(减效);在减效QTL qTA7H-1初定位区间筛选到4个剩余杂合体,自交衍生F8:9近等基因系,在置信区间内加密设计14对分子标记对RHL群体极端单株进行检测,利用获得的5种交换类型单株,将qTA7H-1进一步界定在PC08(32,252,397)与PA10(41,790,765)约9.54Mb的物理区间内。本研究初步揭示调控青稞分蘖角度的遗传因子,为开展分蘖角度性状的遗传改良与分子设计育种奠定了基础。

关键词：青稞分蘖角度 QTL定位主效位点

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A New Strategy for Restraining Dynamic Strain Aging in GH4169 Alloy During Tensile Deformation at High Temperature

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Acta Metallurgica Sinica(English Letters) 2022年第11期35卷 1895-1902页

作者： xin-Tong lian Jin-Lan An Lei Wang Han Dong School of Materials Scienceand Engineering Shanghai UniversityShanghai 200444China Key Laboratory of Fundamental Science for National Defense of Aeronautical Digital Manufacturing Process Shenyang Aerospace UniversityShenyang 110136China Key Lab for Anisotropy and Texture of Materials Ministry of EducationNortheastern UniversityShenyang 110819China

The dynamic strain aging(DSA) behavior was investigated in GH4169 alloy during tensile deforming with electric-pulse current(EPC) at 750 ℃.The results show that DSA is restrained in the alloy when deformed with 40 *** size ofγ " phase inner grains increases obviously and δ phase is facilitated to precipitate on grain boundary in the alloy applied with EPC,due to the promotion effect of EPC on the diffusion and segregation of *** electron microscopy(TEM)results indicate that dislocations can cut through small γ" precipitate with the size of less than 10 nm,while dislocations can only bypass dislocations when γ " precipitate grow up over 20 *** growth of precipitates consumes large amounts of atoms as well as the velocity of dislocation increase,which makes dislocations difficult to be ***,when γ" precipitates grow up to a large size more than the critical size of dislocation pinning,DSA is significantly restrained in the alloy after necking deformed with EPC.

关键词： GH4169 alloy Electric-pulse current Dynamic strain aging Microstructure

Management of pseudomyxoma peritonei

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World Journal of Gastroenterology 2006年第38期12卷 6124-6127页

作者： Zhi-Bo Qu lian-xin Liu Department of General Surgery First Clinical College of Harbin Medical University Harbin 150001 Heilongjiang Province China

Pseudomyxoma peritonei (PMP) is a rare disease. It refers to a progressive disease process within the peritoneum which originates from the appendix or ovaries and is characterised by the production of copious amounts of mucinous fluid resulting in a “jelly belly”. If untreated the condition is fatal. The traditional approach to PMP is based on repeated surgical debulking procedures, often associated with intraperitoneal or systemic chemotherapy. The natural history of this disease has been drastically modified since the introduction of a new surgical approach defined as a peritonectomy procedure. This paper is to review the literature on this treatment strategy.

关键词： Pseudomyxoma peritonei Peritonectomy Hyperthermic intraperitoneal chemotherapy Sugarbaker procedures

Sodium Enrichment in Yellow Supergiants:a Perspective from the Uncertainties of Reaction Rates

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Chinese Journal of Astronomy and Astrophysics 2008年第6期8卷 700-706页

作者： Lei Zhao Qiu-He Peng xin-lian Luo Department of Astronomy Nanjing University Nanjing 210093 China

Sodium overabundance in yellow supergiants has stumped people for more than 20 years. The purpose of this paper is to explore this problem from the perspective of nuclear physics. We investigate carefully the CNO and NeNa cycles that are responsible for sodium production. We investigate some key reactions in the appropriate network. We show whether and how the sodium output can be affected by the rate uncertainties in these reactions. In this way, we evaluate if a reaction is important enough to deserve a better determination of its rate in terrestrial laboratories.

关键词： nuclear reactions nucleosynthesis stars: abundances supergiants

Disk Stability of the Milky Way Near the Sun

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Chinese Physics Letters 1999年第12期16卷 931-933页

作者： LUO xin-lian PENG Qiu-he Department of Astronomy Nanjing UniversityNanjing 210093 Chinese Academy of Sciences-Peking University Joint Beijing Astrophysical Center Beijing UniversityBeijing 100871

By solving Poisson's equation for logarithmic density disturbance in three-dimensional (3D) spiral galaxies, the disturbed potential can be given on the disk. Combining it with the corresponding dispersion relation, the local gravitational stability of our galaxy is discussed here. We have generalized the Toomre's stability criterion to the more realistic 3D galaxy models. The generalized Toomre's parameter Q near the sun is 2.08 or 2.20 for two or four armed spiral galaxy models, respectively.

关键词： stability criterion disturbed

Palladium-catalyzed enantioselective carbonylation reactions

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Science China Chemistry 2022年第3期65卷 441-461页

作者： Jin-Bao Peng xin-lian Liu Lin Li Xiao-Feng Wu School of Biotechnology and Health Sciences Wuyi UniversityJiangmen 529020China Dalian National Laboratory for Clean Energy Dalian Institute of Chemical PhysicsChinese Academy of SciencesLiaoning 116023China Leibniz-Institut für Katalyse e.V. Albert-Einstein-Straße 29aRostock 18059Germany

Carbonylation,one of the most powerful approaches to the preparation of carbonylated compounds,has received significant attention from researchers active in various ***,impressive progress has been made on this subject over the past few *** the various types of carbonylation reactions,asymmetric carbonylation is a straightforward methodology for constructing chiral *** rhodium-catalyzed enantioselective hydroformylations have been discussed in several elegant reviews,a general review on palladium-catalyzed asymmetric carbonylations is still *** this review,we summarize and discuss recent achievements in palladium-catalyzed asymmetric carbonylation ***,this review’s contents are categorized by reaction type.

关键词： palladium catalyst enantioselective carbonylation chiral

Classification of musical hallucinations and the characters along with neural-molecular mechanisms of musical hallucinations associated with psychiatric disorders

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World Journal of Psychiatry 2024年第9期14卷 1386-1396页

作者： xin lian Wei Song Tian-Mei Si Naomi Zheng lian Department of Radiology and Biomedical Imaging Shanxi Bethune HospitalShanxi Academy of Medical SciencesTaiyuan 030032Shanxi ProvinceChina Department of Psychiatry and Behavioral Neurosciences McMaster UniversityHamilton L8S 4L8ONCanada Department of Psychopharmacology Peking University Sixth HospitalBeijing 100191China Department of Psychiatry Hartford HealthCareSt Vincent’s Medical CenterWestportCT 06088United States

BACKGROUND Musical hallucinations(MH)involve the false perception of music in the absence of external stimuli which links with different *** pathomechanisms of MH encompass various *** etiological classification of MH is of particular importance and offers valuable insights to understand MH,and further to develop the effective treatment of *** the recent decades,more MH cases have been reported,revealing newly identified medical and psychiatric causes of *** imaging studies reveal that MH activates a wide array of brain *** up-to-date analysis on MH,especially on MH comorbid psychiatric conditions is *** To propose a new classification of MH;to study the age and gender differences of MH in mental disorders;and neuropathology of *** Literatures searches were conducted using keywords such as“music hallucination,”“music hallucination and mental illness,”“music hallucination and gender difference,”and“music hallucination and psychiatric disease”in the databases of PubMed,Google Scholar,and Web of *** cases were collected and categorized based on their *** t-test and ANOVA were employed(P<0.05)to compare the age differences of MH different etiological *** neuroimaging studies of neural networks regulating MH and their possible molecular mechanisms were *** Among the 357 yielded publications,294 MH cases were *** average age of MH cases was 67.9 years,with a predominance of females(66.8%females vs 33.2%males).MH was classified into eight groups based on their etiological *** analysis of MH cases indicates varying associations with psychiatric *** We carried out a more comprehensive review of MH *** the first time according to our knowledge,we demonstrated the psychiatric conditions linked and/or associated with MH from statistical,biological and molecular point of view.

关键词： Pathomechanism Etiological factors Classification Gender difference Neuropathway Psychotic musical hallucination and non-psychotic musical hallucination Neuropathway Biological and molecular mechanism

A simplified method for the determination of vertically loaded pile-soil interface parameters in layered soil based on FLAC3D

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Frontiers of Structural and Civil Engineering 2016年第1期10卷 103-111页

作者： Jiu-jiang WU Yan LI Qian-gong CHENG Hua WEN xin lian School of Civil Engineering and Architecture Southwest University of Science and Technology Mianyang 621010 China Department of Geological Engineering Southwest Jiaotong University Chengdu 610031 China Faculty of Civil Engineering Guangxi University of Science and Technology Liuzhou 545006 China

The numerical analysis of pile-soil interaction commonly requires a lot of trial works to determine the interface parameters and the accuracy cannot be ensured normally. Considering this, this paper first conducts a sensitivity analysis to figure out the influence of interface parameters on the bearing behavior of a single pile in sand. Then, a simplified method for the determination of pile-soil interface parameters in layered soil is proposed based on the parameter studies. Finally, a filed loading test is used for the validation of the simplified method, and the calculated results agree well with the monitoring data. In general, the simplified method proposed in this paper works with higher accuracy and consumes less time compared with the traditional trial works, especially on the determinations ofinterfacial cohesive and interracial friction angle.

关键词： determination of interface parameters pile-soil interaction FLAC3D sensitivity analysis layered soil