检索结果-南通市图书馆

Low-temperature chlorination roasting technology for the simultaneous recovery of valuable metals from spent liCoO_(2)cathode material

在线全文

学校读者我要写书评

暂无评论

International Journal of Minerals,Metallurgy and Materials 2025年第1期32卷 80-91页

作者： Junjie shi Changle Hou Jingjing dong dong Chen Jianzhong li Key Laboratory for Ecological Metallurgy of Multimetallic Mineral(Ministry of Education) Northeastern UniversityShenyang 110819China School of Metallurgy Northeastern UniversityShenyang 110819China

With the continuous increase in the disposal volume of spent lithium-ion batteries(liBs),properly recycling spent liBs has become essential for the advancement of the circular *** study presents a systematic analysis of the chlorination roasting kinetics and proposes a new two-step chlorination roasting process that integrates thermodynamics for the recycling of liB cathode *** activation energy for the chloride reaction was 88.41 kJ/mol according to thermogravimetric analysis–derivative thermogravimetry data obtained by using model-free,model-fitting,and Z(α)function(αis conversion rate).Results indicated that the reaction was dominated by the first-order(F1)model when the conversion rate was less than or equal to 0.5 and shifted to the second-order(F2)model when the conversion rate exceeded *** conditions were determined by thoroughly investigating the effects of roasting temperature,roasting time,and the mass ratio of NH_(4)Cl to liCoO_(2).Under the optimal conditions,namely 400℃,20 min,and NH_(4)Cl/liCoO_(2)mass ratio of 3:1,the leaching efficiency of li and Co reached 99.43% and 99.05%,*** of the roasted products revealed that valuable metals in liCoO_(2)transformed into CoCl_(2) and ***,the reaction mechanism was elucidated,providing insights for the establishment of a novel low-temperature chlorination roasting technology based on a crystal structure *** technology can guide the development of liB recycling processes with low energy consumption,low secondary pollution,high recovery efficiency,and high added value.

关键词： spent lithium-ion battery thermodynamics chlorination roasting kinetics circular economy

Study on One-Dimensional Model of Traffic Flow with Stochastic Deceleration via Lattice Boltzmann Method

在线全文

学校读者我要写书评

暂无评论

Journal of Shanghai University(English Edition) 2001年第2期5卷 104-106页

作者： XUE Yu, dong li yun, DAI shi qiang Shanghai Institute of Applied Mathematics and Mechanics, Shanghai University, Shanghai 200072, China Shanghai Institute of Applied Mathematics and Mechanics Shanghai University Shanghai China

One dimensional traffic model was studied with the consideration of stochastic deceleration by using the lattice Boltzmann method. The evolution equation for vehicle density was derived, which has the form of the Burgers equation exhibiting the effect of viscosity corresponding to the deceleration. The simulation with the model shows that the variation of vehicle density in space tends to a periodic one, which implies the existence of kinematic waves in the 1D traffic flow and coincides with theoretical prediction.

关键词： lattice Boltzmann method traffic flow Burgers equation

Agrobacterium-Mediated Transformation of Embryogenic Calli of Anliucheng and Regeneration of Plants Containing the Chimaeric Ribonuclease Gene

在线全文

学校读者我要写书评

暂无评论

Agricultural Sciences in China 2003年第2期2卷 127-131页

作者： li dong-dong, shi Wei and DENG Xiu-xinNational Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University , Wuhan 430070 , P. R. China National Key Laboratory of Crop Genetic Improvement Huazhong Agricultural University Wuhan 430070 P. R. China

Anliucheng (Citrus sinensis Osbeck), a very seedy and widely spread acidless sweet orange cul-tivar in south of China, was transformed by the strain of Agrobacterium Tumefaciens EHA105 carrying pTA29-barnase gene, which will induce pollen sterility in transgenic plants. The embryogenic calli of Anliucheng were co-cultivated with Agrobacterium tumefaciens for 3 days, and then transferred to selective medium containing 50 mg I/1 basta (a kind of herbicide) for 5 weeks. The resistant calli were recovered and regenerated 118 embryoids. A total of 13 entire plants were obtained after micro-grafted on trifoliate orange. These regenerated plants were verified by PCR amplification and confirmed by PCR-Southern blotting analysis.

关键词： Citrus Calli pTA-barnase Genetic transformation Agrobacterium-mediated

Paired quasi-periodic pulsations of hard X-ray emission in a solar flare

在线全文

学校读者我要写书评

暂无评论

Science China(Physics,Mechanics & Astronomy) 2023年第5期66卷 195-206页

作者： Hai-Sheng Zhao dong li Shao-lin Xiong Yan-Qiu Zhang Yang Su Wei Chen Yi Zhao Xiao-Bo li Jia-Cong liu Wen-Xi Peng Rui Qiao Xin-Qiao li Xiang-Yang Wen li-Ming Song shi-Jie Zheng Xin-Ying Song Xiao-Yun Zhao Yue Huang Shuang-Nan Zhang Shuo Xiao Ce Cai Zheng-Hua An Can Chen Gang Chen Wei Chen Yan-Qi Du Min Gao Ke Gong dong-Ya Guo Zhi-Wei Guo Jian-Jian He Bin li Chao li Chao-Yang li Gang li Jian-Hui li Lu li Qing-Xin li Yan-Guo li Jing liang Xiao-Hua liang Jin-Yuan liao Xiao-Jing liu Ya-Qing liu Qi Luo Xiang Ma Bin Meng Ge Ou dong-li shi Jing-Yan shi Gong-Xing Sun Xi-Lei Sun You-li Tuo Chen-Wei Wang Hui Wang Jin Wang Jin-Zhou Wang Ping Wang Wen-Shuai Wang Hong Wu Sheng-Lun Xie Yan-Bing Xu Yu-Peng Xu Wang-Chen Xue Sheng Yang Min Yao Jian-Ying Ye Qi-Bin Yi Chao-Yue Zhang Da-li Zhang Fan Zhang Fei Zhang Hong-Mei Zhang Kai Zhang Peng Zhang Xiao-Lu Zhang Zhen Zhang Guo-Ying Zhao shi-Yi Zhao Chao Zheng Xing Zhou Yue Zhu Key Laboratory for Particle Astrophysics Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China Purple Mountain Observatory Chinese Academy of SciencesNanjing 210023China University of Chinese Academy of Sciences Beijing 100049China Department of Astronomy Beijing Normal UniversityBeijing 100875China School of Computing and Artificial Intelligence Southwest Jiaotong UniversityChengdu 611756China Physics and Space Science College China West Normal UniversityNanchong 637002China Key Laboratory of Stellar and Interstellar Physics and Department of Physics Xiangtan UniversityXiangtan 411105China Institute of Astrophysics Central China Normal UniversityWuhan 430079China School of Physics Changchun University of Science and TechnologyChangchun 130022China College of Physics and Engineering Qufu Normal UniversityQufu 273165China College of Physics Sciences&Technology Hebei UniversityBaoding 071002China

We investigate high time resolution data obtained by the Gravitational wave high-energy Electromagnetic Counterpart All-sky Monitor(GECAM)during the flare event on 2022 April 21 at 01:52 *** subpeaks with durations of 4-6 s have been detected in the hard X-ray precursor phase,and the key feature is that they appear in pairs and seem like double-peak *** subpeaks are rarely observed in hard X-ray band and confirmed by the microwave obtained by Nobeyama Radio Polarimeters(NoRP)and Radio Solar Telescope Network(RSTN).While an exponential function can describe the continuum component of the time profile from the precursor to part of the impulsive *** periods of quasi-periodic pulsations(QPPs)are detected to be about 7.3 and 12.8 s for the precursor and impulsive phase,respectively,with at least 95%confidence *** paired QPPs are assumed to be double-peak QPPs and then the scenario of current loop coalescence model is found to be in good agreement with our *** precursor phase can be interpreted as the oscillating coalescence of two islands,while the impulsive phase can be interpreted as more islands to coalesce one by one to form larger islands.

关键词： solar flare QPPs loop coalescence circular-ribbon flare

在线全文

学校读者我要写书评

暂无评论

低透过率下隧道照明亮度对能见度的影响

光子学报 2017年第2期46卷 14-21页

作者：董丽丽石娜张利东秦莉许文海大连海事大学信息科学技术学院光电实验室辽宁大连116026 吉林省高等级公路建设局长春130012

为了研究低透过率下隧道照明亮度对能见度的影响,为低透过率条件下隧道照明亮度的调节提供依据,分别以两种不同光谱特性的摄像机作为观测装置获得了透过率、照明亮度、目标/背景对比度三者之间的变化关系.实验结果表明:目标/背景对比度... 详细信息

为了研究低透过率下隧道照明亮度对能见度的影响,为低透过率条件下隧道照明亮度的调节提供依据,分别以两种不同光谱特性的摄像机作为观测装置获得了透过率、照明亮度、目标/背景对比度三者之间的变化关系.实验结果表明:目标/背景对比度随照明亮度的增加而增加,两者呈非线性关系;透过率限定了目标/背景对比度所能达到的最大值;在一定的亮度范围内,提高亮度增加目标/背景对比度可以有效改善能见度.当照明亮度较高时,提高照明亮度对能见度影响不大;当照明亮度较低时,提高照明亮度对能见度提高的效果明显.因此,根据透过率按比例调节照明亮度能保证能见度和行车安全.

关键词：隧道照明透过率照明亮度目标/背景对比度能见度

Single-cell omics: experimental workflow, data analyses and applications

在线全文

学校读者我要写书评

暂无评论

Science China life Sciences 2025年第1期68卷 5-102页

作者： Fengying Sun Haoyan li dongqing Sun Shaliu Fu Lei Gu Xin Shao Qinqin Wang Xin dong Bin Duan Feiyang Xing Jun Wu Minmin Xiao Fangqing Zhao Jing-dong J.Han Qi liu Xiaohui Fan Chen li Chenfei Wang Tieliu shi Department of Clinical Laboratory the Affiliated Wuhu Hospital of East China Normal University (The Second People's Hospital of Wuhu City) Pharmaceutical Informatics Institute College of Pharmaceutical SciencesZhejiang University Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration (Tongji University) Ministry of EducationOrthopaedic DepartmentTongji HospitalBioinformatics DepartmentSchool of Life Sciences and TechnologyTongji University Frontier Science Center for Stem Cells School of Life Sciences and TechnologyTongji University Translational Medical Center for Stem Cell Therapy and Institute for Regenerative Medicine Shanghai East HospitalBioinformatics DepartmentSchool of Life Sciences and TechnologyTongji University Research Institute of Intelligent Computing Zhejiang Lab Shanghai Research Institute for Intelligent Autonomous Systems Center for Single-cell Omics School of Public HealthShanghai Jiao Tong University School of Medicine National Key Laboratory of Chinese Medicine Modernization Innovation Center of Yangtze River DeltaZhejiang University Center for Bioinformatics and Computational Biology Shanghai Key Laboratory of Regulatory Biologythe Institute of Biomedical Sciences and School of Life SciencesEast China Normal University Beijing Institutes of life Science Chinese Academy of Sciences Peking-Tsinghua Center for life Sciences Academy for Advanced Interdisciplinary StudiesCenter for Quantitative Biology (CQB)Peking University Zhejiang Key Laboratory of Precision Diagnosis and Therapy for Major Gynecological Diseases Women's HospitalZhejiang University School of Medicine Key Laboratory of Advanced Theory and Application in Statistics and Data Science-MOE School of StatisticsEast China Normal University

Cells are the fundamental units of biological systems and exhibit unique development trajectories and molecular features. Our exploration of how the genomes orchestrate the formation and maintenance of each cell, and control the cellular phenotypes of various organismsis, is both captivating and intricate. Since the inception of the first single-cell RNA technology, technologies related to single-cell sequencing have experienced rapid advancements in recent years. These technologies have expanded horizontally to include single-cell genome, epigenome,proteome, and metabolome, while vertically, they have progressed to integrate multiple omics data and incorporate additional information such as spatial sc RNA-seq and CRISPR screening. Single-cell omics represent a groundbreaking advancement in the biomedical field,offering profound insights into the understanding of complex diseases, including cancers. Here, we comprehensively summarize recent advances in single-cell omics technologies, with a specific focus on the methodology section. This overview aims to guide researchers in selecting appropriate methods for single-cell sequencing and related data analysis.

关键词： single-cell sequencing genome epigenome proteomics metabolomics multimodal spatial transcriptomics CRISPR screening

Deformations of carbon nanotubes

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

Deformations of carbon nanotubes

O—GlcNAc糖基化对Nalm-6细胞生物学行为及依托泊苷诱导凋亡的影响

第五届国际非线性力学会议

作者： dong-li shi (Department of Mechanics Shanghai University Shanghai 200444 China)

＜正＞The purpose of this paper is to study the deformation process of single wall CNTs in tensile strain.A hybrid continuum/atomistic model is adopted in this *** is shown that,even without a preexisting defect,a defect like the form of Stone-Wales transformation may nucleate in the CNT at the critical tensile *** nucleated defect later becomes the site of bond breaking,and is therefore the precursor of CNT failure.

关键词：

来源： cnki会议评论

在线全文

cnki会议

学校读者我要写书评

暂无评论

中华血液学杂志 2017年第3期38卷 237-242页

作者：张冰李栋时庆鞠秀丽山东大学齐鲁医院儿科济南250012

目的研究O连接的N-乙酰葡萄糖胺（O-GlcNAc）糖基化及乙酰氨基葡萄糖转移酶（OGT）对Nalm-6细胞生物学行为及对依托泊苷（Vp16）诱导凋亡的影响。方法利用OGT抑制剂Alloxan构建低O—GlcNAc修饰的Nalm-6细胞模型，CCK-8法检测Alloxan对... 详细信息

目的研究O连接的N-乙酰葡萄糖胺（O-GlcNAc）糖基化及乙酰氨基葡萄糖转移酶（OGT）对Nalm-6细胞生物学行为及对依托泊苷（Vp16）诱导凋亡的影响。方法利用OGT抑制剂Alloxan构建低O—GlcNAc修饰的Nalm-6细胞模型，CCK-8法检测Alloxan对细胞增殖的影响，流式细胞术检测Alloxan对细胞凋亡及细胞周期的影响；以不同浓度的Vp16处理Nalm-6细胞12h，Westernblot检测O—GlcNAc糖基化修饰程度及OGT表达量的变化；以Alloxan处理Nalm-6细胞24h后再加入vp16（5gg／m1）处理12h，应用流式细胞术检测不同组别细胞凋亡，Western blot检测凋亡相关蛋白Bax和Bcl-2的表达情况。结果随着Vpl6浓度的增加，Nalm-6细胞O—GlcNAc修饰及OGT表达均逐渐上调（P〈0．05）；Alloxan可抑制Nalm-6细胞增殖，诱发Nalm-6细胞凋亡[（15．190±2．539）％对（21．910±4．105）％，P=0．007]，阻滞细胞周期[G。期：（43．534±4．453）％对（57．322±6．091）％，P=-0．003；S期：（50．747±5．937）％对（37．201±4．661）％，P=0．001]；Alloxan可抑制Vp16诱导的Nahn-6细胞凋亡[（75．195±13．845）％对（52．741±10．815）％，P=0．011]，并伴随Bax表达下调（5．496±1．998对2．950±0．703，P=0．015）、Bcl、2表达上调（0．454±0．125对0．803±0．223，P=0．013）。结论通过抑制OGT而改变Nalm-6细胞O—GlcNAc修饰程度可影响其增殖、凋亡、改变细胞周期并抑制vp16诱导的细胞凋亡。

关键词： Nalm.6细胞 O-GlcNAc 乙酰氨基葡萄糖转移酶依托泊苷糖基化

The In-Flight Realtime Trigger and Localization Software of GECAM

在线全文

学校读者我要写书评

暂无评论

Research in Astronomy and Astrophysics 2024年第10期24卷 11-24页

作者： Xiao-Yun Zhao Shao-lin Xiong Xiang-Yang Wen Xin-Qiao li Ce Cai Shuo Xiao Qi Luo Wen-Xi Peng dong-Ya Guo Zheng-Hua An Ke Gong Jin-Yuan liao Yan-Qiu Zhang Yue Huang Lu li Xing Wen Fei Zhang Jing Duan Chen-Wei Wang dong-li shi Peng Zhang Qi-Bin Yi Chao-Yang li Yan-Bing Xu Xiao-Hua liang Ya-Qing liu Da-li Zhang Xi-Lei Sun Fan Zhang Gang Chen Huan-Yu Wang Sheng Yang Xiao-Jing liu Min Gao Mao-Shun li Jin-Zhou Wang Xing Zhou Yi Zhao Wang-Chen Xue Chao Zheng Jia-Cong liu Xing-Bo Han Jin-ling Qi Jia Huang Ke-Ke Zhang Can Chen Xiong-Tao Yang dong-Jie Hou Yu-Sa Wang Rui Qiao Xiang Ma Xiao-Bo li Ping Wang Xin-Ying Song li-Ming Song shi-Jie Zheng Bing li Hong-Mei Zhang Yue Zhu Wei Chen Jian-Jian He Zhen Zhang Jin Hou Hong-Jun Wang Yan-Chao Hao Xiang-Yu Wang Zong-Yuan Yang Zhi-Long Wen Zhi Chang Yuan-Yuan Du Rui Gao Xiao-Fei Lan Yan-Guo li Gang li Xu-Fang li Fang-Jun Lu Hong Lu Bin Meng Feng shi Hui Wang Hui-Zhen Wang Yu-Peng Xu Jia-Wei Yang Xue-Juan Yang Shuang-Nan Zhang Chao-Yue Zhang Cheng-Mo Zhang Zhi-Cheng Tang Cheng Cheng Key Laboratory of Particle Astrophysics Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China University of Chinese Academy of Sciences Chinese Academy of SciencesBeijing 100049China School of Information Science and Technology Southwest Jiaotong UniversityChengdu 611756China Key Laboratory of Stellar and Interstellar Physics and Department of Physics Xiangtan UniversityXiangtan 411105China Physics and Space Science College China West Normal UniversityNanchong 637002China Department of Astronomy Beijing Normal UniversityBeijing 100875China Innovation Academy for Microsatellites of CAS Shanghai 201203China Changchun University of Science and Technology Changchun 130022China Chinese Academy of Sciences South America Center for Astronomy National Astronomical ObservatoriesCASBeijing 100101China

Realtime trigger and localization of bursts are the key functions of GECAM,an all-sky gamma-ray monitor launched on 2020 December *** developed a multifunctional trigger and localization software operating in the CPU of the GECAM Electronic *** onboard software has the following features:high trigger efficiency for real celestial bursts with a suppression of false triggers caused by charged particle bursts and background fluctuation,dedicated localization algorithm optimized for both short and long bursts,and low time latency of the trigger information which is downlinked through the Global Short Message Communication service of the global BeiDou navigation *** paper provides a detailed description of the design and development of the trigger and localization software system for *** covers the general design,workflow,the main functions,and the algorithms used in the *** paper also includes on-ground trigger tests using simulated gamma-ray bursts generated by a dedicated X-ray tube,as well as an overview of the performance for real celestial bursts during its in-orbit operation.

关键词： telescopes instrumentation:detectors methods:observational