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Characteristics of gaseous product from municipal solid waste gasification with hot blast furnace slag

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Journal of Natural Gas Chemistry 2010年第4期19卷 403-408页

作者： Lumei Zhao Hua Wang shan qing Huili liu Faculty of Metallurgical and Energy Engineering Kunming University of Science and Technology Kunming 650093 Yunnan China

Possibility of combustible gas production from municipal solid waste （MSW） using hot blast furnace （BF） slag has been *** objective of this work is to generate combustible gas from MSW using heated BF *** this experiment,the thermal stability of the MSW was analyzed by thermogravimetric analysis,and effects of temperature,gasifying agent （air,N2,steam） and BF slag on the gas products were investigated at 600？900 ？*** thermogravimetric analysis indicates that the weight loss of MSW includes four stages：evaporation of the moisture,combustion of volatile materials,burning of carbon residue and burnout of *** contents of the combustible gas increase with increasing temperature,and the lower calorific value （LCV） increases rapidly at 600？900 ？*** is found that volume fraction of CO,H2 and CH4 at different atmospheres increases in the order N2〈air〈*** is believed that BF slag acts as the catalyst and the heat carrier,which promotes the gasification reactivity of MSW.

关键词： gas characteristics municipal solid waste gasification blast furnace slag waste heat recovery

Fast compression and reconstruction of astronomical images based on compressed sensing

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Research in Astronomy and Astrophysics 2014年第9期14卷 1207-1214页

作者： Wang-Ping Zhou Yang Li qing-shan liu Guo-Dong Wang Yuan liu School of Information and Control Nanjing University of Information Science & Technology

With the fast increase in the resolution of astronomical images, the question of how to process and transfer such large images has become a key issue in astronomy. We propose a new real-time compression and fast reconstruction algorithm for astronomical images based on compressive sensing techniques. We first reconstruct tile Original signal with fewer measurements, according to its compressibility. Then, based on the characteristics of astronomical images, we apply Daubechies orthogonal wavelets to obtain a sparse representation. A matrix representing a random Fourier ensembleis used to obtain a sparse representation in a lower dimensional space. For reconstructing the image, we propose a novel minimum total variation with block addptive sensing to balance the accuracy and eomputation time. Our experimental results show that the proposed algorithm can efficiently reconstruct colorful astronomicai images with high resolution and improve the applicability of compressed sensing.

关键词： methods: data analysis -- methods: numerical -- techniques: image processing

Synthesis and Bioassay of 4-Substituted 2-Oxoglutaric Acids

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Chinese Chemical Letters 2006年第2期17卷 156-158页

作者： Qiu Yun CHEN qing shan liu Christopher J. SCHOFIELD Department of Chemistry Huangshan University Tunxi 245021 Department of Chemistry University of Oxford South Park Road Oxford OX1 3TA UK

Three 2-oxoglutaric acid analogues were synthesized. Their interaction with factor- inhibiting hypoxia-inducible factor （FIH） was studied using LC-MS method. The results show that hydrophobic substitutes of 2-oxoglu... 详细信息

关键词： 2-Oxoglutatic acid analogues inhibitor.

Awake rabbit model of ischemic spinal cord injury with delayed paraplegia:The role of ambient temperature

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Animal Models and Experimental Medicine 2024年第5期7卷 732-739页

作者： Wang Yang Qian-qian Wu Lu Yang Yu-jie Chen Ren-qing Jiang Ling Zou qing-shan liu Guang-you Shi Jiang Cao Xiao-chao Yang Jian Sun School of Biomedical Engineering and Medical Imaging Army Medical UniversityChongqingChina 2 Army Health Service Training BaseArmy Medical UniversityChongqingChina 3 Department of NeurosurgerySouthwest HospitalArmy Medical UniversityChongqingChina

Background:Paraplegia after spinal cord ischemia is a devastating condition in the ***,we develop an awake rabbit model of spinal cord ischemia with delayed paraplegia and explore the influence of ambient temperature on the outcomes after ***:A total of 47 male rabbits were involved in the present *** spinal cord ischemia was induced by occluding the infrarenal abdominal aorta of awake rabbits at different ambient *** find the optimal conditions for developing delayed paraplegia,hindlimb motor function after ischemia was evaluated between ***:The onset and magnitude of ischemic injury varied with the ambient temperature maintained during the peri-i schemia *** serious spinal cord injury occurred when ischemia was induced at higher *** 18°C,25-minute ischemia resulted in 74%of rabbits developing delayed *** a temperature of 28°C or higher,most of the animals developed acute paraplegia *** at 13°C,rabbits usually regained normal motor function without ***:This awake rabbit model is highly reproducible and will be helpful in future studies of delayed paraplegia after spinal cord *** ambient temperature must be considered while using this model during investigation of therapeutic interventions.

关键词： ambient temperature delayed paraplegia rabbit model spinal cord injury spinal cord ischemia

Cytisine N-methylene-(5，7，4’-trihydroxy)-isoflavone induces neural stem cell proliferation and reverses cognitive deficits in early Alzheimer's disease models via canonical Wnt/β-catenin pathway

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Food Science and Human Wellness 2024年

作者： Yang-Yang Lu Xiao-Wan Li Zhi-Ping Qin Wen-Jing Sun Yong-Biao Li Shao-Bo liu Lu Lu Rong-Fei Yang Na-Na Zhang Yi-Ting liu Jun Zhang qing-shan liu Key Laboratory of Ethnomedicine for Ministry of Education， Center on Translational Neuroscience， Minzu University of China Center for Life Sciences， School of Life Science and Technology， Harbin Institute of Technology Department of Ophthalmology， shandong Provincial Hospital Affiliated to shandong First Medical University

Alzheimer’s disease (AD) is a degenerative disease of the central nervous system. It results in cognitive dysfunction due to the loss of functional neurons and a deficit of new neurons， which can lead to death in severe cases. Repairing damaged neurons by promoting hippocampal neurogenesis has become therapeutic modality to combat neurodegenerative diseases. The novel isoflavone alkaloid LY01， found in the edible fruits of Sophora alopecuroides L.， has various neuroprotective effects. However， the molecular mechanism by which it promotes the proliferation of endogenous neural stem cells (NSCs) is not yet precisely known. The effects of LY01 were investigated in vivo and in vitro. In vivo experiments showed that LY01 could counteract the toxic damage of Aβ， enhance the learning ability and memory capacity of 5×FAD mice， and improve the morphology of neurons in the hippocampal region. In vitro experiments showed that LY01 was effective against antioxidant damage， improved the cell morphology of C17.2 mouse NSCs after hydrogen peroxide injury， and increased cell viability. Both in vitro and in vivo experiments promoted NSC proliferation by upregulating the mRNA and protein levels of the critical genes of the Wnt/β-catenin pathway， which increased levels of doublecortin to facilitate new neuronal generation. This indicates that the ability of LY01 to counteract Aβ toxicity and alleviate oxidative damage in early AD is associated with activation of the Wnt/β-catenin signaling pathway to promote NSC proliferation and thus repair damaged neurons.

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The burden of upper motor neuron involvement is correlated with the bilateral limb involvement interval in patients with amyotrophic lateral sclerosis:a retrospective observational study

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Neural Regeneration Research 2025年第5期20卷 1505-1512页

作者： Jieying Wu shan Ye Xiangyi liu Yingsheng Xu Dongsheng Fan Department of Neurology Peking University Third HospitalBeijingChina Beijing Municipal Key Laboratory of Biomarker and Translational Research in Neurodegenerative Diseases BeijingChina Key Laboratory for Neuroscience National Health Commission/Ministry of EducationPeking UniversityBeijingChina

Amyotrophic lateral sclerosis is a rare neurodegenerative disease characterized by the involvement of both upper and lower motor *** bilateral limb involvement significantly affects patients'daily lives and may lead them to be confined to ***,the effect of upper and lower motor neuron impairment and other risk factors on bilateral limb involvement is *** address this issue,we retrospectively collected data from 586 amyotrophic lateral sclerosis patients with limb onset diagnosed at Peking University Third Hospital between January 2020 and May 2022.A univariate analysis revealed no significant differences in the time intervals of spread in different directions between individuals with upper motor neuron-dominant amyotrophic lateral sclerosis and those with classic amyotrophic lateral *** used causal directed acyclic graphs for risk factor determination and Cox proportional hazards models to investigate the association between the duration of bilateral limb involvement and clinical baseline characteristics in amyotrophic lateral sclerosis *** factor analyses revealed that higher upper motor neuron scores(hazard ratio[HR]=1.05,95%confidence interval[CI]=1.01–1.09,P=0.018),onset in the left limb(HR=0.72,95%CI=0.58–0.89,P=0.002),and a horizontal pattern of progression(HR=0.46,95%CI=0.37–0.58,P<0.001)were risk factors for a shorter interval until bilateral limb *** results demonstrated that a greater degree of upper motor neuron involvement might cause contralateral limb involvement to progress more quickly in limb-onset amyotrophic lateral sclerosis *** findings may improve the management of amyotrophic lateral sclerosis patients with limb onset and the prediction of patient prognosis.

关键词： amyotrophic lateral sclerosis bilateral limb involvement Cox proportional hazards regression model horizontal spread restricted cubic spline analysis time interval upper motor neuron vertical spread

Bowel preparation before colonoscopy: Consequences, mechanisms, and treatment of intestinal dysbiosis

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World Journal of Gastroenterology 2025年第2期31卷 13-26页

作者： Ze-Long Zheng qing-Fan Zheng Li-Qiang Wang Yi liu Department of Gastroenterology(Endoscopy Center) China-Japan Union Hospital of Jilin UniversityChangchun 130033Jilin ProvinceChina

The term“gut microbiota”primarily refers to the ecological community of various microorganisms in the gut,which constitutes the largest microbial community in the human *** adequate bowel preparation can improve the results of colonoscopy,it may interfere with the gut *** preparation for colonoscopy can lead to transient changes in the gut microbiota,potentially affecting an individual’s health,especially in vulnerable populations,such as patients with inflammatory bowel ***,measures such as oral pro-biotics may ameliorate these adverse *** focused on the bowel prepa-ration-induced changes in the gut microbiota and host health status,hypothesized the factors influencing these changes,and attempted to identify measures that may reduce dysbiosis,thereby providing more information for individualized bowel preparation for colonoscopy in the future.

关键词： Bowel preparation Colonoscopy Microbiota Inflammatory bowel disease Probiotics

Preparation of FeCoNi medium entropy alloy from Fe^(3+)-Co^(2+)-Ni^(2+)solution system

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International Journal of Minerals,Metallurgy and Materials 2025年第1期32卷 92-101页

作者： Zongyou Cheng qing Zhao Mengjie Tao Jijun Du Xingxi Huang Chengjun liu Key Laboratory for Ecological Metallurgy of Multimetallic Mineral(Ministry of Education) Northeastern UniversityShenyang 110819China School of Metallurgy Northeastern UniversityShenyang 110819China Engineering Research Center of Frontier Technologies for Low-carbon Steelmaking(Ministry of Education) Shenyang 110819China

In recent years,medium entropy alloys have become a research hotspot due to their excellent physical and chemical *** controlling reasonable elemental composition and processing parameters,the medium entropy alloys can exhibit similar properties to high entropy alloys and have lower *** this paper,a FeCoNi medium entropy alloy precursor was prepared via sol-gel and coprecipitation methods,respectively,and FeCoNi medium entropy alloys were prepared by carbothermal and hydrogen *** phases and magnetic properties of FeCoNi medium entropy alloy were *** showed that FeCoNi medium entropy alloy was produced by carbothermal and hydrogen reduction at 1500℃.Some carbon was detected in the FeCoNi medium entropy alloy prepared by carbothermal *** alloy prepared by hydrogen reduction was uniform and showed a relatively high ***,the hydrogen reduction product exhibited better saturation magnetization and lower coercivity.

关键词： medium entropy alloy sol-gel co-precipitation carbothermal hydrogen reduction

Maternal and fetal death associated with acute pancreatitis during pregnancy:A case report

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World Journal of Clinical Cases 2025年第10期13卷 53-58页

作者： Jin Li qing-Yan Zhang Mei-Hong Zhang shan-Yun Jiang Department of Anesthesiology Kaihua County People’s HospitalQuzhou 324300Zhejiang ProvinceChina Center for Clinical Inspection and Quarantine Kaihua County Center for Clinical Inspection and QuarantineQuzhou 324300Zhejiang ProvinceChina

BACKGROUND Acute pancreatitis in pregnancy is a rare but serious condition that can lead to high maternal mortality and fetal *** of pregnancy complicated by severe acute pancreatitis,particularly with subsequent respiratory and cardiac arrest,are rarely *** SUMMARY We present the case of a 35-year-old woman,at 36+5 weeks of gestation,who presented with paroxysmal epigastric pain accompanied by low back pain,nausea,and *** to the clinical symptoms,B-ultrasound imaging and biochemical indicators,the patient was diagnosed with acute pancreatitis and initially managed ***,3 hours after admission,the patient experienced respiratory and cardiac arrest,and the fetus *** this case,the adverse outcomes occurred due to the lack of aggressive fluid resuscitation and an active surgical *** Implementing aggressive fluid resuscitation to sustain tissue perfusion,alongside the proactive evaluation of pharmacological agents that suppress gastric acid secretion and inhibit pancreatic enzyme activity,may be beneficial in mitigating the risk of a severely adverse *** management of acute pancreatitis during pregnancy requires careful timing of surgical intervention,a thorough evaluation of the risks and benefits regarding the continuation or termination of pregnancy,and a focus on safeguarding both maternal and fetal health.

关键词： Severe acute pancreatitis Pregnancy Cardiac arrest Fetal death Case report