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| 1 | Stable classi?cation with limited sample: transferring a 30-m resolution sample set collected in 2015 to mapping 10-m resolution global land cover in 2017显示文摘As the world strives to reduce the impact of population growth, urbanization, agricultural expansion, and climate change on food security, energy and water shortage, resource over-exploration, biodiversity loss, environmental pollution, and ultimately human health, timely and higher resolution land cover information is urgently needed to achieve the sustainable development goals of the United Nations. | Peng Gong Han Liu Meinan Zhang Congcong Li Jie Wang Huabing Huang Nicholas Clinton Luyan Ji Wenyu Li Yuqi Bai Bin Chen Bing Xu Zhiliang Zhu Cui Yuan Hoi Ping Suen Jing Guo Nan Xu Weijia Li Yuanyuan Zhao Jun Yang Chaoqing Yu Xi Wang Haohuan Fu Le Yu Iryna Dronova Fengming Hui Xiao Cheng Xueli Shi Fengjin Xiao Qiufeng Liu Lianchun Song | 2019 | Science Bulletin2019,64,6: | 166 |
| 2 | The Tartary Buckwheat Genome Provides Insights into Rutin Biosynthesis and Abiotic Stress Tolerance显示文摘 | Zhang, Lijun Li, Xiuxiu Ma, Bin Gao, Qiang Du, Huilong Han, Yuanhuai Li, Yan Cao, Yinghao Qi, Ming Zhu, Yaxin Lu, Hongwei Ma, Mingchuan Liu, Longlong Zhou, Jianping Nan, Chenghu Qin, Yongjun Wang, Jun Cui, Lin Liu, Huimin Liang, Chengzhi Qiao, Zhijun | 2017 | Molecular Plant2017,10,9: | 53 |
| 3 | Prognostic factors of refractory NSCLC patients receiving anlotinib hydrochloride as the third-or further-line treatment显示文摘Objective:Anlotinib hydrochloride is a multitarget tyrosine kinase inhibitor that targets vascular endothelial growth factor receptor,fibroblast growth factor receptor,platelet-derived growth factor receptor,c-Kit,and c-MET;therefore,it exhibits both antitumor and anti-angiogenetic activities.A phase III trial has shown that anlotinib improved progression-free survival(PFS)and overall survival(OS)in patients with advanced non-small cell lung cancer(NSCLC),who presented with progressive disease or intolerance after standard chemotherapy.This study aimed to analyze the characteristics of patients receiving anlotinib treatment to determine the dominant populations who are fit for the treatment.Methods:Data were collected from March 2015 to January 2017 from a randomized,double-blind,placebo-controlled,multicenter,phase III trial of anlotinib(ALTER0303).A total of 437 patients were enrolled and randomly allocated(2:1)to the anlotinib and placebo groups.Kaplan–Meier analysis and log-rank test were performed to compare PFS and OS.Cox proportional hazards model was adopted for multivariate prognostic analysis.Results:Multivariate analysis indicated that high post-therapeutic peripheral blood granulocyte/lymphocyte ratio and elevated alkaline phosphatase levels were independent risk factors for PFS.Meanwhile,elevated thyroid-stimulating hormone,blood glucose,and triglyceride levels;hypertension;and hand–foot syndrome were independent protective factors of PFS.High posttherapeutic peripheral blood granulocyte/lymphocyte ratio,an Eastern Cooperative Oncology Group(ECOG)score≥2,and the sum of the maximal target lesion length at baseline were independent risk factors of OS,and hypertriglyceridemia was an independent protective factor of OS.Conclusions:This study preliminarily explored the possible factors that affected PFS and OS after anlotinib treatment in patients with advanced refractory NSCLC,and the baseline characteristics of the therapeutically dominant populations were then identified. | Jing Wang Yizhuo Zhao Qiming Wang Li Zhang Jianhua Shi Zhehai Wang Ying Cheng Jianxing He Yuankai Shi Hao Yu Yang Zhao Weiqiang Chen Yi Luo Xiuwen Wang Kejun Nan Faguang Jin Jian Dong Baolan Li Zhujun Liu Baohui Han Kai Li | 2018 | Cancer Biology & Medicine2018,15,4: | 46 |
| 4 | Prognostic nutritional index predicts postoperative complications and long-term outcomes of gastric cancer显示文摘AIM:To investigate the impact of prognostic nutritional index(PNI)on the postoperative complications and long-term outcomes in gastric cancer patients undergoing total gastrectomy.METHODS:The data for 386 patients with gastric cancer were extracted and analyzed between January2003 and December 2008 in our center.The patients were divided into two groups according to the cutoff value of the PNI:those with a PNI≥46 and those with a PNI<46.Clinicopathological features were compared between the two groups and potential prognostic factors were analyzed.The relationship between postoperative complications and PNI was analyzed by logistic regression.The univariate and multivariate hazard ratios were calculated using the Cox proportional hazard model.RESULTS:The optimal cutoff value of the PNI was set at 46,and patients with a PNI≥46 and those with a PNI<46 were classified into PNI-high and PNI-low groups,respectively.Patients in the PNI-low group were more likely to have advanced tumor(T),node(N),and TNM stages than patients in the PNI-high group.The low PNI is an independent risk factor for the incidence of postoperative complications(OR=2.223).The 5-year overall survival(OS)rates were 54.1%and21.1%for patients with a PNI≥46 and those with a PNI<46,respectively.The OS rates were significantly lower in the PNI-low group than in the PNI-high group among patients with stagesⅡ(P=0.001)andⅢ(P<0.001)disease.CONCLUSION:The PNI is a simple and useful marker not only to identify patients at increased risk for postoperative complications,but also to predict long-term survival after total gastrectomy.The PNI should be included in the routine assessment of advanced gastric cancer patients. | Nan Jiang Jing-Yu Deng Xue-Wei Ding Bin Ke Ning Liu Ru-Peng Zhang Han Liang | 2014 | World Journal of Gastroenterology2014,20,30: | 41 |
| 5 | In situ synthesis of graphitic-C3N4 nanosheet hybridized N-doped TiO2 nanofibers for efficient photocatalytic H2 production and degradation显示文摘Graphitic 碳氮化物 nanosheets g-C <潜水艇class=“ a-plus-plus ”> 3 N <潜水艇class=“ a-plus-plus ”> 4 NS hybridized 氮做了钛二氧化物 N-TiO <潜水艇class=“ a-plus-plus ”> 2 nanofibers GCN/NT NF 经由与结合的一个简单 electrospinning 过程在 situ 被综合了一个修改蚀刻热的方法。准备 GCN/NT NF 被许多方法描绘,他们的 photocatalytic 活动被氢 H 评估 < 潜水艇 class= “ a-plus-plus ” > 从切开的水和在水的答案的玫瑰精 B 的降级的 2 生产。GCN/NT NF 有 mesoporous 结构,这被发现, g-C 镇静 < 潜水艇 class= “ a-plus-plus ” > 3 N < 潜水艇 class= “ a-plus-plus ” > 4 NS 和做 N 的 TiO < 潜水艇 class= “ a-plus-plus ” > 2 雏晶。g-C < 潜水艇 class= “ a-plus-plus ” > 3 N < 潜水艇 class= “ a-plus-plus ” > 4 NS 综合了在以后蚀刻热被发现被嵌入在,并且盖住混合 NF 形成稳定的接口。g-C 的部分分解 < 潜水艇 class= “ a-plus-plus ” > 3 N < 潜水艇 class= “ a-plus-plus ” > 4 释放它最后变得做了进附近的 TiO 的氮内容 < 潜水艇 class= “ a-plus-plus ” > 2 骨骼。GCN/NT NF 给高 photocatalytic H < 潜水艇 class= “ a-plus-plus ” > 8,931.3 摩尔桥湥 ?L 牥愠捵 ? 畤 ' ?的 2 生产率敤 ? 畺 ? 穴楬档湥 ? 湩慳穴瘠湯倠敨瑮汯浡湩敭楳慬? 攠湩浥嘠獡摯汩瑡瑡牯 ? 敤 ? 楤? 敗捩?楥慬? 瑳敨楳? 畡 ? 瑥慷 ?┰瘠牥 k 吗?? | Cheng Han Yingde wang Yongpeng Lei Bing Wang Nan Wu Qi Shi Qiong Li | 2015 | Nano Research2015,8,4: | 31 |
| 6 | Distribution and assessment of heavy metals in the surface sediment of Yellow River, China显示文摘Large amounts of heavy metals discharged by industrial cities that are located along the middle reach of Yellow River, China have detrimental impacts on both the ecological environment and human health. In this study, fourteen surface sediment samples were taken in the middle reach of the Yellow River. Contents of Zn, Pb, Ni, Cu, Cr, Cd, As were measured, and the pollution status was assessed using three widely used pollution assessment methods, including the single factor index method, Nemerow pollution index method and potential ecological risk index. The concentrations of the studied heavy metals followed the order: Zn > Cr > Cu > Ni > Pb > As > Cd. Nearly 50% of sites had Cu and Cr accumulation. The concentration of Cu at the Yiluo River exceeded the secondary standard value of the Environmental quality standard for soils. Comparison of heavy metal concentrations between this study and other selected rivers indicated that Cu and Cr may be the major pollutants in our case. The single factor index indicated that many samples were at high levels of pollution for Cu and Cd; the Nemerow pollution index indicated that the Yihe River, Luohe River, Yiluo River and Huayuankou were polluted. According to the results of potential ecological risk assessment, Cd in the tributaries of Luo River, Yihe River,and Yiluo River showed high risk toward the ecosystem and human health, Cd in Huanyuankou and Cu in Yiluo River showed a middle level of risk and other samples were at a low level of risk. | Nan Yan Wenbin Liu Huiting Xie Lirong Gao Ying Han Mengjing Wang Haifeng Li | 2016 | Journal of Environmental Sciences2016,28,1: | 33 |
| 7 | Tri-Co Robot: a Chinese robotic research initiative for enhanced robot interaction capabilities显示文摘Since the invention of the first industrial robot in 1959, the missions of robots have evolved from basic mechanical transfer or assistance to a diverse range of tasks through close interactions with environment, their human counterparts and robot peers. Through adaptation to uncertain and dynamic environments. | Han Ding Xuejun Yang Nanning Zheng Ming Li Yinan Lai Hao Wu | 2018 | National Science Review2018,5,6: | 24 |
| 8 | N-doped graphene grown on silk cocoon-derived interconnected carbon fibers for oxygen reduction reaction and photocatalytic hydrogen production显示文摘基于碳的没有金属的催化剂是为在氧减小反应使用的稀罕、昂贵的铂(磅) 的一个有希望的代用品。我们此处报导精致地集成于高度传导性的框架,同时提供的更活跃的地点和更高的电导率的做 N 的 graphene (NG ) 。NG 在在从丝绸茧导出的碳纤维上种的 situ (SCC 用一出简单一步舞的 f ) 热处理。产生产品(NG-SCC 拥有 meso-/macroporous 结构与的 f ), 三维(3D ) 互连网络,展出仅仅是比 Pt/C 和表演稳定性和甲醇忍耐上级的否定的 0.1 V 更少到在碱的媒介的 Pt/C 的那些的一个发作潜力。而且,当是的磅不在时合作催化剂, NG-SCC f 显示出 66.0 摩尔的 photocatalytic H 2 生产率这个模式的完全音韵学上的分析:任意的关系在之间不合法并且合法交互被编码为词典,但是在完全一样的词汇入口(而不是二) 在不合法的条款被联系到成分和营救的地方,分割漂流。什么时候常规(联系) 片断在给定的音韵学上的上下文是不合法的,它 delinks 和漂浮的代用品属于搬出的位置。作为后果,嘴巧的格能被做到词法计算从来不花进 acc 的结束吗?? | Yongpeng Lei Qi Shi Cheng Han Bing Wang Nan Wu Hong Wang Yingde Wang | 2016 | Nano Research2016,9,8: | 14 |
| 9 | Study of parachute inflation process using fluid–structure interaction method显示文摘A direct numerical modeling method for parachute is proposed firstly, and a model for the star-shaped folded parachute with detailed structures is established. The simplified arbitrary Lagrangian–Eulerian fluid–structure interaction(SALE/FSI) method is used to simulate the inflation process of a folded parachute, and the flow field calculation is mainly based on operator splitting technique. By using this method, the dynamic variations of related parameters such as flow field and structure are obtained, and the load jump appearing at the end of initial inflation stage is captured. Numerical results including opening load, drag characteristics, swinging angle, etc. are well consistent with wind tunnel tests. In addition, this coupled method can get more space–time detailed information such as geometry shape, structure, motion, and flow field. Compared with previous inflation time method, this method is a completely theoretical analysis approach without relying on empirical coefficients, which can provide a reference for material selection, performance optimization during parachute design. | Yu Li Cheng Han Zhan Ya'nan Li Shaoteng | 2014 | Chinese Journal of Aeronautics2014,27,2: | 13 |
| 10 | Energy metabolism disorders and potential therapeutic drugs in heart failure显示文摘Heart failure(HF)is a global public health problem with high morbidity and mortality.A large number of studies have shown that HF is caused by severe energy metabolism disorders,which result in an insufficient heart energy supply.This deficiency causes cardiac pump dysfunction and systemic energy metabolism failure,which determine the development of HF and recovery of heart.Current HF therapy acts by reducing heart rate and cardiac preload and afterload,treating the HF symptomatically or delaying development of the disease.Drugs aimed at cardiac energy metabolism have not yet been developed.In this review,we outline the main characteristics of cardiac energy metabolism in healthy hearts,changes in metabolism during HF,and related pathways and targets of energy metabolism.Finally,we discuss drugs that improve cardiac function via energy metabolism to provide new research ideas for the development and application of drugs for treating HF. | Yanan He Wei Huang Chen Zhang Lumeng Chen Runchun Xu Nan Li Fang Wang Li Han Ming Yang Dingkun Zhang | 2021 | Acta Pharmaceutica Sinica B2021,11,5: | 11 |
| 11 | Facile production of ultrathin graphitic carbon nitride nanoplatelets for efficient visible-light water splitting显示文摘Ultrathin graphitic 碳氮化物 nanoplatelets (UGCNP ) 被一种灵巧的方式经由一条有效、 eco 友好的球 milling 途径综合。获得的 UGCNP 在厚度是在尺寸和 0.350.7 nm 的 26 nm,与在体积 graphitic 碳氮化物的上的改进特定的表面区域。光化学的实验证明 UGCNP 在切开的可见光的水里是高度活跃的,与 1,365 摩尔的氢进化率 ?? ? 洠条敮楳瑯敨浲吗? | Qing Han Fei Zhao Chuangang Hu Lingxiao Lv Zhipan Zhang Nan Chen Liangti Qu | 2015 | Nano Research2015,8,5: | 11 |
| 12 | Advances in fabrication of ceramic corundum abrasives based on sol–gel process显示文摘Corundum abrasives with good chemical stability can be fabricated into various free abrasives and bonded abrasive tools that are widely used in the precision machining of various parts.However,these abrasives cannot satisfy the machining requirements of difficult-to-machine materials with high hardness,high strength,and strong wearing resistance.Although superhard abrasives can machine the above-mentioned materials,their dressing and manufacturing costs are high.By contrast,ceramic corundum abrasives fabricated by sol–gel method is a costeffective product between conventional and superhard abrasives.Ceramic corundum abrasives exhibit self-sharpening and high toughness.In this review,the optimization methods of ceramic corundum abrasive properties are introduced from three aspects:precursor synthesis,particle shaping,and sintering.Firstly,the functional mechanism of seeds and additives on the microstructural and mechanical properties of abrasives is analyzed.Specifically,seeds can reduce the phase transition temperature and improve fracture toughness.The grain size and uniformly dense structure can be controlled by applying an appropriate amount of multicomponent additives.Then,the urgent need of engineering application and machinability of special shape ceramic corundum abrasives is reviewed,and three methods of abrasive shaping are summarized.The micromold replication technique is highly advanced and can be used to prepare functional abrasives.Additionally,the influence of a new sintering method,namely,two-step sintering technique,on the microstructural and mechanical performance of ceramic corundum abrasives is summarized.Finally,the challenge and developmental trend of the optimization of ceramic corundum abrasives are prospected. | Baoteng HUANG Changhe LI Yanbin ZHANG Wenfeng DING Min YANG Yuying YANG Han ZHAI Xuefeng XU Dazhong WANG Sujan DEBNATH Muhammad JAMIL Hao Nan Li Hafiz Muhammad ALI Munish Kumar GUPTA Zafar SAID | 2021 | Chinese Journal of Aeronautics2021,34,6: | 11 |
| 13 | Numerical simulation and application of three-dimensional oil resources migration-accumulation of fluid dynamics in porous media显示文摘Numerical simulation of oil migration and accumulation is to describe the history of oil migration and accumulation in basin evolution. It is of great value in evaluation of oil resources and determination of the location and amount of oil deposits. Based on such actual conditions as the effects of fluid mechanics in porous media and 3-dimensional geology characteristics,a kind of modified method of second order upwind finite difference fractional steps implicit interactive scheme was put forward. As for the actual problem of Dongying hollow,Huimin hollow,Tanhai region and Yangxin hollow in Shengli Petroleum Oil Field,a numerical simulation test was carried out,and the result is basically coincident with the actual conditions. For the model problem,optimal order estimates were derived. Thus the well-known problem on oil resources was solved. | YUAN YiRang1 & HAN YuJi2 1 Institute of Mathematics,Shandong University,Ji’nan 250100,China 2 Physical Exploration Institute of Shengli Petroleum Administration,Dongying 257022,China | 2008 | Science China(Physics,Mechanics & Astronomy)2008,51,8: | 10 |
| 14 | Effect of complication grade on survival following curative gastrectomy for carcinoma显示文摘AIM: To elucidate the potential impact of the grade of complications on long-term survival of gastric cancer patients after curative surgery.METHODS: A total of 751 gastric cancer patients who underwent curative gastrectomy between January 2002 and December 2006 in our center were enrolled in this study. Patients were divided into four groups: no complications, Grade Ⅰ, Grade Ⅱ and Grade Ⅲ complications, according to the following classification systems: T92(Toronto 1992 or Clavien), Accordion Classification, and Revised Accordion Classification. Clinicopathological features were compared amongthe four groups and potential prognostic factors were analyzed. The Log-rank test was used to assess statistical differences between the groups. Independent prognostic factors were identified using the Cox proportional hazards regression model. Stratified analysis was used to investigate the impact of complications of each grade on survival.RESULTS: Significant differences were found among the four groups in age, sex, other diseases(including hypertension, diabetes and chronic obstructive pulmonary disease), body mass index(BMI), intraoperative blood loss, tumor location, extranodal metastasis, lymph node metastasis, tumor-node-metastasis(TNM) stage, and chemotherapy. Overall survival(OS) was significantly influenced by the complication grade. The 5-year OS rates were 43.0%, 42.5%, 25.5% and 9.6% for no complications, and GradeⅠ, Grade Ⅱ and Grade Ⅲ complications, respectively(P < 0.001). Age, tumor size, intraoperative blood loss, lymph node metastasis, TNM stage and complication grade were independent prognostic factors in multivariate analysis. With stratified analysis, lymph node metastasis, tumor size, and intraoperative blood loss were independent prognostic factors for Grade Ⅰ complications(P < 0.001, P = 0.031, P = 0.030). Age and lymph node metastasis were found to be independent prognostic factors for OS of gastric cancer patients with Grade Ⅱ complications(P = 0.034, P = 0.001). Intraoperative blood loss, TNM stage, and chemotherapy were independent prognostic factors for OS of gastric cancer patients with Grade Ⅲ complications(P = 0.003, P = 0.005, P < 0.001). There were significant differences among patients with GradeⅠ, Grade Ⅱ and Grade Ⅲ complications in TNM stage Ⅱ and Ⅲ cancer(P < 0.001, P = 0.001).CONCLUSION: Complication grade may be an independent prognostic factor for gastric cancer following curative resection. Treatment of complications can improve the long-term outcome of gastric cancer patients. | Nan Jiang Jing-Yu Deng Xue-Wei Ding Li Zhang Hong-Gen Liu Yue-Xiang Liang Han Liang | 2014 | World Journal of Gastroenterology2014,20,25: | 9 |
| 15 | Three-dimensional (3D) interconnected networks fabricated via in-situ growth of N-doped graphene/ carbon nanotubes on Co-containing carbon nanofibers for enhanced oxygen reduction显示文摘把高度传导性的框架与丰富的活跃地点相结合的策略在到为氧减小反应(ORR ) 的商业 Pt/C 的其他的催化剂的准备是合乎需要的。在这研究,做 N 的 graphene (NG ) 和碳 nanotubes (CNT ) 在共同包含上在原处被种碳 nanofibers (CNF ) 到表格三维(3D ) 互连网络。NG 和 CNT 一起绑了交叉 CNF,便于电子转移并且提供另外的活跃地点。3D 互连纤维网络有 0.924 V 的一个发作潜力的展出优秀 ORR 催化行为(对可逆的氢电极) 并且更高当前的密度比在 0.720 V 以外的 Pt/C。另外,混合系统在碱的媒介展出了优异稳定性和甲醇忍耐到 Pt/C。这个方法能被扩大到另外的 3D 的设计为精力的互连的网络体系结构存储和变换应用程序。 | Qi Shi Yingde Wang Zhongmin Wang Yongpeng Lei Bing Wang Nan Wu Cheng Han Song xieJ Yanzi Gou | 2016 | Nano Research2016,9,2: | 9 |
| 16 | Mesoporous silicon carbide nanofibers with in situ embedded carbon for co-catalyst free photocatalytic hydrogen production显示文摘硅碳化物(原文如此) 由于它的唯一的 photoelectrical 性质和热 / 化学的稳定性被认为有希望的没有金属的光催化剂。然而,它的表演受不了费用搬运人的快再结合。此处,我们原文如此报导 mesoporous nanofibers 与在 situ 嵌入 graphitic 碳(原文如此 NFs-Cx ) 经由在 electrospun 碳 nanofibers 和 Si 粉末之间的一步舞 carbothermal 减小综合了。当高贵金属合作催化剂不在时,氢进化效率原文如此, NFs-Cx 显著地在两个都模仿的太阳的光下面被改进(180.2 摩尔 ? 慬敳 ? | Bing Wang Yingde Wang Yongpeng Lei Nan Wu Yanzi Gou Cheng Han Song Xie Dong Fang | 2016 | Nano Research2016,9,3: | 8 |
| 17 | Preparation and characterization of porous ceramics prepared by kaolinite gangue and Al(OH)_3 with double addition of MgCO_3 and CaCO_3显示文摘Porous ceramics were prepared from kaolinite gangue and Al(OH)3 with double addition of MgCO3 and CaCO3 by the pore-forming in-situ technique.The characterizations of porous ceramics were investigated by X-ray diffractometry,scanning electron microscopy,and mercury porosimetry measurements,etc.It is found that although the decomposition of MgCO3 and CaCO3 has little contribution to the porosity,the double addition of MgCO3 and CaCO3 strongly affects the formation of liquid phase,and then changes the phase compositions,pore characterization,and strength.The appropriate mode is the sample containing 1.17wt% MgCO3 and 1.17wt% CaCO3,which has high apparent porosity(41.0%),high crushing strength(53.5 MPa),high mullite content(76wt%),and small average pore size(3.24 μm). | Wen Yan Nan Li Bing-qiang Han | 2011 | International Journal of Minerals,Metallurgy and Materials2011,18,4: | 8 |
| 18 | Parkin promotes proteasomal degradation of p62: implication of selective vulnerability of neuronal cells in the pathogenesis of Parkinson's disease显示文摘 | Pingping Song Shanshan Li Hao Wu Ruize Gao Guanhua Rao Dongmei Wang Ziheng Chen Biao Ma Hongxia Wang Nan Sui Haiteng Deng Zhuohua Zhang Tieshan Tang Zheng Tan Zehan Han Tieyuan Lu Yushan Zhu Quan Chen | 2016 | Protein & Cell2016,7,2: | 8 |
| 19 | Resistin-binding peptide antagonizes role of resistin on white adipose tissue显示文摘在脂肪质的 tissue.Methods 在类脂化合物新陈代谢和内分泌的功能上调查 resistin 和resistin有约束力的肽( RBP )的直接效果:在 vitro 有教养、为有 30 ng/mL recombinant 老鼠 resistin 蛋白质( rResistin )的 24 h 孵化或与改变集中的 RBP 联合的老鼠白脂肪质的 tissuewas (lx10^(-12) mol/L , 1x10 ^(-10) mol/L , 1 x10^(-8) mol/L )丰满的酸(船边交货)释放了进媒介的 .Free 被蛋白质分泌物和 TNF 的 mRNA 表示的比色的 kit.Thelevels | Nan GU Shu-ping HAN Li FEI Xiao-qin PAN Mei GUO Rong-hua CHEN Xi-rong GUO | 2007 | Acta Pharmacologica Sinica2007,28,2: | 8 |
| 20 | Effects of High-temperature Char Layer and Pyrolysis Gas on NOx Reduction in a Typical Decoupling Combustion Coal-fired Stove显示文摘The suppression of nitrogen oxides(NO_x) is the key to reducing pollutant emission of a domestic coal-fired stove due to the limitation of technology condition and economic cost. The decoupling combustion(DC) technology invented by Institute of Process Engineering(IPE), Chinese Academy of Sciences(CAS) is characterized by that a traditional stove is separated into a pyrolysis and a combustion chamber as well as a bottom passage between them. In this study, the combustion of briquette from bituminous coal in different operation modes in a typical decoupling stove is tested and simulated to validate the advantage of DC technology over so-called reverse combustion. The smokeless and high-efficiency combustion of bituminous briquette with low emissions of NO_x and CO can be implemented by utilizing low NO_x combustion under low temperature and reduction atmosphere in the pyrolysis chamber as well as after-combustion of char and pyrolysis gas under high temperature and oxidation atmosphere in the combustion chamber. The effects of the main reducing components in pyrolysis gas as well as char on NO_x reduction were numerically investigated in this study, which shows that the reducing ability increases gradually from CH_4, CO to char, but the combined reducing ability of them cannot be determined by a simple addition. | LI Honglin HAN Jian ZHANG Nan LIU Xinhua HE Jingdong DU Wei | 2019 | Journal of Thermal Science2019,28,1: | 8 |