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| 1 | Anthropogenic emission inventories in China:a review显示文摘The development of reliable anthropogenic emission inventories is essential for both understanding the sources of air pollution and designing effective air-pollution-control measures in China. However, it is challenging to quantify emissions in China accurately, given the variety of contributing sources, the complexity of the technology mix and the lack of reliable measurements. Over the last two decades,tremendous efforts have been made to improve the accuracy of emission inventories, and significant improvements have been realized. More reliable statistics and survey-based data have been used to reduce the uncertainties in activity rates and technology distributions. Local emission factors and source profiles covering various sources have been measured and reported. Based on these local databases, improved emission inventory models have been developed for power plants, large industrial plants and the residential,transportation and agricultural sectors. In this paper, we review the progress that has been made in developing inventories of anthropogenic emissions in China. We first highlight the major updates that have been made to emission inventory models and the underlying data by source category. We then summarize the sector-based estimates of emissions of different species contained in current inventories. The progress that has been made in the development of model-ready emissions is also presented. Finally, we suggest future directions for further improving the accuracy of emission inventories in China. | Meng Li Huan Liu Guannan Geng Chaopeng Hong Fei Liu Yu Song Dan Tong Bo Zheng Hongyang Cui Hanyang Man Qiang Zhang Kebin He | 2017 | National Science Review2017，4，6： | 100 |
| 2 | Current pattern of Chinese dialysis units: a cohort study in a representative sample of units显示文摘 | ZHOU Qiu-gen JIANG Jian-ping WU Sheng-jie TIAN Jian-wei CHEN Jiang-hua YU Xue-qing CHEN Ping-yan MEI Chang-lin XIONG Fei SHI Wei ZHOU Wei LIU Xu-sheng SUN Shi-ren XIE Di LIU Jun XU Xin HOU Fan-fan | 2012 | Chinese Medical Journal2012，，19： | 69 |
| 3 | Ulinastatin attenuates LPS-induced inflammation in mouse macrophage RAW264.7 cells by inhibiting the JNK/NF-KB signaling pathway and activating the PI3K/Akt/Nrf2 pathway显示文摘 | Si-tong LI Qi DAI Shu-xian ZHANG Ya-jun LIU Qiu-qiong YU Fei TAN Shu-hong LU Quan WANG Jian-wen CHEN He-qing HUANG Pei-qing LIU Min LI | 2018 | Acta Pharmacologica Sinica2018，39，8： | 43 |
| 4 | Emergence and prevalence of naturally occurring lower virulent African swine fever viruses in domestic pigs in China in 2020显示文摘African swine fever virus(ASFV)has been circulating in China for more than two years,and it is not clear whether the biological properties of the virus have changed.Here,we report on our surveillance of ASFVs in seven provinces of China,from June to December,2020.A total of 22 viruses were isolated and characterized as genotype II ASFVs,with mutations,deletions,insertions,or short-fragment replacement occurring in all isolates compared with Pig/HLJ/2018(HLJ/18),the earliest isolate in China.Eleven isolates had four different types of natural mutations or deletion in the EP402R gene and displayed a nonhemadsorbing(non-HAD)phenotype.Four isolates were tested for virulence in pigs;two were found to be as highly lethal as HLJ/18.However,two non-HAD isolates showed lower virulence but were highly transmissible;infection with 106 TCID50 dose was partially lethal and caused acute or sub-acute disease,whereas 103 TCID50 dose caused non-lethal,sub-acute or chronic disease,and persistent infection.The emergence of lower virulent natural mutants brings greater difficulty to the early diagnosis of ASF and creates new challenges for ASFV control. | Encheng Sun Zhenjiang Zhang Zilong Wang Xijun He Xianfeng Zhang Lulu Wang Wenqing Wang Lianyu Huang Fei Xi Haoyue Huangfu Ghebremedhin Tsegay Hong Huo Jianhong Sun Zhijun Tian Wei Xia Xuewu Yu Fang Li Renqiang Liu Yuntao Guan Dongming Zhao Zhigao Bu | 2021 | Science China(Life Sciences)2021，64，5： | 46 |
| 5 | Research on trusted computing and its development显示文摘Trusted computing is a novel technology of information system security. It has become a new tide in worldwide information security area and achieved inspiring accomplishment. In China, the initiative research of trusted computing is not late, and the achievements are plentiful and substantial. Our country is in the front rank of the world in trusted computing. This paper comprehensively illustrates the recent development in theory and technology of trusted computing, introduces some improvements in trusted computing in our country, and proposes our opinions and viewpoints towards the existing problems in trusted computing and its future development. | SHEN ChangXiang ZHANG HuanGuo WANG HuaiMin WANG Ji ZHAO Bo YAN Fei YU FaJiang ZHANG LiQiang XU MingDi | 2010 | Science China(Information Sciences)2010，53，3： | 37 |
| 6 | Clinical Study of 224 Patients with Hypertriglyceridemia Pancreatitis显示文摘 | Xiao-Li Zhang Fei Li Ya-Min Zhen Ang Li Yu Fang | 2015 | Chinese Medical Journal2015，，15： | 32 |
| 7 | 陆面水文过程与大气模式的耦合及其在黑河流域的应用显示文摘陆面过程模式对陆面水文过程有比较详尽的描述,然而,目前的陆面水文过程只考虑了垂直方向的水分运移,比较适合平坦地区的模拟,而在地形坡度较大的山区只考虑垂直方向的水分移动是不够的,尤其是目前随着计算机条件提高,分辨率越来越高,地表水以及土壤水的侧向流动成为山区水文过程必须考虑的部分。同时,目前的陆面过程模式中的径流量是作为诊断量处理,不参与运算。针对以上问题,对Noah陆面过程模式进行了改进,增加了地表积水和积水蒸发、坡面汇流方案、次表面流方案,并且将Routing模块通过次网格过程与大气中尺度模式MM5耦合,发展了高分辨率大气-水文耦合模式。运用发展的高分辨率大气-水文耦合模式,对黑河流域中上游2003年6月23-25日降水过程进行了模拟,研究了陆面水循环过程对大气场的影响。结果表明陆面水循环过程对近地层大气影响很大,首先影响了土壤的湿度与蒸发,进而对边界层稳定性,云结构、云水、雨水含量产生影响,对区域降水也有一定影响。 | 高艳红 程国栋 崔文瑞 CHEN Fei David Gochis YU Wei | 2006 | 地球科学进展2006，21，12： | 29 |
| 8 | CLINICAL APPLICATION OF BODY DIFFUSION WEIGHTED MR IMAGING IN THE DIAGNOSIS AND PREOPERATIVE N STAGING OF CERVICAL CANCER显示文摘Objective To evaluate the clinical impact of body diffusion weighted imaging (DWI) on the diagnosis and preoperative N staging of cervical cancer. Methods Twenty-four patients (mean age 37.9 years old) with proved cervical cancer by cervical biopsy and 24 female patients with other suspected pelvic abnormalities received preoperative body DWI scan. Results of body DWI were compared with pathological findings. The apparent diffusion coefficient (ADC) values of normal cervix and different pathological types of cervical cancer were compared. ADC value of normal or inflammatory lymph nodes was also compared with that of metastatic ones. Student's t test was used for statistical analysis. Results There were 5 adenocarcinomas and 19 epitheliomas showed with biopsy results, and DWI showed 21 cervical lesions out of them (87.5%). ADC values of the normal cervix (n = 24), epithelioma (n = 19), and adenocar- cinoma (n = 5) were (1.73 ± 0.31) ×10-3, (0.88 ± 0.22) ×10-3, and (1.08 ± 0.12) ×10-3 mm2/s, respectively. Statistical analysis showed significant difference in ADC value between normal cervical tissue and either tumor tissues (both P < 0.01). In patients had lymphadenectomy (n = 24), totally 67 lymph nodes including 16 metastatic lymph nodes were pathologically analyzed, and DWI showed 66 (98.5%) out of them. ADC values of normal/inflammatory and metastatic lymph nodes were (1.07 ± 0.16) ×10-3 and (0.77 ± 0.13) ×10-3 mm2/s (P < 0.01). Receiver operating characteristic (ROC) curve of ADC value of metastatic lymph node showed that area under curve was 0.961. Conclusions ADC value in cervical carcinoma is lower than that in normal cervix, and ADC may have predictive value in subtype discrimination. ADC value may improve the preoperative characterization of lymph node metastasis. And at least abdominal and pelvic DWI scan is suggested for N staging evaluation in such patients. | Hua-dan Xue Shuo Li Fei Sun Hong-yi Sun Zheng-yu Jin Jia-xin Yang Mei Yu | 2008 | Chinese Medical Sciences Journal2008，23，3： | 28 |
| 9 | Magnifying narrow-band imaging endoscopy is superior in diagnosis of early gastric cancer显示文摘AIM:To evaluate the diagnostic effectiveness of white light endoscopy,magnifying endoscopy(ME),and magnifying narrow-band imaging endoscopy(ME-NBI) in detecting early gastric cancer(EGC).METHODS:From March 2010 to June 2012,a total of 3616 patients received screening for gastric cancer by magnifying endoscopy. There were 3675 focal gastric lesions detected using conventional high definition white light endoscopy(HD-WLE) in four different referentialhospitals that were recruited for further investigation using ME and ME-NBI. The images obtained from HD-WLE,ME,and ME-NBI were reviewed by four experienced endoscopists to evaluate their diagnostic effectiveness for EGC. The diagnosis of cancerous and non-cancerous lesions was conducted by evaluating the microvascular and microsurface patterns using the VS classification system. The final endoscopic diagnosis of each lesion was determined by consultation when a disagreement occurred. We used histopathological results as the gold standard for the diagnosis of EGC.RESULTS:Among the 3675 lesions found,1508 were validated by pathological findings as chronic gastritis,1279 as chronic gastritis with intestinal metaplasia,631 as low-grade neoplasia,and 257 as EGC. The sensitivity,specificity,positive predictive value,negative predictive value,and accuracy of HD-WLE for the diagnosis of EGC were 71.2%,99.1%,85.5%,97.9% and 97.1%,respectively. The results of ME for diagnosing EGC were 81.3%,98.8%,83.3%,98.6% and 97.6%,respectively. The results of ME-NBI for the diagnosis of EGC were 87.2%,98.6%,82.1%,99.0% and 97.8%,respectively. The diagnostic sensitivity and accuracy of paired ME and ME-NBI were significantly better than those of HD-WLE(P < 0.05).CONCLUSION:HD-WLE has a relatively high accuracy for diagnosing EGC and is an effective screening tool. Further investigations of ME and ME-NBI are required to achieve superior accuracy. | Hang Yu Ai-Ming Yang Xing-Hua Lu Wei-Xun Zhou Fang Yao Gui-Jun Fei Tao Guo Li-Qing Yao Li-Ping He Bang-Mao Wang | 2015 | World Journal of Gastroenterology2015，21，30： | 26 |
| 10 | Minimal invasive microscopic tooth preparation in esthetic restoration: a specialist consensus显示文摘By removing a part of the structure,the tooth preparation provides restorative space,bonding surface,and finish line for various restorations on abutment.Preparation technique plays critical role in achieving the optimal result of tooth preparation.With successful application of microscope in endodontics for>30 years,there is a full expectation of microscopic dentistry.However,as relatively little progress has been made in the application of microscopic dentistry in prosthodontics,the following assumptions have been proposed:Is it suitable to choose the tooth preparation technique under the naked eye in the microscopic vision?Is there a more accurate preparation technology intended for the microscope?To obtain long-term stable therapeutic effects,is it much easier to achieve maximum tooth preservation and retinal protection and maintain periodontal tissue and oral function health under microscopic vision?Whether the microscopic prosthodontics is a gimmick or a breakthrough in obtaining an ideal tooth preparation should be resolved in microscopic tooth preparation.This article attempts to illustrate the concept,core elements,and indications of microscopic minimally invasive tooth preparation,physiological basis of dental pulp,periodontium and functions involved in tool preparation,position ergonomics and visual basis for dentists,comparison of tooth preparation by naked eyes and a microscope,and comparison of different designs of microscopic minimally invasive tooth preparation techniques.Furthermore,a clinical protocol for microscopic minimally invasive tooth preparation based on target restorative space guide plate has been put forward and new insights on the quantity and shape of microscopic minimally invasive tooth preparation has been provided. | Haiyang Yu Yuwei Zhao Junying Li Tian Luo Jing Gao Hongchen Liu Weicai Liu Feng Liu Ke Zhao Fei Liu Chufan Ma Juergen MSetz Shanshan Liang Lin Fan Shanshan Gao Zhuoli Zhu Jiefei Shen Jian Wang Zhimin Zhu Xuedong Zhou | 2019 | International Journal of Oral Science2019，11，4： | 25 |
| 11 | Age-related rhesus macaque models of COVID-19显示文摘Background:Since December 2019,an outbreak of the Corona Virus disease 2019(COVID-19)caused by severe acute respiratory syndrome coronavirus(SARS-CoV-2)in Wuhan,China,has become a public health emergency of international concern.The high fatality of aged cases caused by SARS-CoV-2 was a need to explore the possible age-related phenomena with non-human primate models.Methods:Three 3-5 years old and two 15 years old rhesus macaques were intratracheally infected with SARS-CoV-2,and then analyzed by clinical signs,viral replication,chest X-ray,histopathological changes and immune response.Results:Viral replication of nasopharyngeal swabs,anal swabs and lung in old monkeys was more active than that in young monkeys for 14 days after SARS-CoV-2 challenge.Monkeys developed typical interstitial pneumonia characterized by thickened alveolar septum accompanied with inflammation and edema,notably,old monkeys exhibited diffuse severe interstitial pneumonia.Viral antigens were detected mainly in alveolar epithelial cells and macrophages.Conclusion:SARS-CoV-2 caused more severe interstitial pneumonia in old monkeys than that in young monkeys.Rhesus macaque models infected with SARS-CoV-2 provided insight into the pathogenic mechanism and facilitated the development of vaccines and therapeutics against SARS-CoV-2 infection. | Pin Yu Feifei Qi Yanfeng Xu Fengdi Li Peipei Liu Jiayi Liu Linlin Bao Wei Deng Hong Gao Zhiguang Xiang Chong Xiao Qi Lv Shuran Gong Jiangning Liu Zhiqi Song Yajin Qu Jing Xue Qiang Wei Mingya Liu Guanpeng Wang Shunyi Wang Haisheng Yu Xing Liu Baoying Huang Wenling Wang Li Zhao Huijuan Wang Fei Ye Weimin Zhou Wei Zhen Jun Han Guizhen Wu Qi Jin Jianwei Wang Wenjie Tan Chuan Qin | 2020 | Animal Models and Experimental Medicine2020，3，1： | 22 |
| 12 | Relationship between cytokines gene polymorphism and susceptibility to hepatitis B virus intrauterine infection显示文摘Background The influences of genomic background are confirmed in more diseases. Immunologic tolerance after intrauterine infection of hepatitis B virus is considered to occur in T cells. Cytokines work effectively in eliminating virus by immune system after hepatitis B virus infection. To explore the relationship between cytokines (tumor necrosis factor-α, interferon-γ, interleukin-4 and interleukin-10), which expressed abnormal quantity in the peripheral blood to intrauterine hepatitis B virus infectious children, gene single nucleotide polymorphism (SNP) and susceptibility to hepatitis B virus intrauterine infection. Methods This is a cross sectional study of molecular clinical epidemiology. The subjects in this study were selected from outpatients of hepatitis B vaccine follow-up special clinics of our hospital in the period. According to intrant criteria, the high risk children of hepatitis B virus (HBV) intrauterine infection were divided into immune failure group (group Ⅰ); and immune effective group (group Ⅱ) and non high risk children belonged to the control group. Four gene SNP sites of TNF-α -238, IFN-γ +874, IL-4 -590 and IL-10 -1082 were determined by real-time quantitative fluorescent polymerase chain reaction (PCR). Results The significant differences of TNF-α -238 A allele frequency were found between group Ⅰ and groupⅡ (χ2=6.797,P<0.05) and between groupⅠ and the control group (χ2=9.513,P<0.05). No evident differences of TNF-α -238 A were found between group Ⅱ and control group (χ2=0.047,P>0.05); the significant differences of IFN-γ +874 A allele frequency were found between groupⅠ and groupⅡ(χ2=7.238,P<0.05), and between groupⅠ and the control group (χ2=5.199,P<0.05). No evident differences were found between groupⅡ and the control group (χ2=0.602,P>0.05); the significant differences of IL-4 -590 C/T allele frequency were not found between groupⅠand group Ⅱ(χ2=0.632,P>0.05), also groupⅠ and the control group (χ2=0.584,P>0.05), and the groupⅡ and the control group (χ2=0.004,P>0.05)respectively; The significant differences of IL-10 -1082 G allele frequency were found between groupⅡ and groupⅠ (χ2=10.359,P<0.001), and between groupⅡ and the controls (χ2=35.418,P<0.001), but the significant differences were not found between groupⅠand the control group (χ2=1.759,P>0.05). Conclusions This study suggested the possibility that the TNF-α -238 A allele and IFN-γ +874 A allele were associated with HBV intrauterine infection. There was no evident relationship between IL-4 -590 C/T allele SNP and susceptibility to HBV intrauterine infection, but the IL-10 -1082 G allele was associated with preventive efficacy to HBV intrauterine infection. | ZHU Qi-rong GE Yan-ling GU Shao-qing YU Hui WANG Jian-she GU Xin-huan FEI Lin-e DONG Zuo-quan | 2005 | Chinese Medical Journal2005，，19： | 21 |
| 13 | Three-dimensional morphometric analysis for hepatectomy of centrally located hepatocellular carcinoma:A pilot study显示文摘AIM: To describe a three-dimensional model(3DM) to accurately reconstruct anatomic relationships of centrally located hepatocellular carcinomas(HCCs).METHODS: From March 2013 to July 2014, reconstructions and visual simulations of centrally located HCCs were performed in 39 patients using a 3D subject-based computed tomography(CT) model with customdeveloped software. CT images were used for the 3D reconstruction of Couinaud's pedicles and hepatic veins, and the calculation of corresponding tumor territories and hepatic segments was performed using Yorktal DMIT software. The respective volume, surgical margin, and simulated virtual resection of tumors were also estimated by this model preoperatively. All patients were treated surgically and the results were retrospectively assessed. Clinical characteristics, imaging data, procedure variables, pathologic features, and postoperative data were recorded and compared to determine the reliability of the model.RESULTS: 3D reconstruction allowed stereoscopic identification of the spatial relationships between physiologic and pathologic structures, and offered quantifiable liver resection proposals based on individualized liver anatomy. The predicted values were consistent with the actual values for tumor mass volume(82.4 ± 109.1 m L vs 84.1 ± 108.9 m L, P = 0.910), surgical margin(10.1 ± 6.2 mm vs 9.1 ± 5.9 mm, P = 0.488), and maximum tumor diameter(4.61 ± 2.16 cm vs 4.53 ± 2.14 cm, P = 0.871). In addition,the number and extent of portal venous ramifications, as well as their relation to hepatic veins, were visualized. Preoperative planning based on simulated resection facilitated complete resection of large tumors located in the confluence of major vessels. And most of the predicted data were correlated with intraoperative findings.CONCLUSION: This 3DM provides quantitative morphometry of tumor masses and a stereo-relationship with adjacent structures, thus providing a promising technique for the management of centrally located HCCs. | Fei Tian Jian-Xiong Wu Wei-Qi Rong Li-Ming Wang Fan Wu Wei-Bo Yu Song-Lin An Fa-Qiang Liu Li Feng Chao Bi Yun-He Liu | 2015 | World Journal of Gastroenterology2015，21，15： | 21 |
| 14 | Immunosuppressive exosomes from TGF-pl gene-modified dendritic cells attenuate Th17-mediated inflammatory autoimmune disease by inducing regulatory T cells显示文摘 | Zhijian Cai Wei Zhang Fei Yang Lei Yu Zhou Yu JihHung Pan Lie Wang Xuetao Cao Jianli Wang | 2012 | Cell Research2012，22，3： | 20 |
| 15 | Chemokine stromal cell-derived factor 1/CXCL12 increases homing of mesenchymal stem cells to injured myocardium and neovascularization following myocardial infarction显示文摘背景心失败仍然由于 ischemic 心疾病是一个主要健康问题。心肌层新生为对待心肌的梗塞(MI ) 作为一个新奇治疗学的方法出现。然而,它被许多因素影响。现在的学习被瞄准调查 chemokine stromal 的效果导出房间的因素 1 (SDF-1 ) 间充质的干细胞(MSC ) 上的 /CXCL12 homing 到在一只老鼠的受伤心肌层心肌的梗塞模型。方法 A 老鼠心肌的梗塞模型被永久左前面的下降分支结扎建立。从施主老鼠的间充质的干细胞在 IMDM 是有教养的并且用 bromodeoxyuridine 标记。老鼠被划分成二个组。SDF-1 表示被测量由在 situ 杂交和 immunohistochemistry 在假冒操作或在在 SDF-1 察觉的 1, 2, 4, 7, 14 和 28 天帖子操作的 infarcted 心组织。在干预组的老鼠与 SDF-1 被注射, anti-SDF-1 抗体或盐在心肌的梗塞以后的 4 天。然后,在 2.5 ml 的 5x106 房间的一个总数缓冲磷酸盐盐通过尾巴静脉被注射。在 infarcted 心的标记的 MSC 的数字被依靠第三泥土柱子注射。心脏的功能和血容器密度在第 28 天柱子注射上被估计。结果自生的 SDF-1 表示在第一天帖子 MI 被增加,在第 7 天达到顶点并且当它在假冒的操作的心仍然保持未改变时,此后减少了。在主人心的 MSC 丰富比在 non-MI 组(P=0.000 ) 更充满 MI 组;在主人心的 MSC 丰富更充满注射的 SDF-1 比在 anti-SDF-1 抗体和盐的注射的组组织(P = 0.000 ) 。心脏的功能在 SDF-1 更被改进比在 anti-SDF-1 抗体和盐的注射的组注射了组(P = 0.000 ) 。在 SDF-1 的 Neovascularization 注射了与另外的组相比显著地增加的组(P = 0.000 ) 。结论心肌的 SDF-1 表示仅仅在早阶段柱子 MI 被增加。SDF-1 可以提高 MSC homing 到受伤的心并且由支持 neovascularization 改进心脏的功能。 | ZHUANG Yu CHEN Xin XU Ming ZHANG Lei-yang XIANG Fei | 2009 | Chinese Medical Journal2009，，2： | 19 |
| 16 | Alkaloid from Dicranostigma leptopodum(Maxim) Fedde显示文摘Fedde 有的 Dicranostigma leptopodum (格言) 的整个植物的 Phytochemical 调查导致五碱的隔离:dicranostigmine (1 ) , isocorydine (2 ) , corydine (3 ) , protopine (4 ) 和 sinoacutine (5 ) 。Oxomorphine 碱(5 ) 第一次从类 Dicranostigma 被孤立,新复合结构(1 ) 被各种各样的分光镜的方法包括 2D NMR 技术(gCOSY, HMQC, HMBC 和 NOESY ) 和 HRESIMS 阐明。 | Yan Dang Hong Fei Gong Jun Xi Liu Si Jiu Yu | 2009 | Chinese Chemical Letters2009，20，10： | 19 |
| 17 | TGF-β1 gene-modified,immature dendritic cells delay the development of inflammatory bowel disease by inducing CD4^(+)Foxp3^(+)regulatory T cells显示文摘Inflammatory bowel disease(IBD)is caused by an uncontrolled immune response in the intestinal lumen,leading to inflammation in genetically predisposed individuals.Immunotherapy may be a promising approach to the treatment of IBD.Here,we show that transforming growth factor-β1(TGF-β1)gene-modified immature dendritic cells(imDCs)could enhance the inhibitory function of imDCs and delay the progress of IBD induced by dextran sodium sulfate in mice.The results of fluorescence-activated cell sorter(FACS)demonstrated that this protective effect is mediated partially by inducing CD4^(+)Foxp3^(+)regulatory T cells(Tregs)in mesentery lymph nodes to control inflammation.In vitro experiments also supported this hypothesis.In conclusion,we provide evidence that TGF-b1-modified bone marrow-derived imDCs may have a therapeutic effect to IBD. | Zhijian Cai Wei Zhang Min Li Yinpu Yue Fei Yang Lei Yu Xuetao Cao Jianli Wang | 2010 | Cellular & Molecular Immunology2010，7，1： | 18 |
| 18 | A comparison of two kinds of eastward-moving mesoscale vortices during the mei-yu period of 2010显示文摘During the mei-yu period,the east edge of the Tibetan Plateau and the Dabie Mountain are two main sources of eastward-moving mesoscale vortices along the mei-yu front(MYF).In this study,an eastward-moving southwest vortex(SWV) and an eastward-moving Dabie vortex(DBV) during the mei-yu period of 2010 have been investigated to clarify the main similarities and differences between them.The synoptic analyses reveal that the SWV and DBV were both located at the lower troposphere;however,the SWV developed in a 'from top down' trend,whereas the DBV developed in an opposite way.There were obvious surface closed low centers corresponding to the DBV during its life span,whereas for the SWV,the closed low center only appeared at the mature stage.Cold and warm air intersected intensely after the formation of both the vortices,and the cold advection in the SWV case was stronger than that in the DBV case,whereas the warm advection in the DBV case was more intense than that in the SWV case.The Bay of Bengal and the South China Sea were main moisture sources for the SWV,whereas for the DBV,in addition to the above two moisture sources,the East China Sea was also an important moisture source.The vorticity budget indicates that the convergence was the most important common factor conducive to the formation,development,and maintenance of the SWV and DBV,whereas the conversion from the vertical vorticity to the horizontal one(tilting) was the most important common factor caused the dissipation of both of the vortices.The kinetic energy(KE) budget reveals that the KE generation by the rotational wind was the dominant factor for the enhancement of KE associated with the SWV,whereas for the DBV,the KE transport by the rotational wind was more important than the KE generation.The KE associated with the SWV and the DBV weakened with different mechanisms during the decaying stage.Furthermore,the characteristics of baroclinic and barotropic energy conversions during the life spans of both vortices indicate that the SWV and DBV both belong to the kind of subtropical mesoscale vortices. | FU ShenMing YU Fei WANG DongHai XIA RuDi | 2013 | Science China Earth Sciences2013，56，2： | 18 |
| 19 | Pore-structure-mediated hierarchical SAPO-34:Facile synthesis,tunable nanostructure,and catalysis applications for the conversion of dimethyl ether into olefins显示文摘Hierarchical cross-like SAPO-34 catalysts with different pore size distributions were obtained via hydrothermal synthesis with polyethylene glycol(PEG) as the mesopore-generating agent.The hierarchical SAPO-34 molecular sieves were characterized using X-ray diffraction,scanning electron microscopy,N_2adsorption-desorption,thermogravimetric analysis,and temperature-programmed NH_3 desorption.The cross-like SAPO-34 catalysts exhibited enriched multi-porosity,and the sizes of their mesopores ranged from 10 to 50 nm.Both the mesoporous structures and morphologies of the hierarchical SAPO-34 could be further tuned through adjustments of the amount of PEG used.The as-obtained SAPO-34 showed dramatic catalytic performance in the conversion of dimethyl ether into olefins.A maximum selectivity of olefins of 96%was achieved,which was attributed to the rapid transport of the reactants and products in zeolitic micropores through mesopores. | Yu Cui Qiang Zhang Jie He Yao Wang Fei Wei | 2013 | Particuology2013，11，4： | 17 |
| 20 | NH_3-SCR denitration catalyst performance over vanadium–titanium with the addition of Ce and Sb显示文摘Selective catalytic reduction technology using NH3 as a reducing agent(NH3-SCR) is an effective control method to remove nitrogen oxides. TiO2-supported vanadium oxide catalysts with different levels of Ce and Sb modification were prepared by an impregnation method and were characterized by X-ray diffractometer(XRD), Brunauer–Emmett–Teller(BET), Transmission electron microscopy(TEM), Fourier transform infrared spectroscopy(FT-IR), UV–Vis diffuse reflectance spectroscopy(UV–Vis DRS), Raman and Hydrogen temperature-programmed reduction(H2-TPR). The catalytic activities of V5 CexS by/TiO2 catalysts for denitration were investigated in a fixed bed flow microreactor. The results showed that cerium, vanadium and antimony oxide as the active components were well dispersed on TiO2, and the catalysts exhibited a large number of d–d electronic transitions, which were helpful to strengthen SCR reactivity. The V5 CexS by/TiO2 catalysts exhibited a good low temperature NH3-SCR catalytic activity. In the temperature range of 210 to 400℃, the V5 CexS by/TiO2 catalysts gave NO conversion rates above 90%. For the best V5Ce35Sb2/TiO2 catalyst, at a reaction temperature of 210℃, the NO conversion rate had already reached 90%. The catalysts had different catalytic activity with different Ce loadings. With the increase of Ce loading, the NO conversion rate also increased. | Chi Xu Jian Liu Zhen Zhao Fei Yu Kai Cheng Yuechang Wei Aijun Duan Guiyuan Jiang | 2015 | Journal of Environmental Sciences2015，27，5： | 17 |
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