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43篇 您的检索式:作者名="Heyan"
    题名 作者 年代 出处 被引量
1Ecological water demand:the case of the slope systems in the East Liaohe River Basin显示文摘The ecological water demand (EWD) is the least water amount required to maintain the structure and the function of the special eco-system and the temporal scale of a study on the EWD must be a season's time. Based on GIS and RS with the source information of hydrological data of 46 hydrological gauges covering 52 years and the digital images of Landsat TM in 1986, 1996 and 2000, the landscape patterns, precipitation and runoff in the East Liaohe River Basin were analyzed. With the result of the above analysis, the spatial and temporal changes of the ecological water demand in the slope systems (EWDSS) of the East Liaohe River Basin (ELRB) were derived. Landscapes in the ELRB are dispersed and strongly disturbed by human actions. The hydrological regime in ELRB has distinct spatial variations. The average annual EWDSS in the ELRB is 504.72 mm (324.08-618.89 mm), and the average EWDSS in the growth season (from May to September) is 88.29% of the year's total EWDSS .The ultimate guaranteeing ratio of the EWDSS in ELRB is 90%. The scarce EWDSS area in the whole year and in the growth season are 60.47% and 74.01% of the entire basin respectively. The trend of scarce EWDSS area is most serious according to the quantity and area of scarce EWDSS regions.YANDenghua HEYan DENGWei HOUYoushun 2003Journal of Geographical Sciences2003,13,4:4
2Studies on treatment of chlorophenol-containing wastewater by microbial fuel cell显示文摘A microbial fuel cell with 4-CP as oxidant was established to investigate the feasibility of 4-CP dechlorination in the cathodic chamber of MFC. It demonstrated good performance on electricity generation with Pmax 12.4 mW/m2 and CE 22.7%. Besides, 60 mg/L 4-CP could be completely dechlorinated in 45 h in the MFC, and 4-CP dechlorination process and electricity generation process had obvious synergistic effect.GU HeYan ZHANG XingWang LI ZhongJian LEI LeCheng 2007Chinese Science Bulletin2007,52,24:3
3An Outbreak of the SARS-CoV-2 Omicron Variant BA.1—Zhuhai City,Guangdong Province,China,January 13,2022显示文摘On January 13,2022,Zhuhai CDC received a notification that a coronavirus disease 2019(COVID-19)case was found in the fever clinic in nearby Zhongshan City.Zhuhai CDC promptly carried out large-scale population screening in three nearby counties.A total of 4 COVID-19 cases were found in Nanping County.34 cases were screened from close contacts,and 2 cases were reported from close contacts in other cities of Guangdong Province.The 20 cases were sequenced by Guangdong CDC and identified as the variant of concern(VOC)/Omicron variant BA.1.Since January 14,Zhuhai has carried out 8 rounds of nucleic acid screening for COVID-19 in the county where the cases occurred.Four large-scale nucleic acid screening tests for COVID-19 were conducted across the city,and no new community cases were reported after January 15.Feng Ruan Xuebao Zhang Songjian Xiao Xihe Ni Xiling Yin Zhongwen Ye Guorong Chen Tingting Zhu Zeling Chen Gang Yao Long Chen Sichen Huang Huitao Huang Yi Zhou Heyan Wu Hui Huang Kejing Zhu Shanzi Huang Xiaoou Tang Min Kang Bosheng Li Wenhua Mei 2022China CDC weekly2022,4,30:2
4Social Influence Analysis: Models, Methods, and Evaluation显示文摘Kan Li Lin Zhang Heyan Huang 2018Engineering2018,4,1:2
5The preliminary efficacy of interferon-α and ribavirin combination treatment of chronic hepatitis C in HIV-infected patients显示文摘Background It is internationally accepted that in drug-nave individuals with hepatitis C virus (HCV) and human immunodeficiency virus (HIV) co-infection, chronic hepatitis C should be treated first if the CD4 cell count does not require the initiation of anti-retroviral therapy. Present paper evaluated the clinical effect and side-effect of interferon-α (IFN-α) and ribavirin (RBV) combination therapy for Chinese patients with HCV-HIV co-infection, and compared with them for HIV infection alone. Methods Ten patients with HCV-HIV and 17 patients with HCV received 5 million unit IFNα-2b every other day intramuscularly, and 300 mg RBV triple daily by oral. Dynamic observations were made for HCV RNA and HIV RNA loads, CD4^+ and CD8^+ T lymphocyte counts, liver function and blood cell measurement, and the medicine side-effects. Results After 12-week and 24-week treatments of IFN-α and RBV combination therapy, mean HCV RNA levels reduced 1.14 logs and 1.56 logs from the baseline at week 0 in HCV-HIV co-infection, and reduced 1.48 logs and 1.75 logs in HCV infection, respectively. The HIV RNA levels decreased 1.22 logs and 1.32 logs from the base line; however, there were no obvious different changes at T lymphocyte counts of HCV-HIV and HCV patients through 24-week treatments. Whole 27 patients showed satisfactory biochemical response to therapy. There were some mild or mediate influence-like symptoms, intestinal uncomfortable and depressed blood cell counts in early stage of the treatments. No neuropsychiatric and auto-immune disorders were found. Conclusions IFN-α and RBV combination therapy had similar anti-HCV effects during 24-week treatment for HCV-HIV and HCV infected Chinese patients, and some anti-HIV effect. There were no obvious different biochemical responses and side-effects between two groups above.ZHENGYu-huang ZHANGChun-ying HEYan ZHOUHua-ying ZOUWen DINGPei-pei HUANGLi LIHui 2005Chinese Medical Journal2005,,14:2
6Integrating Pronunciation into Chinese-Vietnamese Statistical Machine Translation显示文摘Statistical machine translation for low-resource language suffers from the lack of abundant training corpora. Several methods, such as the use of a pivot language, have been proposed as a bridge to translate from one language to another. However, errors will accumulate during the extensive translation pipelines. In this paper,we propose an approach to low-resource language translation by exploiting the pronunciation correlations between languages. We find that the pronunciation features can improve both Chinese-Vietnamese and VietnameseChinese translation qualities. Experimental results show that our proposed model yields effective improvements,and the translation performance(bilingual evaluation understudy score) is improved by a maximum value of 1.03.Anh Tran Huu Heyan Huang Yuhang Guo Shumin Shi Ping Jian 2018Tsinghua Science and Technology2018,23,6:2
7Ternary sequential analytic optimization algorithm for SVM classifier design 显示文摘DaiLiuling Huang Heyan Chen Zhaoxiong 2005Asian Journal of Information Technology2005,4,3:1
8Nitrate removal from groundwater by a novel three-dimensional electrode hiofilm reactor 显示文摘ZHOU Minghua FU Wenjing GU Heyan 2007Electrochimica Acta2007,52,:1
9Nanjing Institute of Geology and Palaeontology显示文摘HeYan(何炎) YueZhi-lan(岳志兰) 1987.Triassic foraminifera from Maantang of Jiangyou Sichuan. Bulletin 中国科学院南京地质古生物研究所丛刊0,,:1
10Nitrate removal from groundwater by a novel three-dimensional electrode biofilm reactor 显示文摘Zhou Minghua Fu Wenjing Gu Heyan 2007Electrochim Acta2007,52,19:1
11Self-Adaptive Topic Model: A Solution to the Problem of "Rich Topics Get Richer"显示文摘The problem of 'rich topics get richer'(RTGR) is popular to the topic models,which will bring the wrong topic distribution if the distributing process has not been intervened.In standard LDA(Latent Dirichlet Allocation) model,each word in all the documents has the same statistical ability.In fact,the words have different impact towards different topics.Under the guidance of this thought,we extend ILDA(Infinite LDA) by considering the bias role of words to divide the topics.We propose a self-adaptive topic model to overcome the RTGR problem specifically.The model proposed in this paper is adapted to three questions:(1) the topic number is changeable with the collection of the documents,which is suitable for the dynamic data;(2) the words have discriminating attributes to topic distribution;(3) a selfadaptive method is used to realize the automatic re-sampling.To verify our model,we design a topic evolution analysis system which can realize the following functions:the topic classification in each cycle,the topic correlation in the adjacent cycles and the strength calculation of the sub topics in the order.The experiment both on NIPS corpus and our self-built news collections showed that the system could meet the given demand,the result was feasible.FANG Ying 2014China Communications2014,11,12:1
12Ternary sequential analytic optimization algorithm for SVM classifier design显示文摘Dai Liuling Huang Heyan Chen Zhaoxiong 2005Asian Journal of Information Technology2005,4,3:1
13The effect oflubrication film thickness on thermoelastic instabilityunder fluid lubricating condition显示文摘ZHAO Jiaxin MA Biao LI Heyan 2013Wear2013,303,12:1
14Nitrate removal from groundwater by a novel three-dimensional electrode biofilm reactor显示文摘Minghua Zhou Wenjing Fu Heyan Gu Lecheng Lei 2007Electrochimica Acta2007,,19:1
15Total synthesis of dansyl and biotin functionalized ganglioside GM3 by chemoenzymatic method显示文摘Ganglioside GM3, as well as other gangliosides, offers a variety of modifications in its sialic acid and ceramide moieties GM3 exhibits various types of important biological activities, due to the inability to effectively observe the trafficking of ganglioside GM3, developing sensitive research tools for specific monitoring of GM3 expression and activity is thus desirable. The total synthesis of a dansyl and biotin bifunctionalized fluorescent ganglioside GM3 were reported in this article. From lactose after 13 reaction steps, the compound of 2′ -biotinoylaminoethyl-6-N-dansylamido-6-deoxy-β-D-galatopyranosyl-(1→4)-β-D-glucopy-ranoside was obtained in total yield of 16.2%. Sialylation of dansyl and biotin functionalized lactose by enzymatic method gave dansyl and biotin labeled ganglioside GM3. The fluorescent property of this compound was also investigated.SUN Bin JIANG HeYan 2013Science China Chemistry2013,56,7:1
16Nitrate removal from groundwater by a novel three-dimensional electrode-bio-film reactor 显示文摘Minghua Zhou Wenjing Fu Heyan Gu 2007ElectrochimicaAc-ta2007,52,19:1
17Alkoxysilane functionalized polycaprolactone/polysiloxane modified epoxy resin through sol–gel process显示文摘Pinggui Liu Jiangxuan Song Lihua He Xingquan Liang Heyan Ding Qifang Li 2007European Polymer Journal2007,,3:1
18显示文摘HeYaning(和亚宁) RenHongfeng(任鸿烽) ShiLin(石琳) WangXiaogong(王晓工) 高分子学报0,,:1
19Effects of carbon on Pr_(0.15)Tb_(0.30)Dy_(0.55)Fe_(1.85) compound显示文摘The structure, Curie temperature and magnetostriction of Pr0.15Tb0.30Dy0.55Fe1.85Cx (x=0-0.1) compounds were investigated by X-ray diffraction, a vibrating sample magnetometer and a standard strain technique. All the samples show entirely MgCu2-type Laves phase structure. The lattice parameter and Curie temperature increase with C content increasing. The magnetostriction at high magnetic field shows maximum value at x=0.05.LIU Heyan LI Yangxian YU Xiao LI Songtao MENG Xiangxi XU Xuewen 2006Rare Metals2006,25,z2:1
20The effect of lubrication film thickness on the thermoelastic instability under fluid lubrication condition显示文摘ZHAO Jiaxin MA Biao LI Heyan 2013Wear2013,303,12:1
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