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| 1 | 绿肥间作对茶树根际土壤真菌群落的影响显示文摘通过IonS5TM XL高通量测序技术探讨了茶园间作光叶苕子-茶肥1号(CF)、湘野豌1号-田菁(TJ)、肥田萝卜-圆叶决明(JM)对茶树根际土壤真菌群落结构特征和土壤养分的影响。结果表明:与对照(无间作)相比,间作绿肥提高了土壤有机质、全氮、碱解氮、有效磷和速效钾的含量,其提高幅度分别为1.19%~23.79%、0.87%~12.17%、4.37%~14.34%、23.08%~62.12%和7.70%~44.06%。茶树根际土壤真菌Shannon指数和Chaos指数的变化趋势均为TJ>CK>JM>CF,其中TJ与CF处理间差异显著(P<0.05),其他处理间差异不显著(P>0.05)。被孢霉门(Mortierellomycota)、子囊菌门(Ascomycota)和担子菌门(Basidiomycota)为茶树根际土壤中三大优势真菌门,绿肥间作提高了担子菌门的相对丰度,降低了球囊菌门(Glomeromycota)和罗兹菌门(Rozellomycota)的相对丰度;被孢霉纲(Mortierellomycetes)、银耳纲(Tremellomycetes)和粪壳菌纲(Sordariomycets)为三大优势菌纲;沙蜥属(Saitozyma)、被孢霉属(Mortierell)和镰刀霉属(Fusarium)为3大优势菌属。冗余(RDA)分析结果显示,土壤全磷、有效磷、有机质、全氮和碱解氮影响茶树根际土壤真菌群落结构。经FUNGuild软件平台分析显示,茶树根际包含如下生态功能群:未定义腐生菌、丛枝菌根、真菌寄生菌、木质腐生菌、动物病原菌、植物病原菌、外生真菌等。茶园间作绿肥翻埋还田,能有效调节茶树根际土壤真菌群组成,改善茶园土壤生态环境,是实现茶叶绿色可持续发展的重要措施。 | 傅海平 周品谦 王沅江 莫泽东 李泽恒 马青平 Hoang Ha Nguyen 黎星辉 | 2020 | 茶叶通讯2020,47,3: | 15 |
| 2 | Synthesis and characterization of NaYF4:Yb3+,Er3+@silica-N=folic acid nanocomplex for bioimaginable detecting MCF-7 breast cancer cells显示文摘Upconversion nanophosphors are new promising nanomaterials to be used as biolabels for detection and imaging of cancer cells.These nanophosphors absorb long-wavelength excitation radiation in the infrared or near infrared region and emit shorter wavelength,higher energy radiation from ultraviolet to infrared.In this paper,we studied the hydrothermal method and optical properties of the functionalized NaYF4:Yb^3+,Er^3+for biomedical application.After synthesis,these NaYF4:Yb^3+,Er^3+nanophosphors were functionalized with aminosilanes and folic acid.Folic acid binds to the folate receptor on the surface of MCF-7 breast cancer cells and this binding promotes internalization of the nanophosphors via endocytosis.The sizes of the functionalized NaYF4:Yb^3+,Er^3+@silica-N=FA(folic acid)nanophosphors can be controlled with length of the rod about 300-800 nm and diameter of the rod about 100-200 nm.Phase structure of NaYF4:Yb^3+,Er^3+is in hexagonal crystal system.The photo luminescence(PL)spectra of the functionalized NaYF4:Yb^3+,Er^3+@silica-N=FA nanophosphors were measured.These nanophosphors emit in red color with the strongest band at 650 nm under 980 nm excitation.This result can provide NaYF4:Er^3+,Yb^3+@silica-N=FA complex for developing fluorescence label and image tool in cancer biology and medicine. | Ha Thi Phuong Tran Thu Huong Le Thi Vinh Hoang Thi Khuyen Do Thi Thao Nguyen Thanh Huong Pham Thi Lien Le Quoc Minh | 2019 | Journal of Rare Earths2019,37,11: | 5 |
| 3 | Hydrocarbon Systems in the North-Eastern Area of the Song Hong Basin显示文摘 | Trinh Xuan Cuong Phan Ngoc Trung Tong Duy Cuong Nguyen Bich Ha Phung Lan Phtro'ng Hoang ThiLan Nguyen Hoang Son | 2013 | Journal of Earth Science and Engineering2013,3,12: | 3 |
| 4 | Structural Characteristics of Allomyrina Dichotoma Beetle's Hind Wings for Flapping Wing Micro Air Vehicle显示文摘 | Ngoc San Ha Quang Tri Truong Hoang Vu Phan Nam Seo Goo Hoon Cheol Park | 2014 | Journal of Bionic Engineering2014,11,2: | 3 |
| 5 | Development of a PARCS/Serpent model for neutronics analysis of the Dalat nuclear research reactor显示文摘Cross-sectional homogenization for full-core calculations of small and complex reactor configurations,such as research reactors,has been recently recognized as an interesting and challenging topic.This paper presents the development of a PARCS/Serpent model for the neutronics analysis of a research reactor type TRIGA Mark-II loaded with Russian VVR-M2 fuel(known as the Dalat Nuclear Research Reactor or DNRR).The full-scale DNRR model and a supercell model for a shim/safety rod and its surrounding fuel bundles with the Monte Carlo code Serpent 2 were proposed to generate homogenized fewgroup cross sections for full-core diffusion calculations with PARCS.The full-scale DNRR model with Serpent 2 was also utilized as a reference to verify the PARCS/Serpent calculations.Comparison of the effective neutron multiplication factors,radial and axial core power distributions,and control rod worths showed a generally good agreement between PARCS and Serpent 2.In addition,the discrepancies between the PARCS and Serpent 2 results are also discussed.Consequently,the results indicate the applicability of the PARCS/Serpent model for further steady state and transient analyses of the DNRR. | Viet-Phu Tran Kien-Cuong Nguyen Donny Hartanto Hoai-Nam Tran Vinh Thanh Tran Van-Khanh Hoang Pham Nhu Viet Ha | 2021 | Nuclear Science and Techniques2021,32,2: | 2 |
| 6 | Locally weighted learning based hybrid intelligence models for groundwater potential mapping and modeling: A case study at Gia Lai province, Vietnam显示文摘The groundwater potential map is an important tool for a sustainable water management and land use planning,particularly for agricultural countries like Vietnam.In this article,we proposed new machine learning ensemble techniques namely AdaBoost ensemble(ABLWL),Bagging ensemble(BLWL),Multi Boost ensemble(MBLWL),Rotation Forest ensemble(RFLWL)with Locally Weighted Learning(LWL)algorithm as a base classifier to build the groundwater potential map of Gia Lai province in Vietnam.For this study,eleven conditioning factors(aspect,altitude,curvature,slope,Stream Transport Index(STI),Topographic Wetness Index(TWI),soil,geology,river density,rainfall,land-use)and 134 wells yield data was used to create training(70%)and testing(30%)datasets for the development and validation of the models.Several statistical indices were used namely Positive Predictive Value(PPV),Negative Predictive Value(NPV),Sensitivity(SST),Specificity(SPF),Accuracy(ACC),Kappa,and Receiver Operating Characteristics(ROC)curve to validate and compare performance of models.Results show that performance of all the models is good to very good(AUC:0.75 to 0.829)but the ABLWL model with AUC=0.89 is the best.All the models applied in this study can support decision-makers to streamline the management of the groundwater and to develop economy not only of specific territories but also in other regions across the world with minor changes of the input parameters. | Hoang Phan Hai Yen Binh Thai Pham Tran Van Phong Duong Hai Ha Romulus Costache Hiep Van Le Huu Duy Nguyen Mahdis Amiri Nguyen Van Tao Indra Prakash | 2021 | Geoscience Frontiers2021,12,5: | 1 |
| 7 | Ecoregional variations of aboveground biomass and stand structure in evergreen broadleaved forests显示文摘Biotic and abiotic factors control aboveground biomass(AGB)and the structure of forest ecosystems.This study analyses the variation of AGB and stand structure of evergreen broadleaved forests among six ecoregions of Vietnam.A data set of 1731-ha plots from 52 locations in undisturbed old-growth forests was developed.The results indicate that basal area and AGB are closely correlated with annual precipitation,but not with annual temperature,evaporation or hours of sunshine.Basal area and AGB are positively correlated with trees>30 cm DBH.Most areas surveyed(52.6%)in these old-growth forests had AGB of 100–200 Mg ha^-1;5.2%had AGB of 400–500 Mg ha^-1,and 0.6%had AGB of>800 Mg ha^-1.Seventy percent of the areas surveyed had stand densities of 300–600 ind.ha^-1,and 64%had basal areas of 20–40 m^2 ha^-1.Precipitation is an important factor influencing the AGB of old-growth,evergreen broadleaved forests in Vietnam.Disturbances causing the loss of large-diameter trees(e.g.,>100 cm DBH)affects AGB but may not seriously affect stand density. | Tran Van Do Mamoru Yamamoto Osamu Kozan Vo Dai Hai Phung Dinh Trung Nguyen Toan Thang Lai Thanh Hai Vu Thanh Nam Trieu Thai Hung Hoang Van Thang Tran Duc Manh Cao Chi Khiem Vu Tien Lam Nguyen Quang Hung Tran Hoang Quy Pham Quang Tuyen Trinh Ngoc Bon Nguyen Thi Thu Phuong Ninh Viet Khuong Nguyen Van Tuan Dang Thi Hai Ha Tran Hai Long Dang Van Thuyet Dang Thinh Trieu Nguyen Van Thinh Tran Anh Hai Duong Quang Trung Nguyen Van Bich Dinh Hai Dang Pham Tien Dung Nguyen Huy Hoang Le Thi Hanh Phan Minh Quang Nguyen Thi Thuy Huong Hoang Thanh Son Nguyen Thanh Son Nguyen Thi Van Anh Nguyen Thi Hoai Anh Pham Dinh Sam Hoang Thi Nhung Hoang Van Thanh Nguyen Huu Thinh Tran Hong Van Ho Trung Luong Bui Kieu Hung | 2020 | Journal of Forestry Research2020,31,5: | 1 |
| 8 | !999 Interorganizational Eniiorsements and the Performance Of Entrepreneurial Ventares 显示文摘 | Toby E Stuart Ha Hoang Ralph C Hybels | 1999 | Administrative Science Quarterly1999,44,2: | 1 |
| 9 | Network-based re- search in entrepreneurship A critical review显示文摘 | HA HOANG BOSTJAN ANTONCIC | 2003 | Journal of Business Venturing2003,18,: | 1 |
| 10 | Characterization and activity of Fe-ZSM-5 catalysts for the total oxidation of phenol in aqueous solutions显示文摘 | Nguyen Huu Phu Tran Thi Kim Hoa Nguyen Van Tan Hoang Vinh Thang Pham Le Ha | 2001 | Applied Catalysis B Environmental2001,,4: | 1 |
| 11 | Network-based research in entrepreneurship =A critical review显示文摘 | Ha Hoang Bostjan Antoneie | 2003 | Journal of Business Venturing2003,18,2: | 1 |
| 12 | Spinel ferrite thin-film synthesis by spin-spray ferrite plating 显示文摘 | Tran Hoang Hai Ha Thi Bieh Van Tran Canh Phong | 2003 | Physiea B2003,327,: | 1 |
| 13 | Killed Bacillus subti- lis spores expressing streptavidin : a novel carrier of drugs to target cancer cells显示文摘 | Nguyen VA Huynh HA Hoang TV | 2013 | J Drug Target2013,21,6: | 1 |
| 14 | Results of treatment for chronic pancreatitis by the combined Frey and Beger procedure显示文摘 | Hoang Ha P | 2015 | J Visc Surg2015,152,2: | 1 |
| 15 | Age as Risk Factor for H elicobacter pylori Recurrence in Children in V ietnam显示文摘 | Thi Viet Ha Nguyen Carina Bengtsson Gia Khanh Nguyen Li Yin Thi Thu Ha Hoang Dac Cam Phung Mikael S?rberg Marta Granstr?m | 2012 | Helicobacter2012,,6: | 1 |
| 16 | Network-based Re-search in Entrepreneurship:A Critical Review显示文摘 | HA HOANG BOSTJAN ANTONCIC | | 0,,18: | 1 |
| 17 | Energy and emission analyses of renovation scenarios of a Moscow residential distruct显示文摘 | Satu Paiho Ha Hoang Asa Hedman | 2014 | Energy and Build- ings2014,,76: | 1 |
| 18 | Occurrence, fate and antibiotic resistance of fluoroquinolone antibacterials in hospital wastewa- ters in Hanoi, Vietnam 显示文摘 | Duong Hong Anh Pham Ngoc Ha Nguyen Hoang Tung | 2008 | Chemosphere2008,72,6: | 1 |
| 19 | Leveraging internal and external experience:exploration,exploitation,and R&D project performance显示文摘 | Ha Hoang Frank T.Rothaermel | | 0,,07: | 1 |
| 20 | Network-based research inentrepreneurship:a critical review显示文摘 | Hoang Ha Antoncic B | 2003 | Journal of Busi-ness Venturing2003,18,2: | 1 |