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| 1 | Development of a national VNIR soil-spectral library for soil classification and prediction of organic matter concentrations显示文摘Soil visible-near infrared diffuse reflectance spectroscopy(vis-NIR DRS)has become an important area of research in the fields of remote and proximal soil sensing.The technique is considered to be particularly useful for acquiring data for soil digital mapping,precision agriculture and soil survey.In this study,1581 soil samples were collected from 14 provinces in China,including Tibet,Xinjiang,Heilongjiang,and Hainan.The samples represent 16 soil groups of the Genetic Soil Classification of China.After air-drying and sieving,the diffuse reflectance spectra of the samples were measured under laboratory conditions in the range between 350 and 2500 nm using a portable vis-NIR spectrometer.All the soil spectra were smoothed using the Savitzky-Golay method with first derivatives before performing multivariate data analyses.The spectra were compressed using principal components analysis and the fuzzy k-means method was used to calculate the optimal soil spectral classification.The scores of the principal component analyses were classified into five clusters that describe the mineral and organic composition of the soils.The results on the classification of the spectra are comparable to the results of other similar research.Spectroscopic predictions of soil organic matter concentrations used a combination of the soil spectral classification with multivariate calibration using partial least squares regression(PLSR).This combination significantly improved the predictions of soil organic matter(R2=0.899;RPD=3.158)compared with using PLSR alone(R2=0.697;RPD=1.817). | SHI Zhou WANG QianLong PENG Jie JI WenJun LIU HuanJun LI Xi Raphael A VISCARRA ROSSEL | 2014 | Science China Earth Sciences2014,57,7: | 32 |
| 2 | Vitamin D receptor and its protective role in diabetic nephropathy显示文摘 | Guan Xiaoling Yang Huajie Zhang Wei Wang Huanjun Liao Lin | 2014 | Chinese Medical Journal2014,,2: | 22 |
| 3 | Sources, Toxicity and Detection Techniques of Semicarbazide: A Review显示文摘Semicarbazide has become an important pollutant in the environment,but there was no comprehensive literature on its advances.In this review,the source,biotoxicity and detection methods are summarized.Among the sources is the material of chemical reaction,a metabolite of nitrofurazone,food processing(production by azobisformamide and hypochlorite treatment),endogenous substances,etc.Semicarbazide is demonstrated to be accumulative and reproductive toxicity,mutagenicity and genotoxicity,endocrine disruptors,and neurotoxicity.There are still many controversies on the effect of genotoxicity and no clear result on the carcinogenic mechanism.HPLC-MS/MS is the mainstream of the detection methods.Other methods,including HPLC,immunoassay method,biosensor method,electrochemical detection,capillary electrophoresis technique,and spectral techniques mainly,have become less and less in recent years.On all these counts,to reduce the content of semicarbazide in the environment,the key is to control the use of nitrofurazone as the banned drug effectively.Meanwhile the toxicity data should be supplemented to reveal its toxic mechanism. | TIAN Xiuhui LI Huanjun HAN Dianfeng WEN Fenggong LIU Huan LIU Ge PENG Kaixiu GONG Xianghong LIU Xin WANG Weiyun YU Haixia XU Yingjiang | 2021 | Journal of Ocean University of China2021,20,5: | 2 |
| 4 | A machine vision inspector for boer bottle显示文摘 | Duan Feng Wang Yaonan Liu Huanjun | 2007 | Engineering Applications of Artificial Intelligence2007,20,7: | 1 |
| 5 | Pelagic-benthic coupling of the microbial food web modifies nutrient cycles along a cascade-dammed river显示文摘Cascade dams disrupt the river continuum,altering hydrology,biodiversity and nutrient flux.Describing the diversity of multi-trophic microbiota and assessing microbial contributions to the ecosystem processes are prerequisites for the restoration of these aquatic systems.This study investigated the microbial food web structure along a cascade-dammed river,paying special attention to the multi-trophic relationships and the potential role of pelagic-benthic coupling in nutrient cycles.Our results revealed the discontinuity in bacterial and eukaryotic community composition,functional group proportion,as well as a-diversity due to fragmentation by damming.The high microbial dissimilarity along the river,with the total multi-trophic P-diversity was 0.84,was almost completely caused by species replacement.Synchronization among trophic levels suggests potential interactions of the pelagic and the benthic groups,of which the p-diversities were primarily influenced by geographic and environmental factors,respectively.Dam-induced environmental variations,especially hydrological and nutrient variables,potentially influence the microbial food web via both top-down and bottom-up forces.We proposed that the cycles of carbon,nitrogen and phosphorus are influenced by multi-trophic groups through autotrophic and heterotrophic processes,predator-prey relationships,as well as the release of nutrients mainly by microfauna.Our results advance the notion that pelagic-benthic trophic coupling may intensify the accumulation of organic carbon,ammonium and inorganic phosphorus,thereby changing the biogeochemical patterns along river systems.As a consequence,researchers should pay more attention to the multi-trophic studies when assessing the environmental impacts,and to provide the necessary guidance for the ecological conservation and restoration of the dam-regulated systems. | Nan Yang Linqiong Wang Li Lin Yi Li Wenlong Zhang Lihua Niu Huanjun Zhang Longfei Wang | 2022 | Frontiers of Environmental Science & Engineering2022,16,4: | 1 |
| 6 | A partial information linear-quadratic optimal control problem of backward stochastic differential equation with its applications显示文摘In this paper,we investigate a kind of partial information linear-quadratic optimal control problem driven by a backward stochastic differential equation,where the state equation and the cost functional contain diffusion terms.Using maximum principle,we derive the corresponding Hamiltonian system,which is a conditional mean-field forward-backward stochastic differential equation.By the backward separation approach and the filtering technique,we get two Riccati equations,and a backward and a forward optimal filtering equations.Then a feedback form of optimal control is obtained.We also extend the control problem to the case of mean-field backward stochastic differential equation under partial information.A corresponding feedback form of optimal control is also obtained. | Pengyan HUANG Guangchen WANG Huanjun ZHANG | 2020 | Science China(Information Sciences)2020,63,9: | 1 |
| 7 | Research Progress on the Pathogenesis of Hemorrhagic Fever with Renal Syndrome显示文摘Hemorrhagic fever with renal syndrome(HFRS)is an acute natural focus epidemic disease characterized by fever,shock,hemorrhage and kidney injury caused by hantavirus infection.Hantavirus mainly infects human vascular endothelial cells,and induces extensive damage to small blood vessels and capillaries.Increased vascular permeability is the pathological basis for clinical manifestations of HFRS.Although domestic and foreign scholars have carried out many studies on the hantavirus pathogenesis,such as the immune pathological response induced by hantavirus,host genetics and apoptosis,thrombocytopenia,coagulation and fibrinolysis dysfunction,and the vascular endothelial damage,the pathogenesis of HFRS has not been fully elucidated and there is no effective drug yet.In-depth discussion of the molecular mechanism of HFRS and finding effective therapeutic drugs are still the research hotspots on the field of hantavirus/HFRS.This review will elaborate the research progress on the pathogenesis of HFRS in recent years. | Hong Du Pingzhong Wang Xuefan Bai Jing Li Xiaoyan Wang Haifeng Hu Ying Zhang Hong Jiang Huanjun Shen Jiayi Zhan Jianqi Lian | 2022 | Infectious Diseases & Immunity2022,2,4: | 1 |
| 8 | A Machine Vision Inspector for Beer Bottle显示文摘 | Duan Feng Wang Yaonan Liu Huanjun | 2007 | Engineering Appli- cations of Artificial Intelligence2007,20,7: | 1 |
| 9 | A machine vision inspector for beer bottle显示文摘 | Duan Feng Wang Yaonan Liu Huanjun | 2007 | Engineering Applications of Artificial Intelligence2007,20,7: | 1 |
| 10 | An empty bottle intelli- gent inspector based on support vector machines and fuzzy theo- ry显示文摘 | Liu Huanjun Wang Yaonan Duan Feng | 2006 | Intelligent Control and Automation2006,6,2: | 1 |
| 11 | A real-time machine vi- sion system for bottle finish inspection 显示文摘 | Duan Feng Wang Yaonan Liu Huanjun | 2004 | Control Automation2004,12,2: | 1 |
| 12 | Sensitive direct-conversion X-ray detectors formed by ZnO nanowire field emitters andβ-Ga_(2)O_(3)photoconductor targets with an electron bombardment induced photoconductivity mechanism显示文摘Sensitive X-ray detection is needed in diverse areas motivated by a common desire to reduce radiation dose.Cold cathode X-ray detectors operating with a photoelectron multiplication mechanism called electron bombardment induced photoconductivity(EBIPC)have emerged as promising candidates for low-dose X-ray detection.Herein,the cold cathode detectors formed by ZnO nanowire field emitters andβ-Ga_(2)O_(3)photoconductor targets were proposed for sensitive direct-conversion X-ray detection.The charge carrier transport mechanism of EBIPC effect in X-ray detectors was investigated to achieve a high internal gain(2.9×10^(2))and high detection sensitivity(3.0×10^(3)μCGy^(−1)_(air)cm^(−2))for a 6 keV X-ray at the electric field of 22.5 Vμm−1.Furthermore,the proposed X-ray detectors showed the features of fast response time(40 ms),long-term stability(0.6%for 1 h),and low detection limit(0.28 mGy_(air)s^(−1)),suggesting that the direct-conversion cold cathode X-ray detectors are ideal candidates for low-energy X-ray detecting and imaging applications. | ZHIPENG ZHANG MANNI CHEN XINPENG BAI KAI WANG HUANJUN CHEN SHAOZHI DENG JUN CHEN | 2021 | Photonics Research2021,9,12: | 1 |
| 13 | A Two-dimensional Dual-pore Covalent Organic Framework for Efficient Iodine Capture显示文摘Effectively capturing volatile radioiodine generated during the nuclear fission process is considered to be a safe way to the utilization of nuclear power. Here we report a new two-dimensional covalent organic framework(2D COF), ETTA-PyTTA-COF, as a highly efficient iodine adsorbent, which is constructed through the condensation reaction between 4,4’,4’’,4’’’-(ethene-1,1,2,2-tetrayl)-tetrabenzaldehyde(ETTA) and 1,3,6,8-tetrakis(4-aminophenyl)pyrene(PyTTA). The ETTA-PyTTA-COF possesses a permanent 1D channel porous structure with a high Brunauer-Emmet-Teller(BET) surface area of 1519 m2/g and excellent chemical and thermal stability. It shows ultrahigh iodine adsorption capability, which can reach up to 4.6 g/g in vapor owing to its high BET surface area, large π-conjugated structure and plenty of imine groups in the skeleton of the COF as effective iodine sorption sites. | WEN Zhongliang WANG Shenglin FU Siyao QIAN Jiaying YAN Qianqian XU Huanjun ZUO Kaiming SU Xiaofang ZENG Chaoyuan GAO Yanan | 2022 | Chemical Research in Chinese Universities2022,38,2: | 0 |
| 14 | Type 1 T-cell responses in chlamydial lung infections are associated with local MIP-1a response显示文摘Chemokines and their receptors are important mediators of leukocyte trafficking and recruitment and sometimes work as modulators of T-cell responses during infections and inflammation.Modulating the biological activity of chemokines has been found to influence the course of diseases.However,little is known about the role of chemokine responses during chlamydial lung infections.We therefore analyzed the dynamics of multiple chemokines,which are frequently associated with type 1(Th1)T cell immune responses,and their receptors for their expression in the lungs during Chlamydia muridarum(Cm)infections.We also examined the relationship between chemokine responses and the development of Th1 responses as well as the clearance of infection.Our results showed that in parallel with the high levels of gamma interferon(IFN-c)and IL-12 production in the lungs and draining lymph nodes,and the expansion of IFN-c-producing CD4 and CD81 T cells,the production of the cell-related chemokines RANTES,IFN-c-inducible protein-10(IP-10)and macrophage inflammatory protein-1a(MIP-1a)and their receptor CCR1 was elevated in the lung tissues after infection.Interestingly,in a later phase of infection,the expression of RANTES and IP-10 remained elevated but the expression of MIP-1a and CCR1 decreased to a low level,which suggests a closer association with the pattern of Th1 cytokine responses in the process of infection.These results suggest a close association between the MIP-1a response and the Th1-type T-cell responses in chlamydial lung infections . | Naihong Zhang Zhaoe Wang Xiaofei Tang Haiping Wang Hongzhao Li Huanjun Huang Hong Bai Xi Yang | 2010 | Cellular & Molecular Immunology2010,7,5: | 0 |
| 15 | A Review of Animal Individual Recognition Based on Computer Vision显示文摘With the improvement of modernization,China’s animal husbandry and fishery enterprise has ushered in a new vogue of informationization,factorization,and precision farming,and the demand for unique identification of individual animals is growing.Traditional individual animal identification methods,such as footprint identification,molecular biology,and different techniques,have low accuracy,excessive cost,and different risks.RFID technological know-how and implants put on monitoring units and different techniques additionally face invasiveinvasiveness,excessive labor costs,slender application scopes and challenges in promoting a massive place and different issues.Deep learning is enjoying an increasing number of essential positions in the discipline of animal individual identification,which has made it possible for the noninvasive recognition of individual animals.This paper discusses the progress of individual animal recognition using computer vision techniques and its application popularity in different species fields,focuses on the issues and challenges of individual animal recognition,and suggests that future lookup instructions for animal identification are foreseen. | Weifang Wang Junfeng Wu Hong Yu Huanjun Zhang Yizhi Zhou Yuxuan Zhang | 2022 | 国际计算机前沿大会会议论文集2022,,1: | 0 |
| 16 | Should radioactive iodine therapy be administrated in patient of papillary thyroid carcinoma co-existence with medullary thyroid carcinoma?显示文摘To the editor:A 57-year-old Chinese man was found to have multiple thyroid nodules by thyroid ultrasoundgraphy one year ago.The patient felt discomfort when swallowing since five months ago and a weight loss of 7 kg in five months.He denied any history of radiation in head and neck,and no family history of thyroid cancer and other endocrine disease.An enlarged thyroid and two hypoechoic nodules measuring about 17 mm × 11 mm and 6 mm × 5 mm in the right lobe with ill-defined boundary,inhomogeneous parenchyma and hyperechoic spots inside were detected by ultrasoundgraphy.Some hypoechoic,well-defined and enlarged lymph nodes were detected in both sides of the neck. | Zhao Junyu Dong Jianjun Sun Qing Wang Huanjun Zhang Zhongwen Zhou Xiaojun Liao Lin | 2014 | Chinese Medical Journal2014,,16: | 0 |
| 17 | Dipole and charge effects of chloroaluminum phthalocyanine revealed by local work function measurements at sub-molecular level显示文摘Work function plays a significant role in surface chemistry. Local work function provides the information of local dipole-dipole interaction and charge distribution between adsorbates and substrate, highlighting the local charge effect of the targeted spot which is normally smeared out in conventional average work function measurements. Chloroaluminum phthalocyanine(ClAlPc), an important optoelectronic molecule with a permanent dipole moment pointing from the Pc ring to the ending Cl atom, adsorbed on Au(111) in either Cl-up or Cl-down configuration. Scanning tunneling microscopy/spectroscopy measurements revealed that at the centers of Cl-up and Cl-down molecules, the local work functions changed oppositely with respect to the Au(111) substrate. At their Pc lobes, however, the local work functions unanimously increased due to charging effect of the indole lobes in the ClAlPc molecule. | Huanjun Song Na Li Hao Zhu Zhantao Peng Wenhui Zhao Haoran Chen Wei Chen Yongfeng Wang Kai Wua | 2018 | Chinese Chemical Letters2018,29,3: | 0 |