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| 1 | 不同产地野生黑果枸杞资源果实多酚组成分析显示文摘目的黑果枸杞(Lycium ruthenicum Murr.)主要分布于中国西北地区。其果实在传统中药中被用来治疗心脏病、月经异常及停经等疾病。近年来,发现多酚特别是花色苷类物质是其主要的功效成分。测定并评价不同产地野生黑果枸杞果实中花色苷等多酚的组成情况,为黑果枸杞的品种选育及开发利用提供依据。方法采用分光光度计测定其总酚、总黄酮、总花色苷含量;采用HPLC-MS方法分析鉴定黑果枸杞酚类物质组成及结构;并根据总多酚含量、总黄酮含量、总花色苷含量及多酚共有峰峰面积分别对26个不同产地黑果枸杞的多酚检测结果进行聚类分析。结果 26个不同产地的黑果枸杞资源果实的总酚含量、总黄酮含量、总花色苷含量的变化幅度分别为8.25—87.77 mg GAE·g-1、18.03—60.44 mg RE·g-1、8.21—31.46 mg·g-1。不同产地的材料间差异较大,其中青海格尔木乌图美仁、新疆甘河子、新疆巴仑台镇、宁夏贺兰12-01黑果枸杞总酚、总黄酮及总花色苷含量较高;通过HPLC-MS分析鉴定,19个多酚类化合物被鉴定出。其中7个为酰化类花色苷,主要花色苷为Petunidin-3-O-rutinoside(cis-p-coumaroyl)-5-O-glucoside。在所有供试黑果枸杞不同产地的材料中共检测到12种共有酚类化合物,其中Petunidin-3-O-rutinoside(cis-p-coumaroyl)-5-O-glucoside在所有供试黑果枸杞中的含量均最高,是黑果枸杞花色苷类多酚的主要成分。各产地样品HPLC特征图谱相似,有个别质量较差的情况存在;聚类参数不同,聚类结果略有差异。根据总酚含量、总黄酮含量、总花色苷含量聚类,聚为7类,甘肃民勤中渠、新疆喀什、宁夏贺兰12-1聚为第六类,新疆甘河子单独聚为第七类,该两类总酚、总黄酮及总花色苷含量均含量分别介于57.74—87.77 mg·g-1、41.52—55.46 mg·g-1和12.25—28.54 mg·g-1。总酚、总黄酮及总花色苷含量都很高,特别是新疆甘河子产地,可作为以多酚和花色苷含量为指标的优质良种材料。根据共有峰面积共聚为5类,其中宁夏贺兰12-1、青海格尔木乌图美仁、新疆甘河子为一类,该类峰面积很高,其中主成分峰面积介于2 350.84—3 092.94。新疆巴轮台镇单独一类,其主成分峰面积高达为3 579.96。结论 26个不同产地的黑果枸杞中多数富含多酚类物质,特别是酰化矮牵牛素花色苷含量丰富,是较好的开发富含花色苷类多酚的功能性食品资源。 | 闫亚美 戴国礼 冉林武 罗青 李晓莺 秦垦 巫鹏举 曾晓雄 曹有龙 | 2014 | 中国农业科学2014，47，22： | 68 |
| 2 | 应用RAPD标记技术探讨枣与酸枣的分类学关系显示文摘Genetic relationships between Ziziphus jujuba and Ziziphus spinosa populations were studied using RAPD data in population genetics. 275 loci were gained among which 249 loci were polymorphic by 22 primers. The polymorphic loci percentage was 89% among Z.spinosa population while that of Z.jujuba population was 56%. 31 specific RAPD markers were detected on 3 Z.jujuba varieties and 15 Z.spinosa forms. Cluster analysis showed: when λ=12, the forms tested were divided into 2 groups. One included Z. jujuba cv. Zanhuangdazao, Yudichuangan, Yuanshichuangan, Xiaochuangan, Qiantai No.1, Luzhuangchuangan; the other included Z. jujuba cv. Zilingdan and 26 Z. spinosa forms. All above indicated that Z. jujuba and Z.spinosa should be regarded as two separate species. | 刘平 彭建营 彭士琪 周俊义 代丽 | 2005 | 林业科学2005，41，2： | 30 |
| 3 | Cluster analysis for syndromes of real-world coronary heartdisease with angina pectoris显示文摘Syndromes of coronary heart disease with angina pectoris were analyzed to provide guidance forclinical practice and to improve accuracy of traditional Chinese medicine (TCM) diagnoses and efficacy of TCMtreatment. A total of 860 cases with coronary heart disease with angina pectoris were selected from TCM ClinicalResearch Information Sharing System for TCM clinics and research. Syndromes were automatically extractedwith the cluster method and were analyzed to provide objective evidence for clinical studies. Final syndromeclassifications were recognized and confirmed by clinical experts. Popular syndromes included Qi and blooddeficiency, blood stasis and obstruction collaterals, liver depression and spleen deficiency, and Qi stagnation andblood stasis. Syndromes Qi and blood deficiency and blood stasis and obstruction collaterals accounted for 28.61%of total syndromes, whereas liver depression and spleen deficiency and Qi stagnation and blood stasis accountedfor 26.44%. The main syndrome elements comprised Qi deficiency, blood deficiency, blood stasis, and Qistagnation. | Yufeng Zhao Xueyun Yu Xinyu Cao Lin Luo Liyun He Shusong Mao Li Ma Peijing Rong Yuxue Zhao Guozheng Li Baoyan Liu | 2018 | Frontiers of Medicine2018，12，5： | 28 |
| 4 | Advances in theory and applications of fuzzy clustering显示文摘The summarization and evaluation of the advances in fuzzy clustering theory are made in the aspects including the criterion functions, algorithm implementations, validity measurements and applications. Several important directions for a further study and the application prospects are also pointed out. | GAO Xinbo & XIE Weixin1. Institute of Electronic Engineering, Xidian University, Xi’an 710071, China 2. President office, Shenzhen University, Shenzhen 518060, China. | 2000 | Chinese Science Bulletin2000，45，11： | 25 |
| 5 | Effectiveness of probiotic therapy for the prevention of relapse in patients with inactive ulcerative colitis显示文摘AIM: to evaluate the effectiveness of probiotic therapy for suppressing relapse in patients with inactive ulcerative colitis(UC).METHODS: Bio-Three tablets, each containing 2 mg of lactomin(Streptococcus faecalis T-110), 10 mg of Clostridium butyricum TO-A, and 10 mg of Bacillus mesentericus TO-A, were used as probiotic therapy.Sixty outpatients with UC in remission were randomly assigned to receive 9 Bio-Three tablets/day(BioThree group) or 9 placebo tablets/day(placebo group)for 12 mo in addition to their ongoing medications.Clinical symptoms were evaluated monthly or on the exacerbation of symptoms or need for additional medication. Fecal samples were collected to analyze bacterial DNA at baseline and 3-mo intervals. Terminal restriction fragment length polymorphism and cluster analyses were done to examine bacterial components of the fecal microflora.RESULTS: Forty-six patients, 23 in each group,completed the study, and 14 were excluded. The relapse rates in the Bio-Three and placebo groups were respectively 0.0% vs 17.4% at 3 mo(P = 0.036), 8.7%vs 26.1% at 6 mo(P = 0.119), and 21.7% vs 34.8%(P = 0.326) at 9 mo. At 12 mo, the remission rate was 69.5% in the Bio-Three group and 56.6% in the placebo group(P = 0.248). On cluster analysis of fecal flora, 7 patients belonged to cluster Ⅰ, 32 to cluster Ⅱ,and 7 to cluster Ⅲ.CONCLUSION: Probiotics may be effective formaintaining clinical remission in patients with quiescent UC, especially those who belong to cluster Ⅰ on fecal bacterial analysis. | Yasushi Yoshimatsu Akihiro Yamada Ryuichi Furukawa Koji Sono Aisaku Osamura Kentaro Nakamura Hiroshi Aoki Yukiko Tsuda Nobuo Hosoe Nobuo Takada Yasuo Suzuki | 2015 | World Journal of Gastroenterology2015，21，19： | 21 |
| 6 | Data mining in Xu Runsan’s Traditional Chinese Medicine practice:treatment of chronic pelvic pain caused by pelvic inflammatory disease显示文摘OBJECTIVE:To research the Traditional Chinese Medicine(TCM)practice of Professor Xu Runsan for treatment of chronic pelvic pain(CPP)caused by sequelae of pelvic inflammatory disease(SPID)by data mining.METHODS:The medical records of inpatients at China-Japan Friendship Hospital confirmed to have CPP caused by SPID were collected(274 visits in total).The data extracted from the medical records were analyzed by frequency statistics,correlation analyses,cluster analyses,and complex network analyses.RESULTS:The most frequently used medicines were warm medicines,bitter medicines,and medicines distributed to the liver meridian.The most common medicinal combinations were Chishao(Radix Paeoniae Rubra)plus Huangqi(Radix Astragali Mongolici)plus Sanqi(Radix Notoginseng)and Ezhu(Rhizoma Curcumae Phaeocoulis);Guizhi(Ramulus Cinnamomi)plus Fuling(Poria)and Chishao(Radix Poeoniae Rubra);and Chaihu(Radix Bupleuri Chinensis)plus Zhishi(Fructus Aurantii Immaturus)and Gancao(Radix Glycyrrhizae).The most frequently used medicines were divided into four groups according to their efficacy;i.e.,medicines that could(a)warm meridians and free collateral vessels,(b)regulate Qi and free collateral vessels,(c)fortify the spleen and nourish blood and Qi,and(d)tonify Qi and activate blood.The most commonly used formulations were Guizhi FulingPill and Sini Powder.The core medicines extracted based on complex network analyses were Chishao(Radix Poeoniae Rubra),Sanqi(Radix Notoginseng),Hua ngqi(Radix Astragali Mongolica),Danshen(Radix Salviae Miltiorrhizae),Ezhu(Rhizoma Curcumae Phaeocaulis), Gancao(Radix Glycyrrhizae),Chaihu(Radix Bupleuri Chinensis),Guizhi(Romulus Cinnomomi),Shuizhi(Hirudo), Fuling(Poria),and Zhishi(Fructus Aurantii Immaturus).CONCLUSION:According to the TCM practice of Professor Xui,treatment of CPP caused by SPID should focus on dissolving stasis and obstructions using medicines that can activate blood,resolve stasis,regulate Qi,and dissipate adhesions.His prescriptions are often based on Guizhi Fuling Pill and Sini Powder.More blood-activating,stasis-resolving,or tonifying medicines could be used according to the accompanying symptoms or symptom patterns identified. | Liu Liuqing Yang Fang Xin Ling Jing Yan | 2019 | Journal of Traditional Chinese Medicine2019，39，3： | 20 |
| 7 | Early warning system for shallow landslides using rainfall threshold and slope stability analysis显示文摘A combined cluster and regression analysis were performed for the first time to identify rainfall threshold that triggers landslide events in Amboori, Kerala, India. Amboori is a tropical area that is highly vulnerable to landslides. The 2, 3, and 5-day antecedent rainfall data versus daily rainfall was clustered to identify a cluster of critical events that could potentially trigger landslides. Further, the cluster of critical events was utilized for regression analysis to develop the threshold equations. The 5-day antecedent(xvariable) vs. daily rainfall(y-variable) provided the best fit to the data with a threshold equation of y = 80.7-0.1981 x. The intercept of the equation indicates that if the 5-day antecedent rainfall is zero, the minimum daily rainfall needed to trigger the landslide in the Amboori region would be 80.7 mm. The negative coefficient of the antecedent rainfall indicates that when the cumulative antecedent rainfall increases, the amount of daily rainfall required to trigger monsoon landslide decreases. The coefficient value indicates that the contribution of the 5-day antecedent rainfall is~20% to the landslide trigger threshold. The slope stability analysis carried out for the area, using Probabilistic Infinite Slope Analysis Model(PISA-m), was utilized to identify the areas vulnerable to landslide in the region. The locations in the area where past landslides have occurred demonstrate lower Factors of Safety(FS) in the slope stability analysis. Thus, rainfall threshold analysis together with the FS values from slope stability can be suitable for developing a simple, cost-effective, and comprehensive early-warning system for shallow landslides in Amboori and similar regions. | Shruti Naidu K.S.Sajinkumar Thomas Oommen V.J.Anuja Rinu A.Samuel C.Muraleedharan | 2018 | Geoscience Frontiers2018，9，6： | 12 |
| 8 | 新疆红花主要栽培品种遗传多样性的RAPD分析(英文)显示文摘[Objective] Study on the genetic diversity in main cultivars of safflower distributing in Xinjiang Uighur Autonomous Region by means of RAPD makers.[Method] Genomic DNAs of 29 safflower accessions from Xinjiang Uighur Autonomous Region were extracted for PCR amplification using 20 RAPD primers.[Result] Totally 156 bands were amplified,among which 144 bands were polymorphic(accounting for 92.31%),indicating that safflower is endowed with plentiful genetic diversity.Based on the DNA fingerprint,the 29 safflower accessions were grouped into four populations,the classification results may be not related with ecological regionality.[Conclusion] RAPD technique is an available tool to analyze the genetic diversity of safflower germplasm at molecular level. | 岳庆妮 葛娟 王蕾 张霞 王绍明 王建明 | 2008 | Agricultural Science & Technology2008，9，4： | 11 |
| 9 | Vegetation-environment relationships in the forests of Chitral district Hindukush range of Pakistan显示文摘We investigated the composition of plant communities to quantify their relationships with environmental parameters in the Chitral Hindukush range of Pakistan. We sampled tree vegetation using the Point Centered Quarter (PCQ) method while understory vegetation was sampled in 1.5-m circular quadrats. Cedrus deodara is the national symbol of Pakistan and was dominant in the sampled communities. Because environmental variables determine vegetation types, we analyzed and evaluated edaphic and topographic factors. DCA-Ordination showed the major gradient as an amalgam of elevation (p<0.05) and slope (p<0.01) as the topographic factors correlated with species distribution. Soil variables were the factors of environmental significance along DCA axes. However, among these factors, Mg2+ , K + and N2+ contributed not more than 0.054% 0.20% and 0.073%, respectively, to variation along the first ordination axis. We conclude that the principal reason for weak or no correlation with many edaphic variables was the anthropogenic disturbance of vegetation. The understory vegetation was composed of perennial herbs in most communities and was most dense under the tree canopy. The understory vegetation strongly regulates tree seedling growth and regeneration patterns. We recommend further study of the understory vegetation using permanent plots to aid development of forest regeneration strategies. | Nasrullah Khan Syed Shahid Shaukat Moinuddin Ahmed Muhammad Faheem Siddiqui | 2013 | Journal of Forestry Research2013，24，2： | 8 |
| 10 | 我国苦茶资源主要生化成分的鉴定评价(英文)显示文摘Bitter tea is a special kind of tea germplasm in China.The major biochemical components of 24 bitter teas and other 8 Camellia sinensis var.sinensis and 8 C.sinensis var.assamica tea germplasms,which were stored in the China National Germplasm Hangzhou Tea Repository(CNGHTR),were analyzed and evaluated.The results showed that no significant differences of major biochemical components affecting the tea quality were found between bitter tea and common tea.According to the processing suitability index,bitter tea was suitable for the manufacturing of black tea;while according to evolutionary indices such as the composition and content of catechin,bitter tea was similar to C.sinensis var.assamica belonging to the relatively primitive type in evolution.The results of cluster analysis indicated that bitter tea was clustered with C.sinensis var.assamica,so it could be considered to belong to C.sinensis var.assamica. | 王新超 姚明哲 马春雷 陈亮 | 2008 | Agricultural Science & Technology2008，9，4： | 7 |
| 11 | Microelement analysis of source of raw materials of terracotta warriors and horses of Qin's Mausoleum in pits No.1 and No.2显示文摘In order to search for sources of the raw material of the Qin’s terracotta warriors and horses, we selected 20 samples of pottery warriors and pottery horses of the Qin’s Mausoleum from pit No. 1,19 samples of pottery warriors and brick from pit No. 2, 20 samples of clays near the Qin’s Mausoleum and 2 samples of Yaozhou porcelain bodies. The 32 kinds of element content of each sample were measured by neutron activation analysis (NAA). These data were analyzed by fuzzy cluster analysis, the trend cluster analysis diagram was obtained. The results showed that samples of terracotta warriors and horses from pits No.1 and No. 2 were closely related to the loam layer near Qin’s Mausoleum, but their relations with the loess layers were not so close, and they were out of all relation to Yaozhou porcelain bodies. Thus, it could be deduced that the Li Mountain clay may be considered as the original place of the raw materials of the terracotta warriors and horses, the kiln sites might be located nearby the Qin’s | Weijuan Zhao Aijun Xu Rongwu Li Zhengyao Gao Guoxia Li Jianzhong Xie Guohe Han Songlin Feng Dongyu Fan Ying Zhang et al. | 2002 | Chinese Science Bulletin2002，47，16： | 6 |
| 12 | Spectrum-effect relationship between HPLC fingerprints and bioactive components of Radix Hedysari on increasing the peak bone mass of rat显示文摘The traditional Chinese medicine of Radix Hedysari plays an important role in invigorating gas for ascending, benefiting blood for promoting production of fluid, and promoting circulation for removing obstruction in collaterals, which is consistent with the principle of treatment for osteoporosis. This study is designed to investigate the bioactive components on increasing peak bone mass (PBM) by exploring the spectrum-effect relationship between chromatography fingerprints and effect. Multiple indicators are selected to evaluate the pharmacological activity. In fingerprints, 21 common peaks are obtained, five of which are identified. Furthermore, gray relational analysis (GRA) is a quantitative method of gray system theory and is used to describe the correlation degree of common peaks and pharmacological activities with relational value. 21 components are then divided into three different regions, of which ononin and calycosin play an extremely significant role in increasing PBM. In addition, factor analysis and hierarchical cluster analysis (HCA) are used to screen the optimal producing area for Radix Hedysari. This provides a comprehensive and efficient method to improve the quality evaluation of Radix Hedysari, confirming the bioactive components for PBM-enhancement and further develop its medicinal value. | Xin-Yue Chen San-Hu Gou Zhi-Qiang Shi Zhi-Yuan Xue Shi-Lan Feng | 2019 | Journal of Pharmaceutical Analysis2019，9，4： | 6 |
| 13 | Total phenols, flavonoids, and procyanidins levels and total antioxidant activity of different Korean pine(Pinus koraiensis) varieties显示文摘Total phenols,flavonoids,procyanidins,and total antioxidant capacity,measured with ferric reducing antioxidant power,radical scavenging capacity,and oxygen radical absorption capacity assays were first evaluated in the extracts of the shells,skins and kernels of 10 varieties of Pinus koraiensis.Results indicate that these varieties had strong radical scavenging capacities,ferric reducing antioxidant power and oxygen radical absorption capacities.Phenolic,flavonoid and procyanidin values ranged from 138.6(#3 kernel)to 518.6(#10 shell)mg GAE/g,from 23.3(#2 kernel)to 70.8(#5 skin)mg RE/g,from 2.5(#2 kernel)to 142.1(#7 skin)mg CE/g,respectively.Radical scavenging capacity and ferric reducing antioxidant power values were positively correlated to the polyphenol contents which play a major role in antioxidant properties.The varieties may be divided into two groups by cluster analysis and the variables being measured.These results will be useful for breeding varieties and guiding their production. | Sitong Zhang Ligang Zhang Lu Wang Yuhong Zhao | 2019 | Journal of Forestry Research2019，30，5： | 5 |
| 14 | Classification and 3-D distribution of upper layer water masses in the northern South China Sea显示文摘Using the fuzzy cluster analysis and the temperature-salinity(T-S) similarity number analysis of cruise conductivity-temperature-depth(CTD) data in the upper layer(0–300 m) of the northern South China Sea(NSCS), we classify the upper layer water of the NSCS into six water masses: diluted water(D), surface water(SS),the SCS subsurface water mass(U_S), the Pacific Ocean subsurface water mass(U_P), surface-subsurface mixed water(SU) and subsurface-intermediate mixed water(UI). A new stacked stereogram is used to illustrate the water mass distribution, and to examine the source and the distribution of U_P, combining with the sea surface height data and geostrophic current field. The results show that water mass U_P exists in all four seasons with the maximum range in spring and the minimum range in summer. In spring and winter, the U_P intrudes into the Luzon Strait and the southwest of Taiwan Island via the northern Luzon Strait in the form of nonlinear Rossby eddies, and forms a high temperature and high salinity zone east of the Dongsha Islands. In summer, the U_P is sporadically distributed in the study area. In autumn, the U_P is located in the upper 200 m layer east of Hainan Island. | Jia Zhu Quanan Zheng Jianyu Hu Hongyang Lin Dewen Chen Zhaozhang Chen Zhenyu Sun Liyan Li Hao Kong | 2019 | Acta Oceanologica Sinica2019，38，4： | 5 |
| 15 | Development of a model to generate a risk map in a building fire显示文摘Fire simulations and sensors are widely used in building fires,various data such as temperature,CO and CO2 concentration,visibility can be obtained by sensors and sensor-based simulation. It is important to generate a risk map based on such data so that we can use it to estimate safety of the building. In this paper,we propose a method to generate a dynamical,integrated risk map using sensor readings in a building fire. Such risk evaluation model is developed using similarity comparison between the space state and dangerous state by a likelihood distance calculating and data grouping from a two-step cluster method. The risk evaluation model considers the integrated influence on the occupants in the zone from high temperature,lack of oxygen,toxic and harmful gases and shows the relative fire risk map at certain time. Based on the simulation study,it is proved that multi-factor fire risk analysis would be more objective and accurate than single factor and two-factor risk analysis and the fire risk evaluation model can generate a risk map and provide the classification information and the whole building risk statistic results to support evacuation command and control. | CHU YanYan, ZHANG Hui, SHEN ShiFei, YANG Rui & QIAO LiFeng Center for Public Safety Research, Department of Engineering Physics, Tsinghua University, Beijing 100084, China | 2010 | Science China(Technological Sciences)2010，53，10： | 4 |
| 16 | Establishment of HPLC Fingerprint, Cluster Analysis and Principle Component Analysis of Citri Reticulatae Pericarpium Viride显示文摘[Objectives] This study aimed to establish HPLC fingerprint and conduct cluster analysis and principle component analysis for Citri Reticulatae Pericarpium Viride. [Methods] Using the HPLC method, the determination was performed on XSelect~® HSS T3-C_(18) column with mobile phase of acetonitrile-0.5% acetic acid solution(gradient elution) at the flow rate of 1.0 mL/min. The detection wavelength was 360 nm. The column temperature was 25℃. The sample size was 10 μL. With peak of hesperidin as the reference, HPLC fingerprints of 10 batches of Citri Reticulatae Pericarpium Viride were determined. The similarity of the 10 batches of samples was evaluated by Similarity Evaluation System for Chromatographic Fingerprint of TCM(2012 edition) to determine the common peaks. Cluster analysis and principal component analysis were performed by using SPSS 17.0 statistical software. [Results] The HPLC fingerprints of the 10 batches of medicinal materials had total 11 common peaks, and the similarity was 0.919-1.000, indicating that the chemical composition of the 10 batches of medicinal materials was consistent. There were 11 common components in the 10 batches of medicinal materials, but their contents were different. When the Euclidean distance was 20, the 10 batches of samples were divided into two categories, S4 in the first category, and the others in the second one. When the Euclidean distance was 5, the second category could be further divided into two sub-categories, S1 and S10 in one sub-category, and S2, S3, S5, S6, S7, S8 and S9 in the other one. The principle component analysis showed that cumulative contribution rate of the two main component factors was 92.797%, and the comprehensive score of S7 was the highest with the best quality. [Conclusions] The results of HPLC fingerprinting, cluster analysis and principle component analysis can provide reference for the quality control of Citri Reticulatae Pericarpium Viride. | Beibei JIN Xiangping PEI Huizhen LIANG | 2019 | Medicinal Plant2019，10，1： | 4 |
| 17 | Visual analysis of the evolution and focus in landslide research field显示文摘This paper analysed the evolution of landslide research and research foci in different countries. The data comprise 3105 landslide SCI articles published between January 1977 and June 2015 from the Web of Science. The data are extracted under interaction constraints of the journal title, category, and keywords. The complex network method is used for the analysis. First, from the perspective of topics and methods, the evolution is systematically assessed by generating a co-citation network of the articles and a semantic cluster analysis. Second, from the perspective of topics and landsliderelated disasters, the focus in different countries is discussed by generating co-occurrence networks. These networks are the co-occurrence of the countries and keywords, and the co-occurrence of countries and landslide-related disaster phrases. The main conclusions are as follows:(1) landslide susceptibility analysis and methods of machine learning are popular research topics and methods, respectively. The topics change through time, and the article output is influenced by increasing landslide-related disasters, increasing economic losses and casualties, a desire for a more complete and accurate landslide inventory, and the use of effective methods, such as geographical information Science(GIS) and machine learning.(2) The research focus in each country is related with the country-specific disasters or economic costs caused by landslides to some degree. In addition to Italy and the USA, China is the country most commonly affected by landslides, and it should develop its own landslide database and complete in-depth studies of disaster mitigation. | YANG Jing CHENG Chang-xiu SONG Chang-qing SHEN Shi NING Li-xin | 2019 | Journal of Mountain Science2019，16，5： | 4 |
| 18 | Near-infrared spectroscopy(NIRS) evaluation and regional analysis of Chinese faba bean(Vicia faba L.)显示文摘To analyze the nutritional composition of faba bean(Vicia faba L.) seed, estimation models were developed for protein, starch, oil, and total polyphenol using near infrared spectroscopy(NIRS). Two hundred and forty-four samples from twelve producing regions were measured in both milled powder and intact seed forms. Partial least squares(PLS) regression was applied for model development. The model based on ground seed powder was generally superior to that based on the intact seed. The optimal seed powder-based models for protein, starch, and total polyphenol had coefficients of correlation(r2) of 0.97, 0.93 and 0.89, respectively. The relationship between nutrient contents and twelve producing areas was determined by two-step cluster analysis. Three distinct groupings were obtained with region-constituent features, i.e., Group 1 of high oil, Group 2 of high protein, and Group 3 of high starch as well as total polyphenol. The clustering accuracy was 79.5%. Moreover, the nutrition contents were affected by seeding date, longitude, latitude, and altitude of plant location. Cluster analysis revealed that the differences in the seed were strongly influenced by geographical factors. | Jiaojiao Wang Hao Liu Guixing Ren | 2014 | The Crop Journal2014，2，1： | 3 |
| 19 | Evaluation of Urban Development Quality Based on the Connotation of High-Quality Development: A Case Study of Guangdong Province显示文摘In this paper, based on the interpretation of the connotation of high-quality development, an urban development quality evaluation index system was established from six aspects of economic strength, the level of science and education, government management, resources and environment, the level of openness, and infrastructure, the entropy method and cluster analysis were used to conduct an empirical analysis of the quality of urban development in Guangdong Province, and relevant suggestions were proposed accordingly. The results showed that:(1) the level of science and education was the most important factor affecting the quality of urban development in Guangdong Province;(2) the quality of urban development in Guangdong Province was extremely uncoordinated;(3) cities with stronger economic strength had lower resource and environment evaluation;(4) cities of Guangdong Province could be divided into three categories: cities in a quality optimization stage, cities in a quality improvement stage, and cities in a quality lagging stage that could be further divided into three categories. | YE Lichi | 2019 | Journal of Landscape Research2019，11，2： | 3 |
| 20 | Vertical Migrating and Cluster Analysis of Soil Mesofauna at Dongying Halophytes Garden in Yellow River Delta显示文摘For the first time,we used Tullgren method made a study on vertical migrating and cluster analysis of the soil mesofauna in Dongying Halophytes Garden in the Yellow River Delta(YRD),Shandong Province.The results showed that the soil mesofauna tended to gather on soil surface in most samples at most times,but the vertical migrating greatly varied in different seasons or environment conditions.Acari was the dominant group.The index of diversity of the soil fauna was correlated with the index of evenness.The Acari's number of individuals infected other species and numbers.Dominant group-Acari made greater contribution to the result of cluster analysis,and there were significant differences between communities in different habitats by cluster analysis with both Bray-Curtis and Jaccard similarity coefficient. | He Fu-xia Xie Tong-yin Xie Gui-lin Fu Rong-shu | 2014 | Journal of Northeast Agricultural University(English Edition)2014，21，1： | 3 |
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