云南高校图书馆联盟文献共享服务平台- DBH

DBH: 作品数：46被引量：88H指数：4; 导出分析报告; 相关领域：农业科学更多>>; 相关作者：张晓莺宋秋霞李燕云赵渝李德卫更多>>; 相关机构：中国科学院新疆生产建设兵团重庆医科大学附属第一医院复旦大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划国家高技术研究发展计划“首都临床特色应用研究”专项更多>>

地基激光点云样地级林木胸径提取方法: 《导航定位学报》2025年第2期165-171,共7页黄兴国徐益王丹; 国家自然科学基金项目(42071229);江苏高校哲学社会科学研究一般项目(2023SJYB2120)。; 针对现有样地林木胸径提取存在自动化程度低、精度不够高等问题,提出一种地基激光点云样地级林木胸径提取方法:在点云高程归一化基础上,批量化截取胸径切片点,并选择密度聚类算法并改进自适应参数进行单木胸径切片点分割;然后提出一种...; 关键词：地基激光点云密度聚类切片厚度拟合圆/椭圆模型样地林木胸径(DBH)提取

基于DBH自动测量装置的树木固碳量监测系统研究: 《科技创业月刊》2024年第S01期182-185,共4页王启航管雪梅程玉宇崔乐乐曹舒然凌冲晓; 为了对未来砍伐树木提供准确的固碳量评估,并为森林管理提供科学依据,同时深入了解气候因素对树木生长和固碳量的影响,开发了一个基于STM32单片机的树径自动测量和固碳量预测系统,利用树木年轮宽度即胸径变化来间接测量固碳量。系统结...; 关键词：固碳量树径自动测量生长轮宽度 OneNET云平台 IABC-RBF模型 BO-XGBoost模型

New indices to balanceα-diversity against tree size inequality: 《Journal of Forestry Research》2024年第1期229-237,共9页Li Zhang Brady K.Quinn Cang Hui Meng Lian Johan Gielis Jie Gao Peijian Shi; supported by the National Natural Science Foundation of China(32101260).; The number and composition of species in a community can be quantified withα-diversity indices,including species richness(R),Simpson’s index(D),and the Shannon-Wiener index(H΄).In forest communities,there are large ...; 关键词：Diameter at breast height(DBH) Gini index Shannon-Wiener index Simpson’s index QUADRAT Tree size

新型无毒浸金药剂“DBH”在吉林省白山市板庙子金矿的应用研究: 《吉林地质》2023年第1期63-68,共6页王海建吴玉诗车海龙赵虹旭李爱民孙冬雪; 以吉林省白山市板庙子金矿原生贫硫化物型金矿石为研究对象,在炭浸工艺中采用新型环保无毒“DBH”药剂为浸金剂,在最佳工艺条件下,取得了87.98%的金浸出率,接近传统氰化浸金工艺的浸出率。可见“DBH”浸金剂在炭浸工艺中替代氰化钠浸出...; 关键词：金矿石炭浸工艺 DBH无毒浸金剂绿色发展

炎性细胞因子、DBH基因多态性、烟酒习惯与帕金森病相关性: 《中国老年学杂志》2023年第3期568-571,共4页宋秋霞张晓莺刘燕郭淼王琳琳王琳; NSFC-新疆联合基金重点支持项目(U1603281)。; 目的探索血清白细胞介素(IL)-6、IL-1β和趋化因子(CXCL)53个炎性指标、多巴胺β-羟化酶(DBH)基因5 TaqⅠ位点多态性、烟酒嗜好单独或者联合作用与帕金森病(PD)的相关性。方法以新疆地区94例PD患者(病例组)、110例健康对照者(对照组)为...; 关键词：帕金森病白细胞介素(IL)-6 IL-1β 趋化因子(CXCL)5 DBH基因多态性烟酒习惯

An improved area-based approach for estimating plot-level tree DBH from airborne LiDAR data被引量：2: 《Forest Ecosystems》2023年第1期46-55,共10页Zhengnan Zhang Tiejun Wang Andrew K.Skidmore Fuliang Cao Guanghui She Lin Cao; funded by the National Key Research and Development Program(No.2017YFD0600904);the National Natural Science Foundation of China(No.31922055);the Postgraduate Research&Practice Innovation Program of Jiangsu Province(No.KYCX21_0913);the Priority Academic Program Development of Jiangsu Higher Education Institutions(PAPD);funded by the China Scholarship Council(Grant No.202108320285);partially supported by the Horizon 2020 Research and Innovation Programme—European Commission‘BIOSPACE Monitoring Biodiversity from Space’project(Grant Agreement ID 834709,H2020-EU.1.1)。; The diameter at breast height(DBH) of trees and stands is not only a widely used plant functional trait in ecology and biodiversity but also one of the most fundamental measurements in managing forests. However, syste...; 关键词：Plant functional traits Forest inventory Height-DBH relationship LiDAR structural metrics

Translesion synthesis of apurinic/apyrimidic site analogues by Y-family DNA polymerase Dbh from Sulfolobus acidocaldarius: 《Acta Biochimica et Biophysica Sinica》2022年第5期637-646,共10页Weiwei Wang Huan Zhou Li Peng Feng Yu Qin Xu Qisheng Wang Jianhua He Xipeng Liu; supported by the grants from the National Key R&D Program of China(Nos.2018YFC0310704 and 2018YFC0309806);the National Natural Science Foundation of China(No.U1832161);the China Ocean Mineral Resources R&D Association(No.DY135-B2-12).; Apurinic/apyrimidic(AP)sites are severe DNA damages and strongly block DNA extension by major DNA polymerases.Y-family DNA polymerases possess a strong ability to bypass AP sites and continue the DNA synthesis reactio...; 关键词：translesion synthesis Sulfolobus acidocaldarius Y-family DNA polymerase DBH AP site analogues

Estimating the Forest Above-ground Biomass Based on Extracted LiDAR Metrics and Predicted Diameter at Breast Height被引量：3: 《Journal of Geodesy and Geoinformation Science》2021年第3期13-24,共12页Petar DONEV Hong WANG Shuhong QIN Pengyu MENG Jinbo LU; Reliable and prompt information on forest above-ground biomass(AGB)and tree diameter at breast height(DBH)are crucial for sustainable forest management.Remote sensing technology,especially the Light Detection and Rang...; 关键词：forest AGB DBH estimation UAV LiDAR Backpack LiDAR

Assessment of handheld mobile terrestrial laser scanning for estimating tree parameters: 《Journal of Forestry Research》2021年第4期1503-1513,共11页Cornelis Stal Jeff rey Verbeurgt Lars De Sloover Alain De Wulf; funded by University College Ghent;Ghent University。; Sustainable forest management heavily relies on the accurate estimation of tree parameters.Among others,the diameter at breast height(DBH) is important for extracting the volume and mass of an individual tree.For syst...; 关键词：Forest inventory DBH Airborne laser scanning Terrestrial laser scanning Handheld mobile laser scanning Point cloud processing

Stand parameter extraction based on video point cloud data: 《Journal of Forestry Research》2021年第4期1553-1565,共13页Ziyu Zhao Zhongke Feng Jincheng Liu Yudong Li; funded partly by the National Natural Science Foundation of China (Grant number funded this research U1710123);the Fundamental Research Funds for the Central Universities (No.2015ZCQ-LX-01)。; Monitoring sample plots is important for the sustainable management of forest ecosystems.Acquiring resource data in the field is labor-intensive,time-consuming and expensive.With the rapid development of hardware tech...; 关键词：Video photography Point cloud FOREST Hough transform DBH

DBH