[Determination of organophosphate diesters in facility vegetable soils using ultra-high performance liquid chromatography-electrostatic field orbitrap high resolution mass spectrometry]. [PDF]
Se Pu, 2023 有机磷酸二酯(Di-OPEs)被认为是有机磷酸三酯的生物或非生物降解产物。该研究基于超高效液相色谱-静电场轨道离子阱高分辨质谱(UHPLC-Orbitrap HRMS)建立了设施菜地土壤中磷酸二(2-氯)乙酯(BCEP)、磷酸二(1,3-二氯异丙基)酯(BDCP)、磷酸二正丁酯(DnBP)、磷酸二苯酯(DPhP)和磷酸二(2-乙基己基)酯(DEHP)5种Di-OPEs的定性定量分析方法。首先,土壤样品以甲醇为提取溶剂,超声提取,选择Oasis WAX固相萃取柱进行净化,用8 mL含5% (v/v ...
Liu M +7 more
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Water-holding Capacity of Reclaimed Grassland with Different Ages in Karst Regions [PDF]
, 2023 [Objective] The water-holding capacity of reclaimed grassland of different ages was studied in order to provide a scientific basis for water retention and soil and water conservation of reclaimed grassland in karst regions.
Li Xuemei +3 more
core +1 more source
Water Conservation Function of Artificial Forests in Kubuqi Desert [PDF]
, 2023 [Objective] Research was conducted on understory litter and soil hydrological function for artificial forests in the forest protection station in the eastern section of the Kubuqi Desert.
Chen Hongwei +7 more
core +1 more source
Effects of Different Plant Spacings on Preferential Flow Development Characteristics of Vetiver Plant Slopes [PDF]
, 2022 [Objective] The development characteristics of preferential flow for a vetiver slope and the relationship between vetiver roots and preferential flow were analyzed in order to provide a theoretical basis for further study on the influence of plant roots ...
Jiang Xueliang +4 more
core +1 more source
Dynamic Changes of Terrestrial Vegetation Cover in Lugu Lake Wetland Nature Reserve, Sichuan Province from 2000 to 2020 [PDF]
, 2023 [Objective] The spatial-temporal variation of terrestrial vegetation coverage in Lugu Lake Wetland Nature Reserve in Sichuan Province during 2000—2020 was analyzed in order to provide a reference for the construction and management of the reserve ...
Gao Yu +4 more
core +1 more source
Effects of Biochar Additions on Moisture Content and Depletion of Loessial Soil [PDF]
, 2023 [Objective] The influence of biochar additions on water storage and water retention capacity of loessial soil during the rainy season was clarified in order to provide basic theoretical support for the scientific use of biochar and to improve soil on the
Li Yuanyuan +4 more
core +1 more source
Dynamic Simulation of Soil Moisture Under Typical Land Preparation in Semi-arid Loess Area Using HYDRUS-1D Model [PDF]
, 2023 [Objective] The dynamic characteristics of soil moisture under different land preparation measures were analyzed in order to provide a scientific basis for assessing the eco-hydrological benefits of slope land preparations and for promoting vegetation ...
Dong Hongxia, Wei Qiang, Zhang Qindi
core +1 more source
Mejores prácticas de manejo para el uso optimizado del suelo y el agua en la agricultura [PDF]
, 2021 Chinese translation: Yun Xie, Lixin Chen, Jie Tang, Zhaoqi Fu, Meng Zhang, Hanlin Dong.English version available at http://dx.doi.org/10.20350/digitalCSIC/13964Spanish version available at http://dx.doi.org/10.20350/digitalCSIC/13985在Shui项目框架下 ...
Chen, L. +9 more
core +1 more source
Se pu = Chinese journal of chromatography, 2023 建立了改进的固相萃取-高效液相色谱法测定土壤中甲醛、乙醛、丙烯醛、丙酮、丙醛、丁烯醛、丁醛、苯甲醛、异戊醛、正戊醛、邻-甲基苯甲醛、间-甲基苯甲醛、对-甲基苯甲醛、正己醛和2,5-二甲基苯甲醛等15种醛酮类化合物的分析方法。利用乙腈对土壤进行超声提取,样品提取液与2,4-二硝基苯肼(2,4-DNPH)进行衍生化反应,生成稳定的腙类化合物;随后利用装有亲水亲脂平衡的N-乙烯基吡咯烷酮/二乙烯基苯共聚物填料的固相萃取小柱(Welchrom® BRP)对衍生后的溶液进行净化;采用Ultimate® XB ...
Kunpeng Xue +7 more
semanticscholar +1 more source
水电科技, 2023 近几年在科研技术不断进步下，我国科研水平得到显著提高，在生态理念不断渗入日常生活背景下，当前对于水土保持重视程度不断增高，在长期深入探讨下，科研人员发现在水土保持中应用保水剂能够发挥出较高优势，可以促使保水剂保水性能以及土壤作用充分发挥，以提高保水、保肥以及保土效果。基于此，下文针对保水剂作用机制进行分析，并探讨在水土保持中的应用策略。
君园 冯
semanticscholar +1 more source