中国开放科研知识云: 检索

Comprehensive Utilization for Neogene Lignite of the Zhaotong Basin, South China, and Its Environment Impacts 期刊论文
ENERGY & FUELS, 2018, 卷号: 32, 期号: 12, 页码: 12091-12100
作者: Long, Jie; Zhang, Shixi; Luo, Kunli

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Effects of tillage practices and microbial agent applications on dry matter accumulation, yield and the soil microbial index of winter wheat in North China 期刊论文
SOIL & TILLAGE RESEARCH, 2018, 卷号: 184, 页码: 235-242
作者: Gong, Huarui; Li, Jing; Ma, Junhua; Li, Fadong; Ouyang, Zhu

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Tillage practices Microbial agents Soil microbial index Winter wheat

基于高分辨质谱的土壤溶解性有机质化学多样性研究 学位论文
北京: 中国科学院生态环境研究中心, 2018
作者: 李晓明

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土壤溶解性有机质，化学多样性，微生物多样性，傅立叶变换离子回旋共振质谱 decreased WIth IncreasIng Iron ComplexIng Index. PAtterns In Molecular PrOfiles IndicAted Dom In Paddy Soils To Become More RecalcItrAnt At Higher Soil C/n rAtio And Higher Soil Ph. furTherMore, PlAnt-derived polyPh.nols And Pyrogenic Dom Were retaIned Favorably By Iron And The ChemodiversIty Of Dom In Paddy Soil Increased WIth IncreasIng Soil C/n rAtios. These Results Provide Novel InFormAtion regardIng Dom Characteristics At a Molecular Level And Will InForm Better Global MAnagement Of Soil Carbon In Paddy Soil EcosysteMs Global. 2) Through The applicAtion Of Ft-icr-Ms, The ChemodiversIty Of Dom In Soil Subjected To Long-term OrgAnic Carbon And InOrgAnic Fertilizer Amendments Was Established. In Parallel, Bcc Was Assessed. Through This Coupled Approach It Was Established.thAt sustaIned OrgAnic Carbon Amendment Resulted In: SignificAntly (p < 0.05) Increased Total Carbon And Total nItrogen Reservoirs In Soil, Dom PrOfiles Of greAter ChemodiversIty, And Emergence Of RecalcItrAnt Dom Moieties (H/c < 1.5). In Contrast, Carbon And nItrogen Reservoirs In Soil Subjected To sustaIned InOrgAnic Fertilizer applicAtion Were Unaltered, While Soil OrgAnic Carbon ChemodiversIty Was Observed To Shift To Less RecalcItrAnt Dom Moieties (H/c rAtio > 1.5 And O/c rAtios < 0.5). furTherMore, sustaIned OrgAnic Carbon Amendment Shaped Bcc To a eutroPh.c stAte While Long-term Chemical fertilizAtion Directed The Bcc Towards An oligotroPh.c stAte. Higher connectivIty And Network complexIty Were Observed In OrgAnic Carbon Amended Soils. Dom-Bcc Network Analysis, IndicAtIng thAt Soil Microbes Had More Interaction WIth Dom Molecules followIng sustaIned OrgAnic mAtter Input. These Results Highlight The Potential For OrgAnic Carbon Amendments To Not Only Build Soil Carbon sTocks And Increase Their Resilience, But To Also Improve The Functional stAte Of Soil Microbial communIties. Key Words: Dom, ChemodiversIty, Microbial diversIty, Ft-icr Ms

Improvement of the quality of struvite crystals recovered from a mixture of human urine and municipal sewage via a novel two-step precipitation method 期刊论文
ENVIRONMENTAL TECHNOLOGY & INNOVATION, 2018, 卷号: 12, 页码: 80-90
作者: Liu, Xiaoning; Wen, Guoqi; Hu, Zhengyi; Huang, Lijuan

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Magnesium ammonium phosphate Chemical precipitation Heavy metals Magnesium source Wastewater streams

Crop Structure Changes Altered the Cropland Nitrogen Balance between 2005 and 2015 on the Sanjiang Plain, China 期刊论文
SUSTAINABILITY, 2018, 卷号: 10, 期号: 11, 页码: -
作者: Li, Cong; Yang, Chunxia; Zheng, Hua; Huang, Binbin; Li, Ruonan

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nitrogen balance agro-ecosystem crop structure changes environmental risk Sanjiang Plain

Improvement of the quality of struvite crystals recovered from a mixture of human urine and municipal sewage via a novel two-step precipitation method 期刊论文
ENVIRONMENTAL TECHNOLOGY & INNOVATION, 2018, 卷号: 12, 页码: 80-90
作者: Huang, Lijuan; Liu, Xiaoning; Hu, Zhengyi; Wen, Guoqi

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Magnesium ammonium phosphate Chemical precipitation Heavy metals Magnesium source Wastewater streams

Coupling effects of pH and Mg/P ratio on P recovery from anaerobic digester supernatant by struvite formation 期刊论文
JOURNAL OF CLEANER PRODUCTION, 2018, 卷号: 198, 页码: 633-641
作者: Wen, Guoqi; Liu, Xiaoning; Hu, Zhengyi; Wang, Jun

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Pollution reduction Phosphorus Struvite pH Mg/P ratio

Coupling effects of pH and Mg/P ratio on P recovery from anaerobic digester supernatant by struvite formation 期刊论文
JOURNAL OF CLEANER PRODUCTION, 2018, 卷号: 198, 页码: 633-641
作者: Liu, Xiaoning; Wen, Guoqi; Wang, Jun; Hu, Zhengyi

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Pollution reduction Phosphorus Struvite pH Mg/P ratio

Quantification of nitrate sources and fates in rivers in an irrigated agricultural area using environmental isotopes and a Bayesian isotope mixing model 期刊论文
CHEMOSPHERE, 2018, 卷号: 208, 页码: 493-501
作者: Zhang, Yan; Shi, Peng; Li, Fadong; Wei, Anlei; Song, Jinxi

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Nitrate pollution River Irrigation water Irrigated agricultural region

Nitrogen functional gene activity in soil profiles under progressive vegetative recovery after abandonment of agriculture at the Puding Karst Critical Zone Observatory, SW China 期刊论文
SOIL BIOLOGY & BIOCHEMISTRY, 2018, 卷号: 125, 页码: 93-102
作者: Li, Dandan; Zhang, Xinyu; Green, Sophie M.; Dungait, Jennifer A. J.; Wen, Xuefa

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Nitrogen functional genes Soil profile Vegetation recovery Karst ecosystems Nitrate Phosphorus

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