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Article: [Effects of Hematite and Biochar Addition on Wastewater Treatment Efficiency, Greenhouse Gas Emission, and Microbial Community in Subsurface Flow Constructed Wetland].

Chen, Xin-Tong / Hao, Qing-Ju / Xiong, Yan-Fang / Hu, Jian / Jiang, Chang-Sheng

Huan jing ke xue= Huanjing kexue

2022 Volume 43, Issue 3, Page(s) 1492–1499

Abstract: The type and structure of the substrate in constructed wetland affects the diversity and abundance of microorganisms, thereby influencing the effect of sewage treatment. In this study, four groups of wetlands were constructed in the greenhouse:blank- ... ...

Abstract	The type and structure of the substrate in constructed wetland affects the diversity and abundance of microorganisms, thereby influencing the effect of sewage treatment. In this study, four groups of wetlands were constructed in the greenhouse:blank-constructed wetland (CW0), hematite-constructed wetland (CW1), biochar-constructed wetland (CW2), and hematite+biochar-constructed wetland (CW3), to study the differences in sewage treatment effects, greenhouse gas emissions, and microbial community structures of constructed wetland systems under different filler substrates. The results showed that the addition of hematite or biochar increased the COD removal rate of -0.12% to 1.7%. The addition of biochar increased the removal rate of NH
MeSH term(s)	Charcoal ; Denitrification ; Ferric Compounds ; Greenhouse Gases/analysis ; Microbiota ; Nitrogen ; Nitrous Oxide/analysis ; Water Purification ; Wetlands
Chemical Substances	Ferric Compounds ; Greenhouse Gases ; biochar ; Charcoal (16291-96-6) ; ferric oxide (1K09F3G675) ; Nitrous Oxide (K50XQU1029) ; Nitrogen (N762921K75)
Language	Chinese
Publishing date	2022-03-07
Publishing country	China
Document type	Journal Article
ISSN	0250-3301
ISSN	0250-3301
DOI	10.13227/j.hjkx.202107036
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article: [Effects of Plastic Film Mulching and Biochar Application on N

Hu, Jian / Jiang, Chang-Sheng / Chen, Xin-Tong / Xiong, Yan-Fang / Hao, Qing-Ju

Huan jing ke xue= Huanjing kexue

2022 Volume 43, Issue 4, Page(s) 2163–2170

Abstract: The aim of this research was to examine the effects of biochar addition (B0:0 t· ... ...

Abstract	The aim of this research was to examine the effects of biochar addition (B0:0 t·hm
MeSH term(s)	Agriculture/methods ; Charcoal/analysis ; China ; Fertilizers/analysis ; Humans ; Nitrous Oxide/analysis ; Plastics ; Soil/chemistry ; Vegetables
Chemical Substances	Fertilizers ; Plastics ; Soil ; biochar ; Charcoal (16291-96-6) ; Nitrous Oxide (K50XQU1029)
Language	Chinese
Publishing date	2022-04-07
Publishing country	China
Document type	Journal Article
ISSN	0250-3301
ISSN	0250-3301
DOI	10.13227/j.hjkx.202107204
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Article: [Treatment Effect of Corncob and Rice Straw Enhanced Subsurface Flow Constructed Wetland on Low C/N Ratio Wastewater].

Hu, Man-Li / Hao, Qing-Ju / Ma, Rong-Zhen / Chen, Ke-Qin / Luo, Shi-Xu / Jiang, Chang-Sheng

Huan jing ke xue= Huanjing kexue

2022 Volume 43, Issue 8, Page(s) 4136–4145

Abstract: The lack of carbon sources severely inhibits denitrification in wastewater with a low C/N ratio. Corncob and rice straw were chosen as supplementary carbon sources to bring into the wetland system to supplement the carbon sources needed for ... ...

Abstract	The lack of carbon sources severely inhibits denitrification in wastewater with a low C/N ratio. Corncob and rice straw were chosen as supplementary carbon sources to bring into the wetland system to supplement the carbon sources needed for denitrification, and the enhancing effects of the two carbon sources on nitrogen removal from the wetland were studied. The cumulative release of carbon was in the order of rice straw[(145.17±9.44) mg·g
MeSH term(s)	Carbon ; Denitrification ; Nitrogen ; Nitrogen Dioxide ; Oryza ; Waste Disposal, Fluid/methods ; Waste Water ; Wetlands ; Zea mays
Chemical Substances	Waste Water ; Carbon (7440-44-0) ; Nitrogen (N762921K75) ; Nitrogen Dioxide (S7G510RUBH)
Language	Chinese
Publishing date	2022-07-29
Publishing country	China
Document type	Journal Article
ISSN	0250-3301
ISSN	0250-3301
DOI	10.13227/j.hjkx.202112237
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article: [Wastewater Treatment Effects of Ferric-carbon Micro-electrolysis and Zeolite in Constructed Wetlands].

Zhao, Zhong-Jing / Hao, Qing-Ju / Zhang, Yao-Yu / Xiong, Wei-Xia / Zeng, Wei / Chen, Jun-Jiang / Jiang, Chang-Sheng

Huan jing ke xue= Huanjing kexue

2021 Volume 42, Issue 6, Page(s) 2875–2884

Abstract: Ferric-carbon micro-electrolysis fillers and zeolite have been increasingly used as substrates in constructed wetlands due to their good wastewater pollution-removal efficiencies. To explore the effects of different fillers on wastewater treatment in ... ...

Abstract	Ferric-carbon micro-electrolysis fillers and zeolite have been increasingly used as substrates in constructed wetlands due to their good wastewater pollution-removal efficiencies. To explore the effects of different fillers on wastewater treatment in constructed wetlands, four constructed wetlands were examined with vertical subsurface flow areas filled with ferric-carbon micro-electrolysis filler+gravel (CW-A), ferric-carbon micro-electrolysis filler+zeolite (CW-B), zeolite (CW-C), and gravel (CW-D). In addition, intermittent aeration was used to improve the dissolved oxygen (DO) environment. The results showed that, compared with CW-D, the ferric-carbon micro-electrolysis filler significantly increased the dissolved oxygen (DO,
Language	Chinese
Publishing date	2021-05-25
Publishing country	China
Document type	English Abstract ; Journal Article
ISSN	0250-3301
ISSN	0250-3301
DOI	10.13227/j.hjkx.202010200
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Article: [Effect of Plastic Film Mulching on Methane and Nitrous Oxide Emissions from the Ridges and Furrows of a Vegetable Field].

Xiong, Wei-Xia / Jiang, Chang-Sheng / Zhao, Zhong-Jing / Zeng, Wei / Hu, Man-Li / Tu, Ting-Ting / Chen, Jun-Jiang / Hao, Qing-Ju

Huan jing ke xue= Huanjing kexue

2021 Volume 42, Issue 3, Page(s) 1559–1568

Abstract: Investigate the effects of plastic film mulching on ... ...

Abstract	Investigate the effects of plastic film mulching on CH
Language	Chinese
Publishing date	2021-03-20
Publishing country	China
Document type	English Abstract ; Journal Article
ISSN	0250-3301
ISSN	0250-3301
DOI	10.13227/j.hjkx.202007225
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article: [Effect of Ferric-carbon Micro-electrolysis on Greenhouse Gas Emissions from Constructed Wetlands].

Zhao, Zhong-Jing / Hao, Qing-Ju / Tu, Ting-Ting / Hu, Man-Li / Zhang, Yao-Yu / Jiang, Chang-Sheng

Huan jing ke xue= Huanjing kexue

2021 Volume 42, Issue 7, Page(s) 3482–3493

Abstract: As the problem of global warming becomes increasingly serious, the greenhouse gas (GHG) emission reduction measures of constructed wetlands (CWs) have drawn significant attention. Ferric-carbon micro-electrolysis exhibits an excellent effect on ... ...

Abstract	As the problem of global warming becomes increasingly serious, the greenhouse gas (GHG) emission reduction measures of constructed wetlands (CWs) have drawn significant attention. Ferric-carbon micro-electrolysis exhibits an excellent effect on wastewater purification as well as the potential to reduce GHG emissions. Therefore, to explore the impact of ferric-carbon micro-electrolysis on GHG emissions from intermittent aeration constructed wetlands, four kinds of different wetlands with different fillers were constructed. The four fillers were ferric-carbon micro-electrolysis filler+gravel (CW-Ⅰ), ferric-carbon micro-electrolysis filler+zeolite (CW-Ⅱ), zeolite (CW-Ⅲ), and gravel (CW-Ⅳ). Intermittent aeration technology was used to aerate the wetland systems. The results show that ferric-carbon micro-electrolysis significantly improved the nitrogen removal efficiency of the intermittent aeration constructed wetlands and reduced GHG emissions. Compared with CW-Ⅳ, the CH
MeSH term(s)	Carbon ; Carbon Dioxide/analysis ; Electrolysis ; Greenhouse Effect ; Greenhouse Gases/analysis ; Methane/analysis ; Nitrous Oxide/analysis ; Wetlands
Chemical Substances	Greenhouse Gases ; Carbon Dioxide (142M471B3J) ; Carbon (7440-44-0) ; Nitrous Oxide (K50XQU1029) ; Methane (OP0UW79H66)
Language	Chinese
Publishing date	2021-07-01
Publishing country	China
Document type	Journal Article
ISSN	0250-3301
ISSN	0250-3301
DOI	10.13227/j.hjkx.202011248
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article: [Effects of the Crop Rotation on Greenhouse Gases from Flooded Paddy Fields].

Feng, Xi / Jiang, Chang-Sheng / Peng, Xiao-le / Li, Yan-Pei / Hao, Qing-Ju

Huan jing ke xue= Huanjing kexue

2019 Volume 40, Issue 1, Page(s) 392–400

Abstract: A field experiment was conducted at the Key Field Station for Monitoring Eco-environment of Purple Soil of the Ministry of Agriculture of China in the farm of Southwest University, Chongqing. The static chamber and gas chromatography method was used to ... ...

Abstract	A field experiment was conducted at the Key Field Station for Monitoring Eco-environment of Purple Soil of the Ministry of Agriculture of China in the farm of Southwest University, Chongqing. The static chamber and gas chromatography method was used to study the effect of the cropping systems on greenhouse gases from rice-fallow (RF), rice-rapeseed rotation (RR), and rice-brussel mustard rotation (RV) cropland
MeSH term(s)	Carbon Sequestration ; China ; Crop Production/methods ; Greenhouse Gases/analysis ; Methane/analysis ; Nitrous Oxide/analysis ; Oryza/growth & development ; Soil
Chemical Substances	Greenhouse Gases ; Soil ; Nitrous Oxide (K50XQU1029) ; Methane (OP0UW79H66)
Language	Chinese
Publishing date	2019-02-06
Publishing country	China
Document type	Journal Article
ISSN	0250-3301
ISSN	0250-3301
DOI	10.13227/j.hjkx.201805143
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article: [Effect of Plastic Film Mulching on Greenhouse Gas Emissions from Rice-Rapeseed Rotation in Cropland].

Chen, Shi-Jie / Jiang, Chang-Sheng / Ni, Xue / Li, Xiao-Xi / Hao, Qing-Ju

Huan jing ke xue= Huanjing kexue

2019 Volume 40, Issue 9, Page(s) 4213–4220

Abstract: A field experiment was conducted at the Key Field Station for Monitoring of Eco-Environment of Purple Soil of the Ministry of Agriculture of China at the farm of Southwest University in Chongqing. In the study, static chamber and gas chromatography ... ...

Abstract	A field experiment was conducted at the Key Field Station for Monitoring of Eco-Environment of Purple Soil of the Ministry of Agriculture of China at the farm of Southwest University in Chongqing. In the study, static chamber and gas chromatography methods were used to study the effects of plastic film mulching treatment on CO
Language	Chinese
Publishing date	2019-12-18
Publishing country	China
Document type	English Abstract ; Journal Article
ISSN	0250-3301
ISSN	0250-3301
DOI	10.13227/j.hjkx.201901037
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article: Rearranged Diels–Alder Adducts and Prenylated Flavonoids as Potential PTP1B Inhibitors from Morus nigra

Qu, Ke-Jun / Wang, Bin / Jiang, Chang-Sheng / Xie, Bao-Gang / Liu, Ai-Hong / Li, Song-Wei / Guo, Yue-Wei / Li, Jia / Mao, Shui-Chun

Journal of natural products. 2021 July 19, v. 84, no. 8

2021

Abstract: Two novel rearranged Diels–Alder adducts, morunigrines A (1) and B (2), and four new prenylated flavonoids, morunigrols A–D (3–6), were isolated from the twigs of Morus nigra, together with four known prenylated phenolic compounds, including two ... ...

Abstract	Two novel rearranged Diels–Alder adducts, morunigrines A (1) and B (2), and four new prenylated flavonoids, morunigrols A–D (3–6), were isolated from the twigs of Morus nigra, together with four known prenylated phenolic compounds, including two flavonoids (7 and 8) and two 2-arylbenzofurans (9 and 10). Morunigrines A (1) and B (2) are a novel class of Diels–Alder adducts with unprecedented carbon skeletons featuring a rearranged chalcone–stilbene/2-arylbenzofuran core decorated with a unique methylbiphenyl moiety. The structures of the new compounds were assigned by analysis of spectroscopic data. The absolute configuration of compound 6 was determined by the measurement of specific rotation. A plausible biogenetic pathway for 1 and 2 is also proposed. Compounds 1 and 2 exhibited more potent protein tyrosine phosphatase 1B inhibitory activity with IC₅₀ values of 1.8 ± 0.2 and 1.3 ± 0.3 μM, respectively, than that of the positive control oleanolic acid (IC₅₀, 2.5 ± 0.1 μM).
Keywords	Morus nigra ; carbon ; cycloaddition reactions ; flavonoids ; moieties ; oleanolic acid ; protein-tyrosine-phosphatase ; spectral analysis
Language	English
Dates of publication	2021-0719
Size	p. 2303-2311.
Publishing place	American Chemical Society and American Society of Pharmacognosy
Document type	Article
ZDB-ID	304325-3
ISSN	1520-6025 ; 0163-3864
ISSN (online)	1520-6025
ISSN	0163-3864
DOI	10.1021/acs.jnatprod.1c00403
Database	NAL-Catalogue (AGRICOLA)

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Article: [Impacts of Land Use Changes on Soil Light Fraction and Particulate Organic Carbon and Nitrogen in Jinyun Mountain].

Lei, Li-guo / Jiang, Chang-sheng / Hao, Qing-ju

Huan jing ke xue= Huanjing kexue

2015 Volume 36, Issue 7, Page(s) 2669–2677

Abstract: Four land types including the subtropical evergreen broad-leaved forest, sloping farmland, orchard and abandoned land were selected to collect soil samples from 0 to 60 cm depth at the same altitude of sunny slope in the Jinyun Mountain in this study. ... ...

Abstract	Four land types including the subtropical evergreen broad-leaved forest, sloping farmland, orchard and abandoned land were selected to collect soil samples from 0 to 60 cm depth at the same altitude of sunny slope in the Jinyun Mountain in this study. Soil light fraction organic carbon and nitrogen ( LFOC and LFON), and particulate organic carbon and nitrogen (POC and PON) were determined and the distribution ratios and C/N ratios were calculated. The results showed that the contents of LFOC and LFON decreased significantly by 71. 42% and 38. 46% after the forest was changed into sloping farmland (P <0. 05) but the change was not significant when it was changed into orchard (P >0. 05), while the contents of LFOC and LFON increased significantly by 3. 77 and 1. 38 times after the sloping farmland was changed into abandoned land (P <0. 05). The contents of POC and PON did not vary markedly after the forest was converted into orchard or sloping farmland, while the POC and PON contents increased markedly by 4. 12 and 1. 25 times after the sloping farmland was abandoned. Those above results indicated that abandoned land was easy for active organic carbon and nitrogen accumulation; on the contrary, sloping farmland was easy to lose soil labile carbon and nitrogen. The LFOC and LFON distribution ratios were significantly reduced by 31. 20% and 30. 08%, respectively after the forest was changed into the sloping farmland, and increased by 18. 74% and 20. 33% respectively after the forest was changed into the orchard. Nevertheless, the distribution ratios of LFOC and LFON were changed little by converting the forest into the sloping farmland and orchard. The distribution ratios of LFOC, LFON, POC and PON all increased significantly after the farmland was abandoned (P <0. 05). Those results showed that the activity of soil organic carbon and nitrogen was enhanced after forest reclamation, while reduced after the sloping farmland was abandoned. The ratios of carbon to nitrogen in soil organic matter, light fraction organic matter and particulate organic matter were in the order of abandoned land (12. 93) > forest (8. 53) > orchard (7. 52) > sloping farmland (4. 40), abandoned land (16. 32) > forest (14. 29) > orchard (11. 32) > sloping farmland (7. 60), abandoned land (23. 41) > sloping farmland (13. 85 ) > forest (10. 30) > orchard (9. 64), which indicated that the degree of organic nitrogen mineralization was higher after forest cultivation and lower after the sloping farmland was abandoned.
MeSH term(s)	Agriculture ; Altitude ; Carbon/analysis ; China ; Forests ; Nitrogen/analysis ; Organic Chemicals/analysis ; Soil/chemistry
Chemical Substances	Organic Chemicals ; Soil ; Carbon (7440-44-0) ; Nitrogen (N762921K75)
Language	Chinese
Publishing date	2015-07
Publishing country	China
Document type	Journal Article
ISSN	0250-3301
ISSN	0250-3301
Database	MEDical Literature Analysis and Retrieval System OnLINE

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