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Could the eU carbon border adjustment mechanism promote climate mitigation?An economy-wide analysis

Advances in Climate Change research 2024年第3期15卷 557-571页

作者： Kun ZHANG Yun-Fei YAO Xiang-Yan QIAN Yu-Fei ZHANG Qiao-Mei LIANG Yi-Ming WeI College of economics and Management Beijing University of TechnologyBeijing 100124China Center for energy and environmental Policy research Beijing Institute of TechnologyBeijing 100081China School of Management and economics Beijing Institute of TechnologyBeijing 100081China Beijing Key Laboratory of energy economics and environmental Management Beijing 100081China Sinopec research institute of Petroleum engineering SinopecBeijing 100101China College of economics and Management Nanjing Agricultural UniversityNanjing 210095China

due to concerns about carbon leakage and sectoral competitiveness,the european Union(eU)proposed implementing the carbon border adjustment mechanism(CBAM).The effectiveness and potential negative consequences of CBAM have aroused extensive *** the perspective of the economy-wide analysis,this study uses a global computable general equilibrium model to explore the rationality of CBAM from the aspects of socioeconomic impact and the effects of promoting climate ***,the potential alternative mechanism of CBAM is *** results show that CBAM can reduce the eU's gross domestic product(GdP)loss;however,the GdP loss in all other regions ***,CBAM raises household welfare losses in most regions,including the ***,although CBAM can reduce the marginal abatement cost in eight regions,it comes at the cost of greater economic ***,the economic and household welfare cost of raising emissions reduction targets in regions like the USA and Japan is substantially higher than the impact of passively accepting the CBAM;therefore,CBAM's ability to drive ambitious emission reduction initiatives may be ***,for the potential alternative mechanism,from the perspective of reducing economic cost and household welfare losses,the eU could implement domestic tax cuts in the short-term and promote global unified carbon pricing in the long-term.

关键词： Border adjustment mechanism Computable general equilibrium model Carbon price Climate policy Global carbon pricing

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Lutein-stevioside nanoparticle attenuates H_(2)O_(2)-induced oxidative damage in ARPe cells

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Food Science and Human Wellness 2024年第3期13卷 1628-1635页

作者： Zhuqing dai Meimei Nie Ye Chen Jiangfeng Song Yayuan Xu Zhongyuan Zhang Guodong Zhang Shumo Yan Xing Zhang dajing Li institute of Agro-product Processing Jiangsu Academy of Agricultural SciencesNanjing 210014China Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base Ministry of Science and TechnologyNanjing 210014China Jiangsu Aland Nutrition Co. Ltd.Taizhou 214500China Aland Nutrition Taizhou Co. Ltd.Taizhou 225300China

In order to improve the bioavailability of lutein(LUT),a novel lutein-stevio side nanoparticle(LUT-STe)were prepared previously,but the information about LUT-STe on protecting of eye health was *** study investigated the effect of LUT-STe on antioxidant activity of H_(2)O_(2)-induced human retinal pigment epithelial(ARPe)*** and LUT-STe(final concentration of 5μg/mL)significantly enhanced cell viability from(74.84±5.10)%to(81.92±10.01)%(LUT)and(89.33±4.34)%(LUT-STe),and inhibited the cell apoptosis(Per pretreatment with LUT-STe in ARPe cells,the levels of superoxide dismutase(SOd),catalase(CAT)and glutathion peroxidase(GSH-Px)in ARPe cells were significantly increased(Pe contents of reactive oxygen species(ROS)and malondialdehyde(MdA)were *** addition,the vascular endothelial growth factor(VeGF)levels were inhibited by 13.61%and 17.39%,respectively,pretreatment with LUT and *** blotting results showed that the pretreatment with LUT-STe inhibited the expression of caspase-9 and caspase-3 and up-regulated Bcl-2/Bax pathway to inhibit H_(2)O_(2)-induced *** summary,the novel delivery LUT-STe had more pronounced inhibitory effect on H_(2)O_(2)-induced damage in human ARPe cells.

关键词： Lutein Stevioside Antioxidant Human retinal pigment epithelial cell Mechanism

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红树植物内生真菌Penicillium sp.中新木质素的分离及结构鉴定

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天然产物研究与开发 2007年第1期19卷 4-6页

作者：李想孙光芝郑毅男林文翰 Isabel Sattler 吉林农业大学中药材学院北京大学天然药物与仿生药物国家重点实验室 hans-knll-institute for natural product research Beutenbergstraβe 11Jena D-07745Germany

应用各种层析手段,从红树植物内生真菌的发酵液中分离纯化了一个新的木质素类化合物,结合多种波谱方法确定其结构为4,4′-二(1-丙烯酸甲酯)-3′-甲氧基-二苯醚(1)。

关键词：红树植物内生真菌 Penicillium sp. 木质素

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Variability of urban fractional vegetation cover and its driving factors in 328 cities in China

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Science China earth Sciences 2024年第2期67卷 466-482页

作者： Fei FeNG Xin YANG Baoquan JIA Xiaoting LI Xianwen LI Chengyang XU Kaicun WANG research Centre of Urban Forestry Key Laboratory for Silviculture and Forest Ecosystem of State Forestry and Grassland AdministrationBeijing Forestry UniversityBeijing100083China State Key Laboratory of earth Surface Processes and Resource ecology Beijing Normal UniversityBeijing100875China research institute of Forestry Chinese Academy of ForestryBeijing100091China School of Architecture Tsinghua UniversityBeijing100084China College of Urban and environmental Sciences Sino-French Institute for Earth System ScienceInstitute of Carbon NeutralityPeking UniversityBeijing100871China

Urban green space promotes the health of urban residents,enhances urban ecosystem biodiversity,mitigates environmental pollution,and attenuates urban heat island ***,urban vegetation cover is highly heterogeneous and difficult to *** this study,the variation of urban fractional vegetation cover(FVC)in 328 cities in China from 1990 to2022 was quantified based on Landsat satellite data at a 30-m *** was found that from 1990 to 2005,due to increases in building density and impervious surfaces in cities,the national mean urban vegetation cover decreased from 0.38 to ***2005,urban vegetation cover began to reverse,reaching 0.45 in *** increasing trend was most pronounced in newly built urban *** decrease in average urban vegetation cover before 2005 was mainly due to the expansion of low vegetation cover areas,while the increase in urban vegetation cover after 2005 manifested as the expansion of high vegetation cover *** reversal in the trend of urban vegetation cover change after 2004 is related to the gradual implementation of national policies requiring increased urban green space *** urban gross domestic product(GdP)showed the highest correlation with changes in urban vegetation *** large and medium-sized cities,the top three factors influencing vegetation cover were GdP,urban population,and ***,for cities in arid/semi-arid regions,changes in vegetation cover were more sensitive to climatic factors(such as precipitation).Although the urban vegetation cover in China has substantially increased in recent years,the urban green space in small-sized cities and in the old urban districts of large-sized cities still have room to improve.

关键词： Urban vegetation Urban vegetation cover Urbanization Remote sensing

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Comprehensive analysis of advanced glycation end-products in commonly consumed foods:presenting a database for dietary AGes and associated exposure assessment

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Food Science and Human Wellness 2024年第4期13卷 1917-1928页

作者： Qiaozhi Zhang Huatao Li Ruixing Zheng Lili Cao Shufen Zhang Shuifeng Zhang Huadong Sheng Yuhao Jiang Yanbo Wang Linglin Fu Food Safety Key Laboratory of Zhejiang Province School of Food Science and BiotechnologyZhejiang Gongshang UniversityHangzhou 310018China Ningbo Academy of product and Food Quality Inspection(Ningbo Fibre Inspection institute) Ningbo 315048China National Pre-packaged Food Quality Supervision and Inspection Center(Zhejiang) Zhejiang Fangyuan Test Group Co.Ltd.Hangzhou 310018China

Advanced glycation end-products(AGes)are a group of heterogeneous compounds formed in heatprocessed foods and are proven to be detrimental to human ***,there is no comprehensive database for AGes in foods that covers the entire range of food categories,which limits the accurate risk assessment of dietary AGes in human *** this study,we first established an isotope dilution UHPLCQq Q-MS/MS-based method for simultaneous quantification of 10 major AGes in *** contents of these AGes were detected in 334 foods covering all main groups consumed in Western and Chinese populations.Nε-Carboxymethyllysine,methylglyoxal-derived hydroimidazolone isomers,and glyoxal-derived hydroimidazolone-1 are predominant AGes found in most *** amounts of AGes were high in processed nuts,bakery products,and certain types of cereals and meats(>150 mg/kg),while low in dairy products,vegetables,fruits,and beverages(essment of estimated daily intake implied that the contribution of food groups to daily AGe intake varied a lot under different eating patterns,and selection of high-AGe foods leads to up to a 2.7-fold higher intake of AGes through daily *** presented AGe database allows accurate assessment of dietary exposure to these glycotoxins to explore their physiological impacts on human health.

关键词： Advanced glycation end-products Maillard reaction Processed foods dietary database exposure assessment

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Auxin-brassinosteroid crosstalk:Regulating rice plant architecture and grain shape

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The Crop Journal 2024年第4期12卷 953-963页

作者： Meidi Wu Jing Zhou Qian Li dunfan Quan Qingwen Wang Yong Gao Jiangsu Key Laboratory of Crop Genomics and Molecular Breeding/Key Laboratory of Plant Functional Genomics of the Ministry of education/Jiangsu Key Laboratory of Crop Genetics and Physiology Yangzhou UniversityYangzhou 225009JiangsuChina Jiangsu Co-Innovation Center for Modern production Technology of Grain Crops Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of EducationYangzhou UniversityYangzhou 225009JiangsuChina

Rice(Oryza sativa)plant architecture and grain shape,which determine grain quality and yield,are modulatedby auxin and brassinosteroid via regulation of cell elongation and *** review the signaltransduction of these h... 详细信息

关键词： Auxin Brassinosteroid Auxin-brassinosteroid crosstalk Plant architecture Grain shape

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Nano-alumina@cellulose-coated separators with the reinforcedconcrete-like structure for high-safety lithium-ion batteries

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Chinese Journal of Chemical engineering 2024年第4期68卷 83-93页

作者： Zhihao Yang Li Chen Jian Xue Miaomiao Su Fangdan Zhang Liangxin ding Suqing Wang Haihui Wang Guangdong Provincial Key Lab of Green Chemical product Technology School of Chemistry and Chemical EngineeringSouth China University of TechnologyGuangzhou 510640China Beijing Key Laboratory of Membrane Materials and engineering Department of Chemical EngineeringTsinghua UniversityBeijing 100084China

Separators play a critical role in the safety and performance of lithium-ion ***,commercial polyolefin separators are limited by their poor affinity with electrolytes and low melting *** this work,we constructed a reinforced-concrete-like structure by homogeneously dispersing nano-Al_(2)O_(3) and cellulose on the separators to improve their stability and *** this reinforcedconcrete-like structure,the cellulose is a reinforcing mesh,and the nano-Al_(2)O_(3) acts as concrete to support the *** constructing the reinforced-concrete-like structure,the separators exhibit good stability even at 200℃(thermal shrinkage of 0.3%),enhanced tensile strain(tensile stress of 133.4 MPa and tensile strains of 62%),and better electrolyte wettability(a contact angle of 6.5°).Combining these advantages,the cells with nano-Al_(2)O_(3)@cellulose-coated separators exhibit stable cycling performance and good rate ***,the construction of the reinforced-concretelike structure is a promising technology to promote the application of lithium-ion batteries in extreme environments.

关键词： Alumina Nanomaterials Lithium-ion batteries Membranes Cellulose Reinforced-concrete-like structure

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Surface engineering of carbon dots for highly sensitive α-glucosidase assay and inhibition evaluation

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Chinese Chemical Letters 2024年第3期35卷 193-197页

作者： Meijuan Liang Gege Song Yeqing Wan Yingying Chen Fuan Wang Xiaoqing Liu College of Chemistry and Molecular Sciences Wuhan UniversityWuhan 430072China Oil Crops research institute Chinese Academy of Agricultural SciencesWuhan 430062China

Monitoringα-glucosidase(α-Glu)activity is of great significance for the early diagnosis of typeⅡ*** the blue fluorescent carbon dots(Cds)were integrated with two different recognizing molecules,β-cyclodextrin and phenylboronic acid,for assembling a multifunctional Cds(mCds)nanoplatform for sensitively analyzingα-Glu and its *** hydrolyzed product of 4-nitrophenyl-α-d-glucopyranoside(α-Glu substrate),p-nitrophenol,could efficiently quench the fluorescence of mCds due to its cooperative molecular recognition withβ-cyclodextrin and phenylboronic *** mCds could be utilized for the detection ofα-Glu activity with the limit of detection of 0.030 U/***,the presentα-Glu detection platform revealed a high selectivity,and other natural enzymes showed scarcely any effect on the present mCds *** proposed method could be facilely used to screenα-Glu inhibitors with satisfying *** rational mCds is expected to supplement more comprehensive biosensing platforms for highly sensitive and specific recognition of disease-relevant biomarkers with clinical importance.

关键词： α-Glucosidase Carbon dots Fluorescent sensor Inhibitor β-Cyclodextrin

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effect of mesopore spatial distribution of HZSM-5 catalyst on zinc state and product distribution in 1-hexene aromatization

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Chinese Journal of Chemical engineering 2024年第3期67卷 16-26页

作者： Chenhao Wei di Gao Guohao Zhang Liang Zhao Jinsen Gao Chunming Xu The State Key Lab of Heavy Oil Processing China University of Petroleum(Beijing)Beijing 102249China SINOPeC research institute of Petroleum Processing Co. Ltd.Beijing 100083China

1-hexene aromatization is a promising technology to convert excess olefin in fluid catalytic cracking(FCC)gasoline to high-value benzene(B),toluene(T),and ***,the increasing market demand of xylene has put forward higher requirements for new generation of *** increasing xylene yield in 1-hexene aromatization,the effect of mesopore structure and spatial distribution on product distribution and Zn loading was *** with different mesopore spatial distribution were prepared by post-treatment of parent HZSM-5 zeolite,including NaOH treatment,tetra-propylammonium hydroxide(TPAOH)treatment,and *** was found the evenly distributed mesopore mainly prolongs the catalyst lifetime by enhancing diffusion properties but reduces the aromatics selectivity,as a result of damage of micropores close to the catalyst *** the selectivity of high-value xylene can be highly promoted when the mesopore is mainly distributed interior the ***,the state of loaded Zn was also affected by mesopores spatial *** the optimized catalyst,the xylene selectivity was enhanced by 12.4%compared with conventional Zn-loaded parent HZSM-5 catalyst at conversion over 99%.It was attributed to the synergy effect of mesopores spatial distribution and optimized acid *** work reveals the role of mesopores in different spatial positions of 1-hexene aromatization catalysts in the reaction process and the influence on metal distribution,as well as their synergistic effect two on the improvement of xylene selectivity,which can improve our understanding of catalyst pore structure and be helpful for the rational design of high-efficient catalyst.

关键词： 1-Hexene aromatization Alkali treatment Xylene selectivity Mesopores Zinc state

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海洋真菌中Actinopyrone A and C的分离与结构解析(英文)

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波谱学杂志 2007年第3期24卷 275-280页

作者：李想姚燕华郑毅男林文翰 Isabel Sattler 吉林农业大学中药材学院北京大学天然药物与仿生药物国家重点实验室北京100083 hans-Knoll-institute for natural product research Beutenbergstraβe11D-07745JenaGermany

应用各种层析手段(Sephadex LH-20,硅胶Silica和RP-8柱层析),从海洋真菌发酵液中分离纯化了2个actinopyrone类化合物,结合多种波谱方法(HReSI-MS,1d NMR,2d NMR),确定了它们的结构为:actinopyrone A和C.利用NOeSY试验确定了它们的相对构... 详细信息

应用各种层析手段(Sephadex LH-20,硅胶Silica和RP-8柱层析),从海洋真菌发酵液中分离纯化了2个actinopyrone类化合物,结合多种波谱方法(HReSI-MS,1d NMR,2d NMR),确定了它们的结构为:actinopyrone A和C.利用NOeSY试验确定了它们的相对构型,并根据HMBC数据纠正了这2个化合物C-21(H-21)位和C-22(H-22)位的化学位移.

关键词： NMR 结构解析海洋真菌 actinopyrone A actinopyrone C

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