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Further yield-scaled CH4 emission analyses indicated that the SUSIBA2 effect did not mitigate CH4 emissions at the expense of yield. Compared with the wild type, SUSIBA2 rice significantly reduced soil organic carbon properties and the abundance of CH4-related microbes, and altered methanogenic and methanotrophic communities, indicating that SUSIBA2 rice released less carbon to the soil, which reduced CH4 production. Furthermore, a comparison of microbial communities between SUSIBA2 japonica and indica rice revealed different responses of methanogenic and methanotrophic communities, which may partly explain their differences in growth performance and CH4 mitigation effect. Thus, our results show that SUSIBA2 rice substantially reduces CH4 emissions and that SUSIBA2 can potentially mitigate the CH4 emissions of japonica and indica rice under distinct cultivation conditions.Greenery infrastructure (GI) is an important design strategy for sustainable cities and communities' development, as it brings multiple benefits including mitigating urban heat island. Based on the implementation locations, three typical GI typologies, namely green roof, green wall, and ground tree, are widely adopted in urban communities. As previous studies focused on one single GI and mainly studied their thermal features, this study aims to fill the gap by investigating three GI typologies within one site; their thermal-irradiant performance was compared for four typical summer days in a subtropical city. Firstly, stationary and transect measurements were taken for six points (three greenery and three bare points); two typical measuring methods, i.e., the globe thermometer and the six-directional methods, were employed to collect irradiant variables. Secondly, the thermal-irradiant differences were revealed among GI typologies and temporal periods; two measuring methods were compared for their capabilities in detecting the irradiant variations near three GI typologies. Results showed that 1) the ground tree experienced the smallest thermal-irradiant average and variation among three GI typologies; 2) the morning session (0900-1200) had the largest thermal-irradiant reduction and variations for three GI typologies; and 3) the six-directional method showed higher sensitivity towards the irradiant variations near three GI typologies; the globe thermometer method is not suitable for tree-shaded areas. This study provides a comprehensive understanding of proper selection of MRT measuring methods and GI implementation for thermal comfort, especially for the subtropical cities. Practically, this study shows designers and policymakers on how to implement GI typologies for climate-resilient design.The effects of tree species on bacterial community structure have attracted much attention, but few studies have been done in natural mixed forests. In this study, we selected 12 sampling sites in the subtropical natural mixed forest (mainly distributed by Chinese sweet gum, chestnut, Oriental oak, Masson pine, Chinese fir, etc.). The fermentation layer (OF) and humified layer (OH) were mixed as forest floor samples, and the topsoil samples (0-10 cm) were taken. Bacterial composition was studied by 16S rRNA gene sequencing. Coniferous canopy area ratio (Pc), broadleaved and shrubby canopy area ratio (Phwd), elevation, soil properties were tested. The objective is to reveal which soil properties are significantly affected by tree species characteristics, which soil properties significantly affect bacterial community structure, and whether the bacterial community structure is the same in forest floor and topsoil samples at the same sampling site. The results showed that (1) Pc and Phwd could be used to represende a new perspective for maintaining the stability of regional ecosystem structure.Selective adsorption via the size matching effect is one of the most effective strategies for separating and analyzing low levels of organic molecules. Herein, multicomponent covalent organic frameworks (MC-COFs) with tunable pore sizes are constructed by using one knot (1,3,5-triformylphloroglucinol, Tp) and two organic linkers (p-phenylenediamine, Pa; benzidine, BD). The pore sizes of the MC-COFs composed of TpPaBDX (X = [BD]/([Pa] + [BD]) × 100 = 0, 25, 50, 75, and 100) range from 0.5-1.5 to 0.5-2.2 nm due to variations in the initial organic linker ratios. When coupling TpPaBDX-based solid-phase microextraction (SPME) with constant flow desorption ionization mass spectrometry (CFDI-MS), these MC-COFs feature better selective adsorption performance for tetrabromobisphenol A (TBBPA) derivatives than TpPa with a smaller pore size, TpBD with a larger pore size and even some commercial fibers (e.g., polydimethylsiloxane/divinylbenzene (PDMS/DVB)-, polyacrylate (PA)- and PDMS-coated fibers). The improved method involving MC-COF TpPaBD50 also presents favorable stability with relative standard deviations (RSD, 1 μg L-1) for single fibers of 5.5-7.9% (n = 7) and fiber-to-fiber of 6.6-7.8% (n = 7). Due to the decreased limits of detection and quantification (0.5-12 and 1.6-40 ng L-1), and reduced separation and detection time (7 min), ultratrace levels of TBBPA derivatives in real water samples are successfully detected. The proposed method shows great potential for the rapid tracing of the distribution, transportation and transformation of TBBPA derivatives to better understand their ecotoxicological effects in environmental media.Aboveground litter inputs from plants are among the most important pathways for carbon and nutrient fluxes to the soil. Previous studies on the effects of aboveground litter from invasive plants on ecosystem processes have primarily focused on biogeochemical cycling processes such as C and N mineralization, whereas the effects of aboveground litter from invasive plants on nitrogen removal processes are not well understood. In this study, the effects of the aboveground litter of native Phragmites australis and exotic Spartina alterniflora on soil nitrification and denitrification were compared. Results showed that the removal of the aboveground litter of both species had no effect on nitrification or denitrification in the early growth phase. However, after aboveground litter removal in the late growth phase, nitrification and denitrification in the P. australis stands decreased by 41.18% and 25.11%, respectively, whereas no such changes were observed in the S. alterniflora stands. These results indicate that the impacts of aboveground litter on nitrification and denitrification are species-specific. The aboveground litter from indigenous P. australis affected the SOC content and then indirectly affected nitrification or denitrification, and these effects were clearer in the late growth phase. Although other studies have reported that the invasive S. alterniflora have strong impacts on nitrogen removal processes, our study showed that the aboveground litter from S. alterniflora did not alter nitrification or denitrification, which indicates that other pathways may play important roles in nitrogen removal processes than its aboveground litter does.Carbonyl compounds are ubiquitous in the troposphere, yet their contributions to ambient ozone (O3) formation have rarely been quantified in China. To better understand their roles in O3 pollution, a field campaign was conducted at an urban site of Shantou, a coastal city in eastern China, during 7th-29th October 2019. Seven carbonyls were quantified (average ± standard deviation 14.42 ± 3.05 ppbv), among which formaldehyde (4.12 ± 1.02 ppbv), acetaldehyde (1.57 ± 0.30 ppbv), acetone (7.55 ± 2.10 ppbv), and methyl ethyl ketone (0.94 ± 0.28 ppbv) were the most abundant species. Tanespimycin concentration Relative incremental reactivity (RIR) analysis indicated that O3 formation in Shantou was VOC-limited, specifically most sensitive to carbonyls, and formaldehyde showed the largest RIR values in terms of individual species. Budgets of O3 and ROx (OH, HO2, and RO2) radicals were elucidated with a chemical box model. Carbonyls played a vital role in both the primary formation and recycling of the ROx; more than 80% of the primary source of HO2 and RO2 came from photolysis of formaldehyde and other oxygenated VOCs. link= Tanespimycin concentration Zero-out sensitivity studies showed that the seven measured carbonyls accounted for 37% of the peak net O3 production rate, mainly by affecting the concentrations of HO2 and RO2. These results highlight the significance of carbonyls, especially formaldehyde, to photochemical O3 formation, and carbonyls should be paid more attention to mitigate the worsening O3 pollution in China.The COVID 19 pandemic resulted in a total reduction in the number of hospitalizations for acute coronary syndromes. A consequence of the delay in coronary revascularization has been the resurgence of structural complications of myocardial infarctions. link2 Ventricular septal rupture (VSR) complicating late presenting acute myocardial infarction (AMI) is associated with high mortality despite advances in both surgical repair and perioperative management. Current data suggests a declining mortality with delay in VSR repair; however, these patients may develop cardiogenic shock while waiting for surgery. Available options are limited for patients with VSR who develop right ventricular failure and cardiogenic shock. The survival rate is very low in patients with cardiogenic shock undergoing surgical or percutaneous VSR repair. In this study we present two late presenting ST elevation MI patients who were complicated by rapidly declining hemodynamics and impending organ failure. Both patients were bridged with venoarterial extracorporeal membrane oxygenation (ECMO) to cardiac transplant.Defective graphene nanosheets (dGN4V) with 5-9, 5-8-5, and point defects were synthesised by a sonoelectrochemical method, where a potential of 4 V (vs. link2 Ag/AgCl) was applied to drive the rapid intercalation of phosphate ions between the layers of the graphite foil as a working electrode. In addition to these vacancies, double vacancy defects were also created when the applied potential was increased to 8 V (dGN8V). The defect density of dGN8V (2406 μm-2) was higher than that of dGN4V (1786 μm-2). Additionally, dGN8V and dGN4V were applied as catalysts for the hydrogen peroxide reduction reaction (HPRR). The mass activity of dGN8V (1.31 × 10-2 mA·μg-1) was greater than that of dGN4V (1.17 × 10-2 mA·μg-1) because of its high electrochemical surface area (ECSA, 1250.89 m2·g-1) and defect density (ND, 2406 μm-2), leading to low charge transfer resistance on the electrocatalytic interface. The ECSA and ND of dGN4V were 502.7 m2·g-1 and 1786 μm-2, respectively. link3 link3 Apart from its remarkable HPRR activity, the cost-effective dGN8V catalyst also showed potential as an amperometric sensor for the determination of H2O2.This study aimed to investigate the effect of ultrasonic application on the production of precipitated calcium carbonate (PCC) particles from desulfurization gypsum via direct mineral carbonation method using conventional and venturi tube reactors in the presence of different alkali sources (NaOH, KOH and NH4OH). Tanespimycin concentration The venturi tube was designed to determine the effect of ultrasonication on PCC production. Ultrasonic application was performed three times (before, during, and after PCC production) to evaluate its exact effect on the properties of the PCC particles. Scanning electron microscope (SEM), X-ray diffraction (XRD), Atomic force microscope (AFM), specific surface area (SSA), Fourier transform infrared spectrometry (FTIR), and particle size analyses were performed. Results revealed the strong influence of the reactor types on the nucleation rate of PCC particles. The presence of Na+ or K+ ions in the production resulted in producing PCC particles containing only calcite crystals, while a mixture of vaterite and calcite crystals was observed if NH4+ ions were present.