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| 1 | Effects of increasing panicle-stage N on yield and N use efficiency of indica rice and its relationship with soil fertility显示文摘Because of the higher nitrogen(N)recovery efficiency(NRE)of panicle-stage fertilization compared with basal and tillering fertilization,increasing the proportion of N topdressing at the booting stage(panicleN)is recommended and commonly practiced in parts of China.To investigate the effects of increasing panicle-N on grain yield and N use efficiency(NUE)and the relationships of the increase and the rice cultivar and soil fertility status,we increased the percentage of panicle-N from 20%to 40%by correspondingly reducing the N amount applied only at the tillering stage in both high-and low-fertility blue clayey paddy fields in 2018 and 2019.Four indica cultivars with diverse panicle types were used,and their grain yield,dry matter accumulation,and NUE were compared.In high-fertility soil,increasing topdressing panicle-N from 20%to 40%reduced tillering ability and reduced the effective panicle numbers of the multi-and medium-panicle cultivars Huanghuazhan(HHZ),C Liangyouhuazhan(CHZ),and Tianyouhuazhan(THZ).These cultivars gave the greatest yield when 30%of N was supplied as panicle fertilizer,whereas the yield,NRE,N agronomic efficiency(NAE),and nitrogen physiological efficiency(NPE)of the heavy-panicle inbred cultivar Yangdao 6(YD6)continued to increase,resulting in improved dry matter accumulation and grain filling in the late growth stage.The yield,NAE,NRE,and NPE of YD6 peaked when the panicle-N constituted 40%.While in low-fertility soil,the multipanicle cultivar HHZ showed the greatest yield when 30%of fertilizer-N was applied once at the panicle initiation(PI)stage,while the medium-panicle cultivar CHZ showed the greatest yield when the panicle-N percentage was 40%.Our results suggest that the percentage of panicle-N fertilizer should not exceed 30%for multipanicle cultivars,while can be appropriately increased to 40%for heavy-panicle indica cultivars.The effect of increasing topdressing panicle-N on the yield of medium-panicle cultivars was related to soil fertility.The optimum panicle-N percentage was 30%in the high-fertility soil and 40%in the low-fertility soil. | Chang Ye Hengyu Ma Xiu Huang Chunmei Xu Song Chen Guang Chu Xiufu Zhang Danying Wang | 2022 | The Crop Journal2022,10,6: | 3 |
| 2 | Multiple symbols soft-decision metrics for coded frequency-shift keying signals显示文摘This paper derives a novel multiple symbols soft-decision metrics for frequency-shift keying signals which are affected by additive symmetric α -stable (S α S) noise and fading. The approximate metric, which is for the case where channel state information (phases, amplitudes, and noise dispersion parameter) is unknown is obtained based on a generalized-likelihood ratio (GLR) approach. The metric is obtained in closed form and proved to be effective. The performances of the multiple symbols soft-decision metrics are compared numerically for a turbo-coded system. The proposed multiple symbols metric provides substantial improvement over earlier single-symbol metrics. | MA Zheng PERSSON Danie LARSSON Erik G. FAN PingZhi | 2013 | Science China(Information Sciences)2013,56,2: | 2 |
| 3 | An ultrastructural study of calcium induced degenerative change in dissociated heart cells显示文摘 | Russo MA Cittadini A Dani AM | 1981 | J Mol Cell Cardiol1981,13,: | 1 |
| 4 | Less Delta mt DNA4977 than normal in various types of tumors suggests that cancer cells are essentially free of thismutation显示文摘 | Dani MA Dani SU Lima SP | 2004 | Genet Mol Res2004,3,3: | 1 |
| 5 | Extreme elevation of intra- sellar pressure in patients with pituitary tumor apoplexy: relation to pituitary function 显示文摘 | Dany HZ Warren RS Baha MA | 2004 | J Clin Endocrinol Metab2004,89,11: | 1 |
| 6 | Evaluation of a method for high yield purification of largely intact mitochondrial DNA from human placenta显示文摘 | Dani SU Comes-Ruiz AC Dani MA | 2003 | Genet Mol Res2003,2,2: | 1 |
| 7 | A comparative study of the cytotoxicity and corrosion resistance of nickel–titanium and titanium–niobium shape memory alloys显示文摘 | Rebecca E. McMahon Ji Ma Stanislav V. Verkhoturov Dany Munoz-Pinto Ibrahim Karaman Felix Rubitschek Hans J. Maier Mariah S. Hahn | 2012 | Acta Biomaterialia2012,,7: | 1 |
| 8 | An uhrastructural study of calcium induced degenerative change in dissociated heart cells显示文摘 | Russo MA Cittadini A Dani AM | 1981 | J Mol Cell Cardiol1981,13,3: | 1 |
| 9 | Self-assembled supramolecular materials for photocatalytic H_(2)production and CO_(2)reduction显示文摘Photosynthetic organisms harness solar radiation to produce energy-rich compounds from water and atmospheric CO_(2)via exquisite supramolecular assemblies,which offers a design principle for highly efficient artificial photocatalytic systems.As an emerging research field,significant effort has been devoted to self-assembled supramolecular materials for photocatalytic H_(2)production and CO_(2)reduction.In this review,we introduce the basic concepts of supramolecular photocatalytic materials.After that,we will discuss recent advances in the preparation of supramolecular photocatalytic materials from zero-dimension to three-dimension which include molecular assemblies,micelles,hybrid nanoparticles,nanofibers,nanosheets,microcrystals,lipid bilayers,supramolecular organic frameworks,supramolecular metal-organic frameworks,gels,and host-guest metal-organic frameworks,etc.Furthermore,we show the recent progress in the photocatalytic properties of supramolecular photocatalytic materials,i.e.photocatalytic proton reduction,water splitting,CO_(2)to HCOOH,CO_(2)to CO,CO_(2)to CH4 conversions,etc.Finally,we provide our perspective for the future research,with a focus on the development of new structures and highly efficient photocatalysis. | Jia Tian Junlai Yu Qingxuan Tang Jiangshan Zhang Danying Ma Yifei Leiand Zhan-Ting Li | 2022 | Materials Futures2022,1,4: | 1 |
| 10 | Characterisationof the H+/peptide cotransporter of eel intestinal brush-border membranes显示文摘 | VerriT Ma/aM Danieli A | 2000 | The Journal ofExperimental Biology2000,203,: | 1 |
| 11 | Electrospray mass spectrometry with consecutive fragmentation steps (ESI-MS) as a tool for rapid and sensitive analysis of ginsenosides and their galatosyl derivatives 显示文摘 | Tawab MA Bahr U Danieli B | 2000 | Helv Chim Acta2000,83,4: | 1 |
| 12 | Overexpression of HOXA9 upregulates NF-κB signaling to promote human hematopoiesis and alter the hematopoietic differentiation potentials显示文摘Background: The HOX genes are master regulators of embryogenesis that are also involved inhematopoiesis. HOXA9 belongs to a cluster of HOX genes that play extensively studied roles inhematopoiesis and leukemogenesis.Methods: We established HOXA9-inducible human embryonic stem cells (HOXA9/hESCs) with normalpluripotency and potential for hematopoiesis, which could be used to analyze gene function with highaccuracy. HOXA9/hESCs co-cultured with aorta–gonad–mesonephros-derived stromal cells (AGM-S3) wereinduced to overexpress HOXA9 with doxycycline (DOX) at various times after hematopoiesis started andthen subjected to flow cytometry.Results: Induction of HOXA9 from Day 4 (D4) or later notably promoted hematopoiesis and also increasedthe production of CD34+ cells and derived populations. The potential for myelogenesis was significantlyelevated while the potential for erythrogenesis was significantly reduced. At D14, a significant promotion ofS phase was observed in green fluorescent protein positive (GFP+) cells overexpressing HOXA9. NF-κBsignaling was also up-regulated at D14 following induction of HOXA9 on D4. All of these effects could becounteracted by addition of an NF-κB inhibitor or siRNA against NFKB1 along with DOX.Conclusions: Overexpression of HOXA9 starting at D4 or later during hematopoiesis significantly promotedhematopoiesis and the production of myeloid progenitors while reduced the production of erythroidprogenitors, indicating that HOXA9 plays a key role in hematopoiesis and differentiation of hematopoieticlineages. | Jiahui Zeng Danying Yi Wencui Sun Yuanlin Liu Jing Chang Lijiao Zhu Yonggang Zhang Xu Pan Yong Dong Ya Zhou Mowen Lai Guohui Bian Qiongxiu Zhou Jiaxin Liu Bo Chen Feng Ma | 2021 | Cell Regeneration2021,10,1: | 0 |
| 13 | A hybrid CNN-LSTM model for diagnosing rice nutrient levels at the rice panicle initiation stage显示文摘Nitrogen(N)and potassium(K)are two key mineral nutrient elements involved in rice growth.Accurate diagnosis of N and K status is very important for the rational application of fertilizers at a specific rice growth stage.Therefore,we propose a hybrid model for diagnosing rice nutrient levels at the early panicle initiation stage(EPIS),which combines a convolutional neural network(CNN)with an attention mechanism and a long short-term memory network(LSTM).The model was validated on a large set of sequential images collected by an unmanned aerial vehicle(UAV)from rice canopies at different growth stages during a two-year experiment.Compared with VGG16,AlexNet,GoogleNet,DenseNet,and inceptionV3,ResNet101 combined with LSTM obtained the highest average accuracy of 83.81%on the dataset of Huanghuazhan(HHZ,an indica cultivar).When tested on the datasets of HHZ and Xiushui 134(XS134,a japonica rice variety)in 2021,the ResNet101-LSTM model enhanced with the squeeze-and-excitation(SE)block achieved the highest accuracies of 85.38 and 88.38%,respectively.Through the cross-dataset method,the average accuracies on the HHZ and XS134 datasets tested in 2022 were 81.25 and 82.50%,respectively,showing a good generalization.Our proposed model works with the dynamic information of different rice growth stages and can efficiently diagnose different rice nutrient status levels at EPIS,which are helpful for making practical decisions regarding rational fertilization treatments at the panicle initiation stage. | Fubing Liao Xiangqian Feng Ziqiu Li Danying Wang Chunmei Xu Guang Chu Hengyu Ma Qing Yao Song Chen | 2024 | Journal of Integrative Agriculture2024,23,2: | 0 |