搜索结果: 1-15 共查到“degradation”相关记录311条 . 查询时间(0.184 秒)
中国科学院西北高原生物研究所《高寒草地生态恢复技术与管理模式》《Grassland Degradation, Restoration and Sustainable Management of Global Alpine Area》出版（图）
生态系统 管理 气候
2025/1/8
高寒草地生态系统作为青藏高原乃至我国生态安全的关键屏障，肩负着水源涵养和补给、生物多样性维持、气候调节以及支撑当地畜牧业生产等重要生态服务功能。然而，2024年来，由于过度放牧、气候变化和不当土地利用等因素的叠加作用，全球高寒草地面临着大规模退化的严峻挑战。这种退化不仅严重威胁到草地生态功能的稳定性，还直接影响到人类和家畜的生存与可持续发展。因此，高寒草地的生态保护与修复，作为一项涉及生态、社会与...
南京农业大学农学院《Journal of Integrative Plant Biology》发表张红生教授团队“Potassium transporter OsHAK9 regulates seed germination under salt stress by preventing gibberellin degradation through mediating OsGA2ox7 in rice”（图）
张红生 种子 作物遗传
2024/6/11
盐害是制约全世界作物生长的主要非生物胁迫之一，全球有6%土地和20%灌溉用地受到盐害影响，严重制约了农作物生长发育和产量。水稻作为全球主要粮食作物之一，对盐胁迫敏感。盐胁迫条件下，水稻种子萌发和幼苗形态建成显著受抑制，严重制约了我国水稻直播的推广和盐碱地区耕地利用。因此，挖掘鉴定控制水稻种子萌发的关键基因，阐明其在盐胁迫条件下调控种子活力的分子机制，对培育适合盐碱地生长的种子高活力耐盐水稻品种和保...
Pathogen-associated Molecular Pattern-triggered Immunity Involves Proteolytic Degradation of Core Nonsense-mediated mRNA Decay Factors During the Early Defense Response
UPF protein ubiquitination resistance gene Nonsense-mediated mRNA decay (NMD) Defense response Effective immunity
2024/1/22
Nonsense-mediated mRNA decay (NMD), an mRNA quality control process, has been implicated in plant immunity. A subset of fully spliced (FS) transcripts of Arabidopsis resistance (R) genes are reportedl...
How Can Remote Sensing Help Monitor Tropical Moist Forest Degradation?-A Systematic Review
tropical moist forest forest degradation remote sensing forest degradation metrics forest resilience forest structure forest composition forest regeneration
2023/12/11
In the context of the climate and biodiversity crisis facing our planet, tropical forests playing a key role in global carbon flux and containing over half of Earth's species are important to preserve...
Preparation and Degradation of Waste Polycarbonate-Derived Epoxy Thermosets and Composites
waste polycarbonate diphenyl carbonate one-hundred percent atom efficiency epoxy recycling of CFRP aminolysis
2023/12/5
We report a robust, 100% atom-efficiency strategy for preparing waste polycarbonate (WPC)-derived epoxy resin. To demonstrate the preparation process, we perform a pyridine-catalyzed model reaction be...
Epoxy vitrimer based on borate ester bond for green degradation, closed-loop recycling, and ready reprocessing
Green degradation Thermoset Dynamic covalent bond Recyclable
2023/12/1
The three-dimensional network of traditional epoxy resin endows it with suitable properties, but it also presents challenges in reprocessing and recycling. Recent years have witnessed the development ...
Thermal Degradation Behavior of Epoxy Resin Containing Modified Carbon Nanotubes
epoxy resin carbon nanotubes silicone thermal degradation flame retardancy activation energy
2023/12/1
Via the surface-grafting of carbon nanotubes (CNTs) with a silicon-containing flame retardant (PMDA), a novel flame retardant CNTs-PMDA was synthesized. The flame retardancy was tested by cone calorim...
Arabidopsis HIPP proteins regulate endoplasmic reticulum-associated degradation of CKX proteins and cytokinin responses
proteins regulate Endoplasmic reticulum (ER) CKX proteins plant development
2023/12/1
Eukaryotic organisms are equipped with quality-control mechanisms that survey protein folding in the endoplasmic reticulum (ER) and remove non-native proteins by ER-associated degradation (ERAD). Rece...
Network Degradation Assessed by Evolved Gas Analysis-Mass Spectrometry Combined with Principal Component Analysis (EGA-MS-PCA): A Case of Thermo-Oxidized Epoxy/Amine Network
ULTRAVIOLET-IRRADIATION MECHANICAL-PROPERTIES BUTADIENE RUBBER EPOXY-RESINS TEMPERATURE PYROLYSIS COATINGS TRANSITION OXIDATION SCISSION
2023/11/16
To study the degradation of thermosetting polymers, we apply a novel method to simultaneously study the chemical structural changes and network topology: evolved gas analysis-mass spectrometry combine...
The key clock component ZEITLUPE (ZTL) negatively regulates ABA signaling by degradation of CHLH in Arabidopsis
ABA circadian clock ZTL CHLH Arabidopsis signal transduction
2023/11/16
Ubiquitination-mediated protein degradation plays important roles in ABA signal transduction and delivering responses to chloroplast stress signals in plants, but additional E3 ligases of protein ubiq...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Optimal planning of degradation-based maintenance strategy
降级 维护策略 优化规划
2023/4/24
The optimal planning of condition-based maintenance strategy based on the degradation process is of great concerned in the past few years. A lifetime delayed degradation process with heterogenous degr...
Sucrose transport regulator OsDOF11 mediates cytokinin degradation during rice development
Transcription factor Cytokinin OsDOF11 OsCKX4 Tissue homeostasis Rice
2023/7/20
Photosynthetic tissues are dynamic structures whose homeostasis depends on the coordination of two antagonistic processes: self-maintenance and supporting sink tissues. The balance of these processes ...
Lithium-air batteries were thought promising in the 1970s as a potential power source for electric vehicles, offering energy densities that rival gasoline and significantly surpass conventional lithiu...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Recoverability effects on reliability assessment for accelerated degradation testing
可恢复性 加速退化测试 可靠性评估
2023/4/24
Accelerated Degradation Testing (ADT) provides an efficient experimental approach to collect lifetime-related data for the reliability assessment of highly reliable products under normal use stress. R...
Analysis of atmospheric visibility degradation in early haze based on the nucleation clustering model
Early haze Initial nucleation process Heterogeneous cluster Visible-light absorption
2023/3/1
The initial nucleation of ultrafine particle recently attracts more attention as a key factor in visibility degradation during early haze. In this study, we have performed Density Functional Theory (D...
