搜索结果: 1-15 共查到“理学 the r-process”相关记录338条 . 查询时间(0.328 秒)
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：mcGP: mesh-clustered Gaussian process emulator for partial differential equation systems
mcGP 偏微分方程组 网格聚类 高斯过程 仿真器
2023/4/18
Partial differential equations (PDEs) have become an essential tool for modeling complex physical systems. Such equations are typically solved numerically via mesh-based methods, such as the finite el...
2022年9月5日四川泸定M6.8级地震震源破裂过程反演初步结果 Preliminary result for Rupture Process of Sep.5,2022,M6.8 Earthquake,Luding,China（图）
四川泸定 地震震源破裂过程 反演初步结果
2023/1/16
北京时间2022年9月5日12点52分 (UTC 2022-9-5 04:52:20) 在我国四川省泸定县发生了M6.8级地震。地震发生后，我们从IRIS数据中心下载了地震数据资料用于研究地震震源机制和震源破裂过程。选取其中信噪比较高并且沿方位角分布比较均匀的19个远场P波波形（震中距位于30°<△<90°范围之内）和21个SH波波形资料进行点源模型的震源机制解反演；根据反演结果构建有限断层模型进...
Revealing the mysterious biology of a fundamental process: reproduction（图）
细胞分裂 复发性流产 精子移动
2023/7/12
Reproduction is a complex process, requiring a huge variety of molecular and cellular interactions, many aspects of which remain a mystery to science.
Loss of biodiversity in streams threatens vital biological process
river ecosystem phosphorus nitrogen biodiversity
2021/8/5
The fast-moving decline and extinction of many species of detritivores -- organisms that break down and remove dead plant and animal matter -- may have dire consequences, an international team of scie...
Uncovering process domains in large rivers: Patterns and potential drivers of benthic substrate heterogeneity in two North American riverscapes
rivers North American benthic
2021/7/23
Identifying and understanding functional process domains (sensu Montgomery, 1999) in rivers is paramount for linking the physical habitat template to ecosystem structure and function.
Staining of subfossil chironomid head capsules: a method for improving the extraction process from lake sediments and peat
chironomids stain biological
2021/7/26
Subfossil chironomids are regarded as a useful biological proxy for palaeoenvironmental research, but picking chironomid head capsules from aquatic sediments is extremely time-consuming.
Microbes deep beneath seafloor survive on byproducts of radioactive process（图）
Microbes seafloor survive byproducts radioactive process
2021/3/5
Microbes in sediment below the seafloor are sustained primarily by chemicals created by the natural irradiation of water molecules, report U.S. National Science Foundation-funded researchers at t...
MULTISPECTRAL AND PANCHROMATIC REGISTRATION OF ALSAT-2 IMAGES USING DENSE VECTOR MATCHING FOR PAN-SHARPENING PROCESS
Pan-sharpening band to band registration image-based registration Dense Vector Matching Alsat-2
2018/6/4
The pan-sharpening is a widely used operation in remote sensing image processing, this operation aims at combining an observable high spatial resolution panchromatic image with a multispectral one, to...
SEMI AUTOMATED LAND COVER LAYER UPDATING PROCESS UTILIZING SPECTRAL ANALYSIS AND GIS DATA FUSION
NTDB (National Topographic Data Base), Segmentation, Classification, nDSM, data fusion
2018/5/11
Technological improvements made in recent years of mass data gathering and analyzing, influenced the traditional methods of updating and forming of the national topographic database. It has brought a ...
中国地质大学科学技术发展院陈思资源学院 GSA Bulletin, JAN 2018, Growth of the paleo-Orinoco shelf-margin prism: Process regimes,delta evolution, and sediment budget beyond the shelf edge
南美洲；新近系；Orinoco；三角洲；大陆架；沉积演化
2021/10/21
2018年1月，有关“南美洲新近系Orinoco三角洲大陆架及陆架边缘沉积演化”的研究成果刊发在美国地质学会国际重要期刊《Geological Society of America Bulletin》上。该文第一作者为中国地质大学资源学院副教授陈思博士。
Clogging mechanism in the process of reinjection of used geothermal water: A simulation research on Xianyang No.2 reinjection well in a super-deep and porous geothermal reservoir
Xianyang Super-deep and porous geothermal reservoir Reinjection Clogging mechanism
2018/3/23
In the process of geothermal exploitation and utilization, the reinjection amount of used geothermal water in super-deep and porous reservoir is small and significantly decreases over time. This has b...
Mimicking Biological Process,Hydrogel Signals And Releases Proteins（图）
Mimicking Biological Process Hydrogel Signals Releases Proteins
2017/11/23
An artificial system using a DNA-laced hydrogel can receive a chemical signal and release the appropriate protein, according to Penn State researchers. Further stimulation by the chemical signal conti...
中山大学岭南学院高级计量经济学课件（II：Time series）CH4 Unstationary Autoregressive Process
中山大学岭南学院 高级计量经济学 课件（II：Time series） CH4 Unstationary Autoregressive Process
2017/6/14
中山大学岭南学院高级计量经济学课件（II：Time series）CH4 Unstationary Autoregressive Process。
中山大学岭南学院高级计量经济学课件（II：Time series）CH2 Stationary Autoregressive Process
中山大学岭南学院 高级计量经济学 课件（II：Time series） CH2 Stationary Autoregressive Process
2017/6/14
中山大学岭南学院高级计量经济学课件（II：Time series）CH2 Stationary Autoregressive Process。
CONSERVATION PROCESS MODEL (CPM): A TWOFOLD SCIENTIFIC RESEARCH SCOPE IN THE INFORMATION MODELLING FOR CULTURAL HERITAGE
Ontologies cultural heritage conservation BHIM scientific research
2017/6/20
The aim of the present research is to develop an instrument able to adequately support the conservation process by means of a twofold approach, based on both BIM environment and ontology formalisation...