搜索结果: 1-15 共查到“理学 preservation”相关记录25条 . 查询时间(0.157 秒)
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：On the preservation of second integrals by RK methods
RK方法 保存 第二积分
2023/4/25
One can elucidate integrability properties of ODEs by knowing the existence of second integrals. However, little is known about how they are preserved, if at all, under numerical methods. In this talk...
中国地质大学科学技术发展院苟启洋，徐尚，郝芳等，资源学院/构造与油气资源教育部重点实验室. Energy(December 2020), The effect of tectonic deformation and preservation condition on the shale pore structure using adsorption-based textural quantification and 3D image observation
构造作用；保存条件；有机质；页岩；微纳米；孔隙；发育演化
2021/10/15
近日，中国地质大学资源学院博士生苟启洋在国际著名能源地质学期刊《Energy》上刊发研究成果，该成果主要揭示了构造作用和保存条件对富有机质页岩微纳米孔隙发育演化的控制作用，探讨了不同孔隙结构背景下页岩储层压裂改造效果。
Neuroscientists explore the risky business of self-preservation（图）
Neuroscientists risky business self-preservation
2017/9/20
A critical survival decision for all animals is when, where and how to escape from a looming threat. A Northwestern University research team using multi-neuron imaging has learned that the escape resp...
DIGITAL TECHNOLOGY IN PRESERVATION OF BUDDIST MONASTERY TREASURES
Education Digital Documentation International Heritage Preservation Earthquake Risk Assessment Buddhist Monastery Preservation
2017/8/31
Treasure Caretaker Training (Digital Monastery Project), teaches Buddhist monks, nuns and community cultural caretakers to protect and preserve their own monastery sacred art treasures. Participants l...
THE ACQUISITION, PRODUCTION AND DISSEMINATION OF GEOSPATIAL DATA FOR EMERGENCY MANAGEMENT AND PRESERVATION OF CULTURAL HERITAGE
Geospatial data Emergency management Preservation of Cultural Heritage Data-sharing
2017/6/20
The crisis management of a disaster, whether caused naturally or by human action, requires a thorough knowledge of the territory involved, with regard to both its terrain and its developed areas.
The...
Continental-Margin Seismic Stratigraphy: Assessing the Preservation Potential of Heterogeneous Geologic Processes Operating on Continental Shelves and Slopes
Continental-Margin Seismic Stratigraphy Preservation Potential
2015/8/13
The STRATAFORM research program (Nittrouer and Kravitz, 1995) consists of three interrelated areas of multidisciplinary research (Nittrouer and Kravitz, 1996, this issue). The "stratigraphic sequences...
LONG-TERM PRESERVATION OF 3-D CULTURAL HERITAGE DATA RELATED TO ARCHITECTURAL SITES
3-D Cultural Heritage Indexing Visualisation and Long-term Preservation
2015/8/7
With the recent developments in three-dimensional (3-D) scanner technologies and photogrammetric techniques, it is now possible
to acquire and create accurate models of historical and archaeological...
A Perfect Storm:Formation and Potential for Preservation of Storm Beds on the Continental Shelf
Perfect Storm Formation and Potential Storm Beds Continental Shelf
2015/8/5
Consider a coastal storm that mobilizes and transports enough sediment on the continental shelf to produce a distinctive deposit in the seabed that escapes significant reworking before it is buried by...
HYDROLOGICAL CHARACTERIZATION OF THE USUMACINTA RIVER BASIN TOWARDS THE PRESERVATION OF ENVIRONMENTAL SERVICES
SSEb kriging Modis Landsat SIG integration
2015/5/7
The Usumacinta basin is characterized by aboundance of natural and scenic resources. It also houses a vast biodiversity (wich also means invaluable genetic resources). Its river is the longest in Mex...
Solid phase phosphorus species and preservation of fish remains in marine sediments of areas of high primary productivity and oxygen seasonality (36°S, central South Chile)
fish debris biogenic apatite seasonal coastal upwelling hypoxia central-south Chile
2017/4/10
The main input of phosphorus to the ocean is associated with river runoff, while this element leaves the marine system
via burial in the sediments. Solid phase P accumulation is a function of bottom ...
CNMNC guidelines for the use of suffixes and prefixes in mineral nomenclature, and for the preservation of historical names
IMA-CNMNC new guidelines, prefixes suffixes mineral nomenclature historical mineral names
2013/12/6
New CNMNC guidelines are established, in order to standardize the use of prefixes and suffixes in mineral nomenclature,and to preserve historical names. The recommendations for the use of suffixes are...
The 2010 Korean soil preservation act: Will stabilization techniques still be feasible?
Korean MoE solidification/stabilization (S/S) total extraction aqua regia residual phase
2017/4/11
Korean Ministry of Environment (MoE) has implicated regulations to determine if the levels of environmental contaminants
exceed regulations levels. The Korean MoE adopted a partial extraction method ...
Evaluating the character and preservation of DNA within allophane clusters (microaggregates) in buried soils on Holocene tephras, northern New Zealand
Evaluating character preservation DNA allophane clusters (microaggregates) buried soils Holocene tephras
2012/3/30
Clay minerals possess sorptive capacities for organic and inorganic matter, including DNA (Lorenz and Wackernagel, 1994), and hence reduce the utilization and degradation of organic matter or DNA by m...
The role of mineral surfaces in the preservation and transformation of organic carbon: meso- to nano– scale spatial complexity of organic matter forms in organic-rich shales
mineral surfaces preservation transformation organic carbon meso- to nano– scale spatial complexity organic matter forms organic-rich shales
2012/3/30
Sequestration of organic matter (OM) in sediments is a fundamental biogeochemical process that regulates planetary temperature, the flux of free oxygen to the atmosphere and oceans, and the distributi...
A note on insufficiency and the preservation of Fisher information
Fisher information Hellinger differentiability of probability models differentiability in quadratic mean score function
2011/9/15
Abstract: Kagan and Shepp (2005, Amer. Statist.) presented an elegant example of a mixture model for which an insufficient statistic preserves Fisher information. This note uses the regularity propert...