搜索结果: 1-15 共查到“理学 factor”相关记录212条 . 查询时间(0.109 秒)
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Estimation of Common Factors for Microstructure Noise and Effcient Price in a High-frequency Dual Factor Model
高频双因子模型 微结构 噪声公因数 效率价格 估计
2023/4/17
We develop the Double Principal Component Analysis (DPCA) based on a dual factor structure for high-frequency intraday returns contaminated by microstructure noise. The dual factor structure allows a ...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Estimating Factor-Based Spot Volatility Matrices with Noisy and Asynchronous High-Frequency Data
噪声 异步高频 数据估算 因子 现货波动率 矩阵
2023/5/4
With noisy and asynchronous high-frequency data collected for an ultra-large number of assets, we estimate high-dimensional spot volatility matrices satisfying a low-rank plus sparse structure. A loca...
中国科学院天津工业生物技术研究所等在国际顶级化学学术期刊Chemical Reviews上发表关于B-factor的综述论文（图）
中国科学院天津工业生物技术研究所 化学 学术期刊 Chemical Reviews B-factor
2019/2/25
近日，中科院天津工业生物技术研究所孙周通研究员带领的酶分子工程与工业生物催化研究团队与Manfred T. Reetz教授及上海交大冯雁教授联合在国际顶级综述类期刊Chemical Reviews发表综述文章“Utility of B-Factors in Protein Science: Interpreting Rigidity, Flexibility, and Internal Motio...
SUPERPIXEL BASED FACTOR ANALYSIS AND TARGET TRANSFORMATION METHOD FOR MARTIAN MINERALS DETECTION
Superpixel Factor Analysis Target Transformation Minerals detection Mars
2018/5/15
The Factor analysis and target transformation (FATT) is an effective method to test for the presence of particular mineral on Martian surface. It has been used both in thermal infrared (Thermal Emissi...
INVENTORY, MAPPING, GEOMORPHIC CHARACTERIZATION, AND VALIDATION OF DEEP-SETATED LANDSLIDES USING SKY-VIEW FACTOR VISUALIZATION: NORTHERN, CENTRAL, AND SOUTHERN TAIWAN
Deep-seated landslide LiDAR DEMs Sky-view factor Landslide micro-topography interpretation Landslide susceptibility
2018/4/18
Extreme rainfall with long-term period plays a principal role in triggering deep-seated landslide around the mountainous area. A well-known typhoon Morakot, the most destructive event occurred in Augu...
INVENTORY, MAPPING, GEOMORPHIC CHARACTERIZATION, AND VALIDATION OF DEEP-SETATED LANDSLIDES USING SKY-VIEW FACTOR VISUALIZATION: NORTHERN, CENTRAL, AND SOUTHERN TAIWAN
Deep-seated landslide LiDAR DEMs Sky-view factor Landslide micro-topography interpretation Landslide susceptibility
2018/5/8
Extreme rainfall with long-term period plays a principal role in triggering deep-seated landslide around the mountainous area. A well-known typhoon Morakot, the most destructive event occurred in Augu...
Tissue Specific Splicing of Pre-mRNA Porcine Mitochondrial Transcription Factor A
pig mitochondrion mitochondrial biogenesis splicing forms expression
2018/3/5
Mitochondrial transcription factor A plays, due to its role in replication and transcription of the mitochondrial
DNA, an important role in mitochondrial biogenesis and regulation of its activity. In...
A fertilized human egg develops into multiple tissues, organs and about 200 distinct cell types. Each cell type has the same genes, but they are expressed differently during development and in mature ...
Association of dietary cholesterol and egg intakes with the risk of incident dementia or Alzheimer disease: the Kuopio Ischaemic Heart Disease Risk Factor Study
Alzheimer disease apolipoprotein E4 cholesterol cognitive function,
2018/11/12
Background: There is little information about the associations of intakes of cholesterol and eggs, a major source of dietary cholesterol, with the risk of cognitive decline in general populations or i...
The Effect of Large Magnetic Fields and the g-factor Difference On the Triplet Population in Photosynthetic Reaction Centers
Large Magnetic Fields g-factor Difference Triplet Population Photosynthetic Reaction Centers
2016/5/20
The tnplet population m reduced photosynthetic reaction cente rs IS found to Increase on application of large magnetic fields (1 S-14 hG) We conclude that the tnplet IS fo rmed by charge recombmatron ...
Polymorphism of Insulin-like Growth Factor Binding Protein-4 Gene in 17 Pig Breeds and Its Relationship with Growth Traits
IGFBP-4 Gene Performance Traits Swine PCR-SSCP
2016/4/26
Insulin-like growth factor binding protein-4 (IGFBP-4) is a member of the IGF super family, and regulates the action of IGFs. The polymorphism of porcine IGFBP-4 gene in 17 pig breeds (total n = 570) ...
Determination of relative Faraday cup efficiency factor using exponential law mass fractionation model for multiple collector thermal ionization mass spectrometry
Faraday cup efficiency TIMS Sr isotope exponential
2017/4/10
A new method for determining the relative Faraday cup efficiency (RFCE) for nine Faraday cups has been developed
using 86Sr, 87Sr, and 88Sr isotope signals, and the exponential mass fractionation law...
Role of Growth Differentiation Factor 9 and Bone Morphogenetic Protein 15 in Ovarian Function and Their Importance in Mammalian Female Fertility — A Review
Cumulus Cells Granulosa Cells Oocyte Maturation Follicular Development Reproductive Efficiency TGF-β Superfamily
2016/11/10
Growth factors play an important role during early ovarian development and folliculogenesis, since they regulate the migration of germ cells to the gonadal ridge. They also act on follicle recruitment...
Intraspecific Genetic Diversity in the Marine Shrimp Penaeus vannamei: Multiple Polymorphic Elongation Factor-1a Loci Revealed by Intron Sequencing
EPIC-PCR nuclear introns shrimp concerted evolution
2015/12/17
Intron sequences from the elongation factor-1a (EF1a) gene from the marine shrimp Penaeus
vannamei reveal extensive variation even among inbred populations of hatchery-raised shrimp. Among 44
indivi...
STABLE GROTHENDIECK POLYNOMIALS AND K-THEORETIC FACTOR SEQUENCES
STABLE GROTHENDIECK POLYNOMIALS K-THEORETIC FACTOR
2015/12/17
We formulate a nonrecursive combinatorial rule for the expansion
of the stable Grothendieck polynomials of [Fomin-Kirillov '94] in the basis of
stable Grothendieck polynomials for partitions. This g...