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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Nonsplitting of the Hilbert Exact Sequence and the Principal Chebotarev Density Theorem
希尔伯特精确序列 主切 博塔列夫密度定理 非分裂
2023/4/18
Let $K/k$ be a finite Galois extension of number fields, and let $H_K$ be the Hilbert class field of $K$. We find a way to verify the nonsplitting of the short exact sequence
Sequence Stratigraphy and Rudist Facies Development of the Upper Barremian-Lower Cenomanian Platform, Northern Sinai, Egypt
Cretaceous sequence stratigraphy rudists Sinai Egypt
2018/4/10
The Lower Cretaceous sections in northern Sinai are composed of the Risan Aneiza (upper Barremian-middle Albian) and the Halal (middle Albian-lower Cenomanian) formations. The facies reflect subtle pa...
Sedimentology and Sequence Stratigraphy of Marine to Lacustrine Deltaic Deposits in a Craton Basin and Their Controlling Factors: Shan 2 Member–He 8 Member (Guadalupian–Lopingian, Permian), Southeast Ordos Basin, North China
sequence stratigraphy sedimentary sequence delta marine to lacustrine evolution Roadian–Wuchiapingian Ordos Basin
2018/4/10
The Shan 2 Member, Shan 1 Member and He 8 Member of the Mid–Late Permian Shanxi and lower Xiashihezi formations, in the southeastern Ordos Basin, together comprise ~150 m of deltaic deposits. This seq...
Scientists Discover a Way to Sequence DNA of Rare Animals
Scientists Sequence DNA Rare Animals
2017/2/16
Rare and extinct animals are preserved in jars of alcohol in natural history museum collections around the world, which provide a wealth of information on the changing biodiversity of the planet. Thes...
INDOOR MOBILE POSITIONING BASED ON LIDAR DATA AND CODED SEQUENCE PATTERN
LiDAR Coded Sequence Pattern Mobile Positioning SLAM algorithm POSIT algorithm
2016/10/14
This paper proposed a coded sequence pattern for automatic matching of LiDAR point data, the methods including SIFT features, Otsu segmentation and Fast Hough transformation for the identification, po...
Spatially localized generation of nucleotide sequence-specific DNA damage
sperm chemotaxis fertilization TPX-1 AEG CRISP
2016/5/23
Psoralens linked to triplex-forming oligonucleotides (psoTFOs) have been used in conjunction with laser-induced two-photon excitation (TPE) to damage a specific DNA target sequence. To demonstrate tha...
Multi-nuclear NMR Studies of DNA Hairpins:2.Sequence-Dependent Structural Variations
GERMANIUM DETERMINATION HYDRIDE GENERATION INDUCTIVELY COUPLED PLASMA EMISSION SPECTROMETRY MEDICINAL PLANT
2016/5/20
The solution conformation of three related DNA hairpins, each with five bases in the loop, is investigated by proton and phosphorus 2D NMR methods. The sequences of the three oligomers are d(CGCGTTGTT...
Haplogroup Classification of Korean Cattle Breeds Based on Sequence Variations of mtDNA Control Region
Haplogroup mtDNA Control Region Korean Cattle Breed Phylogenetic Tree
2016/5/20
Many studies have reported the frequency and distribution of haplogroups among various cattle breeds for verification of their origins and genetic diversity. In this study, 318 complete sequences of t...
Researchers Sequence Bedbug Genome,Find Unique Features
Researchers Sequence Bedbug Genome Unique Features
2016/2/23
The bed bug, Cimex lectularius, has re-established itself as a ubiquitous human ectoparasite throughout much of the world during the past two decades. This global resurgence is likely linked to increa...
Integrative approaches for microRNA target prediction: combining sequence information and the paired mRNA and miRNA expression profiles
miRNA target prediction expression profile integrative analysis
2016/1/25
Gene regulation is a key factor in gaining a full understanding of molecular biology. microRNA (miRNA), a novel class of non-coding RNA, has recently been found to be one crucial class of post-transac...
Positive Selection and Sequence Rearrangements Generate Extensive Polymorphism in the Gamete Recognition Protein Bindin
Positive Selection Sequence Rearrangements
2015/12/17
Bindin is a gamete recognition protein of sea urchins that mediates species-specific attachment of sperm to an eggsurface receptor during fertilization. Sequences of bindin from closely related urchin...
Stress tensor inversion in Western Greece using earthquake focal mechanisms from the Kozani-Grevena 1995 seismic sequence
stress distributions inversion fault plane solutions Greece
2015/10/8
Stress tensor inversion has been applied to estimate principal stress axes orientations in Western Greece, from 178 earthquake fault plane solutions from the Kozani-Grevena May 13, 1995 sequence. All ...
In search of evidence of deep fluid discharges and pore pressure evolution in the crust to explain the seismicity style of the Umbria-Marche 1997-1998 seismic sequence (Central Italy)
fluid geochemistry/seismicity porepressure field Umbria-Marche 1997-1998 seismic sequence
2015/9/30
Starting soon after the first main-shocks of the long seismic sequence which has occurred along the Umbria-Marche boundary since September 1997, fluid geochemistry surveying was accomplished (around 2...
A comparative study of a stochastic and deterministic simulation of strong ground motion applied to the Kozani-Grevena (NW Greece) 1995 sequence
simulation ground motion earthquake EGF-Kozani
2015/9/30
We present the results of a comparative study of two intrinsically different methodologies, a stochastic one and a deterministic one, performed to simulate strong ground motion in the Kozani area (NW ...
Scientific overview and historical context of the 1811-1812 New Madrid earthquake sequence
New Madrid earthquakes intraplate historic
2015/9/14
The central and eastern United States has experienced only 5 historic earthquakes with Mw 7.0, four during the New Madrid sequence of 1811-1812: three principal mainshocks and the so-called 玠awn after...