quaternary相关论文
Neotectonics of the eastern margin of the Tibetan Plateau: new evidences for the change from Early P
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Since the Quaternary,many lakes have been present in the Qinghai-Tibetan Plateau.As peculiar geological processes in the......
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We report the superconductivity of a new quaternary compound ThMo2Si2C, synthesized with the arc-melting technique. The ......
A record of deglaciation-related shifting of the proximal zone of a sandur--a case study from the Gw
The study analyses a 7.5-m-thick sedimentary succession deposited in the largest sandur(the Gwda sandur, a glacial outwa......
An unprecedented palladium-catalyzed asymmetric carbamoyl-carbonylation of tethered alkenes with CO and alcohols has bee......
Synthesis and Characterization of a New Quaternary Selenide Ba_(4)Sn_(3)GeSe_(9)Containing[SnGeSe_(5
A new quaternary selenide Ba4Sn3GeSe9 was synthesized by high temperature solid state reaction method and fully characte......
Haloplumbate Nanochains Templated by Quaternary Phosphorus:Good Water Stabilities,Thermochromic Lumi
Two triphenylmethylphosphonium/haloplumbate hybrids,i.e.,[(PPh3Me)2(Pb2I6)∙CH3CN]n(1)and[(PPh3Me)(PbBr3)]n(2),have been......
Quartz grain surface microtextural evidence for provenance of the Quaternary aggradation red earth d
The Quaternary aggradation red earth(QARE)deposit in the middle reaches of the Yangtze River(MRYR)in southern China prov......
Heavily populated by Beijing and Tianjin cities,Bohai basin is a seismically active Cenozoic basin suffering from huge l......
The distribution,optically stimulated luminescence dating and granulometric properties suggest that the loess on the nor......
The various types of granite landforms in the Huangshan Mt. are distributed in a concentric pattern. The remaining parts......
Magnetic susceptibility (MS) is one of the most important indicators of the East- Asia summer monsoon. Presented in this......
An evaluation of deep thin coal seams and water-bearing/resisting layers in the quaternary system us
Non-liner wave equation inversion,wavelet analysis and artificial neural networks were used to obtain stratum parameters......
Numerous paleosols have been described in the Quaternary as well as a fewpaleosols in pre-Quaternary rocks of South Amer......
<正> Of the various factors responsible for the formation of the world’s climate, radiation from the sun, which serves ......
FUSULINID-BEARING FORMATIONS AND FUSULINID FAUNA FROM DADUN COALFIELD OF PEIXIAN,NORTHERN JIANGSU PR
<正> In the Dadun coalfield of the Peixian distrier, Jiangsu Province, the coal-bearing strata are covered by the Quater......
Loess-Paleosol-Sequences in South Germany - Stratigraphy,Paleoclimate and Connections with River Ter
Loess-paleosol sequencesin South Germany were used to reconstruct the evolution ofthe paleoclimate and the chronology of......
A possible approach to assess the fine grain OSL dating is discussed through comparison of equivalent dose (DE) values a......
On the Upper Quaternary paleoecology of Eastern Tibet——Preliminary results of an expedition to the E
During a joint Chinese-German expedition through West Sichuan and the eastern half of Qinghai-Xizang Plateau, in the sum......
Some properties such as type, trace description, symmetrized weight enumerator, and generalizedHamming weights of the du......
Gold solvent extraction has been used to recover gold by analytical chemists for about one century. Due to the potentia......
Numerical simulation of dewatering thick unconsolidated aquifers for safety of underground coal mini
With an increase of mining the upper limits under unconsolidated aquifers, dewatering of the bottom aquifer of the Quate......
Primary Investigations on Yangtze River Bank Slope Stability in Wanzhou for the Three Gorges Reservo
This paper investigates the main factors contributing to bank slope failures, such as the structure of rock and soil, wa......
A series of bis-quaternary ammonium compounds(bis-QACs) N,N’-hevamethylenebis(1-alkyl-4-carbamoyl pyridinium bromide)(4......
In this paper,the nanometer-sized(200 nm)quaternary rare-earth complex Eu(BA)(TTA)2phen was successfully prepared by usi......
No.1A New scheme for Compr。henslve Phytical Reglonali。an。。Ch。a··,……………Zhao So。g-qtao(10)Studies on the Lazl......
(An abstract) The deluvial deposits of the quaternary period, which have been formed in a hot and rainy climate, are red......
Synthesis and Antibacterial Performance of Quaternary Phosphonium Salts with Reactive Hydroxyl Group
Quaternary phosphonium salts (QPS) with reactive groups used as antibacterial agents are promising which could be covale......
Objective To establish a new,rapid,and reliable reversed-phase ultra performance liquid chromatography (RP-UPLC)method f......
N口.1EZdUtlon Of HOIOcene Sedimentary Enolronment In the HangZbou刁laxing-Huzhou Phln.,… yan Q0rha。召 etd.(15)Modelof ......
A series of novel quaternary ammonium surfactants containing adamantane were designed and synthesized from 1-adamantanec......
Molybdenum is predominantly sorbed in anionic forms(MoO_4~(2-))by ion-pair formation with quaternary amines or protonate......
Direct synthesis of propylene carbonate from propylene and carbon dioxide catalyzed by quaternary am
In this paper,we have developed a highly efficient method for the direct preparation of propylene carbonate from propyle......
Milankovitch Theory shows that glacial-interglacial cycles in the Quaternary are related to the variation of solar insol......
Synthesis of Quaternary Phosphonium Salts with Ester Functional Group and Its Application to Improve
Both of quaternary ammonium and quaternary phosphonium salts of bis-hydroxyethyl terephthalate (BHET) were successfully ......
Asymmetric construction of all-carbon quaternary stereocenters in the total synthesis of natural pro
Structure units containing all-carbon quaternary stereogenic center are found in many bioactive natural products. Howeve......
One new quaternary rare-earth sulfide, FeSm_6Si_2S_(14), has been synthesized by a facile solid-state route with boron a......
Review of magnetic properties and magnetocaloric effect in the intermetallic compounds of rare earth
The magnetocaloric effect(MCE) in many rare earth(RE) based intermetallic compounds has been extensively investigated du......
Synthesis of cyclic carbonates from epoxides or olefins and CO_2 catalyzed by metal-organic framewor
Catalytic properties of the metal-organic framework Cr-MIL-101 in solvent-free cycloaddition of CO2to epoxides to produc......
A betaine-type styrene monomer with the quaternary ammonium-borate anion inner-salt pair was synthesized through the qua......
To investigate the relationships between structures and toxicities of 13 quaternary ammonium compounds(QACs) to Chlorell......
Synthesis,Structure,and Property of a Three-dimensional Channel Quaternary Compound:Cs_(0.75(6))Er_(
A new quaternary rare-earth sulfide,Cs0.75(6)Er4.43(5)In3.32(6)S12(1),is discovered by high temperature solid state reac......
In this study;the effect of the electron density over the Br atoms raising with increasing number of CH_2 group using th......
Construction of polycyclic spirooxindoles through [3+2] annulations of Morita–Baylis–Hillman carbona
A mild and efficient dearomatic [3+2] annulation reaction of 3-nitro-7-azaindoles and Morita Baylis Hillman carbonates f......
Formation of the Micro-Disseminated Strata-bound Gold Deposits, With Special Reference to Structural
Based on detailed geologic study, the important role of structuring in the formation of gold deposits in the area is dis......
Preface for the New Edition Wang Jiyang?1) Advances Study of China抯 Ultrahigh-Pressure Metamorphic Rocks in the Past 15......
Two red earth sections from the Chengdu Plain in Sichuan Province are dated using geomagnetic methods. The Brunhes/Matuy......
Late Quaternary normal faulting and its kinematic mechanism of eastern piedmont fault of the Haba-Yu
The regional geologic and geomorphic observations show that an active arcuate normal fault constitutes the main boundary......
Quaternary Volcanic Activities in Shandong Peninsula and Northern Parts of Jiangsu and Anhui Provinc
Quaternary volcanic rocks often coexist with loess,as observed in the same geologic sections inthe Shandong Peninsula a......
