centers相关论文
目的 探讨中国社区老年人心血管疾病危险因素和衰弱的关系.方法 采用便利抽样法,调查甘肃省兰州市458名65岁及以上的社区老年人.评......
This year marks the 20th anniversary of the establishment of the Shanghai Cooperation Organization(SCO).In a relatively ......
The China University of Petroleum(East China)has introduced the metal atoms into the mordenite zeolite framework by mean......
Cross-Sectional Study of Tuberculosis and HIV/AIDS Co-Infections among Patients Attending Directly O
<b><span style=“font-family:Verdana;”>Introduction:</span></b><span> <i></i></span><i><i><span style=“font-family:Ver......
Cadres with Tongzi Women\s Federation recently arranged for doctors,affiliated with maternal and children\s hospitals ......
Complexation of the planar multidentate ligand 3,5-bis-(2-hydroxyphenyl)pyrazole (H3L) with manganese chloride leads to ......
The Beijing-Shanghai High-Speed Railway will be an important transportation link between the country’s two major econom......
BGP is a leading geophysical contractor,providing geophysical services to its clients worldwide.BGP now has 51 branches ......
Synthesis of visible-light-driven TiO_2 yolk-shell spheres with {001} facets dominated mesoporous sh
Anatase phase visible-light-driven TiO_2 yolk-shell spheres with the size of ca.1-2μm have been synthesized with the co......
Effects of metal oxide in ZSM-5 zeolite on its catalytic performance in fluid catalytic cracking reaction were studied v......
Rare π_5~6…Pb Interactions in a Two-dimensional Metal-organic Coordination Polymer with Two Distinct
A new metal-organic coordination polymer [Pb(mfpdc)(CH3OH)]n (1, mfpdc=2,6-dimethyl-4-(2-furanyl) pyridine-3,5-dicarboxy......
One-dimensional lanthanide complexes bridged by nitronyl nitroxide radical ligands with non-chelatin
A series of new lanthanide-radical complexes [{Ln(hfac)3}2(NITPhIM)2] (Ln = Nd (1), Eu (2), Tb (3), Er (4); hfac = hexaf......
We have grown triply doped Mg:Fe:Mn:LiTaO3 crystals with near stoichiometry using the top seeded solution growth techniq......
Structure and magnetic property of bimetallic hexanuclear cluster based on 5-chlorosalicylaldehyde o
The bimetallic hexanuclear cluster[Mn_4Ni_2O_2(Cl-Sao)_6(CH_3OH)_8]10CH_3OH(1) was synthesized.Single-crystal X-ray anal......
Synthesis of hexacyclic fused isocoumarin framework through selective domino multicyclizations under
A novel fused isocoumarin skeleton has been synthesized through selective domino multicyclizations by mixing homothallic......
An easy route to exotic 9-epimers of 9-amino-(9-deoxy) cinchona alkaloids with(8S,9R) and(8R,9S)-con
Four exotic chiral organocatalysts,9-amino-(9-deoxy) cinchona alkaloids with(8S,9R) and(8R,9S)-configurations,were conve......
A two-dimensional Cd(II) coordination polymer, [Cd(dtb)]n (dtb=5,5-dithiobis(2- nitrobenzoic acid), has been solvotherma......
A novel three-dimensional Zn(Ⅱ) coordination polymer, Zn3(C2H2N3)4(SiF6), has been synthesized under solvothermal condi......
Chiral electron deficient ruthenium helical coordination polymer as a catalyst for the epoxidation o
An air and moisture stable ruthenium(Ⅲ) formate complex[Ru(HCO_2)Cl_2]_n has been synthesized and examined in the epoxi......
Copper-doped Zn S(Zn S:Cu) nanocrystals are synthesized by the sol–gel method.The average size of the Zn S:Cu nanocryst......
COPOLYMERIZATION OF ETHYLENE AND 1-HEXENE WITH TiCl_4/MgCl_2 CATALYSTS MODIFIED BY 2,6-DIISOPROPYLPH
A supported TiCl4/MgCl2 catalyst without internal electron donor (O-cat) was prepared firstly. Then it was modified by 2......
The selenium derivatization of nucleic acids and nucleic acid-protein complexes has provided a powerful tool to solve ph......
PROBING THE ROLES OF DIETHYLALUMINUM CHLORIDE IN PROPYLENE POLYMERIZATION WITH MgCl_2-SUPPORTED ZIEG
In this article, the effect of diethylaluminum chloride (DEAC) in propylene polymerization with MgCl2-supported Ziegler-......
Hydrothermal reactions of uranyl nitrate and 4,4’-oxidiphthalic acid(H_4L) resulted in the formation of three new urany......
Solvothermal Synthesis, Crystal Structure and Photoluminescence Property of a 3D Lead(Ⅱ) Coordinatio
Solvothermal reaction of Pb(NO_3)_2·6H_2O with rigid linear ligand terephthalic acid(H_2pta) in N,N-dimethylformamide(D......
The synthesis of two isomers of Aprepitant(APT)and three isomers of Fosaprepitant(FPT),crucial components for quality co......
The ultraviolet(UV) band edge photorefractivity of LiNbO_3:Zr at 325 nm has been investigated. The experimental results ......
Efficient production of biodiesel from both esterification and transesterification over supported SO
SO2-4–Mo O3–Zr O2–Nd2O3/Si O2(SMZN/Si O2) catalysts for the production of biodiesel via both esterification and trans......
In recent years, more and more people spare no pains to join in the body-building group. People begin to take part in va......
Prevalence of isolated systolic hypertension and analysis on its relative factors in 1002 cases over
Nowadays,despite the high prevalence ofhypertension,the awareness rate and controlrate of this disease are still very l......
Withtheworld-widerevolutioninhightechnologyandtheadjustmentandupgradingoftheindustrialstructurethathasoccurredsincethebe......
SYNTHESES AND STRUCTURAL STUDIES OF Mo-Fe-S-CLUSTER COMPOUNDS Ⅶ.SPECTROSCOPIC STUDY OF THE [MoFe_3S_
INTRODUCTION. In the study of nitrogenases, scientists have proposed many models for the active center of MoFe protein ......
Preparation,Crystal Structure and Properties of a Pentametallic 3-Ferrocenyl-2-crotonic acid-Bridged
The synthesis and characterization of the copper(II) complex [Cu_2(OOCCH=C(CH_3)Fc)_3(phen)_2]ClO_4·2H_2O (1) are rep......
Intensities and spectral features of the ~4I_(13/2)-~4I_(15/2) potential laser transition of Er~(3+)
A CaF_2-CeF_3 disordered crystal containing 1.06% of Er~(3+) ions was grown by the temperature gradient technique.Optica......
A THEORETICAL STUDY OF THE APPLICATION OF TIME-RESOLVED X-RAY SCATTERING TO SOLID STATE REACTION KIN
THE purpose of this paper is to develop a theory of time-resolvedX-ray diffraction that can be used to probe solid stat......
In China, residents in metropolitan centers such as Beijing and Shanghai, just like their counterparts in New York City ......
The EXAFS and IR characterization of Rh particles derived from NaY-zeolite entrapped Rh_6(CO)_(16)in
Metal clusters made of neighbouring metal centers with unique structures and stabilizedon a support may provide well-de......
[Er(u-Met)(u-Gly)(H2O)4]2[Er(u-Met)2(HaO)4]2(ClO4)12(NMet=CH3S-(CH2)2CH(NH2)COOH,Gly=NH2CH2COOH), Mr=3194, trilinic, sp......
Construction of an evaluation system for the service capabilities of government to business (G2B) we
On the basis of analyzing both domestic and foreign evaluation systems for the e-government and also taking into account......
Artesunate, C19H28O8, is orthorhombic and crystallizes in the space group D24 -P212121 with a = 18.781(4), b = 10.528(5......
A STUDY ON CONFIGURATION-ACTIVITY RELATIONSHIP OF DIAMMINEDICHLOROPLATINUM (Ⅱ) BY THE PSEUDOPOTENTIA
We investigated the cis- and trans-isomers of Pt(NH_3)_2Cl_2 and [Pt(NH_3)_2]~(2+) using a quantum chemical non-empiric......
The deoiled asphalt as the carbon source and the ferrocene as the metal source and the catalyst precursor were chosen to......
Dear Sir,We write to report on the clinical manifestations and outcomes of ocular sarcoidosis in patients presenting to ......
Objective To investigate the efficacy and safety of mycophenolate mofetil(MMF)in the treatment of connective tissue dise......
WHEN China opens its doors to the outside world, fresh air comes in. So do flies. While drug addicts were unknown in Chi......
Objective To verify the safety and efficacy of the domestic 3D cardiac electrophysiological mapping system for catheter ......
The architectural patterns of sedimentary succession are diverse in different depositionalbasins. The sedimentary archit......
Study on internal quantum efficiency of blue InGaN multiple-quantum-well with an InGaN underneath la
Blue InGaN multiple-quantum-well (MQW) samples with different InxGa1-xN (x=0.01–0.04) underneath layers (ULs) were grow......
Alumina aerogels with high porosity of nanometer size were prepared from Al, n-butanol and ethyl acetoacetate by the sol......
On January 16th,BASF reinforced its com-mitment to its care chemicals customers in China and Asia by inaugurating three......
