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A series of novel 7-amide substituted-4-androstene-3,17-dione derivatives(8αa “8αh or 8βa ”8βh) was synthesized fr......
The crystal growth, crystal defect, thermal properties and luminescence properties of Nd3+:Ca2.85Gd0.1(VO4)2 were invest......
The enhanced intensity and lengthened lifetime of 1.54 μm emission were observed for Er:LiNbO3 crystal codoped with Zn2......
Superhydrophobic surface was prepared on the zinc substrate by chemical solution method via immersing clean pure zinc su......
Investigation of the electronic structure and photoluminescence properties of Eu~(3+) in Sr_2 Mg_(1-
Undoped and Eu 3+-doped Sr 2 Mg 1-x Zn x Si 2 O 7 (0≤x≤1) powder crystals were obtained by conventional solid-state re......
Urea-bridged diferrocene derivatives N,N?-diferrocenylurea(1) and N,N?-dimethyl-N,N?-diferrocenylurea(2) were prepared a......
The title nickel complex Ⅰ and cobalt complex Ⅱ were obtained separately from the direct reaction of D-(+)-leucinol wi......
An efficient method to synthesize TNAD by the nitration of 1,4,5,8-tetraazabicyclo-[4,4,0]-decane wi
An experimental study was carried out on the direct nitration of 1,4,5,8-tetraaza-bicyclo-[4,4,0]-decane to synthesize 1......
ANALYSIS OF DEPOSITED PRODUCTS AND REANODIZED POROUS LUBRICATING FILM ON A1 AFTER(NH_4)_2MoS_4 SOLUT
Observation was carried out of the structure of sulphuric,oxalic or phosphoricfilm on Al after treatment of reanodizing......
Synthesis and spectroscopic properties of rare earth picrate complexes with a new dinaphthalenelamid
The new ligand N-benzyl-2-{2’-[(benzyl-ethyl-carbamoyl)-methoxy]-dinaphthalene-2-yloxy}-N-ethyl-acetamide(L) and its co......
The changes of the specific rotation and sign of optically active BINOL have been studied in polar/non polar solvents a......
The influence of medium on stability of coordination compounds I. The system Cu(SCN)~+-NaNO_3-C_2H_5
The stability constants of Cu(SCN)~+ in the titled system have been determined by spectro-photometric measurements at 2......
The dissociation constant of PAOx was determined spectro-photometrically in the presence or absence of surfactants. The......
A study of the efficacy of L-3,5-diiodotyrosine and inorganic iodine in iodine-deficiency Wistar rat
Objective To study the efficacy of L-3,5-diiodotyrosine(DIT)and inorganic iodine(KIO_3)in iodine-deficiency Wistar rats.......
A rapid and efficient method for the preparation of diaryl thiourea compounds was reported for the first time. Twelve d......
Surface-plasmon (SP) enhancement of amorphous-silicon-nitride (a-SiN x ) light emission with single-layer gold (Au) wave......
Uncooled In As Sb photoconductors were fabricated. The photoconductors were based on In As0.05Sb0.95 and In As0.09Sb0.91......
A statistical approach to fit Gaussian part of full-energy peaks from Si(PIN) and SDD X-ray spectrom
A new statistical fitting approach,named Statistical Distribution-Based Analytic(SDA)method,is proposed to fit single Ga......
Preparation and Characterization of Pb(Zr_(0.52)Ti_ (0.48))O_3 Ultrafine Powders by a Sol-gel Combin
A simple and rapid process for synthesizing lead zirconate titanate, Pb(Zr_ 0.52Ti_ 0.48)O_3 (PZT), ferroelectric powder......
How do temporal and spectral features matter in crop classifi cation in Heilongjiang Province,China?
How to fully use spectral and temporal information for efficient identification of crops becomes a crucial issue since e......
The 2-C,methylene group of 1-aroyl-1,2-dihydro-3H-naphtho[2,1-b]pyran-3-ones(2)have been showed to possess a superior r......
Objective To investigate the effects of mild insufficient iodine intake on thyroid function and autoantibodies in pregna......
Effects of nitrogen content on structure and electrical properties of nitrogen-doped fluorinated dia
Nitrogen-doped fluorinated diamond-like carbon(FN-DLC)films were prepared on single crystal silicon substrate by radio f......
Effects of Mg Incorporation on Microstructure and Optical Properties of ZnO Thin Films Prepared by S
Well-crystallized MgZnO alloy thin films with hexagonal wurtzite structure were fabricated by sol-gel method. With the b......
Al doped ZnO(AZO)films were deposited on glass,polyethylene naphthalate(PEN)and polyethylene terephthalate(PET) at room ......
CuInSe2 films were electrodeposited onto indium tin oxide(ITO) substrate in constant current mode using bell-like wave m......
Ab ini~io,tetraboron halogenide,muIti-center bonds,localized molecular orbitals 305N-Acetylguanine,acyclonucleoside,alky......
Mass spectrometry of cluster cations produced by laser ablation of metal-composite-oxides Y-M-Cu-O (
Three series of metal-oxide cluster cations were produced by pulsed-laser ablation of YBa2Cu3O7=x high-temperature supe......
New phosphorus- and selenium-containing heterocyclyes, 1,3,2,6-dioxaphosphaselena-cyclooctanes (la-1h), were synthesize......
ALONG with the development of various IR spectroscopic techniques, the feasibility of employ-ing IR spectroscopy to the......
The effect of Al3+, NH, Na+ on the Ti content in the preparation of Ti-ZSM-5 by the isomorphous substitution of ZSM-5 us......
An efficient and convenient method for the synthesis of acyl-diazenes is reported. Ten acyl-diazenes have been synthesi......
N-(1-Phenyl-3-methyl-4-benzal-pyrazolone-5)-furoic hydrazide (PMBP-FUH, C22H18N4O3, CCDC No: 188946) has been synthesize......
Fluorescence quenching processes of poly[2-methoxy-5-(2’ethyl-hexoxy)-p-phenylene vinylene] (MEH-PPV) in solution by el......
Four cyano-containing compounds, (1E,4,5,6)-4,5,6-trihydroxy-2-cyclohexen-1-ylideneacetonitrile (1), lithospermoside (2)......
Reaction of 2,3-Dihydro-1,5-benzothiazepines and Phenylacetyl Chloride in the Presence of Triethylam
2a,4-Disubstituted 2,2a,3,4-tetrahydro-2-phenyl-1H-azeto[2,1-d][1,5]benzothiazepin-1-ones, as well as 2-substi- tuted 2,......
Chemoselective Dehydrogenation of 3-[2-(3,4-Dihydro-1-naphthalenyl)ethyl]imidazolidine-2,4-diones: a
The synthesis of the title compounds starting with the chemoselective dehydrogenation of 3-[2-(3,4-dihydro-1-naphthaleny......
Synthesis, Spectroscopic Properties and Crystal Structures of Dibenzyltin(IV) Dithiobenzoate and Chl
Two dibenzyltin(IV) complexes with thiobenzoate ligand, (PhCH2)2Sn(SOCPh)2 (1) and (PhCH2)2Sn(Cl)SOCPh (2), have been sy......
The rare earth (RE=La, Y, Gd) salicylates were synthesized by the rheological phase reaction method. The complexes were ......
Nafion-Induced Metal-Metal Interactions in a Platinum(II) Terpyridyl Acetylide Complex:a Luminescent
The platinum(II) terpyridyl acetylide complex [Pt(terpy)(C≡CR)]ClO4 (terpy=2,2’∶6’2’’-terpyridine, R=CH2CH2CH3) (1......
The crystal of the title compound, 5-diazo-4-ethoxycarbonyl-3-methylthio pyrazole, has been prepared and determined by X......
Synthesis and Crystal Structure of an Inorganic- organic Hybrid [DMAPM]~+[CdI_3]~-: The First Exampl
A new inorganic-organic hybrid, [DMAPM]+[CdI3]- (DMAPM+ = p-dimethyla- mino-1-methyl-pyridinium), has been synthesized b......
Since the theory of generalized two-dimensional (2-D) correlation spectroscopy was proposed, it has been keenly concerne......
In the current work, chryosphanol (MHAQ) was isolated and purified from rheum, and the photosensitization activities we......
Syntheses of 2- or 6-Substituted Chromones and Chromone Ring-opening Reaction in Polyphosphoric Acid
In an attempt to find new antitumor agents,a novel class of chromone compounds with a benzimidazole or a benzoxazole rin......
The inhibition of ligninase by hydrogen peroxide in the presence of cationic surfactant CTAB was studied by kinetic spec......
The effect of Tb3+ ion on the Activity Index (RZ=A403/A275) of HRP was investigated by a combination of ultraviolet-visi......
A piezoelectric spectro- electrochemical study on the structural interconversion for poly(o-phenylen
The combination of reflectance UV-Vis spec- troelectrochemistry with electrochemical quartz crystal microbalance (EQCM) ......
