Keywords: قبل از تمرکز; Pre-concentration; High voltage pulses; Energy transfer efficiency; Mechanical crushing;
مقالات ISI قبل از تمرکز (ترجمه نشده)
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Keywords: قبل از تمرکز; Stone coal; Vanadium; Pre-concentration; Reducing roast; Magnetic separation;
Keywords: قبل از تمرکز; High voltage pulse; Selective fragmentation; Sensitivity Index; Resampling; Pre-concentration;
Keywords: قبل از تمرکز; Capillary electrophoretic methods; Preparative IEF; Purification; Pre-concentration; Separation; Kayvirus; Staphylococcus aureus; MALDI-TOF MS;
Keywords: قبل از تمرکز; Water-rock interaction; Pre-concentration; Halite; Carnallite; Sylvite;
Potentiometric perchlorate determination at nanomolar concentrations in vegetables
Keywords: قبل از تمرکز; Perchlorate; Pre-concentration; Vegetable samples; Potentiometric sensor; Continuous flow-system;
Keywords: قبل از تمرکز; Selective comminution; Quantitative microstructural analysis; Impact comminution; Pre-concentration; lead, zinc, ore;
Development of dispersive micro-solid phase extraction based on micro and nano sorbents
Keywords: قبل از تمرکز; Dispersive micro-solid phase extraction; Pre-concentration; Sorbent; Nano-material; Magnetic nanocomposites;
Keywords: قبل از تمرکز; Ion imprinted polymer; Fe(III); Pre-concentration; Food samples
Keywords: قبل از تمرکز; Cobalt chloride; Air analysis; Pre-concentration; Sorbents; Surface-layer polytetrafluoroethylene (PTFE); Volatile organic compounds;
Keywords: قبل از تمرکز; Levoglucosan; Field sampling; Pre-concentration; Compact GC;
Keywords: قبل از تمرکز; Ore upgrading; Pre-concentration; High voltage pulses; Electrical comminution
Keywords: قبل از تمرکز; Flow analysis; Cloud point extraction; Multi-pumping flow system; Spectrophotometry; Pre-concentration; Iron
Keywords: قبل از تمرکز; vanadium; stone coal; flotation; pre-concentration;
Keywords: قبل از تمرکز; loose-stratification model; pre-concentration; stone coal; separation process;
Keywords: قبل از تمرکز; Inorganic arsenic speciation; Ion exchange column; Stabilization method; Pre-concentration; Adsorption
Feasibility of measuring Cr(III) and Cr(VI) in water by laser-induced breakdown spectroscopy using ceramics as the solid support
Keywords: قبل از تمرکز; Ceramics; Pre-concentration; Atomic emission; Water; Chromium; Speciation analysis;
Multi-element detection in sea water using preconcentration procedure and EDXRF technique
Keywords: قبل از تمرکز; EDXRF; Pre-concentration; Trace elements; Sea water;
Synthesis of the 3D AgNF/AgNP arrays for the paper-based surface enhancement Raman scattering application
Keywords: قبل از تمرکز; Paper-based SERS sensor; Silver nanoflowers; Defect-guided growth; Pre-concentration;
Ultrasensitive magnetic ELISA of zearalenone with pre-concentration and chemiluminescent detection
Keywords: قبل از تمرکز; Zearalenone; ELISA; Magnetic nanoparticles; Pre-concentration; Chemiluminescent peroxidase reaction;
Recent developments and applications of different sorbents for SPE and SPME from biological samples
Keywords: قبل از تمرکز; Solid phase extraction; Solid phase microextraction; Biological samples; Pre-concentration;
A mineralogical investigation into the pre-concentration of the Nechalacho deposit by gravity separation
Keywords: قبل از تمرکز; Rare earth elements; Zircon; Gravity concentration; QEMSCAN; Pre-concentration;
Pre-concentration of Zn(II) ions from aqueous solutions using meso-porous pyridine-enrobed magnetite nanostructures
Keywords: قبل از تمرکز; Pre-concentration; Zn(II); Magnetic meso-porous silica; Prototype; Atomic absorption spectrometry;
Nanopowder synthesis of novel Sn(II)-imprinted poly(dimethyl vinylphosphonate) by ultrasound-assisted technique: Adsorption and pre-concentration of Sn(II) from aqueous media and real samples
Keywords: قبل از تمرکز; Sn(II)-imprinted polymer; Poly(dimethyl vinylphosphonate); Adsorption; Sn(II); Pre-concentration;
Determination of ultra-trace Pt, Pd and Rh in seawater using an off-line pre-concentration method and inductively coupled plasma mass spectrometry
Keywords: قبل از تمرکز; Platinum group elements; Seawater; ICP-MS; Pre-concentration; Chelating resin;
On the potential of ion mobility spectrometry coupled to GC pre-separation - A tutorial
Keywords: قبل از تمرکز; Ion mobility spectrometry; Pre-separation; Pre-concentration; Ionisation; Sampling; Application;
Quantification of 226Ra at environmental relevant levels in natural waters by ICP-MS: Optimization, validation and limitations of an extraction and preconcentration approach
Keywords: قبل از تمرکز; ICP-MS; Radium; Radionuclide; Trace analysis; Environmental samples; Pre-concentration;
Inkjet-printed Ag micro-/nanostructure clusters on Cu substrates for in-situ pre-concentration and surface-enhanced Raman scattering
Keywords: قبل از تمرکز; Inkjet printing; Pre-concentration; Wettability; Surface-enhanced Raman scattering (SERS); Analyte detection;
A sensitive method for the determination of Sulfonamides in seawater samples by Solid Phase Extraction and UV-Visible spectrophotometry
Keywords: قبل از تمرکز; Sulfonamides; Spectrophotometric method; Drug analysis; Seawater; Solid phase extraction; Pre-concentration;
Ultrasensitive determination of inorganic arsenic by hydride generation-atomic fluorescence spectrometry using Fe3O4@ZIF-8 nanoparticles for preconcentration
Keywords: قبل از تمرکز; Fe3O4@ZIF-8; Arsenic; Pre-concentration; Hydride generation (HG); Atomic fluorescence spectrometer (AFS);
Determination of multi-element concentrations at ultra-low levels in alternating magnetite and pyrite by HR-ICP-MS using matrix removal and preconcentration
Keywords: قبل از تمرکز; Multi- element analysis; Pre-concentration; Magnetite; Pyrite; ICP-MS
Original research articlePhenolics and abscisic acid identified in acacia honey comparing different SPE cartridges coupled with HPLC-PDA
Keywords: قبل از تمرکز; SPE; solid phase extraction; RP; reversed phase; RP-AE; reversed phase & anion-exchange; HPLC-PDA; high performance liquid chromatography with photo-diode array detection; Robinia pseudoacacia L.; Honey; Phenolics; Abscisic acid; Pre-concentration; Revers
Latitudinal variation and residence time of 137Cs in Indian coastal environment
Keywords: قبل از تمرکز; 137Cs activity concentration; Pre-concentration; Coastal surface water; Effective half-life;
Preparation of 4-butylaniline-bonded attapulgite for pre-concentration of bisphenol A in trace quantity
Keywords: قبل از تمرکز; Attapulgite; 4-Butylaniline; Ring-opening reaction; Synchronous hydrolysis; Bisphenol A; Pre-concentration
Pre-concentration of chloride in dilute water-samples for precise δ37Cl determination using a strong ion-exchange resin: Application to rainwaters
Keywords: قبل از تمرکز; Chlorine stable isotopes; Ion-exchange; Pre-concentration; Rainwater analysis
Compositional surface-layered sorbents for pre-concentration of organic substances in the air analysis
Keywords: قبل از تمرکز; Sorbents; Surface-layer polytetrafluoroethylene (PTFE); Activated carbon; Pre-concentration; Volatile organic compounds; Air analysis; Gas chromatography;
Improvement in the sensitivity of microfluidic ELISA through field amplified stacking of the enzyme reaction product
Keywords: قبل از تمرکز; Enzyme-linked immunosorbent assay; Field amplified stacking; Microfluidic; Pre-concentration; TNF-α
An assessment of the applicability of the use of a plasticised PVC membrane containing pyrochatecol violet complexing reagent for the determination of Cu2Â + ions in aqueous solutions by LIBS
Keywords: قبل از تمرکز; LIBS; PVC membrane; Cu2Â + ions; Liquid-solid extraction; Pre-concentration;
Incorporation of dithiooxamide as a complexing agent into cellulose for the removal and pre-concentration of Cu(II) and Cd(II) ions from natural water samples
Keywords: قبل از تمرکز; Modified cellulose; Pre-concentration; Natural water; Purification; Metal ions;
Potential pre-concentration methods for Nannochloropsis gaditana and a comparative study of pre-concentrated sample properties
Keywords: قبل از تمرکز; A; OD750 (optical density at 750Â nm) of sample; AFDW; ash-free dry weight; AS; aluminium sulphate; B; OD750 of initial culture; C; algae culture; C; OD750 of reference blanks; Ca; calcium; CF; concentration factor; Df; mean diameter of floc; FC; filtered
Pre-concentration of vanadium from stone coal by gravity separation
Keywords: قبل از تمرکز; Pre-concentration; Mineralogical study; Vanadium; Stone coal; Gravity separation
Species selective preconcentration and quantification of gold nanoparticles using cloud point extraction and electrothermal atomic absorption spectrometry
Keywords: قبل از تمرکز; Gold nanoparticles; Cloud point extraction; Pre-concentration; Species analysis; Waste water; Natural waters
Assessment of ability to detect low concentration analyte with near-infrared spectroscopy based on pre-concentration technique
Keywords: قبل از تمرکز; Near-infrared diffuse reflectance spectroscopy (DR-NIRS); Pre-concentration; Detection limit; Adsorption isotherm; Multivariate calibration; Quantitative determination
Determination of isotopic composition of dissolved copper in seawater by multi-collector inductively coupled plasma mass spectrometry after pre-concentration using an ethylenediaminetriacetic acid chelating resin
Keywords: قبل از تمرکز; Copper isotope; Seawater; Chelating resin extraction; Multi-collector inductively coupled plasma mass spectrometry; GEOTRACES; Pre-concentration
Pre-concentration of trace elements in short chain alcohols using different commercial cation exchange resins prior to inductively coupled plasma-optical emission spectrometric detection
Keywords: قبل از تمرکز; Cation exchange resins; Trace metals; Separation; Pre-concentration; Alcohols; Dowex 50W-x8;
Novel applications of molecularly-imprinted polymers in sample preparation
Keywords: قبل از تمرکز; Adsorbent; Magnetic bead; Microextraction; Molecularly-imprinted polymer (MIP); Pre-concentration; Sample preparation; Selectivity; Solid-phase extraction (SPE); Solid-phase microextraction (SPME); Stir-bar sorptive extraction (SBSE)
Analysis of rare earth elements in seawater by inductively coupled plasma mass spectrometry after pre-concentration using TSKâ¢-HD-MW-CNTs (highly dispersive multi-walled carbon nanotubes)
Keywords: قبل از تمرکز; Rare earth elements; Seawater; Multi-walled carbon nanotube; ICP/MS; Pre-concentration;
Solid phase extraction with flame atomic absorption spectrometry for determination of traces of Ca, K, Mg and Na in quality control of white sugar
Keywords: قبل از تمرکز; Ca; K; Mg; Na; White sugar; Direct analysis; Pre-concentration; Flame atomic absorption spectrometry
Pre-concentration and in situ electrochemical sensing of 1-hydroxypyrene on an electrodeposited poly(3-methylthiophene) film modified electrode
Keywords: قبل از تمرکز; Poly(3-methylthiophene); Electropolymerization; Pre-concentration; Electrochemical sensor; 1-Hydroxypyrene
Development of a dispersive liquid–liquid microextraction method for the determination of fluoroquinolones in chicken liver by high performance liquid chromatography
Keywords: قبل از تمرکز; Fluoroquinolones; Dispersive liquid–liquid microextraction; Biological sample; Sample pretreatment; Pre-concentration