دانلود مقالات ISI درباره 13C + ترجمه فارسی

The use of 13C and 15N based isotopic techniques for assessing soil C and N changes under conservation agriculture

Keywords: Conservation agriculture; 13C; 15N; Soil organic matter; Tillage

دانلود رایگان متن کامل مقاله ISI 7 صفحه سال انتشار : 2015 سفارش ترجمه

Dynamic UltraFast 2D EXchange SpectroscopY (UF-EXSY) of hyperpolarized substrates

Keywords: Hyperpolarized; 13C; EXSY; Stimulated echo; 2D NMR; MCT4; Chemical exchange; Ultrafast;

دانلود رایگان متن کامل مقاله ISI 8 صفحه سال انتشار : 2015 سفارش ترجمه

Carbon and nitrogen stable isotopes of well-preserved Middle Pleistocene bone collagen from Schöningen (Germany) and their paleoecological implications

Keywords: Paleoecology; 13C; 15N; Collagen preservation; Large herbivorous mammals

دانلود رایگان متن کامل مقاله ISI 9 صفحه سال انتشار : 2015 سفارش ترجمه

From leaf to whole-plant water use efficiency (WUE) in complex canopies: Limitations of leaf WUE as a selection target

Keywords: Water use; Drought; Intrinsic water use efficiency; 13C; Instantaneous water use efficiency; Whole plant water use efficiency

دانلود رایگان متن کامل مقاله ISI 9 صفحه سال انتشار : 2015 سفارش ترجمه

REDOR solid-state NMR as a probe of the membrane locations of membrane-associated peptides and proteins

Keywords: δ; chemical shift; γ; buildup rate; τ; REDOR dephasing time; A; buildup extent; Chol; cholesterol; Chol_d6; cholesterol-2,2,3,4,4,6-d6; Chol_d7; cholesterol-25,26,26,26,27,27,27-d7; CP; cross-polarization; d; dipolar coupling; Fmoc; 9-fluorenylmethoxyc

دانلود رایگان متن کامل مقاله ISI 12 صفحه سال انتشار : 2015 سفارش ترجمه

Biological 12C–13C fractionation increases with increasing community-complexity in soil microcosms

Keywords: Isotope discrimination; Isotope fractionation; Food web; Species-richness; 13C; Soil

دانلود رایگان متن کامل مقاله ISI 5 صفحه سال انتشار : 2014 سفارش ترجمه

MITOCHONDRIA: Investigation of in vivo muscle mitochondrial function by 31P magnetic resonance spectroscopy

Keywords: 1H; proton; 13C; carbon-13; 31P; phosphorous; ADP; adenosine diphosphate; kPCr; phosphocreatine recovery rate constant; MRI; magnetic resonance imaging; MRS; magnetic resonance spectroscopy; PCr; phosphocreatine; Pi; inorganic phosphate; ST; saturation tr

دانلود رایگان متن کامل مقاله ISI 6 صفحه سال انتشار : 2014 سفارش ترجمه

Seasonal and snowmelt-driven changes in the water-extractable organic carbon dynamics in a cool-temperate Japanese forest soil, estimated using the bomb-14C tracer

Keywords: 14C; 13C; WEOC; Carbon dynamics; Snowmelt; Forest soil;

دانلود رایگان متن کامل مقاله ISI 6 صفحه سال انتشار : 2014 سفارش ترجمه

NMR characterization and conformational analysis of a potent papain-family cathepsin L-like cysteine protease inhibitor with different behaviour in polar and apolar media

Keywords: Cysteine protease inhibitors; 1H; 13C; 15N NMR; Conformational analysis

دانلود رایگان متن کامل مقاله ISI 7 صفحه سال انتشار : 2014 سفارش ترجمه

EASY: A simple tool for simultaneously removing background, deadtime and acoustic ringing in quantitative NMR spectroscopy-Part I: Basic principle and applications

Keywords: Solid State NMR; MAS; Probe background suppression; Ringing suppression; Deadtime, 1H; 19F; 11B; 13C; 25Mg;

دانلود رایگان متن کامل مقاله ISI 7 صفحه سال انتشار : 2014 سفارش ترجمه

Evaluation of 13C- and 2H-labeled internal standards for the determination of amphetamines in biological samples, by reversed-phase ultra-high performance liquid chromatography–tandem mass spectrometry

Keywords: 13C; Stable isotope-labeled internal standard; LC–MS/MS; Isotope effect; Deuterium; Amphetamine

دانلود رایگان متن کامل مقاله ISI 8 صفحه سال انتشار : 2014 سفارش ترجمه

Assimilation and accumulation of C by fungi and bacteria attached to soil density fractions

Keywords: Soil; Amino sugars; 13C; Density; LC-IRMS; Forest

دانلود رایگان متن کامل مقاله ISI 8 صفحه سال انتشار : 2014 سفارش ترجمه

Effects of addition of maize litter and earthworms on C mineralization and aggregate formation in single and mixed soils differing in soil organic carbon and clay content

Keywords: 13C; Aporrectodea caliginosa; Ergosterol; Litter decomposition; Microbial biomass; Subsoil; Topsoil

دانلود رایگان متن کامل مقاله ISI 9 صفحه سال انتشار : 2014 سفارش ترجمه

The rα structure of C6F5Br determined by 13C NMR in liquid crystal. Distortions of the C6F6 ring induced by single substitution

Keywords: NMR; 19F; 13C; Pentafluorobenzenes; Hexafluorobenzene; Substituent effect;

دانلود رایگان متن کامل مقاله ISI 9 صفحه سال انتشار : 2014 سفارش ترجمه

Understory species regulate litter decomposition and accumulation of C and N in forest soils: A long-term dual-isotope experiment

Keywords: Nutrient cycling; Soil-plant interactions; Stable isotopes; 13C; 15N;

دانلود رایگان متن کامل مقاله ISI 10 صفحه سال انتشار : 2014 سفارش ترجمه

Probing potential microbial coupling of carbon and nitrogen cycling during decomposition of maize residue by 13C-DNA-SIP

Keywords: Stable isotope probing; Maize; 13C; Decomposition; Denitrification; Nitrogen fixation; nifH; nirS;

دانلود رایگان متن کامل مقاله ISI 10 صفحه سال انتشار : 2014 سفارش ترجمه

Dynamic nuclear polarization and optimal control spatial-selective 13C MRI and MRS

Keywords: 13C; DNP; MRI; Optimal control; Pyruvate; Metabolomics;

دانلود رایگان متن کامل مقاله ISI 5 صفحه سال انتشار : 2013 سفارش ترجمه

Direct design of 2D RF pulses using matrix inversion

Keywords: FOV; field of view; MRS; magnetic resonance spectroscopy; RF; radio-frequency; ROI; region of interest; SNR; signal-to-noise ratio; SPSP; spectral-spatial; SPEN; spatio-temporal encoding; EPI; echo-planar imaging; CSI; chemical-shift imaging; Radio-freq

دانلود رایگان متن کامل مقاله ISI 6 صفحه سال انتشار : 2013 سفارش ترجمه

Improved PHIP polarization using a precision, low noise, voltage controlled current source

Keywords: Hyperpolarization; VCVS; VCCS; PHIP instrumentation; HEA; HEP; 13C;

دانلود رایگان متن کامل مقاله ISI 8 صفحه سال انتشار : 2013 سفارش ترجمه

Carbon uptake by a microbial community during 30-day treatment with 13C-glucose of a sandy loam soil fertilized for 20 years with NPK or compost as determined by a GC-C-IRMS analysis of phospholipid fatty acids

Keywords: 13C; Decomposition; Inorganic fertilizer; Organic manure; Phospholipid fatty acids; Turnover rate;

دانلود رایگان متن کامل مقاله ISI 9 صفحه سال انتشار : 2013 سفارش ترجمه

Low-field MRI can be more sensitive than high-field MRI

Keywords: Hyperpolarization; MRI; NMR; Low-field MRI; Litz wire; 13C;

دانلود رایگان متن کامل مقاله ISI 10 صفحه سال انتشار : 2013 سفارش ترجمه

Polyphenol tri-vanillic ester 13c inhibits P-JAK2V617F and Bcr-Abl oncokinase expression in correlation with STAT3/STAT5 inactivation and apoptosis induction in human leukemia cells

Keywords: Kinase; JAK2; Bcr-Abl; 13c; Polyphenol; STAT;

دانلود رایگان متن کامل مقاله ISI 13 صفحه سال انتشار : 2013 سفارش ترجمه

Carbon isotopic characterization of hydrophobic dissolved organic carbon in rainwater

Keywords: Rain; Precipitation; Dissolved organic carbon; Isotopes; 13C; 14C; Hydrophobic dissolved organic matter; Solid phase C18 extraction

دانلود رایگان متن کامل مقاله ISI 5 صفحه سال انتشار : 2013 سفارش ترجمه

Nitrogen and carbon CPMAS NMR investigations of keto–enol tautomerism in asymmetric o-hydroxy Schiff bases

Keywords: 13C; 15N NMR; CPMAS; Tautomerism; Hydrogen bond

دانلود رایگان متن کامل مقاله ISI 5 صفحه سال انتشار : 2013 سفارش ترجمه

Acid hydrolysis to define a biologically-resistant pool is compromised by carbon loss and transformation

Keywords: Acid hydrolysis; Carbon; 13C; Resistant pool; Soil organic matter

دانلود رایگان متن کامل مقاله ISI 5 صفحه سال انتشار : 2013 سفارش ترجمه

Measurement and evaluation of the 13C(p,p)13C cross section in the energy range 0.8-2.4 MeV

Keywords: Elastic backscattering; Rutherford backscattering; Cross section; 13C;

دانلود رایگان متن کامل مقاله ISI 7 صفحه سال انتشار : 2013 سفارش ترجمه

Novel trialkylsilyl(germyl)-substituted thienyl- and furylbenzimidazoles and their N-substituted derivatives – synthesis, structure and cytotoxic activity

Keywords: 2-[5-Trialkylsilyl-2-furyl(thienyl)]benzimidazoles; 2-[5-trialkylgermyl-2-furyl(thienyl)]benzimidazoles; Benzimidazolinium salts; 1H; 13C; 29Si NMR; HRMS spectra; Cytotoxic activity; Toxicity

دانلود رایگان متن کامل مقاله ISI 7 صفحه سال انتشار : 2013 سفارش ترجمه

Structure investigation of intramolecular hydrogen bond in some substituted salicylaldehydes and 4-aminoantipyrine derivatives in solution and in the solid state

Keywords: H-bond; Schiff bases; Tautomerism; 1H; 13C; 15N

دانلود رایگان متن کامل مقاله ISI 8 صفحه سال انتشار : 2013 سفارش ترجمه

Frequency-specific SSFP for hyperpolarized 13C metabolic imaging at 14.1 T

Keywords: 13C; Hyperpolarized; SSFP; Pyruvate; Urea; DNP; Metabolic imaging

دانلود رایگان متن کامل مقاله ISI 8 صفحه سال انتشار : 2013 سفارش ترجمه

Roots from beech (Fagus sylvatica L.) and ash (Fraxinus excelsior L.) differentially affect soil microorganisms and carbon dynamics

Keywords: 13C; 15N; Bacteria; Carbon cycling; Decomposition; Fungi; Nitrogen; Soil food web;

دانلود رایگان متن کامل مقاله ISI 10 صفحه سال انتشار : 2013 سفارش ترجمه

A thermal desorption system for measuring δ13C ratios on organic aerosol

Keywords: Organic aerosol; Stable carbon isotopes; 13C; Thermal desorption method; Isotope ratio mass spectrometry; Aerosol filter samples

دانلود رایگان متن کامل مقاله ISI 11 صفحه سال انتشار : 2013 سفارش ترجمه

Solid state 13C NMR characterisation study on fourth generation Ziegler-Natta catalysts

Keywords: 13C; CSA; ZN; Coordination; Donor;

دانلود رایگان متن کامل مقاله ISI 6 صفحه سال انتشار : 2012 سفارش ترجمه

High-resolution detection of 13C multiplets from the conscious mouse brain by ex vivo NMR spectroscopy

Keywords: NMR; nuclear magnetic resonance; TCA; tricarboxylic acid; Brain metabolism; Mouse; NMR spectroscopy; 13C; Stable isotopes; Glucose; Glutamine; Glutamate; Multiplets;

دانلود رایگان متن کامل مقاله ISI 6 صفحه سال انتشار : 2012 سفارش ترجمه

Millimetre-wave spectrum of anti-13C1 and 13C2 isotopologues of ethanol

Keywords: Ethanol; 13C; Isotopologues; Millimetre-wave; Laboratory spectroscopy; Radio-astronomy;

دانلود رایگان متن کامل مقاله ISI 7 صفحه سال انتشار : 2012 سفارش ترجمه

A large volume double channel 1H-X RF probe for hyperpolarized magnetic resonance at 0.0475 T

Keywords: Hyperpolarization; Multi-nuclear; Magnetic resonance probe; Parahydrogen; 13C; 15N; Low field;

دانلود رایگان متن کامل مقاله ISI 8 صفحه سال انتشار : 2012 سفارش ترجمه

C4 abundance in an Inner Mongolia grassland system is driven by temperature-moisture interaction, not grazing pressure

Keywords: Climate change; Stocking rate; Grassland community; C3 grass; 13C; Cleistogenes squarrosa;

دانلود رایگان متن کامل مقاله ISI 9 صفحه سال انتشار : 2012 سفارش ترجمه

Distribution of soil carbon and nitrogen along a revegetational succession on the Loess Plateau of China

Keywords: 13C; 15N; Organic carbon; Nitrogen; Revegetational succession; The Loess Plateau

دانلود رایگان متن کامل مقاله ISI 9 صفحه سال انتشار : 2012 سفارش ترجمه

Microscale distribution and function of soil microorganisms in the interface between rhizosphere and detritusphere

Keywords: 13C; C flow; Enzymes; Maize; Microbial community composition; Roots; Wheat;

دانلود رایگان متن کامل مقاله ISI 10 صفحه سال انتشار : 2012 سفارش ترجمه

Controls on 13C and 14C variability in soil CO2

Keywords: Organic matter; CO2; 13C; 14C; Root respiration

دانلود رایگان متن کامل مقاله ISI 11 صفحه سال انتشار : 2012 سفارش ترجمه

On the spin order transfer from parahydrogen to another nucleus

Keywords: Hyperpolarization; Parahydrogen; PASADENA; PHIP; 13C;

دانلود رایگان متن کامل مقاله ISI 11 صفحه سال انتشار : 2012 سفارش ترجمه

Zonal variability in primary production and nitrogen uptake rates in the southwestern Indian Ocean and the Southern Ocean

Keywords: The Southern Ocean; Zonal variability; Light; New production; 13C; 15N

دانلود رایگان متن کامل مقاله ISI 12 صفحه سال انتشار : 2012 سفارش ترجمه

Regenerated primary production dominates in a periodically upwelling shelf ecosystem, northeast New Zealand

Keywords: Phytoplankton production; 13C; 15N; Nitrogen uptake; Coastal upwelling shelf; f Ratio;

دانلود رایگان متن کامل مقاله ISI 21 صفحه سال انتشار : 2012 سفارش ترجمه

13C-selective infrared multiple photon dissociation of β-propiolactone by a free electron laser

Keywords: Free electron laser; 13C; Isotope separation; Infrared multiple photon dissociation; β-Propiolactone

دانلود رایگان متن کامل مقاله ISI 5 صفحه سال انتشار : 2011 سفارش ترجمه

Two crystal forms of cis-bis(ethylamine) dichloro platinum(II)

Keywords: Platinum(II); Coordination compounds; X-ray crystal structure solution; IR- and 1H; 13C; 15N MAS NMR spectroscopy’s

دانلود رایگان متن کامل مقاله ISI 6 صفحه سال انتشار : 2011 سفارش ترجمه

1H and 13C solution- and solid-state NMR investigation into wax products from the Fischer-Tropsch process

Keywords: Fischer-Tropsch wax; Average carbon chain length; 13C; 1H; MAS; Solid-state NMR; Solution-state NMR;

دانلود رایگان متن کامل مقاله ISI 7 صفحه سال انتشار : 2011 سفارش ترجمه

Multi-channel metabolic imaging, with SENSE reconstruction, of hyperpolarized [1-13C] pyruvate in a live rat at 3.0 tesla on a clinical MR scanner

Keywords: Hyperpolarization; 13C; Parallel imaging; Rat; In vivo; Metabolic imaging;

دانلود رایگان متن کامل مقاله ISI 7 صفحه سال انتشار : 2011 سفارش ترجمه

On accuracy of the 13C NMR chemical shift GIAO calculations of fullerene C60 derivatives at PBE/3ζ approach

Keywords: NMR spectroscopy; 13C; GIAO PBE/3ζ; 2D INADEQUATE NMR; C60; Fullerene derivatives;

دانلود رایگان متن کامل مقاله ISI 7 صفحه سال انتشار : 2011 سفارش ترجمه

Seasonal changes in nitrogen availability, and root and microbial uptake of 15N13C9-phenylalanine and 15N-ammonium in situ at a temperate heath

Keywords: Amino acid; 13C; Calluna vulgaris; Deschampsia flexuosa; DON; Heathland; 15N; Tannic acid

دانلود رایگان متن کامل مقاله ISI 8 صفحه سال انتشار : 2011 سفارش ترجمه

Multiple-source heterotrophy fueled by aged organic carbon in an urbanized estuary

Keywords: Dissolved organic carbon; Wastewater; Sewage; Heterotrophy; 13C; 14C; Isotope mixing curves; Carbon dioxide; Chlorophyll; Carbon cycle; USA; Hudson River Estuary

دانلود رایگان متن کامل مقاله ISI 9 صفحه سال انتشار : 2011 سفارش ترجمه

13C labelled internal standards—A solution to minimize ion suppression effects in liquid chromatography–tandem mass spectrometry analyses of drugs in biological samples?

Keywords: Ion suppression; LC–MS/MS; UPLC; 13C; Deuterium; Biological samples

دانلود رایگان متن کامل مقاله ISI 9 صفحه سال انتشار : 2011 سفارش ترجمه