NMR

High-speed MAS solid-state NMR has been used to characterize the structural changes in fluoropolymers resulting from the irradiation.

A standard chemistry lab's NMR machine approaches the size of a file cabinet, but the new device is only about as big as a coffee cup.

Education Master graduate student is much renown, hold two or more posts concurrently in the graduate school tuitional NMR chart learns.

As a analysis method which do not destroy samples, NMR is an indispensable means to analyze the molecular structure.

In NMR Six Miles Deep Bob Kleinberg explains how the nuclei of some atoms can be made to line up with a magnetic field.

Applications of low field NMR are spread out in many realms including food manufacture, petroleum industry and agriculture industry.

Decoupling means the service providers and consumers interact with one another only through the NMR mechanism.

METHODS Sugar composition analysis, methylation analysis and NMR were used to determine the structural features.

The structures of the compounds were confirmed by the means of elemental analysis, IR, NMR, etc.

Its ordered arrangement distribution can be observed by NMR, and its adhesive strength can also be measured.

With the expansion and deep-going of NMR's applications, the technology of NMR spectrum keeps developing and improving as well.

An application experimental study of NMR logging in Tahe ultra-low porosity and low permeability reservoirs in Xinjiang is conducted.

NMR is a technique used to determine the porosity and permeability of rock formations .

The main research of this thesis is to design a new NMR spectrometer magnetic field lock system transceiver.

Both Nuclear Magnetic Resonance (NMR) and X-Ray absorption spectroscopies characterize local order around the observed nuclei.

The analytical method that has the greatest impact on science is nuclear magnetic resonance spectroscopy. It is widely used in many fields.

Because of the complexity of saccharide structure, NMR and MS have become the potent means of its structural analysis.

The structures of the products were determined by IR, 1H NMR, HRMS and X-ray analysis. And a possible reaction mechanism was put forward.

FTIR, DSC, HPLC and NMR were used to characterized the structure and purity of diamine monomer synthesized in this paper.

The reaction condition was optimized and the structures of these compounds were characterized by NMR, MS and UV.

Emerging connections to crystallographic phasing, NMR modeling, and lower-resolution approaches are described and critically assessed.

The nuclear magnetic resonance(NMR) characteristics of the rock under uniaxial load were experimentally investigated.

These inclusion compounds were confirmed by means of IR and powder XRD, and their host-guest molar ratio was determined by ^1H NMR.

The structure of this monomer were confirmed by means of Elements Analysis, Fourier transform infra-red spectroscopy (FT-IR), 1H NMR.

The output of the NMR instrument is a well log , which records processed data as a function of depth .

Electrical conductivity impacts the inversion of the data of surface nuclear magnetic resonance (NMR) sounding method.

Objective Comprehensive review of the previously published applications of NMR technique in solid phase synthesis was presented.

For the acetyl halides, similar tunnelling and NMR frequencies lead to an anomalous-looking temperature dependence of the relaxation rates.

The general formulation is deduced, by which the simulation program for VASS NMR powder pattern is set up.

For noise free surface NMR signals, both flattest and smoothest model constrained inversions can infer correct water content distributions.

The T2-G 2D NMR method can be used to detect internal magnetic field gradient distribution and for fluid diffusion analysis.

It is very important to calculate the accurate magnetic fields rapidly in the surface NMR data simulation.

In this paper, we introduced the physical and mathematical models underlying the inversion of 2D NMR map with a global inversion method.

The mechanism of the hydrolysis reaction of diphenylmethane diisocyanate (MDI) in dilute solution was studied by NMR.

The Normalized Message Router (NMR) is the part of the ESB that all components use to send and receive inter-component messages.

Hyphenation of nuclear magnetic resonance(NMR) is the most powerful tool for the structural identification of drug metabolites in vivo.

Nuclear Magnetic Resonance (NMR) is an important experiment in modern physics education.

The structure and properties of the copolymers have been investigated by()~1H-NMR, DSC and measurement of surface contact angle.

Firstly, china has few independent intellectual property rights of NMR technology while facing the foreign technology embargo.

Areas of its research are focus on the application of NMR in the structural analysis in Biomacromolecules.

The rapid rate of diffusion of molecules in pore fluids during a nuclear magnetic resonance (NMR) measurement.

NMR relaxation times of four protons at different positions versus steric effect and mixing proportion in ligand mixtures were monitored.

By means of elementary analysis, UV-Vis, IR, CD spectrum, and 1H-NMR, the chiral Zn porphyrin was character ed.

The corresponding 13 C NMR resonance peaks are the major basis for the differentiation between treated amber and treated resin.

NMR signals in the transform domain are concentrated in a few coefficients while the noise is well distributed.

The vinyl group in the vinyl ester is a typical ABX system in NMR, other spectral characteristics are the same as in maleopimaric acid.

The properties are illustrated by application to simulated NMR signals showing dynamics in the intermediate to slow exchange regime.

The technology of nuclear magnetic resonance (NMR) applying in food detection at home and abroad was summarized.

The results indicated that 31P NMR method is an effective tool for analyzing malathion EC, and thus useful in practical pesticide analyses.

Nuclear Magnetic Resonance (NMR) is a powerful and sophisticated technique with wide range of application.

The structures of these compounds were characterized by elemental analysis, IR, 1H NMR and MS.

We have studied protein folding and unfolding by NMR together with fluorescence and circular dichroism experiments.

Model one: Attachment can affect NMR; attachment can affect emotional experiences through positive coping.

The structure, solubility, intrinsic viscosity, optical and heat property of polyimides was determined by FTIR, NMR, DSC and TGA et al.

Constant T2 cutoff was mainly used in the determination of irreducible water saturation with NMR log information before.

A device for aeration and mixing of cell or organelle suspensions in a vertical bore NMR magnet is described.

It is in general interested in determination of biomacromolecular structures using NMR spectroscopy.

Results The core flow efficiency can be analyzed by the NMR experiments.

This gate has so far been implemented in NMR by using coupling evolution method.

It is a new comprehensive monitoring of the quality of medicines using NMR combined with pattern recognition technology.

The structure is affirmed by element analysis, IR and NMR. The reaction conditions and the application in alkyd resin varnish are discussed.

Aim: nuclear magnetic resonance spectrum of calycosin was studied, and its chemical shifts of 13C NMR were attributed.

The aluminium-oxide stereo polyhedron structures changes were studied by NMR and SEM in fly ash treated by mechanical grinding.

The paper introduces the application of nuclear magnetic resonance (NMR) to the studying on coal water slurries.

The NMR experiment is the physical basis of the interpretation of NMR data in evaluating reservoirs.

This paper analyzes the glyceryl polyether by nuclear magnetic resonance (NMR) spectroscopy.

A method for the dissection of a practicl cleaning agent for metals by NMR and other experimental methods is presented.

Monte Carlo simulation provides an alternate way to quantify the effects of inhomogeneous field gradients used in MRI and NMR.

Organic compound mentioned in this thesis were characterized by IR and NMR, and the organometallic compounds by NMR and X-ray diffraction.

The structure was confirmed by elementary analysis, IR and NMR. Its application in alkyd resin varnish was discussed.

By conclusion of technique advantages, extending application prospect of NMR is presented.

The structural changes of phenolic resin during thermal degradation could be observed more directly and clearly by 13C-NMR than FTIR.

The melting point equipment, IR and 1H NMR techniques were used to characterize the product.

Nuclear magnetic resonance (NMR) results: ventricle, brain ditch widened.

Results: The total yield was 31. 5%. Structures of the target product and key intermediates were verified by IR and 1H-NMR.

The pulse sequence used is the solid-state NMR equivalent of double-quantum filtered COSY, known from solution-state NMR.

The more smaller pore size, the more stronger internal Magnetic field gradient. The nmr porosity is significantly lower.

Applications of solid state NMR spectroscopy and imaging in the studies of materials and biological systems.

The application of HPLC-NMR in drug metabolism, natural products analysis and food analysis were reviewed.

In this study we present an orthogonal magnetic field gradient system for nuclear magnetic resonance (NMR) microimaging applications.

Using the ESR to trace the reaction of sonochemistry, we confirmed the mechanism of "sono-free radical" by the technologies of NMR and FAB.

Using a multi-exponential inversion algorithm we can get the T2 spectrum for NMR signal, with which we can analyze samples quantitatively.

Furthermore, the problem of restricted acquisition bandwidth in noise NMR spectroscopy is discussed.

This method is valuable for promoting the application of low field pulsed NMR measurement technology.

An outline is presented of metabolite-specific in vivo NMR spectroscopy (particularly in brain).

A series of benzimidazoles and their complexes was prepared by author, the ligands and complexes were characterized by UV, IR, NMR, and MS.

NMR logging response only associates with the hydrogen content and the status of rock pore fluid (oil, gas and water).

The structures of the two DIAR couples were characterized by 1 H NMR, elemental analysis, and mass spectrometry.

The NMR concentrates on quickly switching messages between components.

detailed discussed the application of the UV, IR, NMR spectroscopy in the study of lignin structure.

detailed discussed the application of the UV, IR, NMR spectroscopy in the study of lignin structure.

The weight-average molecular weights(Mw)was measured by GPC. Poly(aspartic acid)was characterized by NMR.

Main processing steps of NMR data processing are wavelet transforms and liner prediction.

We further investigated the conformational properties of these analogs by 1D and 2D ~1H NMR spectroscopy and molecular modeling.

Welcome to the lab of NMR Spectroscopy and Imaging at the Department of Chemistry of NSYSU!

An NMR micro-imaging system was developed on a conventional NMR spectrometer.

Based on technology of nuclear magnetic resonance(~1H-NMR), the content of the GB under different conditions can be detected.

The structure of sucralose was also identified by the methods of IR, MS, NMR and elemental analysis.

This thesis focuses on the application of pattern recognition to biomedical NMR study.

By default, the NMR currently load-balances between available instances.

Step 10: The BC connected with the first JBI environment hands over the normalized message to the NMR.

Their structures and properties were characterized by IR, TGA, NMR and impact tester, etc.

NMR Spectroscopy Tutorial -- a brief overview about the theory and then some examples of spectral analysis.

and transverse relaxation, which is the time (T2) needed for protons to lose their coherent energy in an NMR measurement.

NMR and FTIR were used to characterize the structure of terminal groups of the copolyethers.

Sulfonated polymers'structures are characterized by FT-IR and'H-NMR, and the result show that ideal polymers are obtained.

The liquid NMR is a necessary tool of scientific research in many universities.

NMR was a kind of lubricant containing nm-scale high polymer materials and activated elements S and P.

The structures of the products were determined by IR, 1H NMR. A possible reaction mechanism was put forward.

The composition and structure of the ligand were determined by elemental analysis, IR, UV, NMR, MS and X-ray diffraction.

These compounds have not been reported before, and the structures were identified by MS, IR and 1H-NMR spectra.

NMR enables a simple way to analyze polyester samples and obtain the vital structure information.

The structures of the intermediates and product were characterized with 1H NMR and Mass spectra.

A further illustration of the recognition mechanism was revealed by FT-IR spectra and 1H-NMR titration.

The compounds produced were characterized by IR and NMR spectroscopy.

The nuclear magnetic resonance(NMR) spectroscopy and IR spectra.

Briefly explain the tool of NMR in determination of the molecular structure of biological materials.

Each message is normalized by a BC and handed over to NMR.

The results of bone scintigraphy and NMR findings allowed the diagnosis.

Primary application of 20D NMR technique shows its extensive prospect in oil reservoir evaluation.

A simplified and portable instrument is the urgent need to further popularize the NMR technology.

Components that are layered on the NMR add external protocols.

Three: Synthesized a novel BODIPY dye which emitted in the near-infrared region. And characterized the dye by 1H NMR, IR and EI-MS.

The structures of Pamicogrel and its derivatives were confirmed by H-NMR, IR, MS.

There structures were characterized by NMR, IR and Ultra-vis spectrums.

Consequently, XML files with protein data produced by NMR can be very large in size, such as 100 MB to 1 GB, or more.

The structures of Linezolid and its derivatives were confirmed by IR, 1H-NMR and MS.

They were confirmed by H-NMR and elementary analysis.

Benzidine derivate(guests) were synthesized and characterized by using ~(1)H NMR technique and mass analysis method.

The degree of esterification and molecular weight of the resulted amphiphilic hyperbranched polymers were caculated via()~1H NMR.

The molecular structure of optimum products is characterized by using infrared spectrum, NMR and ultimate analysis.

The structural change of silver grass lignin in Auto-catalyzed ethanol-water pulping was studied by IR and 1H-NMR.

The use of NMR for the identification of its structure.

OBJECTIVE To establish a method for determining the deacetylation degree in chitosan by 1H-NMR.

The structure of an unknown compound was studied by NMR spectrum and IR spectrum.

An acid yellow was synthesized by diazo and azo, and characterized by elementary analysis, IR and 1H-NMR.

The structures of the intermediates and the target compound were confirmed by 1H NMR and MS.

Their changes in 31 P NMR chemical shift compared with diphosphene compounds are analyzed.

These effects are illustrated using (27)Al NMR of yttrium aluminium garnet and andalusite.

All of the new compounds were characterized by NMR, MS, IR spectra.

The structure of the intermediate and end products was characterized by UV, FT-IR, and NMR.

The structures of the new intermediates and target compounds are confirmed by 1H NMR, 13C NMR, IR, and MS spectra.

fully characterised by 1H NMR spectroscopy and mass spectrometry.

A study on the NMR spectrum of monoterpene glucosides from Paeonia lactiflora Pall.

This procedure is derived from a method in use for field-swept NMR.

It is therefore desirable to detect and quantify the polyamines with NMR.

The structure of the products were determined by IR, NMR and ultimate analysis.

In order to discuss the possible measurement of order parameters, NMR quadrupole splitting in liquid crystal is considered.

Step 5: The NMR forwards the normalized message to the BC connected with the second JBI environment.

The chemical structure of as synthesized modified coumarin dyes were characterized by the nuclear magnetic resonance spectra (1H-, 13C-NMR).

The bibliography contains newly published material in the field of NMR in biomedicine.

Therefore on the development trend, the use of XML as a NMR data description and management tools is a good choice.

The chemical structure was characterized by IR, 1H NMR and ultimate analysis.

For example, you can write code that tells which communication objects will be used to exchange messages with your component via the NMR.

Results The desired product was obtained in over all yield of 49. 7% and its structure was confirmed by 1H-NMR and IR.

More and more proteins containing cis peptide bonds have been found with the increasing resolution of X-ray and NMR experiments.

The structures of the products were determined by IR, 1H NMR and HRMS.

In this paper an instrument for quick determination of oil content in soil-bean based on NMR is introduced.

The structures of the compounds were confirmed by()~1H NMR and IR.

The base NMR uses an in-memory messaging structure.

The paper also summarizes the experience of opening using the liquid NMR.

The chemical structure of the target compound was confirmed by IR , 1H-NMR, MS and elemental analysis.

Hydrocarbon saturation equation was set up according to T1 difference between hydrocarbon and water in dual polarization time NMR log.

Step 4: The BC hands over the normalized message to NMR.

Based on clinical symptoms as well as EEG and NMR results, the case was very likely vCJD.

A type of nuclear magnetic resonance (NMR) log that is designed to record properly only the bound fluid.

The final product was characterized by NMR and MS.

Used for a long time for diffusion studies, PFG NMR techniques are now widely used to study flow through porous media.

Part III is a review about the research of ~1H-NMR technique applied in the metabonomics.

Due to various reasons, people in china have little knowledge about NMR technology though it has been very mature.

Results and Conclusion The chemical structure of the compound was confirmed by IR and 1H-NMR.

At the same time, the NMR logging has the superiority over conventional logging.

The structures of the intermediates and the target compound were confirmed by MS, 1H NMR and 13C NMR spectra in our experiments.

Results 32 new compounds were synthesized and their structure were confirmed by MS and 1H-NMR.

The signals in NMR spin echoes which are refocused by 90 degrees pulses are spatially modulated.

In recent years, the application of NMR and its imaging techniques in food industry has been more and more broad and important.

At the same time, we got a series of new substituted compounds and some of them were characterized by 1H- NMR spectra.

at the present time , nmr equipment is very expensive.

The middle products were characterized by IR and~1H NMR.

Results The structure of the target molecule was identified by 1H NMR, 13C NMR and element analysis.

The structure of the copolymer was characterized by FTIR and 1H-NMR.

This unknown product 2 was proved by NMR studies to be 6 - (N, N - dimethylamino) -5, 12 - naphathacenequinone.

Results: The structure of target compound was confirmed by 1H-NMR, IR and melting point. A total yield was 22%.

The structure of product was conformed by elementary analysis, IR and 1H NMR.

Polymer was characterized by FT-IR, 1H-NMR.

Both 5 and 6 are characterized by IR, NMR and single-crystal X-ray analyses.

Nuclear magnetic resonance (NMR) is now a very important approach to study the interaction between small ligand and biomolecule.

Methods LAMS was prepared by chlorosulfonic acid - pyridine method , and the structure of was analyzed by 13 C NMR.

The request will go to the first JBI server, travel through its consumer BC, NMR, provider BC, and then to the second JBI server.

The structure of QADCS was characterized by FTIR, 1H NMR and EA. Meanwhile solubility and surface properties of QADCS were studied.

The structure of Compound 8 was elucidated by various spectral data, especially 2D-NMR.

The structure of NPER was characterized by IR and 'H-NMR and the synthetic mechanism of NPER was inferred.

The NMR technology can not distinguish the benign cancer and malignant cancer well.

This is the most comprehensive textbook on NMR to date.

NMR was also used to study dynamic properties of protein both in pico-second to nanosecond and in micro-second to mill-second time scales.

Result: Chemical structure of the product was con- firmed by~1H-NMR and MS. Total yield was 49. 1%.

Results: Total yield of ilomastat was 11. 9%. The structure was confirmed by 1H-NMR and MS.

It can aid people to elucidate the 13C-NMR spectra of steroidal natural products effectively.

The monomer and polymer are characterized by IR and 1H - NMR. The plot of viscosity vs time is made.

With the development of nuclear magnetic resonance logging (NMR) technology, it is applied to more and more areas.

Microwave spectrum , NMR and quasielastic incoherent neutron scattering methods are adopted to study the dynamics of supercritical water.

Hardware Design for a General-purpose Pulse Generator Used in NMR Spectrometers

Determination of physical and chemical properties of the iron oxide solution to be used as a contrast agent for NMR

Result of NMR of Viscous Oil Samples and Viscosity Experimental Measurement

Synthesis and NMR Study of Phenols Multi Substituted by Alkanes Containing Fluorine and Study on Their NMR Spectra

Progress in solid-state NMR spectrum study of positive electrode materials for lithium ion batteries;

Synthesis, Mechanism and NMR Spectra of Lanthanide Complexes with an Unsymmetrical Schiff Base

Finite Difference Simulation of Restricted-diffusion Behaviors of Multiple-quantum Coherences Between Multiple Parallel Plates in Liquid NMR

Experimental study of the NMR characteristics in rock under uniaxial load

Application of NMR Methods to Determine the Absolute Stereochemistry of Natural Organic Compounds

Combination of inversion and fitting as an effective method for the analysis of NMR relaxation data

Core Experimental Study on Paramagnetic Ion Effects on NMR Relaxation Property and Its Applications

Hydrocarbon Accumulation Mechanism Analysis of Lithological Reservoir by NMR Modeling Experiment

Identification of the component of polyester mixture and its structure by NMR method

The evaluation of development potential in low permeability oilfield by the aid of NMR movable fluid detecting technology

N natural increase rate , NIR neonatal mortality rate, NMR net reproduction rate , NRR non-linear regression normality null hypothesis

Application of NMR imaging technique to quantitative observation and analysis on hydrocarbon migration pathway

NMR spectroscopic characteristics of cephalosporins

Study of the molecular motion in swollen AB-crosslinked polymer by NMR

Theoretical Expression and Computer Simulation of Diffusion Behaviors in Multiple-Quantum Coherence NMR

Structure identification of triterpenes from fruiting bodies of Ganoderma lucidum by NMR spectra and X-ray diffraction analysis

Application of Projection Reconstruction Technique in NMR Side-chain Experiments and Ligand Titration of Proteins

NMR Characterization of Graft Copolymer of Cellulose Diacetate with Polycaprolactone

Optimized Parameters in Intermolecular Multiple-quantum Coherence NMR with CRAZED Sequence

NMR State Diagram Concept of Food Products

Experimental study of active pore distribution during water driving by using NMR

Influence of Unstable Magnetic Field on NMR Spectra Due to External Vibration Interference

Relative Quantitative Determination of Three Ingredients in Compound Preparation by NMR;

Solid State NMR Study of Starch-sodium Acrylate Grafted Copolymer

Nmr Probeheads For Biophysical And Biomedical Experiments: Theoretical Principles And Practical Guidelines

Protein automatic production for crystallography and NMR spectroscopy

Analysis on applied effectiveness of near-surface aquifers exploration with NMR technique in North Western arid area

Laboratory Study of Low Resistivity Oil-water Layer Recognized by Using NMR Method

Laboratory Evaluation of Remaining Oil Distribution by NMR Technology after Polymer Flooding

A Study of Effects of Sucrose on Molecular Mobility in Dough by NMR Techniques

Application of low resolution pulsed NMR spectroscopy in testing iso-regularity of polypropylene

The Application of NMR in the Structure Identification of Stilbene-based Fluorescent Brighteners

An application of NMR logging to calculating permeability in low porosity and low permeability reservoir

NMR Characterization and Catalytic Hydroformylation of Water-Soluble Rhodium-Phosphine Complex in the Presence of Acid and Base

Influence factors of multi-exponential inversion of NMR relaxation measurement in porous media

Research of the Temperature Interrelation for Permanent Magnetic Device of NMR-CT

The Domain Structure, Molecular Dynamics and Interaction of Several Polymers Studied by Solid State NMR

We presented the basic principle of NMR using for measuring the water content in oil, and designed a minitype NMR equipment;

Application of mq 20 NMR spectrometer on polypropylene production equipment for the measurement of isotacticity

General rules for pulse Fourier transform electromagnet NMR spectrometry

Simultaneous Measurements of Transverse Relaxation Time and Self-diffusion Coefficient of Intermolecular Multiple Quantum Coherences in NMR

Application of NMR Logging Technique in Hydrocarbon Exploration in Jiangsu Oilfield

NMR Study on the Micellar Microstructures of Three Anionic Surfactants with Different Molecular Structures in Aqueous Solution

Application on fluorescent probe for determination of intracellular free calcium by NMR

Application of NMR to structure analysis of poly-substituted aromatic analogy compounds