Analysis Using Nuclear Magnetic Resonance TRIZ Cases

Controlled ethylene polymer mobility and molecular weight help microporous battery films keep porosity, limit heat shrinkage, and avoid surface defects.

Nested flow channels balance wall and fluid temperatures to minimize axial gradients in NMR sample tubes and stabilize measurements.

Silicone-oil-bearing silica on toner surfaces improves charge stability, reduces environmental dependence, and suppresses hollow defects and member contamination.

A thermally isolated second fluid conduit shields the permanent magnet, enabling accurate NMR measurement of fluids above 55°C.

Ultrasonic droplet formation improves parahydrogen contact and spin transfer, enabling stronger hyperpolarized fluid signals for NMR and MRI.

Separate drive and bearing gas feeds with a flushing seal let MAS rotors spin faster at stable pressure without nozzle redesign.

Concurrent forward-model fitting during MR acquisition avoids Fourier reconstruction, cutting scan time while improving parameter mapping accuracy.

Concurrent forward-model MRI mapping iteratively fits voxel magnetization without Fourier transforms, cutting scan time while preserving accuracy.

Reference-spectrum convolution aligns NMR results across different units while preserving integrals and reducing model complexity.

A known reference sample creates a second NMR peak, enabling stable concentration measurement of single-resonance materials despite system drift.

A concentric DC and AC coil layout boosts surface NMR groundwater signal-to-noise ratio while keeping pulse emission under 1 second.

Separated load and eject gas streams keep NMR sample tubes moving with stable attitude, avoiding stops and fractures in transport.

Hyperpolarized xenon acts as an NMR reporter, using irradiation-dependent signal fitting to reduce uncertainty in host-molecule measurements.

Varying slurry loading and conductivity can detune RF transfer; selectable capacitors and coil orientation stabilize impedance for accurate concentration readings.

Strong NMR fields can attract metal and disrupt precision instruments; layered covers place probe adjustment in a safer operating zone.

29Si-CP/MAS-NMR quantifies silica surface silanol groups to select defoamers that retain performance in alkaline, intensely agitated liquids.

Aniline cloud point measurement avoids high-temperature solvent drying to assess aromatic content in hydrocarbon solutions faster and at lower cost.

NMR T1 relaxation measurements rank ceramic-solvent and additive-solvent affinity to predict stable rheology before formulation screening.

Combining 1D and 2D NMR with improved difference spectroscopy reduces zoning errors in condensate saturation pressure testing.

This case uses calibrated 13C and 31P NMR chemical shifts to measure pH in gels, pastes, and colloids without dilution.

A permanent magnet gradient system enables precise diffusion coefficient measurement in rock samples without complex electrical current amplification.

Multiple coil-like antennae measure magnetization at different exposure durations without mechanical adjustment mechanisms.

A sealed magic angle spinning NMR probe uses double containment enclosures to isolate hazardous samples during high-speed analysis.

Nuclear magnetic resonance replaces distillation by measuring diffusion and relaxation signals, reducing measurement time while maintaining precision.

Precomputed CEST signal dictionary matching determines exchange rates by correcting magnetization transfer effects, reducing computational expense.

Rockburst simulation method applies dynamic loads to rock samples with holes to replicate excavation disturbances and observe spalling phenomena.

Multi-pulse acquisition sequences with varied pulse moments estimate T1 and T2* relaxation times, reducing magnetic field inhomogeneity sensitivity.

A pressurizable NMR sample holder uses a nonmagnetic tube to surround the radio-frequency coil.

Halbach magnet array eliminates gradient coils to enable rapid volumetric mapping of surgical tissue margins.

Rotating field gradients and inverse Radon transformations resolve short T2 components in rocks by eliminating lengthy echo times from gradient switching.

A miniaturized nuclear magnetic resonance analyzer uses segmented Halbach cylinder magnets to detect signals from drill cuttings.

Actively controlled heat exchanger stabilizes sample temperature to resolve measurement precision losses from process environment fluctuations.

Rotating a cylindrical sample holder minimizes beam alignment variance, resolving measurement repeatability issues in grain moisture sensing.

Machine learning module optimizes acquisition parameters via preliminary navigation scans, resolving the trade-off between processing rate and image quality.

A V-shaped magnet system generates homogeneous and gradient magnetic fields within a compact air gap.

Simultaneous NMR signal acquisition with an internal standard sample corrects instrument instability to reduce measurement errors.

Identifies acetylated monosaccharide units in pentosan polysulfate using NMR and mass spectrometry for precise structural qualification.

Lookup tables replace iterative Fourier transforms during scanning, reducing MRI scan time while maintaining diagnostic accuracy.

Standardized cell precession detects subsurface oil reservoirs from the surface, mapping faults and free radicals to reduce dry hole risks.

A magnecytometer uses super-paramagnetic iron oxide nanoparticles to alter water NMR relaxation signals for ultra-sensitive biological detection.

Intermediary receive antenna suppresses RF interference during open-space scanning, enabling rapid one-second material identification.

Segmented RF coils on a rotating tissue holder resolve low SNR in thin sample imaging.

Segmented sample holder mounts intact thin films on a spinning rotor, enabling non-destructive high-resolution solid-state NMR analysis without scraping.

Specialized holder secures elastomers at precise stretch ratios, resolving stretching errors in strain-induced crystallinity measurements.

Phase-incrementing magnetic resonance spectroscopic imaging applies selective RF pulses to separate overlapping biomarker signals.

Fusing separate high-field resolution and low-field contrast scans resolves the trade-off between image clarity and signal reliability in flowing media.

DANTE-Z selective excitation isolates short T2 components down to 0.2 ms, resolving signal overlap in rock and cement materials.

Heavy water displaces regular water in rock samples to generate distinct NMR relaxation signals for pore structure analysis.

Transverse relaxation rate analysis of solvent signals detects nanoparticle clustering in sealed containers.