particle analysis Articles
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Single-particle analysis and electron tomography
Both single-particle analysis and electron tomography are special tools for the structural analysis of biological components by transmission electron microscopy. Single-particle analysis enables us to determine the structures of relatively large proteins and macromolecular complexes without crystallisation. Electron tomography is often used to visualise organelles and subcellular structures at ...
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Automating oil particle analysis
Run up to 25 samples at one time The major issue for premature failure in wind turbine gearboxes is bearing failure, which leads to gearbox failure. A wind turbine gearbox will not survive if the oil is not clean and especially if the hard ferrous particles are not removed from around the bearings The LaserNet 230 particle counter and ferrous debris monitor has been shown to be an excellent ...
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Problems in Particle Size: Laser Diffraction Observations
The results obtained by a particle size analysis can easily be taken for granted. If the particle size distribution of a material must be quantified and reported, it is important that the full implications of the analytical technique and generated data are investigated and understood. While complying with designated testing methods and procedures is of great importance in a quality assurance ...
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Filtration Performance: Turbidity & SDI Reduction, Particle Analysis nextSand vs. MultiMedia. - Case study
Test Conditions Water Source: Surface water (river water with silt and clay particles after a rain event in San Antonio). Equipment Description. Multimedia System. 36" bed depth comprised of #16 Garnet, #50 Garnet, 20x30 mesh sand and anthracite, operated at 12gpm/ft2. next-Sand System. 1/4x1/8 gravel to cover hub and laterals, 36" bed depth of 14x40 mesh next-Sand operated at 12 gpm/ft2. ...
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Ammonium removal from aqueous solution by zeolite X synthesized from halloysite mineral
Zeolite X was successfully synthesized from natural halloysite mineral by hydrothermal method. The synthesized zeolite X was characterized by XRD, SEM, TEM and HRTEM. The characterization indicated that zeolite X had high crystallinity together with symmetrical and uniform pore channels. Ammonium (NH4+) adsorption properties of zeolite X were studied using batch experiments. The results revealed ...
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Particle Shape
The properties of particles include particle size, shape, surface structure and pore structure. The shape of the particles can impact on many properties of a powder sample, including specific surface area, flowability, magnetic property, packing property, abrasive property and chemical activity. In order to improve the characteristics and performance of some products, particle shapes have been ...
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Particle Dispersion for Size Analysis
Panicle size analysis is a vital analytical tool in the pharmaceutical industry. The results can be used to meet safety and quality specifications and provide information for product development and manufacturing. Modern techniques have made determining the particle size of a material quick and convenient, but many factors can influence the quality of data obtained. While particle size analysis ...
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Automated Oil Particle Analysis Helps Prevent Gearbox Failures
The major issue for premature failure in wind turbine gearboxes is bearing failure, which leads to gearbox failure. A wind turbine gearbox will not survive if the oil is not clean and especially if the hard ferrous particles are not removed from around the bearings. The LaserNet 230 particle counter and ferrous debris monitor has been shown to be an excellent analytical tool for end users to ...
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Best Known Method for Clean Fluid Sampling to Get Consistent Measurements During Offline Particle Analysis
Abstract A complete chemical quality monitoring program includes data gathered from the time chemicals are received all the way to the point of process. Throughout this monitoring program, the best known method (BKM) which provides optimal data quality and time resolution is continuous in-line monitoring. However, physical and environmental challenges posed by some chemicals and how they are ...
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New Membranes for Environmental, Pharma and Wider Applications
Summary: A new membrane that’s better for your application Choose Gold-coated polyester membranes for: Detecting and characterizing micro-plastics in environmental water samples. Particle analysis by SEM/EDX, FTIR microscopy and Raman spectroscopy. Identification and characterization of micro- and nanoparticles in pharmaceutical fluids and chemical auxiliary agents. Testing for ...
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Purification of inkjet ink from water using liquid phase, electric discharge polymerization and cellulosic membrane filtration
A method to separate inkjet ink from water was developed using a liquid phase, electric discharge process. The liquid phase, electric discharge process with filtration or sedimentation was shown to remove 97% of inkjet ink from solutions containing between 0.1–0.8 g/L and was consistent over a range of treatment conditions. Additionally, particle size analysis of treated allyl ...
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Mining and Minerals
Bettersize particle size and particle shape analysis instruments are widely used in the research, manufacturing and application of all kinds of mining and minerals, bringing favorable profits. The Bettersize particle size analyzer, particle shape analyzer and powder characteristics tester can provide complete physical property analysis for the deep processing of mining and minerals, and offer ...
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Performance evaluation of a low-cost odour trap installed in waterless urinals
Waterless urinals save precious fresh water normally used for flushing and reduce odour levels in restrooms. However, existing models of waterless urinals available on the market are expensive and maintenance costs of the odour traps of these urinals are also quite high. Experiments conducted using a low cost membrane-based waterless-urinal odour prevention trap available in India revealed a ...
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Spectro Scientific`s Third Edition Of The Oil Analysis Handbook
It has been over two years since the publication of the first edition of Spectro Scientific’s In-Service Oil Analysis Handbook. Our goal was to compile a comprehensive reference book of common in-service oil analysis techniques to help readers understand and choose the right technique and instrumentation for their needs. In-service oil analysis for condition based maintenance covers a wide ...
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Comparison of digital and manual methods of snow particle size estimation
Maintaining long time series of observations of the Cryosphere is a key issue in climate research. Long observational time series involve problems due to change in methodology or observers. In order to extend time series and introduce new methods, careful comparisons must be made to ensure homogeneity in the observational data. We have compared an established method for snow grain-size ...
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LaserNet fines Q230 technology
The LNF Q230 offers a patent-pending, completely unique, coordinated analysis of particulate via imaging and magnetic sensing. This capability enables this device to do things that none before it have done. We can characterize BOTH the image of a 20-micron or larger particle AND determine if the particle is magnetic. We can bin the size and compare both the image-based and magnetic particle ...
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Filtration Performance and Particle Analysis, next-Sand vs. MultiMedia.- Case study
Test Conditions Water Source: Ground water pumped through a grit screen was collected in a 20,000 gallon storage tank. The water was pumped from the storage tank into a header pipe to supply two, parallel plumbed FRP filter vessels. Equipment Description. Multimedia System. 48” dia. FRP tank. 36” bed depth comprised of #16 Garnet, #50 Garnet, 20x40 mesh sand and anthracite. ...
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Preparation of xanthated bentonite and its removal behavior for Pb(II) ions
Xanthate was successfully grafted onto bentonite by a relatively simple solution reaction. The obtained xanthated bentonite (XBent) was characterized by FT-IR spectrophotometer, thermogravimetric analysis (TG), particle size analysis, x-ray diffraction (XRD) and scanning electron microscopy (SEM). XBent acting as a type of environmentally friendly adsorbent was applied to remove lead ions from ...
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Modeling the influence of physicochemical properties on gold nanoparticle uptake and elimination by Daphnia magna
Monitoring the distribution and subsequent effects of nanoparticle (NP) contaminants in aquatic ecosystems will be pivotal to developing regulations that minimize their environmental footprint. This research focused on the link between NP characteristics and Daphnia magna body burden using gold NPs with different size, shape and surface charge configurations as model particles. Uptake followed ...
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Design parameter estimations for adjustable bubble size in bubble generating system
In this study, we developed a customized low cost and low energy bubble generator that can control bubble size. Hence, it can be used not only in the water treatment process but also in various other processes. This device was able to generate bubbles with a very simple system using only a general pump and a mixing chamber. Increasing the number of partition walls in the mixing chamber ...
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