Showing results for: particle analyzer Articles
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The wear properties of nuclear grade graphite IG-11 under different loads
The influence of normal load on wear performance of graphite used in a 10 MW high temperature gas-cooled reactor was investigated. The experiments included the wear between graphite and graphite specimens, and the wear between graphite and stainless steel specimens. The worn surfaces and abrasive particles were analysed with SEM and the wear mechanism was discussed. The sizes of abrasive ...
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Particle shape factors and their use in image analysis - part 1
Fine panicles are often characterized by their particle size and distribution as determined by various analytical instruments. Particle shape may be just as important as particle size. Particle shape, however, is often ignored or disregarded. Image analysis is a technique capable of measuring particle shape factors and providing valuable information. These shape factors may dictate the behavior ...
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Dynamic Light Scattering (DLS)
Dynamic light scattering (DLS), also known as photon correlation spectroscopy (PCS), is a commonly used characterization method for nanoparticles. DLS particle size analyzer has the advantages of accuracy, rapidity, and good repeatability. With the update of the instrument and the development of data processing technology, the current dynamic light scattering instrument not only has the ...
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Nanoptic
Introduction of Nanoptic Series Nanoparticle Size Analyzer Nanoptic Series nanoparticle size analyzer also include only one model – Nanoptic 90 DLS nano particle size analyser. Nanoptic 90 works based on the dynamic light scattering theory. It is an ideal tool for particle size measurement of proteins, colloids, emulsions, CMPs, inkjet inks, and a variety of nanoparticles. As the leading ...
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Simulation of food mastication based on discrete element method
The information on mastication and food sensory properties is usually collected by recording people's ingesting and chewing actions using electromyography, fluorography, cinephotography, videofluorography, ultrasonography, magnetic resonance imaging and so on. The process of human food mastication and swallowing is investigated by Discrete (or Distinct) Element Method (DEM) in this work. The ...
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Seasonal size distributions of suspended solids in a stormwater management pond
ABSTRACTThree seasonal surveys of suspended solids were carried out in an on-stream stormwater management pond, by means of a submersible laser particle size analyser. Size distributions were measured at up to 17 points in the pond, and water samples collected at the same locations were analysed for primary particles aggregated in flocs. Observed suspended solids were mostly composed of flocs, ...
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BeDensi T Series
Tapped Density Meter BeDensi T series Tapped Density Meter Apparatus includes BeDensi T1 (one cylinder), BeDensi T2 (two cylinders) and BeDensi T3 (three cylinders). T2 and T3 can measure Tapped Density for 2 or 3 powder samples simultaneously. BeDensi T series tap density analyzer is compliant per international standard ISO3953: 1993 and the United States Pharmacopeia for drug Tapped Density ...
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Nuclear Materials | Identification of isotopically rich materials using bulk composition mass spectra
The isotopic sensitivity, and ability to analyse small particles, makes SIMS the ideal technique for the study of nuclear materials. The spectrum below was measured from a uranium containing glass (under 1% wt.) using a 5keV oxygen primary ion beam and 500eV electron beam charge compensation. The 235U fraction is determined to be 0.55 ±0.02%; less than the 0.72% abundance expected from ...
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Synthesis and characterisation of superparamagnetic Fe
3O4–SiO2nanoparticles and modThe superparamagnetic nanoparticles (Fe3O4) were prepared by co–precipitation method, then the biocompatible silicon dioxide (SiO2) was coated on the surface of these Fe3O4 nanoparticles (designated as Fe3O4–SiO2) by using the sol–gel method. In order to graft chitosan on the surface of Fe3O4–SiO2 particles, the surface modifier γ–glycidoxypropyl–trimethoxysilane (GPTMS) was first grafted on the ...
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Nanoptic 90 Nano-particle Size Analyzer
Nanoptic 90 is a nanoparticle analyzer based on the well-known technique of dynamic light scattering (DLS). Nanoptic 90 can measure nano materials with size down to 1nm. The high-power long lifetime laser and high sensitivity PMT provide Nanoptic 90 the ability to demonstrate rapid and accurate testing results. Measurement: Particle size Particle size range: 1 to 9500nm Dispersion type: Wet ...
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Synthesis of nano grade ?–ferric oxide and evaluation of its catalytic properties
Ferric oxide is a well–known catalyst for the thermal decomposition of ammonium perchlorate and hence it is extensively used as ballistic modifier for ammonium perchlorate based composite solid propellants. The particle size of conventional propellant grade ferric oxide was reduced to nano levels by continuous ball milling using a planetary ball mill employing zircon balls in isopropyl alcohol. ...
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Laser Diffraction
Particle size measurement using static light scattering The particle size distribution as a parameter to specify a powder or dispersion plays a central role in many applications. Examples are construction material (sands, cements), pharmaceutical development, lime stones, ceramics, colored pigments, fertilizers, emulsions and may more. The range of applications is increasing permanently and hence ...
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BT Online1 Laser Particle Size Analyzer
BT-Online1 Online Particle Size Analyzer is an on-line particle size monitoring system for real-time particle size monitoring and control in powder manufacturing industries. Driven by Standard Operation Procedure (SOP), it automatically samples, measures, recovers and processes data directly from the powder delivery pipeline, providing 24-hour particle size detection and control for a variety of ...
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Development of dry deposition velocity model for a typical medium level Indian city Karaikudi
In this study, day and night dry deposition samples were collected with Eagle II arrangement of dry deposition plates. Karaikudi, one of the medium level city in India has been the chosen as area of study. Sampling locations were classified as zone1, zone2 and zone3. Wind speed was also recorded during sampling. Particle size was determined by using X–ray diffractometer (XRD). Relation between ...
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Old container, new station: WS600 part of air quality measurement system in Kutaisi - Case Study
An AQM station including a Lufft WS600 all-in-one weather sensor was installed by our local system integrator ELKO LLC in Kutaisi, Georgia in May 2017. It was mounted on an existing measurement container provided by the customer LEPL National Environmental Agency. The system consists of a Fidas® 200 fine dust monitor and immission measurement system detecting PM2.5 and PM10 particles from ...
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Old container, new station: WS600 part of air quality measurement system in Kutaisi - Case Study
An AQM station including a Lufft WS600 all-in-one weather sensor was installed by our local system integrator ELKO LLC in Kutaisi, Georgia in May 2017. It was mounted on an existing measurement container provided by the customer LEPL National Environmental Agency. The system consists of a Fidas® 200 fine dust monitor and immission measurement system detecting PM2.5 and PM10 particles from ...
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Ultrasonic irradiation of activated industrial sludge
Sludge is a by-product of wastewater treatment and contains multitude of pollutants. In the present study, irradiation with ultrasound as treatment technique was carried out to treat complex effluent paper sludge, sugar sludge and sewage sludge samples from different industrial places. Wastewater samples were treated in ultrasonic bath at 25 kHz for different time periods of 5 min, 10 min, 20 min ...
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Advanced Data Analysis Strategies for Understanding Particle Contamination in Chemical Distribution Systems
Abstract Advanced data analysis techniques can be implemented to quantitatively assess particle contamination data in state-of-the-art chemical distribution systems. Through examining the distribution of the rate of particle detection compared to Poisson’s distribution, it is possible to determine if particle variations are random or systematic and allow for the focus of improvement ...
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HFlow 1
Metal Powder Flowability Tester HFlow-1 powder flowability tester tests the flowability of metal powder by measuring whether the sample can flow through the 2.5mm standard funnel. The design and production of HFlow-1 Hall flow meter is based on the Chinese national standard GB / T1482-2010 and international standards ISO4490-2008. Measurement: Powder flowability Testing sample: metal powder ...
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BeDensi B1
Bulk Density Tester BeDensi B1 bulk density testing equipment adopts natural deposition method. Its manufacturing standard meets the criterion of GB / T16913.3-1997- Part III: Determination of bulk density. Measurement: Bulk density Testing sample: except for metal powder Technology: natural deposition Bettersize has become a significant player in the particle sizing business since 1995. We are a ...
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