tin filter products
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OBJECTIVE. The objective of this study was to investigate the effect on radiation dose and image quality of the use of additional spectral filtration for dual-energy CT using dual-source CT (DSCT). MATERIALS AND METHODS. A commercial DSCT scanner was modified by adding tin filtration to the high-kV tube, and radiation output and noise were measured in …
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Tin filter protocols (protocols 1–3) showed lower cortical attenuation (difference, ≈ 300 HU) than the 100-kV protocols without additional filtering (protocols 4 and 5). ... This decrease must be compensated by a substantial increase of the tube current–time product (measured in milliampere seconds); with the protocols used in this …
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The Tin Filter cuts out lower energies to reduce dose and optimize image quality at the interface between soft tissue and air. This has direct benefits in lung and colon imaging, for example. Clinical experience also shows that …
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Radiation dose ranged from 17.4 mGy in the clinical standard protocol without tin filter to as low as 0.7 mGy with tin prefiltration. Image quality ratings and CNR for tin-filtered scans with 100 kV were lower than for 80 kV studies with copper prefiltration despite higher dose (11.2 and 5.6 vs. 4.5 mGy; p < 0.001).
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By adding a tin filter to a 150 kVp scan protocol, the mean weighted energy is increased by 37% (98.6 keV) compared to standard 150 kVp imaging. 9 Therefore, spectral shaping via tin prefiltration is nowadays considered a standard procedure, especially for low-dose lung imaging10, 11, 12. In addition to dose saving, the hardened photon spectrum ...
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OBJECTIVE. The purpose of this study was to assess the performance of tin filter–based spectral shaping CT compared with routine low-dose CT for detection of urolithiasis. MATERIALS AND METHODS. Unenhanced third-generation dual-source CT scans of 129 consecutively registered patients were retrospectively reviewed: 43 patients …
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Sintered metal filters are used extensively in Chemical Processing, Power Generation, Petroleum Refining, Pharmaceutical Manufacturing, Food & Beverage & OEM applications. We offer the widest array of porous …
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Porous Metal Filters (PMF) offers an extensive line of high-quality, woven wire cloth products and diffusion bonded (sintered metal) porous metal laminates. We are …
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Abstract. This specification covers a group of common requirements which shall apply to tin mill products. The steel shall be made by the open-hearth, electric-furnace, or basic-oxygen process. The steel shall conform to specified chemical composition requirements. Rockwell 30T hardness test shall be done to the plates.
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CTDI Vol = computed tomography dose index, DLP = dose length product, # = number. ... Ultra-low dose tin filter protocols (Sn 100/25, Sn 100/50) with CTDI Vol of 0.2 mGy and 0.4 mGy were rated worst (median: 4, IQR 1), therefore found insufficient for clinical usage and thus excluded from further analysis. Additionally, more than 10% of the ...
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This study aims streak artifacts reduction in cone-beam computed tomography (CBCT) by mounting tin filters at the Trilogy system. An anthropomorphic phantom with insertions of aluminum and titanium rods was scanned using the standard dose head (SDH) and high-quality head (HQH) CBCT protocols with no tin filters as well …
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We use wire mesh cloth, perforated metal or expanded metal to manufacture your strainers, which can be made in a variety of configurations, such as basket, simplex basket, duplex …
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Produce a stream of air down a doorway or other opening to keep out dust, dirt, insects, and fumes while allowing personnel to pass through. Choose from our selection of metal air …
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Purpose To differentiate proxy renal cystic lesions containing protein, blood, iodine contrast or saline solutions using dual-energy CT (DECT) equipped with a new tin filter technology (TFT). Materials and methods 70 proxies (saline, protein, blood and contrast agent) were placed in unenhanced and contrast-enhanced kidney phantoms. …
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The Tin Filter cuts out lower energies to reduce dose and optimize image quality at the interface between soft tissue and air. This has direct benefits in lung and colon imaging, …
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COMPANY INTRODUCTION. "We go right to your place, conduct survey, consult and supply products to your production line.". Dat Tin Industrial Filtration Co., Ltd. was established in 2010, with the objective of replacing imports, self-producing all types of dust filter bags, liquid filter bags and filter bag frames (filter bags cage) for ...
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Filter Products. roasting tin 25 results Sort by: $ 3. 99. Handi-foil® Eco-Foil® Giant Rack Roaster Pan - Silver. 1 ct. Sign In to Add $ 24. 99. Martha Stewart Aluminum Roaster Pan. 12 x 8.75 in. Sign In to Add $ 380. 83. DPK Aluminum Oval Roaster Pan - 100 per Case ...
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The volume CT dose index (CTDIvol) and dose length product (DLP) for each scan were obtained from the patient dose reports. The effective dose (ED) was calculated by multiplying the DLP by the conversion factor (0.014 mSv/mGy·cm). ... In the tin filter groups, the sensitivity, specificity, and accuracy for the diagnosis of malignancy …
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Aldrich - 265640; Tin powder, <150 μm, 99.5% trace metals basis; CAS No. ; catalyst | Find related products, papers, technical documents, MSDS & more at Sigma-Aldrich ... Active Filters. Active Filters 1 star Remove Filter 1 star
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The image quality in patients with ureteral stents with tin filtering is non-inferior to that in aconventional low-dose protocol. Citation Format Axer B, Garbe S, Hadizadeh DR. Comparative Evaluation of Diagnostic Quality in Native Low-dose CTwithout and with Spectral Shaping employing a Tin Filter in Urolithiasis with implanted Ureteral Stent.
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I have multiple really large .TIN files and am trying to filter the .tin's. I know how to use the DTM tool to filter .XYZ files, but am hoping there is a way to
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The tin filter, which shields the ... The fact that the noise was higher in group B for comparable effective tube current time products in all groups could be explained by the attenuation due to the tin filter, which leads to a reduction in the number of photons contributing to the image. Overall, we showed that the combination of low-dose CT ...
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Siemens Healthineers tin filtered 150 kvp Tin Filtered 150 Kvp, supplied by Siemens Healthineers, used in various techniques. Bioz Stars score: 86/100, based on 1 PubMed citations.
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Objectives To evaluate urinary stone detection, radiation exposure, image quality, breathing-motion artifacts, and scanning time with high-pitch tin filter-based abdominopelvic CT. Methods Sixty-three consecutive patients with urolithiasis underwent non-enhanced abdominopelvic CT with both regular (120 kV, pitch 0.6) and low-dose …
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Applies To Product(s): InRoads Version(s): 08.11.07+ Environment: N/A Area. The Difference Between the TIN and TILE filters in Data Acquisition. The Tile Filter uses an algorithm that divides the LIDAR data set into tiles. A best fit plane is calculated for each tile, and LIDAR points are removed if they fall within the user set Z tolerance to the plane.
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Additional to the overall amount of Xray intensity, the photon counting detector measures each incoming Xray photon individually (see Fig. 2).For being able to stop and detect all X-rays used in medical imaging, a fast semiconductor sensor is needed with a high stopping power, i.e. a high atomic number and therefore weight, like for example …
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TOPTITECH specializes in manufacturing industrial metal sintering products. We offer porous materials for oil, water treatment, chemical, food, energy and more, Focus on …
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Objectives To compare ultra-low-dose CT (ULD-CT) of the osseous pelvis with tin filtration to standard clinical CT (CT), and to assess the quality of computed virtual pelvic radiographs (VRs). Methods CT protocols were optimized in a phantom and three pelvic cadavers. Thirty prospectively included patients received both standard CT …
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