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Artykuły w czasopismach na temat „Exposure parameters”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 19 lipca 2025

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1

K., Sunita. "HEMATOLOGICAL ALTERATIONS AFTER EXPOSURE PEROIDS OF ACEPHATE IN FRESHWATER SNAKE HEADED FISH, CHANNA PUNCTATA." International Journal of Zoology and Applied Biosciences 3, no. 4 (2018): 302–11. https://doi.org/10.5281/zenodo.1322891.

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The present study assesses the acute toxicity and behavioral alterations due to Acephate, an organophosphate pesticide on Channa punctata. The sublethal concentration of Acephate is 910 mg/L. In the present study the alterations in the hematological profiles were investigated in C. punctata after exposure to lethal and sublethal exposures of Acephate. The values of different blood parameters after toxicant exposure and percent changes over control were presented. Toxicants mainly act on circulatory system and show major impact on blood parameters. Hence, our present study revealed the effect o

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Duty, Susan M., Manori J. Silva, Dana B. Barr, et al. "Phthalate Exposure and Human Semen Parameters." Epidemiology 14, no. 3 (2003): 269–77. http://dx.doi.org/10.1097/01.ede.0000059950.11836.16.

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Tiitola, M., T. Vehmas, R. P. Kivisaari, and L. Kivisaari. "Optimising imaging parameters in experimental spiral CT." Acta Radiologica 38, no. 5 (1997): 913–17. http://dx.doi.org/10.1080/02841859709172435.

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Purpose: This in vitro study was conducted to analyse lesion detection and relative radiation exposure in different CT techniques. Material and Methods: We used a plastic phantom (12x8x2 cm) containing holes filled with air or fluid of varying densities to simulate lesions. This was imaged with Siemens Somatom Plus S and GE High Speed Advantage units. We varied table feeds (3 and 6 mm/s in Siemens and 3 and 4.5 mm/s in GE) and increments (2 mm and 4 mm) while keeping collimation at 3 mm. The Smartscan program of GE and the reformatting algorithm of Siemens were also analysed. To evaluate the d

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Bahri, P., B. B??gaud, and N. Moore. "Exposure Data for Pharmacovigilance - Methods and Parameters." Drug Safety 29, no. 10 (2006): 911–1010. http://dx.doi.org/10.2165/00002018-200629100-00077.

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Emmett, Edward A. "Community exposure to PFOA and health parameters." Reproductive Toxicology 27, no. 3-4 (2009): 411. http://dx.doi.org/10.1016/j.reprotox.2008.11.009.

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Robbins, Wendie A., Lin Xun, Juan Jia, Nola Kennedy, David A. Elashoff, and Liu Ping. "Chronic boron exposure and human semen parameters." Reproductive Toxicology 29, no. 2 (2010): 184–90. http://dx.doi.org/10.1016/j.reprotox.2009.11.003.

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Viegas, Olga, Mafalda Prucha, Vural Gökmen, and Isabel M. P. L. V. O. Ferreira. "Parameters affecting 5-hydroxymethylfurfural exposure from beer." Food Additives & Contaminants: Part A 35, no. 8 (2018): 1464–71. http://dx.doi.org/10.1080/19440049.2018.1483584.

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Nelson, B. K. "Selecting exposure parameters in developmental neurotoxicity assessments." Neurotoxicology and Teratology 13, no. 6 (1991): 569–73. http://dx.doi.org/10.1016/0892-0362(91)90039-y.

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Hirata, M., and H. Kosaka. "Effects of Lead Exposure on Neurophysiological Parameters." Environmental Research 63, no. 1 (1993): 60–69. http://dx.doi.org/10.1006/enrs.1993.1127.

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10

Pôrto, Larissa Bertollo Gomes, and Adriana Pavesi Arisseto Bragotto. "Food Colors’ Dietary Exposure in the Brazilian Population Using the 2008–2009 and 2017–2018 POF Food Consumption Databases." Foods 13, no. 24 (2024): 4006. https://doi.org/10.3390/foods13244006.

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Two out of the four steps of risk assessment for chemical substances in food, i.e., exposure assessment and risk characterization, merit regional evaluation based on current legislation and local food consumption data. Therefore, mean and high exposures to food colors were estimated in Brazil using a conservative approach to screen substances with a higher risk of the exceedance of safety parameters. Brazilian National Consumption Surveys from the Household Budget Surveys (POF—Pesquisa de Orçamentos Familiares) from 2008–2009 and 2017–2018 were combined with the maximum permitted levels of 33

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11

Kumurya, A.S., Bitet, D. E., and Garba, A. "Semen Parameters: A Review." UMYU Journal of Microbiology Research (UJMR) 3, no. 2 (2018): 72–81. http://dx.doi.org/10.47430/ujmr.1832.012.

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The World Health Organization (WHO) provides guidelines for assessing the various semen variables. Semen analysis is one of the most important predictive values of male infertility. Semen consists of spermatozoa suspended in a fluid medium referred to as seminal plasma. This review describe Semen parameters which include appearance (color), volume, pH, motility, morphology, viability, concentration, liquefaction, viscosity, presence of WBC and fructose level. These parameters have been found to be important determinant of functional competence of the spermatozoa. More than 90% of male infertil

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12

Mustafa, Bestoon T., Sardar P. Yaba, and Asaad H. Ismail. "Moderate Range Static Magnetic Field Promoted Variation of Blood Parameters: An In vitro Study." ARO-THE SCIENTIFIC JOURNAL OF KOYA UNIVERSITY 8, no. 1 (2020): 55–64. http://dx.doi.org/10.14500/aro.10612.

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This study was undertaken to investigate the influence of a homogenous and uniform static magnetic field (SMF) on the main blood cell counts in vitro experiment. Fresh blood samples were collected from albino rats and exposed to SMF (2.4, 6, 25, 50, 75, and 100 mT) versus 15–60 min. Results showed a significant change of blood counts under the low field effects. A 2.4 mT was a trend of white blood cells (WBCs) count increase non-linearly. However, a 6 mT exposure reduced WBCs with about 39%. Other variations fluctuated within 30%. The 25 mT decreased red blood cells (RBCs), hemoglobin, and hem

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13

Engelsman, Michelle, Leisa-Maree L. Toms, Xianyu Wang, Andrew P. W. Banks, and Debbie Blake. "Effects of firefighting on semen parameters: an exploratory study." Reproduction and Fertility 2, no. 1 (2021): L13—L15. http://dx.doi.org/10.1530/raf-20-0070.

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Lay summary Firefighters are occupationally exposed to heat intensities and chemical concentrations that may affect fertility. Twenty firefighters participated in an exploratory study assessing fertility of firefighters via an online survey and semen analysis. Data analysis included consideration of demographic characteristics, reproductive history and occupational exposures. Overall, firefighter semen parameters were below World Health Organisation reference values designating fertility in men. Firefighters younger than 45 years had a higher incidence of abnormal semen parameters (42%) than t

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14

Tenga, Albert Z., Beverley Hale, and Douglas P. Ormrod. "Growth responses of young cuttings of Populus deltoides × nigra to ozone in controlled environments." Canadian Journal of Forest Research 23, no. 5 (1993): 854–58. http://dx.doi.org/10.1139/x93-111.

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Controlled-environment facilities were used to determine the growth response of hybrid poplar using concentrations and exposure frequencies of ozone (O3) that mimic ambient patterns. Young cuttings of Populusdeltoides × nigra were exposed to daily bell-shaped concentration profiles of O3 with four peak concentrations and two exposures per week for 1 to 4 weeks. Exposure to O3 initially stimulated height growth rate, but repeated exposure resulted in decreases in height growth rate. Stem diameter growth rate decreased with increasing O3 concentration. Leaf greenness decreased with repeated expo

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15

Günbey, Emre, Rıfat Karlı, and Recep Ünal. "Impact of odor exposure time on olfactory parameters." ENT Updates 5, no. 2 (2015): 76–81. http://dx.doi.org/10.2399/jmu.2015002006.

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16

Forsberg, Hans. "Clinically Acceptable Tolerance of Roentgen Generator Exposure Parameters." Acta Radiologica 28, no. 1 (1987): 121–27. http://dx.doi.org/10.3109/02841858709177320.

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Forsberg, H. "Clinically Acceptable Tolerance of Roentgen Generator Exposure Parameters." Acta Radiologica 28, no. 1 (1987): 121–27. http://dx.doi.org/10.1177/028418518702800124.

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The clinical demands for accuracy of roentgen generator scales were investigated in order to define suitable levels of tolerance to be required during calibration procedures and preventive maintenance on modern equipment. Radiographs of various film densities were made of four body parts. As test observers 59 radiologists and 53 radiologic technicians were asked to judge which radiographs they considered acceptable or not acceptable. Ninety-five per cent of the radiographs were accepted with the ***under- or overexposure of one mAs step. The spread of the estimations of suitable exposure data

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18

Keil, C. B. "Experimental Measurements of Near-Source Exposure Modeling Parameters." Journal of Occupational and Environmental Hygiene 12, no. 10 (2015): 692–98. http://dx.doi.org/10.1080/15459624.2015.1029619.

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19

Habibi, M., N. Kollaros, P. Karyofyllis, I. Mastorakou, and V. Voudris. "Factors affecting exposure parameters during diagnostic coronary catheterization." Physica Medica 32 (September 2016): 259. http://dx.doi.org/10.1016/j.ejmp.2016.07.558.

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Bunzel, Katja, Matthias Liess, and Mira Kattwinkel. "Landscape parameters driving aquatic pesticide exposure and effects." Environmental Pollution 186 (March 2014): 90–97. http://dx.doi.org/10.1016/j.envpol.2013.11.021.

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Chen, Shu-Ying, and Shing-Hwang Doong. "Predicting item exposure parameters in computerized adaptive testing." British Journal of Mathematical and Statistical Psychology 61, no. 1 (2008): 75–91. http://dx.doi.org/10.1348/000711006x129553.

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Swaen, Gerard M. H., Ludovic van Amelsvoort, Johannes J. Twisk, et al. "Low level occupational benzene exposure and hematological parameters." Chemico-Biological Interactions 184, no. 1-2 (2010): 94–100. http://dx.doi.org/10.1016/j.cbi.2010.01.007.

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Bosner-Cucančić, B., Lj Skender, V. Karačić, and D. Prpić-Majić. "Effects of occupational styrene exposure on hematological parameters." Toxicology Letters 74 (August 1994): 9. http://dx.doi.org/10.1016/0378-4274(94)90228-3.

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Svenson, Björn, Ulf Welander, Göran Anneroth, and Björn Söderfeldt. "Exposure parameters and their effects on diagnostic accuracy." Oral Surgery, Oral Medicine, Oral Pathology 78, no. 4 (1994): 544–50. http://dx.doi.org/10.1016/0030-4220(94)90050-7.

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Osahon, O. David, and Lateef Bamidele. "Evaluation of Radiation Doses from Paediatric Chest X-ray Examination at Three Hospitals in South-West Nigeria." Physical Science International Journal 15, no. 2 (2017): 1–6. https://doi.org/10.9734/PSIJ/2017/34269.

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The aim of this study is essentially to evaluate radiation doses to paediatric patients who were referred for chest X-ray examination between April, 2015 and December, 2016 in three hospitals South-West, Nigeria. The methodology employed in this study involved measurements based on the use of exposure parameters to determine Entrance Surface Dose (ESD). A total of one hundred (100) paediatric patients randomly chosen were included in this study. ESD was determined from exposure parameters using dose calculation software (Dosecal). The results of this study show that the range of Entrance Surfa

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26

Booysen, Susan. "political world within the parameters of SABC politics." Communicare: Journal for Communication Studies in Africa 7, no. 2 (2022): 24–37. http://dx.doi.org/10.36615/jcsa.v7i2.2067.

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Political events are crucial in the political resocialisation of the youth. In this article the impact of the political unrest in the mid-1980s on the political consciousness of the Afrikaner student youth is investigated. Through a panel study of students of the Rand Afrikaans University in Johannesburg, South Africa, trends in exposure to political events were established. Exposure occurs through direct political participation, political discourse or through the mass media. The important role of the mass media for exposure of these youths is illuminated. Attention is also focused on which me

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27

Monchaux, Georges. "Risk of fatal versus incidental lung cancer in radon-exposed rats: A reanalysis of French data." Archive of Oncology 12, no. 1 (2004): 7–12. http://dx.doi.org/10.2298/aoo0401007m.

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This review summarizes data on lung cancer risk from radon experimental studies performed by our group in France with emphasis on the most recent findings and analyses on the influence of dose-rate and that of fatal versus incidental tumors. A dose-effect relationship was established in rats, which was very similar for medium and high cumulative exposures, to that observed in uranium miners. At low cumulative exposures in the range of 0.18 Jhm-3 (50 WLM) to 0.36 Jhm-3 (100 WLM), the proportion of fatal lung cancer is about 80% that of total lung cancers. In contrast, at cumulative exposures of

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28

Sathick, O. "TOXICITY OF MONOCROTOPHOS AND THEIR EFFECTS ON HAEMATOLOGICAL PARAMETERS OF MARINE FISH MUGIL CEPHALUS." International Journal of Zoology and Applied Biosciences 3, no. 4 (2018): 327–31. https://doi.org/10.5281/zenodo.1339652.

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The haematological parameters of Mughil cephalus were investigated after exposing the fish to the sublethal concentrations of (1/10, 1/30 of 96h LC50) monocrotophos. The 96h LC50 value of the monocrotophos during acute exposure was found to be 0.0038 ppm. Exposure of the fish to monocrotophos showed a significant decrease in RBC and haemoglobin (Hb) content at the end of 30th day as compared to control whereas the WBC increased significantly, with the increase in exposure periods.

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Brucka-Jastrzębska, Ewa, and Mikołaj Protasowicki. "Effects of cadmium and nickel exposure on haematological parameters of common carp, Cyprinus carpio L." Acta Ichthyologica et Piscatoria 35, no. 1 (2005): 29–38. http://dx.doi.org/10.3750/aip2005.35.1.04.

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Wenlock, M. C. "Oral drug suitability parameters." MedChemComm 9, no. 3 (2018): 460–70. http://dx.doi.org/10.1039/c7md00586e.

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Assessing the oral drug suitability of compounds as early as possible is an important objective in drug discovery. Two new oral drug suitability parameters are proposed to facilitate the ranking of compounds with respect to dose and in vivo exposure.

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Amine, Ines, Alicia Guillien, Claire Philippat, et al. "Environmental exposures in early-life and general health in childhood." Environmental Health 22, no. 1 (2023): 53. https://doi.org/10.1186/s12940-023-01001-x.

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<strong>Background: </strong>Early-life environmental exposures are suspected to be involved in the development of chronic diseases later in life. Most studies conducted so far considered single or few exposures and single-health parameter. Our study aimed to identify a childhood general health score and assess its association with a wide range of pre- and post-natal environmental exposures.<strong>Methods: </strong>The analysis is based on 870 children (6–12 years) from six European birth cohorts participating in the Human Early-Life Exposome project. A total of 53 prenatal and 105 childhood

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Verberk, Maarten M. "Biomarkers of exposure versus parameters of external exposure; practical applications in estimating health risks." Toxicology 101, no. 1-2 (1995): 107–15. http://dx.doi.org/10.1016/0300-483x(95)03024-a.

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Fonseca, A., S. F. Neves, and J. B. L. M. Campos. "Thermal performance deterrence caused by PCM inclusion in firefighting garments: The other side of the story." Journal of Physics: Conference Series 2116, no. 1 (2021): 012018. http://dx.doi.org/10.1088/1742-6596/2116/1/012018.

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Abstract Firefighters usually encounter high heat flux exposures, which can cause severe burns. The addition of a phase change material (PCM) layer into a firefighting garment assembly has proven to be beneficial as it lowers the garments temperature during the fire exposure. However, after the fire exposure, accumulated heat in the PCM garment is discharged towards skin and environment which can have a negative influence on thermal performance. In this study, a one dimensional numerical approach was used to study the effect of environment parameters (ambient convective heat flux) as well as P

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Gerlich, Jessica, Johan Ohlander, Hans Kromhout, et al. "Cumulative occupational exposure to gases and fumes is associated with impairment in lung function and disease-related quality of life in a German COPD patient cohort." Occupational and Environmental Medicine 81, no. 1 (2023): 26–33. http://dx.doi.org/10.1136/oemed-2023-108908.

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ObjectivesThe impact of occupational exposures on lung function impairments and quality of life (QoL) in patients with chronic obstructive pulmonary disease (COPD) was analysed and compared with that of smoking.MethodsData from 1283 men and 759 women (Global Initiative for Chronic Obstructive Lung Disease (GOLD) grades 1–4 or former grade 0, without alpha-1-antitrypsin deficiency) of the COPD and Systemic Consequences Comorbidities Network cohort were analysed. Cumulative exposure to gases/fumes, biological dust, mineral dust or the combination vapours/gases/dusts/fumes was assessed using the

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Jónsson, Á., K. Herrlin, K. Jonsson, B. Lundin, J. Sanfridsson, and H. Pettersson. "Radiation Dose Reduction in Computed Skeletal Radiography." Acta Radiologica 37, no. 1P1 (1996): 128–33. http://dx.doi.org/10.1177/02841851960371p127.

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Purpose: To evaluate the effect of radiation dose reduction on image quality in computed musculoskeletal radiography and determine optimal exposure range. Material and Methods: In 11 corpses, 1 hand and 1 hip were examined with film-screen radiography, and a series of computed radiographs was obtained using exactly the same technique except for the exposure, which was 100, 50, 25, 12.5, 6.25, and 1.56% of the mAs numbers used for the film-screen images. The computed hip radiographs were processed in 2 different ways, one simulating the film-screen images and one using contrast enhancement. Fou

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Singh, Akanksha, and Kaneez Zahra. "Effect of garlic extract on mortality and biochemical parameters of fresh water fishes Heteropneustes fossilis against Cypermethrin." Journal of Drug Delivery and Therapeutics 9, no. 2 (2019): 14–19. http://dx.doi.org/10.22270/jddt.v9i2.2365.

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To find out the effect of garlic extract (GE) on mortality different concentrations of GE (1ml/l, 2ml/l, 5ml/l & 10ml/l) were administered along with the LC50 values of cypermethrin after 24, 48, 72 & 96 h exposures and 10 ml/l of GE was found to be effective at which no mortality occurred. To analyze the effect of GE on biochemical parameters after acute exposure of cypermethrin, fishes were divided into 4 groups of 10 fishes each. Ist group served as control, IInd, IIIrd and IVth group were treated with toxicant (24h LC50), GE (10ml/l) and toxicant + GE respectively. Same protocol wa

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Hlisníková, Henrieta, Branislav Kolena, Miroslava Šidlovská, Miloš Mlynček, and Ida Petrovičová. "Urinary Phthalate Biomarkers during Pregnancy, and Maternal Endocrine Parameters in Association with Anthropometric Parameters of Newborns." Children 9, no. 3 (2022): 413. http://dx.doi.org/10.3390/children9030413.

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Adverse birth outcomes present risk factors resulting in neonatal morbidity and mortality. Sufficient maternal hormonal concentrations are crucial for normal foetal development. Previous studies have shown a relationship between phthalate exposure and maternal hormonal levels during pregnancy. This study aims to investigate if neonatal anthropometric parameters are associated with maternal endocrine parameters during the ≤15th week of gestation and the third trimester of pregnancy concerning phthalate exposure in pregnant women from Nitra, Slovakia. We used high-performance liquid chromatograp

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Acho, Sussan N., Caroline Stofile, Mia Moller, and Michaella Morphis. "VERIFICATION AND OPTIMISATION OF PRESELECTED EXPOSURE PARAMETERS IN SCREENING MAMMOGRAPHY: A CENTRAL COMPOSITE DESIGN METHODOLOGY." Radiation Protection Dosimetry 188, no. 3 (2020): 332–39. http://dx.doi.org/10.1093/rpd/ncz291.

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Abstract In screening mammography, the automatic exposure control (AEC) device selects the optimum exposure parameters for each patient exposure. In practice, this device is calibrated to deliver an optimum figure of merit (FOM) for each set of exposure parameters. This study utilises the central composite design methodology to verify the operating level of the AEC performance for polymethyl methacrylate (PMMA) thicknesses of 4 and 5 cm. Quadratic surface plots reveal that the exposure parameters of the default AEC mode are optimised for the 4-cm thickness of the PMMA. However, the exposure pa

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Siani, A. M., G. R. Casale, H. Diémoz, et al. "Personal UV exposure on a ski-field at an alpine site." Atmospheric Chemistry and Physics Discussions 8, no. 1 (2008): 2745–69. http://dx.doi.org/10.5194/acpd-8-2745-2008.

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Abstract. Mountain sites experience enhanced ambient UV radiation levels due to the concurrent effects of shorter radiation path-length, low aerosol load and high reflectivity of the snow surfaces. This study was encouraged by the possibility to collect data of personal UV exposure in the mountainous areas of Italy, for the first time. Personal UV exposure (expressed in terms of Exposure Ratio, ER) of two groups of volunteers (ski instructors and skiers) at the Alpine site of La Thuile (Valle d'Aosta region, Italy) was assessed using polysulphone dosimetry which was tested in a mountainous sno

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A., Amsath. "EFFECT OF ARSENIC ON HAEMETOLOGICAL PARAMETERS OF FRESHWATER FISH, CHANNA PUNCTATUS (BLOCH)." International Journal of Zoology and Applied Biosciences 2, no. 3 (2017): 117–21. https://doi.org/10.5281/zenodo.1311725.

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The study was conducted to investigate the effect of sublethal concentration of heavy metal Arsenic (NaAsO2) exposure on haematological parameters such as red blood cells (RBC), Haemoglobin (Hb), white blood cells (WBC) and clotting time (CT) in the blood of fresh water fish, Channa punctatus. The present study shows the level of RBC and Hb were significantly decreased simultaneously the WBC significantly increased due to arsenic exposure. While the clotting time also increased with exposure. Thus the present study concludes that the hematological parameters of fish of Channa punctatus affecte

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Nussbaum, Justin, and Nathan B. Crane. "Evaluation of processing variables in polymer projection sintering." Rapid Prototyping Journal 24, no. 5 (2018): 880–85. http://dx.doi.org/10.1108/rpj-04-2017-0070.

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Purpose Projection sintering, a system for selectively sintering large areas of polymer powder simultaneously with a high-power projector is introduced. This paper aims to evaluate the suitability of laser sintering (LS) process parameters for projection sintering, as it uses substantially lower intensities, longer exposure times and larger areas than conventional LS. Design/methodology/approach The tradeoffs in sintering outcomes are evaluated by creating single layer components with varied exposure times and optical intensities. Some of these components were cross-sectioned and evaluated for

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Simescu, M., C. Podia Igna, E. Nicolaescu, et al. "Multiple pesticides exposure of greenhouse workers and thyroid parameters." International Journal of Sustainable Development and Planning 9, no. 1 (2014): 15–28. http://dx.doi.org/10.2495/sdp-v9-n1-15-28.

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Williams, Mark B., Priya Raghunathan, Mitali J. More, et al. "Optimization of exposure parameters in full field digital mammography." Medical Physics 35, no. 6Part1 (2008): 2414–23. http://dx.doi.org/10.1118/1.2912177.

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Oh, Junyoung, Eun-Jin Park, Seongeun Kang, and Seungheon Lee. "Exposure to Dithiopyr Alters Swimming Performance Parameters in Zebrafish." Journal of Life Science 26, no. 2 (2016): 181–89. http://dx.doi.org/10.5352/jls.2016.26.2.181.

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Tuschl, Helga, Ferdinand Steger, and R. Kovac. "Occupational Exposure and Its Effect on Some Immune Parameters." Health Physics 68, no. 1 (1995): 59–66. http://dx.doi.org/10.1097/00004032-199501000-00007.

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