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https://www.readbyqxmd.com/read/28636488/workers-exposure-to-bioaerosols-from-three-different-types-of-composting-facilities
#1
Laetitia Bonifait, Geneviève Marchand, Marc Veillette, Hamza M'Bareche, Marie-Eve Dubuis, Carole Pépin, Yves Cloutier, Yves Bernard, Caroline Duchaine
Composting is a natural dynamic biological process used to valorise putrescible organic matter. The composting process can involve vigorous movements of waste material piles, which release high concentrations of bioaerosols into the surrounding environment. There is a lack of knowledge concerning the dispersal of airborne microorganisms emitted by composting plants (CP) as well as the potential occupational exposure of composting workers. The aim of this study was to investigate the workers exposure to bioaerosols during working activities in three different types of composting facilities (domestic, manure, carcass) using two different quantification methods (cultivation and qPCR) for bacteria and moulds concentrations...
June 21, 2017: Journal of Occupational and Environmental Hygiene
https://www.readbyqxmd.com/read/28635975/our-responsibility-to-our-research-participants
#2
Anne Katz
As the readers of this journal know all too well, conducting a study takes a lot of time, energy, commitment, and, most of all, work. I do not have to list the myriad steps that need to be taken, often with delays in between, to take a study from good idea to analysis. There are often sweat and tears, if not blood, and, at the end of the process, there may be exhaustion. Then the piles of paper and data-rich files languish on a desk or computer, never to see the light of day. Or, perhaps, a manuscript is written and submitted and then rejected or needs extensive revision...
May 1, 2017: Oncology Nursing Forum
https://www.readbyqxmd.com/read/28634596/study-on-drive-system-of-hybrid-tree-harvester
#3
Shen Rong-Feng, Zhang Xiaozhen, Zhou Chengjun
Hybrid tree harvester with a 60 kW diesel engine combined with a battery pile could be a "green" forest harvesting and transportation system. With the new design, the diesel engine maintains a constant engine speed, keeping fuel consumption low while charging the batteries that drive the forwarder. As an additional energy saving method, the electric motors work as generators to charge the battery pile when the vehicle moves downhill. The vehicle is equipped with six large wheels providing high clearance over uneven terrain while reducing ground pressure...
2017: TheScientificWorldJournal
https://www.readbyqxmd.com/read/28622847/historic-scale-and-persistence-of-drill-cuttings-impacts-on-north-sea-benthos
#4
Lea-Anne Henry, Dan Harries, Paul Kingston, J Murray Roberts
Despite its long history of hydrocarbon exploitation, the United Kingdom lacks scientific protocols to monitor ecological impacts of drill cuttings (mixtures between rocky material excavated from wells and drilling mud). The present study used the UK Benthos industry database to apply standardised variance partitioning and measure the scale and persistence of these effects at 19 sites across the UK sector of the North Sea. Generally, effects were limited to within 1 km from the platform, but two platforms historically drilled with oil-based mud were impacted up to 1...
May 31, 2017: Marine Environmental Research
https://www.readbyqxmd.com/read/28619108/scavenging-on-a-pulsed-resource-quality-matters-for-corvids-but-density-for-mammals
#5
Gjermund Gomo, Jenny Mattisson, Bjørn Roar Hagen, Pål Fossland Moa, Tomas Willebrand
BACKGROUND: Human food subsidies can provide predictable food sources in large quantities for wildlife species worldwide. In the boreal forest of Fennoscandia, gut piles from moose (Alces alces) harvest provide a potentially important food source for a range of opportunistically scavenging predators. Increased populations of predators can negatively affect threatened or important game species. As a response to this, restrictions on field dressing of moose are under consideration in parts of Norway...
June 15, 2017: BMC Ecology
https://www.readbyqxmd.com/read/28618820/onset-of-barotrauma-injuries-related-to-number-of-pile-driving-strike-exposures-in-hybrid-striped-bass
#6
Brandon M Casper, Michele B Halvorsen, Thomas J Carlson, Arthur N Popper
Previous studies exploring injury response to pile driving in fishes presented exposure paradigms (>900 strikes) that emulated circumstances where fish would not leave an area being ensonified. Those studies did not, however, address the question of how many strikes are needed before injuries appear. Thus, the number of strikes paired with a constant single strike sound exposure level (SELss) that can cause injuries is not yet clear. In order to examine this question, hybrid striped bass (white bass Morone chrysops × striped bass Morone saxatilis) were exposed to 8-384 strikes in three different SELss treatments that generated different cumulative sound exposure level values...
June 2017: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/28614744/effects-of-aeration-on-matrix-temperature-by-infrared-thermal-imager-and-computational-fluid-dynamics-during-sludge-bio-drying
#7
Dawei Yu, Min Yang, Lu Qi, Mengmeng Liu, Yawei Wang, Yuansong Wei
The effect of aeration on the pile matrix temperature was investigated using thermocouples and Infrared Thermal Imager (IRI) for temperature sensing, and Computational Fluid Dynamics (CFD) for modelling of temperature variation during aeration in a full-scale sludge biodrying plant. With aeration saving of 20%, the improved strategy speeded up biodrying from 21 days to 14 days, while achieving similar drying effect. A persistent thermocouple recorded the one-dimensional (1D) total temperature variation of all aeration strategies...
June 4, 2017: Water Research
https://www.readbyqxmd.com/read/28614430/effects-of-the-application-of-therapeutic-massage-in-children-with-cancer-a-systematic-review
#8
Juan Rodríguez-Mansilla, Blanca González-Sánchez, Silvia Torres-Piles, Jorge Guerrero Martín, María Jiménez-Palomares, Macarena Núñez Bellino
Objective: to learn about the effects of the use of therapeutic massage in children with cancer. Method: systematic review of controlled clinical trials The search was conducted in November 2014 in the following databases: Pubmed, CSIC, Dialnet, Scopus, Cochrane and PEDro. Inclusion criteria were: clinical trials, published in English or Spanish, analyzing the effects of massage on the different stages and types of childhood cancer (between 1 and 18 years old). Results: of 1007 articles found, 7 met the inclusion criteria...
June 8, 2017: Revista Latino-americana de Enfermagem
https://www.readbyqxmd.com/read/28614044/validation-of-odour-concentration-from-mbt-piles-using-static-chamber-and-wind-tunnel-with-the-different-wind-speed-values
#9
Mirosław Szyłak-Szydłowski
The basic principle of odour sampling from surface sources is based primarily on the amount of air obtained from a specific area of the ground, which acts as a source of malodourous compounds. Wind tunnels and flux chambers are often the only available, direct method of evaluating the odour fluxes from small area sources. There are currently no widely accepted chamber-based methods, thus there is still a need for standardization of them to ensure accuracy and comparability. Previous research has established that there is a significant difference between the odour concentration values obtained using the Lindvall chamber and those obtained by a dynamic flow chamber...
June 14, 2017: Journal of the Air & Waste Management Association
https://www.readbyqxmd.com/read/28601654/natural-radionuclides-in-plants-soils-and-sediments-affected-by-u-rich-coal-mining-activities-in-brazil
#10
Juliana Aparecida Galhardi, Rafael García-Tenorio, Daniel Marcos Bonotto, Inmaculada Díaz Francés, João Gabriel Motta
Mining activities can increase the mobility of metals by accelerating the dissolution and leaching of minerals from the rocks and tailing piles to the environment and, consequently, their availability for plants and subsequent transfer to the food chain. The weathering of minerals and the disposal of coal waste in tailing piles can accelerate the generation of acid mine drainage (AMD), which is responsible for the higher dissolution of metals in mining areas. In this context, the behavior of U, Th and K in soils and sediment, and the transfer factor (TF) of (238)U, (234)U and (210)Po for soybean, wheat, pine and eucalyptus cultivated around a coal mine in southern Brazil was evaluated...
June 8, 2017: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/28598664/measurement-of-d-0-azimuthal-anisotropy-at-midrapidity-in-au-au-collisions-at-sqrt-s_-nn-200%C3%A2-%C3%A2-gev
#11
L Adamczyk, J K Adkins, G Agakishiev, M M Aggarwal, Z Ahammed, N N Ajitanand, I Alekseev, D M Anderson, R Aoyama, A Aparin, D Arkhipkin, E C Aschenauer, M U Ashraf, A Attri, G S Averichev, X Bai, V Bairathi, A Behera, R Bellwied, A Bhasin, A K Bhati, P Bhattarai, J Bielcik, J Bielcikova, L C Bland, I G Bordyuzhin, J Bouchet, J D Brandenburg, A V Brandin, D Brown, I Bunzarov, J Butterworth, H Caines, M Calderón de la Barca Sánchez, J M Campbell, D Cebra, I Chakaberia, P Chaloupka, Z Chang, N Chankova-Bunzarova, A Chatterjee, S Chattopadhyay, X Chen, J H Chen, X Chen, J Cheng, M Cherney, W Christie, G Contin, H J Crawford, S Das, L C De Silva, R R Debbe, T G Dedovich, J Deng, A A Derevschikov, L Didenko, C Dilks, X Dong, J L Drachenberg, J E Draper, L E Dunkelberger, J C Dunlop, L G Efimov, N Elsey, J Engelage, G Eppley, R Esha, S Esumi, O Evdokimov, J Ewigleben, O Eyser, R Fatemi, S Fazio, P Federic, P Federicova, J Fedorisin, Z Feng, P Filip, E Finch, Y Fisyak, C E Flores, L Fulek, C A Gagliardi, D Garand, F Geurts, A Gibson, M Girard, L Greiner, D Grosnick, D S Gunarathne, Y Guo, A Gupta, S Gupta, W Guryn, A I Hamad, A Hamed, A Harlenderova, J W Harris, L He, S Heppelmann, S Heppelmann, A Hirsch, G W Hoffmann, S Horvat, T Huang, B Huang, X Huang, H Z Huang, T J Humanic, P Huo, G Igo, W W Jacobs, A Jentsch, J Jia, K Jiang, S Jowzaee, E G Judd, S Kabana, D Kalinkin, K Kang, K Kauder, H W Ke, D Keane, A Kechechyan, Z Khan, D P Kikoła, I Kisel, A Kisiel, L Kochenda, M Kocmanek, T Kollegger, L K Kosarzewski, A F Kraishan, P Kravtsov, K Krueger, N Kulathunga, L Kumar, J Kvapil, J H Kwasizur, R Lacey, J M Landgraf, K D Landry, J Lauret, A Lebedev, R Lednicky, J H Lee, X Li, C Li, W Li, Y Li, J Lidrych, T Lin, M A Lisa, H Liu, P Liu, Y Liu, F Liu, T Ljubicic, W J Llope, M Lomnitz, R S Longacre, S Luo, X Luo, G L Ma, L Ma, Y G Ma, R Ma, N Magdy, R Majka, D Mallick, S Margetis, C Markert, H S Matis, K Meehan, J C Mei, Z W Miller, N G Minaev, S Mioduszewski, D Mishra, S Mizuno, B Mohanty, M M Mondal, D A Morozov, M K Mustafa, Md Nasim, T K Nayak, J M Nelson, M Nie, G Nigmatkulov, T Niida, L V Nogach, T Nonaka, S B Nurushev, G Odyniec, A Ogawa, K Oh, V A Okorokov, D Olvitt, B S Page, R Pak, Y Pandit, Y Panebratsev, B Pawlik, H Pei, C Perkins, P Pile, J Pluta, K Poniatowska, J Porter, M Posik, A M Poskanzer, N K Pruthi, M Przybycien, J Putschke, H Qiu, A Quintero, S Ramachandran, R L Ray, R Reed, M J Rehbein, H G Ritter, J B Roberts, O V Rogachevskiy, J L Romero, J D Roth, L Ruan, J Rusnak, O Rusnakova, N R Sahoo, P K Sahu, S Salur, J Sandweiss, M Saur, J Schambach, A M Schmah, W B Schmidke, N Schmitz, B R Schweid, J Seger, M Sergeeva, P Seyboth, N Shah, E Shahaliev, P V Shanmuganathan, M Shao, A Sharma, M K Sharma, W Q Shen, Z Shi, S S Shi, Q Y Shou, E P Sichtermann, R Sikora, M Simko, S Singha, M J Skoby, N Smirnov, D Smirnov, W Solyst, L Song, P Sorensen, H M Spinka, B Srivastava, T D S Stanislaus, M Strikhanov, B Stringfellow, T Sugiura, M Sumbera, B Summa, Y Sun, X M Sun, X Sun, B Surrow, D N Svirida, M A Szelezniak, A H Tang, Z Tang, A Taranenko, T Tarnowsky, A Tawfik, J Thäder, J H Thomas, A R Timmins, D Tlusty, T Todoroki, M Tokarev, S Trentalange, R E Tribble, P Tribedy, S K Tripathy, B A Trzeciak, O D Tsai, T Ullrich, D G Underwood, I Upsal, G Van Buren, G van Nieuwenhuizen, A N Vasiliev, F Videbæk, S Vokal, S A Voloshin, A Vossen, G Wang, Y Wang, F Wang, Y Wang, J C Webb, G Webb, L Wen, G D Westfall, H Wieman, S W Wissink, R Witt, Y Wu, Z G Xiao, W Xie, G Xie, J Xu, N Xu, Q H Xu, Y F Xu, Z Xu, Y Yang, Q Yang, C Yang, S Yang, Z Ye, Z Ye, L Yi, K Yip, I-K Yoo, N Yu, H Zbroszczyk, W Zha, Z Zhang, X P Zhang, J B Zhang, S Zhang, J Zhang, Y Zhang, J Zhang, S Zhang, J Zhao, C Zhong, L Zhou, C Zhou, X Zhu, Z Zhu, M Zyzak
We report the first measurement of the elliptic anisotropy (v_{2}) of the charm meson D^{0} at midrapidity (|y|<1) in Au+Au collisions at sqrt[s_{NN}]=200  GeV. The measurement was conducted by the STAR experiment at RHIC utilizing a new high-resolution silicon tracker. The measured D^{0} v_{2} in 0%-80% centrality Au+Au collisions can be described by a viscous hydrodynamic calculation for a transverse momentum (p_{T}) of less than 4  GeV/c. The D^{0} v_{2} as a function of transverse kinetic energy (m_{T}-m_{0}, where m_{T}=sqrt[p_{T}^{2}+m_{0}^{2}]) is consistent with that of light mesons in 10%-40% centrality Au+Au collisions...
May 26, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28595805/composting-municipal-biosolids-in-polyethylene-sleeves-with-forced-aeration-process-control-air-emissions-sanitary-and-agronomic-aspects
#12
R Avidov, I Saadi, A Krassnovsky, A Hanan, Sh Medina, M Raviv, Y Chen, Y Laor
Composting in polyethylene sleeves with forced aeration may minimize odor emissions, vectors attraction and leachates associated with open windrows. A disadvantage of this technology is the lack of mixing during composting, potentially leading to non-uniform products. In two pilot experiments using biosolids and green waste (1:1; v:v), thermophilic conditions (>45°C) were maintained for two months, with successful control of oxygen levels and sufficient moisture. Emitted odors declined from 1.5-3.8×10(5) to 5...
June 5, 2017: Waste Management
https://www.readbyqxmd.com/read/28590221/evaluation-of-pyriproxyfen-dissemination-via-aedes-albopictus-from-a-point-source-larvicide-application-in-northeast-florida
#13
Aaron M Lloyd, Muhammad Farooq, Alden S Estep, Rui-De Xue, Daniel L Kline
The Asian tiger mosquito, Aedes albopictus , ranks among the most important vectors of dengue fever, Zika virus, and chikungunya virus. With no specific medications or vaccines available, vector control is the only way to combat these diseases. Autodissemination of the insect growth regulator pyriproxyfen (NyGuard®) from a point-source treatment was evaluated in field settings in northeast Florida. The objective of this study was to investigate the possibility of pyriproxyfen dissemination from a treatment site to nontreated oviposition sites via the skip oviposition behavior of Ae...
June 2017: Journal of the American Mosquito Control Association
https://www.readbyqxmd.com/read/28588298/statistical-study-of-ductility-dip-cracking-induced-plastic-deformation-in-polycrystalline-laser-3d-printed-ni-based-superalloy
#14
Dan Qian, Jiawei Xue, Anfeng Zhang, Yao Li, Nobumichi Tamura, Zhongxiao Song, Kai Chen
Ductility-dip cracking in Ni-based superalloy, resulting from heat treatment, is known to cause disastrous failure, but its mechanism is still not completely clear. A statistical study of the cracking behavior as a function of crystal orientation in a laser 3D-printed DL125L Ni-based superalloy polycrystal is investigated here using the synchrotron X-ray microdiffraction. The dislocation slip system in each of the forty crystal grains adjacent to the 300 μm long crack has been analyzed through Laue diffraction peak shapes...
June 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28586275/good-food-bad-food-and-white-rice-understanding-child-feeding-using-visual-narrative-elicitation
#15
Chelsea Wentworth
Visual-narrative elicitation, a process combing photo elicitation and pile sorting in applied medical anthropology, sheds light on food consumption patterns in urban areas of Vanuatu where childhood malnutrition is a persistent problem. Groups of participants took photographs of the foods they feed their children, and the resources and barriers they encounter in accessing foodstuffs. This revealed how imported and local foods are assigned value as "good" or "bad" foods when contributing to dietary diversity and creating appropriate meals for children, particularly in the context of consuming white rice...
June 6, 2017: Medical Anthropology
https://www.readbyqxmd.com/read/28584495/prevalence-pattern-and-correlates-of-alcohol-misuse-among-male-patients-attending-rural-primary-care-in-india
#16
Sanghamitra Pati, Subhashisa Swain, Sandeep Mahapatra, Mohammad Akhtar Hussain, Sandipana Pati
BACKGROUND: There are limited data available on how the problem of alcohol use is detected in primary care setting in India. Particularly in Odisha, it has not been investigated yet. This study was conducted to determine the prevalence of drinking, drinking patterns, and quitting behavior among the male patients visiting a primary health-care facility in a district of Odisha. METHODOLOGY: A cross-sectional study was conducted among patients attending community health center (CHC), Buguda in the state of Odisha, India, from December 1, 2014, to February 31, 2015...
January 2017: Journal of Pharmacy & Bioallied Sciences
https://www.readbyqxmd.com/read/28577144/resource-recovery-of-food-waste-through-continuous-thermophilic-in-vessel-composting
#17
Mohammad Waqas, Talal Almeelbi, Abdul-Sattar Nizami
In the Kingdom of Saudi Arabia (KSA) and Gulf region, a very small amount of municipal solid waste (MSW) is treated for compost production. The produced compost through traditional methods of compost piles and trenches does not coincide with the international standards of compost quality. Therefore, in this study, a continuous thermophilic composting (CTC) method is introduced as a novel and efficient technique for treating food waste into a quality compost in a short period of time. The quality of the compost was examined by degradation rates of organic matter (OM), changes in total carbon (TC), ash contents, pH, dynamics in ammonium nitrogen (NH4-N) and nitrate nitrogen (NO3-N), and nitrification index (NI)...
June 3, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28560281/microarray-data-and-gene-expression-statistics-for-saccharomyces-cerevisiae-exposed-to-simulated-asbestos-mine-drainage
#18
Heather E Driscoll, Janet M Murray, Erika L English, Timothy C Hunter, Kara Pivarski, Elizabeth D Dolci
Here we describe microarray expression data (raw and normalized), experimental metadata, and gene-level data with expression statistics from Saccharomyces cerevisiae exposed to simulated asbestos mine drainage from the Vermont Asbestos Group (VAG) Mine on Belvidere Mountain in northern Vermont, USA. For nearly 100 years (between the late 1890s and 1993), chrysotile asbestos fibers were extracted from serpentinized ultramafic rock at the VAG Mine for use in construction and manufacturing industries. Studies have shown that water courses and streambeds nearby have become contaminated with asbestos mine tailings runoff, including elevated levels of magnesium, nickel, chromium, and arsenic, elevated pH, and chrysotile asbestos-laden mine tailings, due to leaching and gradual erosion of massive piles of mine waste covering approximately 9 km(2)...
August 2017: Data in Brief
https://www.readbyqxmd.com/read/28558433/testing-the-usefulness-of-222-rn-to-complement-conventional-hydrochemical-data-to-trace-groundwater-provenance-in-complex-multi-layered-aquifers-application-to-the-%C3%A3-beda-aquifer-system-ja%C3%A3-n-se-spain
#19
L Ortega, M Manzano, J Rodríguez-Arévalo
The Úbeda aquifer system is a multi-layered aquifer intensively exploited for irrigation. It covers 1100km(2) and consists of piled up sedimentary aquifer and aquitard layers from Triassic sandstones and clays at the bottom, to Jurassic carbonates (main exploited layer) in the middle, and Miocene sandstones and marls at the top. Flow network modification by intense exploitation and the existence of deep faults favour vertical mixing of waters from different layers and with distinct chemical composition. This induces quality loss and fosters risk of quantity restrictions...
December 1, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28554975/mechanical-and-electrostatic-experiments-with-dust-particles-collected-in-the-inner-coma-of-comet-67p-by-cosima-onboard-rosetta
#20
Martin Hilchenbach, Henning Fischer, Yves Langevin, Sihane Merouane, John Paquette, Jouni Rynö, Oliver Stenzel, Christelle Briois, Jochen Kissel, Andreas Koch, Rita Schulz, Johan Silen, Nicolas Altobelli, Donia Baklouti, Anais Bardyn, Herve Cottin, Cecile Engrand, Nicolas Fray, Gerhard Haerendel, Hartmut Henkel, Herwig Höfner, Klaus Hornung, Harry Lehto, Eva Maria Mellado, Paola Modica, Lena Le Roy, Sandra Siljeström, Wolfgang Steiger, Laurent Thirkell, Roger Thomas, Klaus Torkar, Kurt Varmuza, Boris Zaprudin
The in situ cometary dust particle instrument COSIMA (COmetary Secondary Ion Mass Analyser) onboard ESA's Rosetta mission has collected about 31 000 dust particles in the inner coma of comet 67P/Churyumov-Gerasimenko since August 2014. The particles are identified by optical microscope imaging and analysed by time-of-flight secondary ion mass spectrometry. After dust particle collection by low speed impact on metal targets, the collected particle morphology points towards four families of cometary dust particles...
July 13, 2017: Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
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