Mostrando 1,241 - 1,260 Resultados de 1,421 Para Buscar '"Sampler"', tiempo de consulta: 0.38s Limitar resultados
  1. 1241
    “…When paired with silicone wristband passive samplers, this quantitative screen will be very useful for epidemiology where binning of concentrations is common. …”
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  2. 1242
    “…Air samples were collected using personal air samplers and analyzed by gas chromatography. Urine samples were collected at the end of the shift and analyzed by high performance liquid chromatography. …”
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  3. 1243
    “…METHODS: The study aimed to determine and correlate the most frequently implicated airborne pollen detected by aerobiological monitoring samplers in respiratory allergy symptoms. An aerobiological survey was started on May 8, 2017. …”
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  4. 1244
  5. 1245
    “…The mass concentrations of SPM fractions (especially PM(2.5), PM(1.0), PM(0.25)) were measured in an industrial area using cascade personal samplers and a gravimetric method, and their mass ratio was determined. …”
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  6. 1246
    “…Short-term test kits measured radon; passive airborne nicotine samplers assessed secondhand smoke (SHS) exposure. …”
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  7. 1247
    “…Upon flushing, two bioaerosol samplers were activated to collect aerosolized MNV. …”
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  8. 1248
    “…A positive correlation coefficient (r) greater than 0.995 for donepezil concentrations in study plasma samplers measured by the proposed and the other validated LC-MS/MS methods in support of a bioequivalence study was observed.…”
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  9. 1249
    “…METHODS: We have performed a deep sampling analysis of the viral transcriptomic data oriented towards drug repositioning. Using different samplers, the basic principle of this methodology the biological invariance, which means that the pathways altered by the disease, should be independent on the algorithm used to unravel them. …”
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  10. 1250
    “…Our study contributes to the design of long-term autonomous microbial observations in remote ocean areas, allowing cross-comparison of microbiome dynamics across sampling devices (e.g., water and particle samplers) and marine realms.…”
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  11. 1251
    “…PCB mass in both the headspace and aqueous bioreactor compartments was measured using passive samplers over 35 days. Time-series measurements of all 209 PCB congeners revealed a 57% decrease in total PCB mass accumulated in the vapor phase of bioaugmented treatments relative to non-bioaugmented controls, on average. …”
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  12. 1252
    “…In this study, we analyzed the dust deposited in 18 passive samplers positioned near the GSL, in cities in and near the Salt Lake Valley for total dust flux, the <63 µm dust fraction, (87)Sr/(86)Sr, and trace element geochemistry. …”
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  13. 1253
  14. 1254
    “…Cow, poultry manure, and pig slurry were spread in a confined environment using two types of spreaders (splash plate and dribble bar), and the resulting emissions were collected before, during, and after spreading using high-volume air samplers coupled to a particle counter. Total bacteria, fecal indicators, and a total of 38 different subtypes of ARGs were further quantified by qPCR. …”
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  15. 1255
    por Pleil, J D, Smith, L B, Zelnick, S D
    Publicado 2000
    “…Ambient samples were collected by using compact, battery-operated, personal whole-air samplers that have recently been developed as commercial products; breath samples were collected using our single-breath canister method that uses 1-L canisters fitted with valves and small disposable breathing tubes. …”
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  16. 1256
    “…The method is based on converting atmospheric nitrogen dioxide to nitrite ions within the IVL passive samplers used for samples collection. Acidifying nitrite ions with concentrated HCl produced the peroxynitrous acid oxidizing agent which was measured using 2, 2-azino-bis(3-ethyl benzothiazoline)-6-sulfonic acid-diammonium salt (ABTS) as reducing coloring agent. …”
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  17. 1257
    “…VOCs were sampled for one week in the presence/absence of pupils using diffusive samplers suitable for thermal desorption inside three classrooms at each school. …”
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  18. 1258
    “…We discuss the difficulties of achieving good mixing in MCMC samplers of this nature in large data sets and investigate sensitivity to initialisation. …”
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  19. 1259
    “…Indoor and outdoor PM(2.5) samples were collected concurrently, using GilAir300 plus samplers, at a flow rate of 2.75 L/min. PM(2.5) was collected on polycarbonate membrane filters housed in 37 mm cassettes coupled with PM(2.5) cyclones. …”
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  20. 1260
    “…The bottom sediments have been sampled in Chaun Bay of the East Siberian Sea from 9 to 21 October 2020 with Ekman (0.25 m(2)) and Van Veen (0.05 m(2)) samplers. The grain size data was obtained from laser diffraction method using a SHIMADZU SALD 2300 particle analyser. …”
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