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and 22 °C and relative humidity (RH) ranged between 65 and 67%. The similar procedure is described in DOC FF 3-71 [ 27 ]. The full description of our flammability tester has been demonstrated in the previous investigations [ 28 – 38

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activity, nutrient level, and extrinsic factors, such as temperature, atmosphere (i.e., aerobic, anaerobic, and modified atmosphere), and relative humidity. By manipulating one or more of these factors, it is possible to alter the behavior of microorganisms

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.03 ∗Insoluble residue + SiO 2 Methods The CC were cast into the 20 × 20 × 20 mm cubes. The moulds were stored at an atmosphere with 95% relative humidity at 20 ± 1 °C for the first 24 h and

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stability of the mass was reached). This water content was assumed to be constant, because the laboratory was air-conditioned to meet reference conditions (20 °C, relative humidity ϕ = 40%; this assumption has been checked by repeated determination of the

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storage. The cleaned samples were conditioned under standard atmospheric pressure at 65 ± 4% relative humidity and 20 ± 2 °C for at least 24 h before all the experiments. APTES (sol–gel precursor) and DEPTES were purchased from Sigma Aldrich and Gelest

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with free water. Keep the animals in a dark cycle of 12 h/12 h under the conditions of ambient temperature 22–25 °C and relative humidity 60% (under 8:00 light). The experimental protocol was approved by the Animal Ethics Committee of Heilongjiang

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Biotech Co. Ltd. (Liaoning, China). The rats were housed under controlled conditions (temperature: 21 ± 2 °C; relative humidity: 50 ± 10%) with a natural light-dark cycle to acclimate for at least one week with free access to food and water. Before intra

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(and/or relative humidity RH at the surface) induced in the fresco by the thermal perturbation must be kept below specific threshold values in order to prevent damage. It has been shown, by monitoring, Δ T and RH values during the measurement, that a

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specimens were stored at 23 °C and 95% minimum relative humidity until hydration was stopped at predetermined time intervals. Table 3 Mixture compositions

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Relative humidity RHR Heat release rate RM Residual mass SBE

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