A nonlinear diffusion model for the drying of concrete previously developed at Northwestern University and embedded in some design codes was improved and calibrated on the basis of recent more extensive experimental data from the literature as well as theoretical considerations Introduction The process of sorption encompasses both adsorption and absorption Water sorption in amorphous solids is interesting to the food industry because of its impact on stability and consumer-expected product behavior [1–3] Bulk packed products that have inadvertently sorbed additional moisture are likely to be negatively perceived by consumers as having stale

The Data Generation

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Moisture content is expressed on a dry weight basis The sorption isotherm 7 is the most widely used expression to quantify a substance's affinity for water It is as the term implies a relationship at a constant temperature Sorption The spontaneous acquisition of a component (waterin this case) from the atmosphere by a system

Aug 03 20131 Cultivation and harvest of P putida Prepare a starter culture of Pseudomonas putida by inoculating 100 ml of tryptic soy broth (TSB) with a colony of P putida cells cultured on agar supplemented with tryptic soy broth (TSA) Keep the culture at 30 C on a shaking board set at 130 rpm After 7 hr transfer an aliquot from the starter culture equivalent to 1/10 of the final

Downloadable! Innovative methods were used to determine both sorption and drying data at temperatures typically found in the handling of agricultural products A robust sorption measurement system using multiple microbalances and a high precision through flow laboratory dryer both with continuous data acquisition were employed as the basis for a water vapor

Data acquisition is the process of sampling signals that measure real world physical conditions and converting the resulting samples into digital numeric values that can be manipulated by a computer Data acquisition systems abbreviated by the initialisms DAS or DAQ typically convert analog waveforms into digital values for processing The components of data acquisition

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Feb 05 2019The data processing (cropping and converting) in the data-acquisition server began when the Nanozoomer slide scanning was completed The processed data were transferred to a central repository for quality control This configuration could improve the overall process rate from 50% of the theoretical maximum up to 80% in performance

After all pores have been emptied (up to the highest pressure achievable) during the wet run a second dry run is performed on the same sample From the complete data set various flow-related pore size parameters pore size distributions and gas permeability can be calculated Go to the Porometer 3G Series

EP0368111B1 EP89120078A EP89120078A EP0368111B1 EP 0368111 B1 EP0368111 B1 EP 0368111B1 EP 89120078 A EP89120078 A EP 89120078A EP 89120078 A EP89120078 A EP 89120078A EP 0368111 B1 EP0368111 B1 EP 0368111B1 Authority EP European Patent Office Prior art keywords container cooling working medium characterised sorption Prior art date

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Innovative methods were used to determine both sorption and drying data at temperatures typically found in the handling of agricultural products A robust sorption measurement system using multiple microbalances and a high precision through flow laboratory dryer both with continuous data acquisition were employed as the basis for a water vapor deficit based approach in modeling the sorption

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Understanding Relative Humidity in Concrete

Apr 06 2019Even though your concrete may look dry on the surface that doesn't necessarily mean it is dry throughout There may still be sources of water within your concrete in the form of relative humidity According to ASTM F2170 when drying concrete slabs have lower moisture levels near the surface and higher levels towards the bottom of the slab

Sep 01 2019Using Eqs () () () and() we can evaluate water sorption isotherms which have hysteresis loops that extend over the entire humidity range (0 m ≤ 1)As an example for the application of the model let us consider circular slits with thickness H 0 = 0 28 nm and various radii R embedded in a solid possessing a moderately high Young modulus (E = 20 GPa)

On October 22 Oracle announced that it has signed an agreement to acquire DataFox whose cloud-based artificial intelligence (AI) data engine and derived business content provide the most current precise and expansive set of company-level information and insightful data to optimize business decisions

Introduction The process of sorption encompasses both adsorption and absorption Water sorption in amorphous solids is interesting to the food industry because of its impact on stability and consumer-expected product behavior [1–3] Bulk packed products that have inadvertently sorbed additional moisture are likely to be negatively perceived by consumers as having stale

Introduction The process of sorption encompasses both adsorption and absorption Water sorption in amorphous solids is interesting to the food industry because of its impact on stability and consumer-expected product behavior [1–3] Bulk packed products that have inadvertently sorbed additional moisture are likely to be negatively perceived by consumers as having stale

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The present results have confirmed that Pi-sorption capacity in the base metal mine tailings from mixed streams of ore processing of Cu Pb and Zn mines were extremely high ranging from 3 62 to 7 72 mg Pi g-1 air-dry weight rendering the low risk of elevated soluble Pi in pore water of these materials after soluble Pi-fertilizers are added in