5,495,429 research outputs found
Book Review: Worship with Teenagers: Adolescent Spirituality and Congregational Practice
Worship with Teenagers: Adolescent Spirituality and Congregational Practice, by Eric Mathis. Baker Academic, 2022. 243 pages, $17.00
Revolutionary
This poem describes Black radical love as revolutionary. The authors address how radical Black love sustains resistance and Blackness and is revolutionary
Effect of Room Arrangement and Blood Sample Collection Sequence on Serum Thyroid Hormone and Cortisol Concentrations in Cynomolgus Macaques (Macacafascicularis)
We evaluated the relationship, in cynomolgus macaques (Macacafascicularis), between rank for order of blood collection with serum concentrations of 3,5,3\u27-triiodothyronine (T3), thyroxine (T4), free thyroxine (FT4), and serum cortisol. These relationships were determined for males and females that were housed in two room arrangements. For both room arrangements, males and females were housed separately. For room arrangement 1, macaques were housed on both sides of the animal holding room. The sides of the animal holding room were designated as side A or side B. Blood was initially collected from animals on side A, then from animals on side B. Animals on side B were able to visually observe macaques on side A being physically restrained and sedated for blood collection. In room arrangement 2, the macaques were housed on only one side of the animal holding room and could not directly observe other animals being physically restrained and sedated for blood collection. The relationship for serum FT4 concentration with blood sample collection sequence was different for each room arrangement. For room arrangement 1, we observed an inverse relationship between serum FT4 concentration and the rank for order of blood collection. This finding was observed for males and females and was consistent with the lower serum Ff4 value observed for animals housed on room side B. We also observed a trend for higher serum T4 concentration on room side A, but the reverse was true for serum cortisol concentration. In contrast, a macaque\u27s rank for blood collection sequence in room arrangement 2 was not predictive of the rank for serum thyroid hormone (T3, T4, FT4) or serum cortisol concentration. These results suggest that the arrangement of cages in a nonhuman primate holding room contributes to the variability for serum FT4 concentrations
Effect of Room Arrangement and Blood Sample Collection Sequence on Serum Thyroid Hormone and Cortisol Concentrations in Cynomolgus Macaques (Macacafascicularis)
We evaluated the relationship, in cynomolgus macaques (Macacafascicularis), between rank for order of blood collection with serum concentrations of 3,5,3\u27-triiodothyronine (T3), thyroxine (T4), free thyroxine (FT4), and serum cortisol. These relationships were determined for males and females that were housed in two room arrangements. For both room arrangements, males and females were housed separately. For room arrangement 1, macaques were housed on both sides of the animal holding room. The sides of the animal holding room were designated as side A or side B. Blood was initially collected from animals on side A, then from animals on side B. Animals on side B were able to visually observe macaques on side A being physically restrained and sedated for blood collection. In room arrangement 2, the macaques were housed on only one side of the animal holding room and could not directly observe other animals being physically restrained and sedated for blood collection. The relationship for serum FT4 concentration with blood sample collection sequence was different for each room arrangement. For room arrangement 1, we observed an inverse relationship between serum FT4 concentration and the rank for order of blood collection. This finding was observed for males and females and was consistent with the lower serum Ff4 value observed for animals housed on room side B. We also observed a trend for higher serum T4 concentration on room side A, but the reverse was true for serum cortisol concentration. In contrast, a macaque\u27s rank for blood collection sequence in room arrangement 2 was not predictive of the rank for serum thyroid hormone (T3, T4, FT4) or serum cortisol concentration. These results suggest that the arrangement of cages in a nonhuman primate holding room contributes to the variability for serum FT4 concentrations
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Development of Next Generation Multiphase Pipe Flow Prediction Tools
The developments of fields in deep waters (5000 ft and more) is a common occurrence. It is inevitable that production systems will operate under multiphase flow conditions (simultaneous flow of gas-oil-and water possibly along with sand, hydrates, and waxes). Multiphase flow prediction tools are essential for every phase of the hydrocarbon recovery from design to operation. The recovery from deep-waters poses special challenges and requires accurate multiphase flow predictive tools for several applications including the design and diagnostics of the production systems, separation of phases in horizontal wells, and multiphase separation (topside, seabed or bottom-hole). It is very crucial to any multiphase separation technique that is employed either at topside, seabed or bottom-hole to know inlet conditions such as the flow rates, flow patterns, and volume fractions of gas, oil and water coming into the separation devices. The overall objective was to develop a unified model for gas-oil-water three-phase flow in wells, flow lines, and pipelines to predict the flow characteristics such as flow patterns, phase distributions, and pressure gradient encountered during petroleum production at different flow conditions (pipe diameter and inclination, fluid properties and flow rates). The project was conducted in two periods. In Period 1 (four years), gas-oil-water flow in pipes were investigated to understand the fundamental physical mechanisms describing the interaction between the gas-oil-water phases under flowing conditions, and a unified model was developed utilizing a novel modeling approach. A gas-oil-water pipe flow database including field and laboratory data was formed in Period 2 (one year). The database was utilized in model performance demonstration. Period 1 primarily consisted of the development of a unified model and software to predict the gas-oil-water flow, and experimental studies of the gas-oil-water project, including flow behavior description and closure relation development for different flow conditions. Modeling studies were performed in two parts, Technology Assessment and Model Development and Enhancement. The results of the Technology assessment study indicated that the performance of the current state of the art two-phase flow models was poor especially for three-phase pipeline flow when compared with the existing data. As part of the model development and enhancement study, a new unified model for gas-oil-water three-phase pipe flow was developed. The new model is based on the dynamics of slug flow, which shares transition boundaries with all the other flow patterns. The equations of slug flow are used not only to calculate the slug characteristics, but also to predict transitions from slug flow to other flow patterns. An experimental program including three-phase gas-oil-water horizontal flow and two-phase horizontal and inclined oil-water flow testing was conducted utilizing a Tulsa University Fluid Flow Projects Three-phase Flow Facility. The experimental results were incorporated into the unified model as they became available, and model results were used to better focus and tailor the experimental study. Finally, during the Period 2, a new three-phase databank has been developed using the data generated during this project and additional data available in the literature. The unified model to predict the gas-oil-water three phase flow characteristics was tested by comparing the prediction results with the data. The results showed good agreements
Using alloy to formally model and reason about an OpenFlow network switch
Openflow provides a standard interface for separating a network into a data plane and a programmatic control plane. This enables easy network reconfiguration, but introduces the potential for programming bugs to cause network effects. To study OpenFlow switch behavior, we used Alloy to create a software abstraction describing the internal state of a network and its OpenFlow switches. This work is an attempt to model the static and dynamic behaviour a network built using OpenFlow switches
A Curvature Flow Unifying Symplectic Curvature Flow And Pluriclosed Flow
Streets and Tian introduced pluriclosed flow and symplectic curvature flow in
recent years. Here we construct a curvature flow to unify these two flows. We
show the short time existence of our flow and exhibit an obstruction to long
time existence.Comment: Corrected minor errors and updated references. Accepted in Pacific
Journal of Mathematic
Peak Flow Meter Equipped with Inspection Results Indicator
Peak Flow Meter (PFM) is a tool to measure the Peak Flow of Air Expiration in the road (PFR) or commonly referred to as Peak Expiration Flow (PEF) and to connect asthma. The value of PEF can help a number of factors in age, respiratory muscle strength, height and gender. Airway measurements are used to measure patients suffering from asthma. This peak flow meter tool works based on the air pressure produced from the patient\u27s puff using the MPX5100GP pressure sensor in the range of 0 to 100 kPa and the voltage output is 0.2 to 4.7 VDC to increase wind pressure in the patient. From the pressure converted to voltage and enter the 0 from the Arduino nano minimum system circuit to be processed into analog data and then put into units of liters / second, the value of the flow meter is sent and replaced to a PC with the Delphi7 application. The measurement results of PEF values at peak flow meters have an error value of less than 5% This peak flow meter tool also has a consideration value of 0.095475 so that this tool can be said to be very certain to be used as asthma. Then it can be concluded that the peak flow meter is feasible and meets the specified requirement
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