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Related Concept Videos

Data Collection II01:29

Data Collection II

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The nursing history captures and records the patient's health status, so that a care plan evolves to meet the patient's individual needs. The nursing health history is a part of the initial assessment. A comprehensive history covers all health dimensions and plays a significant role in the assessment process. A comprehensive history includes the patient's biographical information, reasons for seeking health care, expectations, present and past health history, medications, and...
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Data Collection I01:30

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Data collection gathers information needed to make accurate judgments about a patient's present condition. During a health history interview, subjective data is collected from the patient, their caregivers, or family members, and objective data is collected through observations and physical assessment. Patients are the primary source of subjective data. Thus information gathered from patients through interviews, observations, and physical examination is primary data. Secondary sources of...
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Data Collection by Experiments01:13

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Data collection is a systematic method of obtaining, observing, measuring, and analyzing accurate information. An experimental study is a standard method of data collection that involves the manipulation of the samples by applying some form of treatment prior to data collection. It refers to manipulating one variable to determine its changes on another variable. The sample subjected to treatment is known as “experimental units.”
An example of the experimental method is a public...
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Data Collection by Survey01:07

Data Collection by Survey

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The systematic method of obtaining and analyzing accurate information of a population is called data collection. A survey is a standard method of data collection that involves collecting information from a target human population about their experience, opinion, or knowledge of a product, service, or process. The responses are recorded and interpreted. The most common survey examples are written questionnaires, face-to-face or telephonic conversations, focus groups, and electronic (e-mail or...
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Data Collection by Observations01:08

Data Collection by Observations

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Data collection refers to a systematic way of obtaining, observing, measuring, and analyzing accurate information. Observational studies are one of the most widely used methods of data collection. It involves collecting data by observing the behavior and physical characteristics of a sample without making any modifications to the sample.
An astronomer viewing the motion and brightness of stars in the sky and recording the data is an example of observational data collection. A botanist recording...
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Data Collection III01:05

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The physical assessment examines the patient for objective data that defines the patient's condition, and aids in formulating the nursing care plan. The purpose of physical assessment is a health status appraisal, which includes identifying health problems, and establishing a database for nursing intervention.
The principles to begin the physical assessment include conducting a comprehensive or problem-related history in a quiet, well-lit room, emphasizing privacy and comfort for the...
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Elemental-sensitive Detection of the Chemistry in Batteries through Soft X-ray Absorption Spectroscopy and Resonant Inelastic X-ray Scattering
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Investigation of periodically driven systems by x-ray absorption spectroscopy using asynchronous data collection

H Singh1, D Donetsky2, J Liu2

  • 1Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, New York 11794, USA.

The Review of Scientific Instruments
|May 3, 2018
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Summary

Researchers developed a new spectroscopy setup and software for analyzing functional materials. This enables detailed study of X-ray absorption spectra during external stimulation, advancing materials science research.

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Area of Science:

  • Materials Science
  • Spectroscopy
  • Synchrotron Radiation

Background:

  • Modulation Excitation Spectroscopy (MES) is crucial for understanding dynamic material properties.
  • Existing methods may lack the resolution or computational tools for complex time-resolved analyses.
  • Inner Shell Spectroscopy beamlines offer unique capabilities for probing electronic structures.

Purpose of the Study:

  • To develop and validate a novel setup for MES experiments.
  • To create advanced software for asynchronous data processing and analysis.
  • To enable time-resolved X-ray absorption spectroscopy of functional materials.

Main Methods:

  • Implementation of a specialized experimental setup at the National Synchrotron Light Source - II Inner Shell Spectroscopy beamline.
  • Development of a computer algorithm and dedicated software for real-time data handling.
  • Application of the system to a model system for reconstructing time-resolved X-ray absorption spectra.

Main Results:

  • Successful development and testing of the MES experimental setup.
  • Demonstrated capability to reconstruct X-ray absorption spectra at different time points within a modulation pulse.
  • Validation of the asynchronous data processing and analysis software.

Conclusions:

  • The developed MES setup and software provide a powerful tool for dynamic material characterization.
  • This approach is applicable to a wide array of functional materials, including catalysts and energy storage devices.
  • The system facilitates in-depth understanding of structural and electronic responses to external stimuli.