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相关概念视频

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

Data Collection I

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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...
8.5K
Data Collection by Experiments01:13

Data Collection by Experiments

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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...
27.5K
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

Data Collection III

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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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相关实验视频

Updated: Feb 10, 2026

Polycrystalline Silicon Thin-film Solar cells with Plasmonic-enhanced Light-trapping
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在太阳能系统中收集数据,以提高效率.

Carlos Roberto Coutinho1, Rodrigo Fiorotti1, Marcelo Eduardo Vieira Segatto2

  • 1Federal Institute of Espírito Santo, Rod. BR 101 Norte - km 58, São Mateus, 29932-540, Espírito Santo, Brazil.

Data in brief
|February 9, 2026
PubMed
概括

本研究介绍了光伏 (PV) 和混合光伏/热 (PV/T) 系统的数据集,为提高太阳能效率和开发清洁能源解决方案的新控制策略提供了有价值的数据.

关键词:
数据集的收集和分析.能源转换 能源转换太阳能效率 PV 的效率 PV 的效率太阳能光伏/太阳能电路的效率太阳能 (PV) 的光伏 (PV) 的光伏/热 (PV/T) 混合系统的混合系统

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科学领域:

  • 可再生能源工程可再生能源工程
  • 可持续能源系统 可持续能源系统
  • 太阳能技术 太阳能技术

背景情况:

  • 光伏 (PV) 系统由于散热而面临效率限制,大量能量以热形式丢失.
  • 混合光伏/热 (PV/T) 系统通过利用电能和热能提供了一个潜在的解决方案.
  • 由于全球能源转型,对清洁能源解决方案的需求越来越大.

研究的目的:

  • 在现实的住宅条件下,呈现共置的光伏和光伏/电力系统的综合数据集.
  • 为分析和比较光伏和光伏/电路技术的能源性能提供基础.
  • 支持对优化太阳能系统的未来研究,以提高效率和技术经济可行性.

主要方法:

  • 从光伏和PV/T模块收集详细的电气 (电压,电流,功率) 和热 (流体温度,质量流速) 数据.
  • 记录环境参数,包括太阳辐射,环境温度和风速.
  • 在23天的时间内,以1分钟的间隔获得数据,采用高频率采样 (每间隔20次).

主要成果:

  • 现在可以获得一个数据集,包括来自两个不同的太阳系 (PV和PV/T) 的23天高分辨率测量.
  • 数据包括电力输出,热性能指标和关键的环境变量.
  • 该数据集反映了现实世界的住宅能源和热水消耗模式.

结论:

  • 这一数据集对于太阳能研究和开发至关重要,它可以进行详细的效率调查.
  • 它为光伏和PV/T系统的建模,模拟和验证提供了基础.
  • 这些数据将有助于开发先进的控制策略,以最大限度地提高热电效率.