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相关概念视频

Issues And Trends In Healthcare Delivery System01:29

Issues And Trends In Healthcare Delivery System

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The issues and trends in healthcare delivery are constantly changing. The COVID-19 pandemic is one recent issue that wreaked havoc on healthcare systems, causing a shortage of healthcare workers, high demand for medicines and supplies, and increased medical expenditure due to a lack of insurance. Other issues include rising healthcare costs and care fragmentation.
Cost Containment
Payment for healthcare services has historically promoted adoption of costly and often unnecessary or inefficient...
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Surveys02:16

Surveys

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Often, psychologists develop surveys as a means of gathering data. Surveys are lists of questions to be answered by research participants, and can be delivered as paper-and-pencil questionnaires, administered electronically, or conducted verbally. Generally, the survey itself can be completed in a short time, and the ease of administering a survey makes it easy to collect data from a large number of people.
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Relation Between the Distributed Load and Shear01:23

Relation Between the Distributed Load and Shear

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Understanding the relationship between the distributed load and shear force in structural analysis is crucial for analyzing beams subjected to various loading conditions. Consider the case of a beam experiencing a distributed load, two concentrated loads, and a couple moment.
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Survey Safety01:28

Survey Safety

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Surveying near highways, rough terrain, or power lines involves significant risks. Working along highways is particularly dangerous and requires the use of warning signs and flagmen. It is safest to avoid working directly on roads and use offsets whenever possible. When highway work is unavoidable, it must follow all safety guidelines. Surveyors should wear bright clothing, such as orange reflective vests, to ensure visibility to motorists, coworkers, and hunters. In construction zones, wearing...
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Types of Surveys01:27

Types of Surveys

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Surveys are essential for marking property boundaries near water bodies. Different types of surveys are defined, each with its own function. Land surveys mark the property boundaries, while route surveys determine the position of properties on nearby highways. Topographic surveys create maps by capturing the three-dimensional features of the land. Hydrographic surveys focus on the shapes of underwater areas and the movement of streams through the properties. Mine surveys determine the relative...
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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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相关实验视频

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一项关于区块链分片的调查.

Xinmeng Liu1, Haomeng Xie1, Zheng Yan1

  • 1School of Cyber Engineering, Xidian University, Xi'an, China.

ISA transactions
|July 12, 2023
PubMed
概括

区块链分片通过实现并行交易处理来增强可扩展性. 本综述分析了当前的分片计划,提出了评估其有效性的标准,并确定了分散系统的未来研究方向.

科学领域:

  • 计算机科学 计算机科学
  • 信息技术 信息技术 信息技术
  • 分散式系统 分散式系统 分散式系统

背景情况:

  • 区块链技术提供了分散的系统,但面临着可扩展性的挑战.
  • 分片是通过并行处理提高区块链可扩展性的关键技术.
  • 现有的研究缺乏对当前切片技术的全面审查和评估.

研究的目的:

  • 提供对区块链分片最先进技术的彻底审查.
  • 为分片方案的可扩展性,适用性和可靠性提出评估标准.
  • 根据区块链类型和技术对现有分片方案进行分类和分析.

主要方法:

  • 制定一个框架,对可扩展性,适用性和可靠性的评估标准.
  • 根据区块链架构和分片方法论对当前分片方案进行分类.
  • 根据提出的标准,分析各种分片方案的优缺点.

主要成果:

  • 介绍了尖端切片方案的分类.
  • 基于可扩展性,适用性和可靠性的分片方案的比较分析.
  • 在现有的区块链分片解决方案中识别强项和弱项.

结论:

关键词:
区块链 区块链 区块链 区块链平行处理是平行处理.可扩展性 可扩展性碎片化 碎片化

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  • 该研究提供了对区块链分片技术的全面概述和批判性评估.
  • 确定了开放问题和未来的研究方向,以推进区块链可扩展性.
  • 强调强有力的评估标准对于分片计划的发展的重要性.