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Issues And Trends In Healthcare Delivery System01:29

Issues And Trends In Healthcare Delivery System

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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Minerals

Minerals are essential nutrients that the human body needs in small amounts to work properly. They play a vital role in many bodily functions, such as building strong bones and transmitting nerve impulses. Some minerals are needed for hormone production or to maintain a normal heartbeat. Major minerals include calcium, phosphorus, potassium, sulfur, sodium, chlorine, and magnesium, while trace minerals include iron, manganese, copper, iodine, zinc, cobalt, fluoride, and selenium.

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相关实验视频

Updated: Jun 16, 2026

Measuring Carbon-based Contaminant Mineralization Using Combined CO2 Flux and Radiocarbon Analyses
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Published on: October 21, 2016

矿产资源开发和利用的区块链支持可追溯性评估框架:一个模糊的综合评估方法.

Guodong Ma1, Hongxi Bai2, Wei Zhao1

  • 1Mineral Resources Evaluation Department, Qinghai Geological Survey, Xining, 810000, Qinghai, China.

Scientific reports
|March 2, 2026
PubMed
概括

本研究介绍了一个基于区块链的框架,以改善矿物质的可追溯性,解决供应链中的数据问题. 区块链显著提高了数据准确性和追溯效率,以改善资源治理.

关键词:
区块链技术是区块链技术.评估框架 评估框架模糊的综合评估模糊的综合评估.矿产资源可追溯性的矿产资源可追溯性智能合约是一种智能合约.供应链管理 供应链管理

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科学领域:

  • 地质科学 地质科学
  • 计算机科学 计算机科学
  • 信息系统信息系统信息系统

背景情况:

  • 矿产资源开发在可追溯性方面面临挑战,原因是信息不对称和数据伪造.
  • 复杂的价值链阻碍了有效的验证和数据完整性.
  • 目前的可追溯系统缺乏对数据操纵的稳定性.

研究的目的:

  • 为矿产资源开发提出一个全面的区块链支持的可追溯性评估框架.
  • 提高整个矿物生命周期的数据完整性和问责制.
  • 为评估可追溯性性能提供系统的方法.

主要方法:

  • 开发一个四层区块链架构 (数据采集,存储,分析,应用).
  • 构建一个层次的指标系统 (宽度,深度,精度,及时性,可信度).
  • 应用分析层次过程 (AHP) 和模糊的综合评估进行评估.

主要成果:

  • 经验验证证明了框架的适用性,得分为81.2 (好评).
  • 区块链系统实现了96.8%的数据准确性,而传统方法的数据准确率为82.4%.
  • 追溯效率从127.3分钟提高到4.7分钟,区块链对这一改善贡献了47.3%.

结论:

  • 拟议的区块链框架有效地解决了矿产可追溯性的挑战.
  • 区块链技术显著提高了矿产供应链中的数据准确性,效率和问责制.
  • 该研究为透明和负责任的矿产资源治理提供了基础.