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Sustainable Development01:43

Sustainable Development

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As the human population continues to grow and use resources, we must be mindful of our planet’s natural limits. Sustainable development provides a pathway to maintain and improve human life now while also ensuring that future generations will have the resources that they need. The long-term success of sustainability efforts rests on understanding the interplay between human actions and ecological systems.
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Standard Deviation01:10

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The most commonly used measure of variation is the standard deviation. It is a numerical value measuring how far data values are from their mean. The standard deviation value is small when the data are concentrated close to the mean, exhibiting slight variation or spread. The standard deviation value is never negative, it is either positive or zero. The standard deviation is larger when the data values are more spread out from the mean, which means the data values are exhibiting more variation.
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Measurement is an indispensable part of analytical chemistry. The result of measurement helps quantify a substance's physical property and compare it with the physical property of another substance. Each measurement comprises two components - a number indicating the magnitude and a unit of measurement as a standard for comparison. Further, the same quantity can be measured using different units of measurement, which leads to differences in magnitude.
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Every measurement provides three kinds of information: the size or magnitude of the measurement (a number), a standard of comparison for the measurement (a unit), and an indication of the uncertainty of the measurement. While the number and unit are explicitly represented when a quantity is written, the uncertainty is an aspect of the errors in the measurement results.
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The factors influencing the health-illness continuum can be internal or external and may or may not be under conscious control. They are related to the following eight human dimensions, and each dimension is interrelated to one other.
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A physical quantity is defined either by specifying its measurement method or by stating how it is calculated from other measurements. For example, consider a metallic cube. We might define its mass and dimensions by specifying methods for measuring them, such as using a weighing machine and a meter scale. Then, we could define the volume by stating that it is the cube of its side, and we could calculate the density as the mass divided by the volume.
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国家可持续发展目标绩效反映的三个主要维度.

Xutong Wu1, Bojie Fu1,2, Shuai Wang1

  • 1State Key Laboratory of Earth Surface Processes and Resource Ecology, Faculty of Geographical Science, Beijing Normal University, Beijing 100875, China.

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此摘要是机器生成的。

实现17个可持续发展目标 (SDGs) 是一个复杂的过程. 这项研究揭示了国家可持续发展目标绩效的三个关键方面,发现了经济增长和环境/平等目标之间的冲突,表明需要可持续转型.

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科学领域:

  • 全球可持续性研究研究.
  • 社会经济分析 社会经济分析
  • 环境科学环境科学

背景情况:

  • 17个可持续发展目标 (SDGs) 相互关联,对全球进步至关重要.
  • 了解实现可持续发展目标的基本维度和驱动因素对于有效的政策制定至关重要.
  • 现有的研究往往忽视了不同可持续发展目标之间的复杂相互作用和权衡.

研究的目的:

  • 在所有17个可持续发展目标中实证地确定国家进步的主要维度.
  • 调查经济发展 (人均GDP) 与这些已识别的可持续发展目标维度之间的关系.
  • 根据目前的发展模式,评估实现所有可持续发展目标同时实现的前景.

主要方法:

  • 利用一个全面的数据库,跟踪166个国家的个人可持续发展目标进展情况.
  • 采用统计分析来确定解释国家可持续发展目标绩效变化的潜在维度.
  • 检查了人均GDP与确定SDG维度之间的相关性.

主要成果:

  • 大约70%的国家可持续发展目标绩效变化是由三个方面解释的:社会经济发展与资源/气候,环境和发展与平等.
  • 经济增长 (人均国内生产总值的增长) 显示出每个维度的不同模式:首先是单调的增长,环境的减少然后增加,以及不平等的增加然后减少.
  • 在当前的发展模式中,经济增长和资源/气候目标之间存在重大冲突.

结论:

  • 由于固有的冲突,目前的发展模式对实现所有可持续发展目标的前景淡.
  • 可持续转型对于使经济目标与环境和社会公平目标相协调至关重要.
  • 政策干预必须解决经济增长与实现所有可持续发展目标之间平衡进展之间的权衡问题.