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相关概念视频

The Periodic Table and Organismal Elements00:57

The Periodic Table and Organismal Elements

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Overview
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Periodic Classification of the Elements04:00

Periodic Classification of the Elements

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The periodic table arranges atoms based on increasing atomic number so that elements with the same chemical properties recur periodically. When their electron configurations are added to the table, a periodic recurrence of similar electron configurations in the outer shells of these elements is observed. Because they are in the outer shells of an atom, valence electrons play the most important role in chemical reactions. The outer electrons have the highest energy of the electrons in an atom...
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Elements and Compounds01:27

Elements and Compounds

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Pure substances consist of only one type of matter. A pure substance can be an element or a compound. An element consists of only one type of atom, while a compound consists of two or more types of atoms held together by a chemical bond.
Elements
Elements are classified as atomic or molecular based on the nature of their basic units. They are unique forms of matter with specific chemical and physical properties that cannot break down into smaller substances by ordinary chemical reactions. There...
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Prediction Intervals01:03

Prediction Intervals

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The interval estimate of any variable is known as the prediction interval. It helps decide if a point estimate is dependable.
However, the point estimate is most likely not the exact value of the population parameter, but close to it. After calculating point estimates, we construct interval estimates, called confidence intervals or prediction intervals. This prediction interval comprises a range of values unlike the point estimate and is a better predictor of the observed sample value, y. 
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Classification of Elements and Compounds02:54

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Pure substances consist of only one type of matter. A pure substance can be an element or a compound. An element consists of only one type of atom, while a compound consists of two or more types of atoms held together by a chemical bond. Elements are classified as atomic or molecular based on the nature of their basic units.
Compounds are pure substances composed of two or more elements in fixed, definite proportions. Compounds are classified as ionic or molecular (covalent) based on the bonds...
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Like all living organisms, plants require organic and inorganic nutrients to survive, reproduce, grow and maintain homeostasis. To identify nutrients that are essential for plant functioning, researchers have leveraged a technique called hydroponics. In hydroponic culture systems, plants are grown—without soil—in water-based solutions containing nutrients. At least 17 nutrients have been identified as essential elements required by plants. Plants acquire these elements from the...
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Updated: Jan 29, 2026

Experimental Column Setup for Studying Anaerobic Biogeochemical Interactions Between Iron OxyHydroxides, Trace Elements, and Bacteria
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狗血中微量元素的参考间隔

Belén Larrán1, Marta López-Alonso1, Marta Miranda2

  • 1Department of Animal Pathology, Faculty of Veterinary Medicine, Universidade de Santiago de Compostela, 27002 Lugo, Spain.

Animals : an open access journal from MDPI
|January 28, 2026
PubMed
概括
此摘要是机器生成的。

这项研究确定了狗血中12种基本微量元素的关键参考间隔,这些微量元素对于诊断疾病和推进兽医研究至关重要. 这些发现为犬类健康评估提供了基础资源.

关键词:
在ICP-MS中,使用的是ICP-MS.狗类犬类动物 狗类犬类重金属重金属的使用.金属是金属,金属是金属.矿物质是矿物质中的一种.有毒的元素有毒的元素.

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科学领域:

  • 兽医医学 兽医医学 兽医医学
  • 分析化学 分析化学
  • 生物化学 生物化学

背景情况:

  • 微量元素对生物体的健康至关重要,并与各种疾病有关.
  • 越来越多的对兽医的兴趣,特别是狗的健康,突出了建立微量元素参考值的需要.
  • 现有的关于犬类微量元素参考间隔的数据有限.

研究的目的:

  • 为了确定狗血中13种微量元素的参考间隔.
  • 为临床评估和未来研究提供基础数据集,用于对犬类微量元素的分析.
  • 研究基于品种,生殖状况,性别,年龄和体型的微量元素度的潜在变化.

主要方法:

  • 分析了140只狗的血样本.
  • 诱导合等离子体质谱法 (ICP-MS) 用于元素定量.
  • 对于12个元素计算了参考间隔,大多数样本的 (Cd) 值低于定量限值.

主要成果:

  • 对 (As), (Co), (Cr),铜 (Cu),铁 (Fe), (Hg), (Ni), (Mn), (Mo), (Pb), (Se) 和 (Zn) 建立了参考间隔 (μg/L).
  • 在77%的样本中, (Cd) 含量低于量化极限.
  • 虽然在品种或生殖状况方面没有发现差异,但在某些元素 (Cu,Mo,Zn,Co,Mn,Se) 中,性别,年龄和大小显示出统计学上显著的,尽管很弱的变化.

结论:

  • 狗血中12种微量元素的确定的参考间隔是兽医诊断的关键资源.
  • 性,年龄和体型等因素会影响微量元素度,在解释过程中应考虑这些因素.
  • 这项研究提供了必要的数据,以促进对狗的微量元素相关疾病的理解和临床管理.