相关实验视频

Updated: Feb 6, 2026

Separation and Identification of Conventional Microplastics from Farmland Soils
14:10

Separation and Identification of Conventional Microplastics from Farmland Soils

Published on: March 21, 2025

3.4K

在Punta Coles,Humboldt Current系统的三种秘鲁瓜诺海鸟物种的瓜诺中发现的微塑料

J A Valeriano-Zapana1, M A Percca-Mendoza2, J J Melendez-Mier2

  • 1Laboratorio de Procesos Industriales y Ambientales, Escuela Profesional de Ingeniería Ambiental, Universidad Nacional de Moquegua (UNAM), Prolongación Ciudad Jardín s/n, Ilo, 18611, Peru; Grupo de Investigación en Ciencias de la Atmósfera (GICA), Instituto de Investigación para el Desarrollo del Perú (IINDEP), Universidad Nacional de Moquegua (UNAM), Prolongación Ciudad Jardín s/n, Ilo, 18611, Peru.

Marine pollution bulletin
|February 4, 2026
PubMed
概括

在80.6%的秘鲁瓜诺鸟便中发现了微塑料 (MP),主要是聚纤维. 这项研究强调了便分析作为监测保护区海洋塑料污染的非致命方法.

关键词:
便 便 便 便洪博尔特电流是目前的海洋保护区 海洋保护区微塑料是一种微塑料.秘鲁 秘鲁 秘鲁 秘鲁 秘鲁海洋鸟类 海洋鸟类

更多相关视频

Sampling and Identification of Microplastics in Groundwater08:27

Sampling and Identification of Microplastics in Groundwater

Published on: November 7, 2025

1.2K
Protocol for Microplastics Sampling on the Sea Surface and Sample Analysis10:16

Protocol for Microplastics Sampling on the Sea Surface and Sample Analysis

Published on: December 16, 2016

50.9K

相关概念视频

What is a Species?01:17

What is a Species?

Overview
50.4K
Keystone Species01:39

Keystone Species

Measures of species biodiversity, such as richness (i.e., the number of species present) and evenness (i.e., their relative abundance), describe an ecological community’s structure. Many factors affect community structure, including abiotic factors (e.g., sunlight and nutrients), disturbances (e.g., fire or flood), species interactions (e.g., predation or competition), and chance events (e.g., foreign species invasion). Certain species—such as keystone species—also play a...
24.9K
Formation of Species01:31

Formation of Species

Speciation describes the formation of one or more new species from one or sometimes multiple original species. The resulting species are discrete from the parent species, and barriers to reproduction will typically exist. There are two primary mechanisms, speciation with and without geographic isolation—allopatric and sympatric speciation, respectively.
45.3K
Electrical Current01:10

Electrical Current

Electrical current is defined as the rate at which charge flows. When there is a large current present, such as that used to run a refrigerator, a large amount of charge moves through the wire in a small amount of time. If the current is small, such as that used to operate a handheld calculator, a small amount of charge moves through the circuit over a long period of time. The SI unit for current is the ampere (A), named for the French physicist André-Marie Ampère (1775–1836).
7.2K
Current Density01:21

Current Density

The total amount of current flowing through one unit value of a cross-sectional area is referred to as current density. If the current flow is uniform, the amount of current flowing through a conductor is the same at all points along the conductor, even if the conductor area varies. The current density consists of the local magnitude and direction of the charge flow, which varies from point to point. Current density is measured in amperes per meter square, and direction is defined as the net...
5.1K
Eddy Currents01:25

Eddy Currents

Since eddy currents occur only in conductors, magnets can separate metals from other materials. For example, in a recycling center, trash is dumped in batches down a ramp, beneath which lies a powerful magnet. Conductors in the trash are slowed by eddy currents, while nonmetals in the trash move on, separating from the metals. This works for all metals, not just ferromagnetic ones.
Other major applications of eddy currents appear in metal detectors and the braking systems of trains and roller...
2.7K