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Acid Attack on Concrete01:21

Acid Attack on Concrete

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When acids come into contact with concrete, they initiate a chemical reaction that dissolves the hydrated cement paste. This process leads to softening and structural weakening of the concrete. This issue is commonly observed in environments such as chimneys, sewers, and industrial settings. The severity of the damage increases as the pH of the water interacting with the concrete drops below 6.5. In particular, a pH under 4.5 can cause significant concrete damage.
The rate at which hydrogen...
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Sulfate Attack on Concrete01:29

Sulfate Attack on Concrete

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Sulfate attack on concrete is a deterioration process characterized by a whitish discoloration beginning at the edges and corners, accompanied by cracking and spalling. This phenomenon occurs when sulfates react with the components of hardened concrete, forming compounds like calcium sulfate and calcium sulfoaluminate which occupy more space than the substances they replace, causing the concrete to expand and disrupt.
Sulfates from sources like soil, groundwater, or industrial effluents...
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Chronic Pancreatitis II: Collaborative Care01:29

Chronic Pancreatitis II: Collaborative Care

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The management of chronic pancreatitis is multifaceted, involving a comprehensive approach that includes thorough assessment, diagnostic testing, and a variety of management strategies.
Assessment:
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The Concept of Multiple Allelism
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Multiple Regression01:25

Multiple Regression

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Multiple regression assesses a linear relationship between one response or dependent variable and two or more independent variables. It has many practical applications.
Farmers can use multiple regression to determine the crop yield based on more than one factor, such as water availability, fertilizer, soil properties, etc. Here, the crop yield is the response or dependent variable as it depends on the other independent variables. The analysis requires the construction of a scatter plot...
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Local Attraction01:22

Local Attraction

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Local attraction refers to disturbances in compass readings caused by magnetic influences from nearby objects such as metal fences, buried pipes, vehicles, buildings, power lines, or natural iron ore deposits. Small items like wristwatches, steel tools, or belt buckles can also interfere with the compass by creating local magnetic fields that distort the Earth's natural magnetic field. These distortions lead to inaccurate readings, posing navigation and land surveying challenges.Local...
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Updated: Feb 11, 2026

BioMEMS: Forging New Collaborations Between Biologists and Engineers
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UAV協調型妨害攻撃における複数妨害装置の反復局在化手法

Li Huang1, Luhao Xiong2, Shijie Huang1

  • 1School of Cyber Science and Engineering, Southeast University, Nanjing, 210000, China.

Scientific reports
|February 9, 2026
PubMed
まとめ
この要約は機械生成です。

本研究では、ドローン攻撃における複数の妨害装置を特定するための新しいアルゴリズムを紹介します。マルチ戦略改良型グレイウルフ最適化（MSIGWO）は、局在化の精度と妨害装置の識別を向上させます。

キーワード:
グレイウルフ最適化アルゴリズム妨害装置局在化妨害攻撃UAVネットワーク

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科学分野:

  • * 電気工学およびコンピュータサイエンス; * ロボティクスおよび自律システム

背景:

  • * 複数の無人航空機（UAV）による協調型妨害攻撃は、通信ネットワークに重大な脅威をもたらします。; * これらの妨害装置の正確な局在化は、効果的な対抗策とネットワークセキュリティにとって不可欠です。

研究 の 目的:

  • * UAVベースの協調型妨害シナリオにおけるマルチ妨害装置局在化のための堅牢なアルゴリズムを開発すること。; * 高度な最適化技術を通じて、妨害装置局在化の精度と効率を向上させること。

主な方法:

  • * マルチ妨害装置シナリオに特有のネットワーク、妨害、およびノードモデルの導入。; * 局在化を単一目的問題に変換する誤差最小化ベースの最適化手法の開発。; * 非線形収束係数、適応的差分突然変異、およびカオス的局所探索を組み込んだマルチ戦略改良型グレイウルフ最適化（MSIGWO）の提案。

主要な成果:

  • * 提案されたマルチ戦略改良型GWOベースおよび誤差最小化マルチ妨害装置反復局在化アルゴリズム（MSIGWO-MJL）は、高い局在化精度を示します。; * このアルゴリズムは、攻撃シナリオに存在する妨害装置の数を正確に推定します。; * 実験結果は、複雑なマルチ妨害装置攻撃環境における優れた全体的なパフォーマンスを確認します。

結論:

  • * MSIGWO-MJLアルゴリズムは、マルチ妨害装置局在化の課題に対処する上で大きな進歩を提供します。; * 提案された最適化戦略は、収束速度を効果的に改善し、局所最適解を防ぎます。; * この研究は、妨害攻撃に対するUAVシステムの回復力を強化するための貴重なツールを提供します。