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Updated: Sep 9, 2025

Standardized Method for Measuring Collection Efficiency from Wipe-sampling of Trace Explosives
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Android OSのファイル消去アプリケーションの法医学分析と評価

Dong Bin Oh1, Somi Lim2, Suji Lee3

  • 1School of Cybersecurity Korea University, Seoul, Korea.

Journal of forensic sciences
|September 5, 2025
PubMed
まとめ

Androidのファイル消去アプリは データを安全に消去できず 復元可能な証拠を残します 私たちの研究は これらのツールに 標準が欠けていることを明らかにし デジタル・フォレンスに 削除活動を検知するための枠組みを提案しています

キーワード:
アンドロイド・フォレンジック法廷医薬アプリケーション分析ファイル消去法医的な遺物

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Censoring Survival Data01:09

Censoring Survival Data

Survival analysis is a statistical method used to analyze time-to-event data, often employed in fields such as medicine, engineering, and social sciences. One of the key challenges in survival analysis is dealing with incomplete data, a phenomenon known as "censoring." Censoring occurs when the event of interest (such as death, relapse, or system failure) has not occurred for some individuals by the end of the study period or is otherwise unobservable, and it might have many different...
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Deleterious Substances in Aggregate

Deleterious substances in aggregates can be detrimental to the quality and durability of concrete. These substances include organic impurities like loam, which interfere with cement hydration and are usually present in the sand. These prevent a good bond between aggregate and cement paste. Organic impurities can be detected using the colorimetric test, where the darkness of a solution after agitation indicates the level of organic content.
Another type of impurity is clay and fine material that...
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Sample Preparation for Analysis: Advanced Techniques

Accurate analysis of complex samples often requires advanced preparation techniques to achieve reliable and reproducible results. Samples containing inorganic or organic materials can be challenging to dissolve or decompose effectively. Standard sample preparation methods include acid digestion, fusion, dry ashing, and wet digestion.
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Sample Preparation for Analysis: Overview

Sample preparation is an essential step in the analytical process. It involves preparing a sample so that it can be analyzed accurately. The goal is to extract the analyte, the substance you want to measure, from the sample while removing any components that may interfere with the analysis. Sample preparation techniques vary depending on the physical state of the sample.
Bulk or large solid samples are typically reduced in size using grinding, crushing, or milling techniques to increase the...
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