相关实验视频

Updated: Jul 6, 2025

Real-time Monitoring of Reactions Performed Using Continuous-flow Processing: The Preparation of 3-Acetylcoumarin as an Example
09:56

Real-time Monitoring of Reactions Performed Using Continuous-flow Processing: The Preparation of 3-Acetylcoumarin as an Example

Published on: November 18, 2015

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7-甲基-4-甲基胺:使用机器学习和与实验数据的比较,预测气相形成的标准摩尔

Fausto Díaz-Sánchez1, Miguel Angel García-Castro1, María Patricia Amador-Ramírez2

  • 1Facultad de Ingeniería Química de la Benemérita Universidad Autónoma de Puebla, 18 Sur y Av. San Claudio, C.P., Puebla Pue 72570, Mexico.

ACS omega
|January 1, 2024
PubMed
概括

对于7-methoxy-4-methylcoumarin,形成的标准度被实验确定并使用机器学习进行预测. 这项研究为库马林衍生物提供了准确的热力学数据.

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Computation of Atmospheric Concentrations of Molecular Clusters from ab initio Thermochemistry

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Construction of Models for Nondestructive Prediction of Ingredient Contents in Blueberries by Near-infrared Spectroscopy Based on HPLC Measurements10:25

Construction of Models for Nondestructive Prediction of Ingredient Contents in Blueberries by Near-infrared Spectroscopy Based on HPLC Measurements

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Predicting Molecular Geometry02:27

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VSEPR Theory for Determination of Electron Pair Geometries
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Standard Enthalpy of Formation02:37

Standard Enthalpy of Formation

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Experimental Determination of Chemical Formula02:37

Experimental Determination of Chemical Formula

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Kinetics describes the rate and path by which a reaction occurs. In contrast, thermodynamics deals with state functions and describes the properties, behavior, and components of a system. It is not concerned with the path taken by the process and cannot address the rate at which a reaction occurs. Although it does provide information about what can happen during a reaction process, it does not describe the detailed steps of what appears on an atomic or a molecular level. On the other hand,...
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An unknown compound can be established by identifying the molecular ion peak in the mass spectrum. The molecular ion peak is often weak or absent due to the predominance of fragmentation in high-energy electron beams. In such cases, a low-energy electron beam can be used to scan the spectrum to enhance the intensity of the molecular ion peak. Additionally, chemical ionization, field ionization, and desorption ionization spectra are used to obtain a relatively intense molecular ion peak.
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