All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program. Go To: Top, Mass spectrum (electron ionization), Notes. Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A.

CH4：打开建立的Project，从菜单栏中选择 File|Import... 点击 Import 按钮打开 Import Document 对话框，选择Structures/organics 然后选择 methane.msi，最后点击 Open 按钮。 石英： 右键后点击Import，然后选择Structure，进入metal-oxides文件夹；在metal-oxides文件夹中找到并打开SiO2_quartz.msi文件. 得到石英原胞如图所示， 具有原胞后可对结构进行超胞化和截面，如图点击Build—Symmetry—Supercell： 弹出Supercell设置会话框，根据需要自行设置三个方向大小， …

全国计算机二级ms模拟考试软件是专为2018年九月份全国计算机二级ms考生设计的模拟考试软件。考生们可以在考试之前使用这个软件对自己复习的内容进行检测，了解自己复习的真实结果，同时也可以对检测到的不足再复习。

This MassBank Record with Accession MSBNK-Fac_Eng_Univ_Tokyo-JP001582 contains the MS mass spectrum of 'METHANE' with the InChIKey 'VNWKTOKETHGBQD-UHFFFAOYSA-N'.

2024年7月21日 · 这个帖子主要是讲自扩散系数的MS操作，主要涉及forcite模块、adsorption locator模块。 限于知识和硬件水平，帖子内计算得到的自扩散系数无参考意义。 帖子最后我会单独写写自己关于提高结果准确性的理解。

ms如何绘制小分子？这里通过绘制ch4小分子简单教授如何绘画小分子

2024年11月17日 · 为了从热力学角度揭示co2和ch4在煤上的竞争吸附实质,为驱替理论提供热力学参考,利用高压气体吸脱附-微量热联用仪,通过容量法测定30℃,40℃,50℃温度下co2和ch4在煤上的吸附等温线,同时计算等量吸附热和极限吸附热,并...

This method allows precise measurement of CH4 concentrations in gaseous sample as well as in a solid or a liquid sample after a thermodesorption step in a headspace vial. A full accuracy profile validation of this method is then presented.

Quantity Value Units Method Reference Comment; Δ r H°-274.5 ± 2.2: kJ/mol: RSC: Holm, 1981: solvent: Diethyl ether; The enthalpy of formation was calculated using the assumptions and the auxiliary data in Holm, 1981, except for the organic compound, whose enthalpy of formation was quoted from Pedley, 1994; MS

Online calculator, figures and tables showing dynamic and kinematic viscosity of methane, CH 4, at varying temperature and pressure - Imperial and SI Units. The viscosity of a fluid is a measure of its resistance to gradual deformation by shear stress or tensile stress .