资讯

C&EN23 天
Role of Organic Additives and pH on the Wet Absorption Process for SO
Department of Chemical Engineering, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea ...
C&EN28 天
ACS Earth and Space Chemistry
This publication is Open Access under the license indicated. Learn More ...
Gemological Institute of America2 天
Three-Phase Inclusions in Emerald and Their Impact on Origin Determination
Ultraviolet through visible and near-infrared (UV-Vis-NIR) spectra were collected with a Hitachi U-2900 spectrophotometer (for polarized ordinary ray spectra) at 1 nm resolution and a PerkinElmer ...
来自MSN25 天
Photoacoustic spectroscopy approach achieves real-time detection of low gas concentrations
"Unlike other trace gas detection methods that rely on photoacoustics, ours is not limited to specific gases and does not require prior knowledge of the gas that might be present." In Optica ...
Gemological Institute of America27 天
Observations on Pearls Reportedly from the Pinnidae Family (Pen Pearls)
Figure 1. These 20 completely non-nacreous pen pearls, from the group of 22 samples in this study, are set against a pen shell displaying both nacreous (left) and non-nacreous areas (right). Photo by ...