Nabumetone reference substance (content of 99.85%), raw materials, Southwest Synthetic Pharmaceutical Factory; theophylline, China Pharmaceutical and Biological Products Inspection; nabumetone tablets, Jiangxi Dawn Pharmaceutical Factory. Methanol, sodium acetate, glacial acetic acid were o......

The researchers used a high-level electron microscope called Cryo-EM, which was awarded to the Nobel Prize in 2017 for magnification and capture of the reading mechanism's image with unprecedented detail.......

Vinyl acetate market in 2017 after two rounds of push up. At the beginning of the second quarter, vinyl acetate ushered in the overhaul season. Ningxia Earth, Inner Mongolia Shuangxin and Shanxi Three-dimensional, together with Shanghai Petrochemical Co., Ltd., stopped its parking at the en......

Low-cost hydrogen production is the basis for achieving "hydrogen economy." One of the ideal programs is to simulate the photoreaction stage of photosynthesis in plants, using sunlight to decompose water. At present, artificially decomposing water often consumes extra ener......

In chemical production, scientists experiments and life activities, the catalyst is fully demonstrated. For example, vanadium pentoxide is used as a catalyst in sulfuric acid production. Nitrogen gas with hydrogen synthesis of ammonia, iron-based multi-group catalyst to be used to improve t......