Silica gel is an important adsorption material with a three-dimensional spatial network structure. Silica gel has the characteristics of large specific surface area, high internal porosity and large water absorption capacity. Its main component is amorphous silica and also contains a certain amount of structural water. The following is the definition and classification analysis of the silica gel industry.
The COVID-19 pandemic has reemphasized the indispensable role of plastics in our daily life. Plastics in terms of personal protective equipment (PPEs) and other single-use medical equipment along with packaging solutions owing to their inherent properties have emerged as a life-savior for protecting the health and safety of the frontline health workers and the common citizens during the pandemic. However, plastics have been deemed as evil polluter due to their indiscriminate littering and mismanagement amid increased plastic usage and waste generation during this unprecedented crisis. This article reviews and assesses to dwell upon whether plastics in the time of pandemic are acting as protector of the public health or polluter of the environment. Considering the utilities and limitations of plastic along with its management or mismanagement, and the fate, an equitable appraisal suggests that the consumers' irresponsible behavior, and attitude and poor awareness, and the stress on wast
In WJM, there are not a few female employees, and they have contributed a lot to the development of WJM. On this special day, we would like to send our sincere wishes and wish the female employees of WJM a happy holiday. Likewise, I wish all the female in the world a happy holiday!