chem =chemical; chemist; chemistry chemical 释义 1. 化学的 化学上的 化学用的 He devoted his life to chemical research. 他一生从事化学研究。 n. 1. 化学制品;化学药品[C][P1] He is experimenting with a new chemical. 他正在实验一种新的化学制品。 chemical 反义参见: physical mechani...
2K &3K Tellerette Tower Packing Tellerette Packing for Scrubber Systems Plastic rosette ring, a type of typical random packing, is made of various plastic materials, has excellent corrosion and chemical resistance performance. it can be used in different temperature c...
What is Shingchem R22 Refrigerant Gas Price with High Purity R22 share: Contact Now Chat with Supplier Get Latest Price About this Item Details Company Profile Price Min. OrderReference FOB Price 1 kgUS$2.00 / kg Sepcifications CAS No.75-45-6 ...
N,N-Dimethylformamide, or dimethylformamide is an organic compound with the formula (CH3)2NC(O)H. Commonly abbreviated as DMF (although this initialism is sometimes used for dimethylfuran, or dimethyl fumarate).
Chemiosmosis is the movement of ions from high concentration to low concentration through a selectively permeable membrane. Chemiosmosis depends on the diffusion principle. Diffusion is the movement of particles from high concentration to low concentration, in other words, the movement of particles down ...
The science of Chem-Dry is one of the biggest factors setting us apart from the competition Almost every aspect of the Chem-Dry process is based on decades of scientific research. For over 48 years, Chem-Dry has led the carpet cleaning industry with cutting-edge products and cleaning processe...
A benefit of pursuing a chemistry degree, experts say, is that the credential is marketable and versatile. Compensation figures from the U.S. Bureau of Labor Statistics indicate that the median annual salary among chemists in May 2019 was $77,630. ...
Chem film or more appropriately chemical film is a term describing a chemical conversion coating most often associated with applying chromates to aluminum. The most widely known trade names for this process are Henkel’s Alodine® and MacDermid Enthone’s Iridite®. They are a category of ...
The term 'chemical distributor' or 'ingredient or raw materials distributor' has many different interpretations within the global chemical community. In the context of the World Chemical Distributor Directory the term is defined by those companies meeting the following criteria:...
This focus only on the principles of CE has led to confusion among scholars, who conclude that the concept only pertains to solid waste management and that CE already existed in the context of the three '3Rs' (reuse, recycle, reduce) in this field. However, CE is a tool for water and...