surfactant的意思|surfactant的解释-里氏词典

[化] 表面活性剂

[医] 表面活性剂, 表面活化剂

surfactant

[ noun ]
a chemical agent capable of reducing the surface tension of a liquid in which it is dissolved
<noun.substance>

In their experiment, the researchers washed paired batches of the oil-coated Alaskan gravels, one batch in each pair with water and the other with a 1% solution of Pseudomonas aeruginosa surfactant.
Last week DeSoto announced that it had agreed to sell its industrial coatings business and its surfactant and emulsifier lines for about $200 million.
He said a big advantage the microbial surfactant has over chemical surfactants is that it's nontoxic and biodegradable. The oil released with warm water tends to go back into the sea unless special measures are taken to contain it.
They incorporated the peptide in a chemically made coating, and determined in experiments with rabbits and monkeys that it produced an "excellent surfactant."
The surfactant removed three and a half times as much oil as water at 40 degrees, and 2.4 times at 50 degrees.
In adults, the body produces surfactant, which prevents the inside of a lung from sticking to itself.
Jeffrey Whitsett, director of Children's Hospital's division of pulmonary biology, and head of the group that identified the proteins, said surfactant yielded by recombinant DNA techniques may have advantages over animal extracts.
The recently discovered proteins spur the creation of lung surfactant, a substance that coats the lining of healthy lungs, allowing oxygen in the lungs to diffuse into the bloodstream.

您正在访问的是
中国词汇量第二的英语词典
更多精彩，登录后发现......

2005 - 2024 Dict.li Online Dictionary