目的探讨我国二甲基甲酰胺 ( DMF ) 的生物接触限值 ( BEI ).Objective To explore the biological exposure indices ( BEI ) of dimethylformamide ( DMF ) in China.研究表明,该反应器可有效降解苯甲酰胺.The results show that the new type reactor could degrade benzamid...
Do not permit children to indulge in superfluities until esqsentials are met.在孩子们未抓住要点之前别让他们过于注意细节.Superfluous wealth can buy superfluities only.多余的财富只能买来多余的东西....
During pollen formation a compound is produced naturally in the anther.在花粉形成过程中,花药内天然产生一种化合物.And one thing led to anther.于是一件事情接上一件.Since unexpected incidents occurred on after anther, the exhibition was called off.因为意外事...
First, introduce two classification methods adopted by this system - LVQ nerve network and curvilinear correlation.首先介绍了系统所采用的LVQ神经网络和求相关性两种分类方法.LVQ neural network model assessing road atmospheric environmental quality w...
The extrusion of silica - rich lava, the Rooiberg felsite, occurred on a grand scale.富于 硅氧 的岩流及罗依山霏细岩的喷出作用占据了广大面积.There are lots of advantages by cold extrusion for straight knurl nut in a single process.直纹滚花螺母采用冷挤压一次成形新...