在许多情况下,胶体的稳定依赖于颗粒间静电斥力在颗粒界面的离子团起主要作用因为斥力是零,范德华吸引力可能导致凝
The manufacture of Portland cement depends upon many f
Accuracy and precision have distinct meanings. General
Light has properties that can be used for determining
standard test method for determining organic chloride
standard test method for nitrogen in petroleum and pet
standard test method for determination of total sulfur
standard test method for trace chloride in liquid arom
standard test method for trace nitrogen in liquid petr