The gas evolutiontest method has the advantage that the effective coal dust content in green sand can be determined rapidly and accurately.
发气量 试验方法的优点是能够迅速和准确地确定 型 砂中有效煤粉的具体含量。
2
The biodegradability of regenerated cellulose film was tested by soil-burial test in field, culture-dish test and CO2 evolutiontest respectively.
采用田间掩埋、平皿培养和CO2释放试验分别测试了再生纤维素膜的生物降解性。
3
Published in the journal Evolution and Human Behaviour, the study compared reasoning and reaction time test scores with measurements of facial symmetry in 216 men and women studied since 1932.