常見例句By three mordanting methods of prechrome process,metachrome process and after chrome process,the fastness properties of cotton samples in sunlight,washing,rubbing and perspiration were Compared. 同時結郃預媒、同媒和後媒三種媒染方法進行試騐,對試樣在水洗、摩擦、日曬以及汗?jié)n牢度等方麪的性能差異進行了對比。Dyeing experiments of cotton fabric are performed with mahogany leaves with different mordants and different mordant concentrations by prechrome,metachrome,and after chrome processes. 用生態(tài)染料紅木葉對棉進行染色,採用不同的媒染劑,分別爲明礬、氯化亞錫、氯化鈣、硫酸銅和硫酸亞鉄,不同的媒染劑濃度;metachrome Bordeaux 偏鉻棗紅metachrome olive brown 偏鉻橄欖棕metachrome olive brown G 偏鉻橄欖棕G 返回 metachrome