英文: Abstract: In view of technical problem of hydro-pyro processing of lead anode slime,by changing technological conditions of pretreatment
and optimizating technological procedure,the cost of process decreased and the recovery of Ag increased to 98.34%,whic
英文: Abstract: The less-biodegradable printing and dyeing wastewater has been pretreated by an iron chipping-filtration process.The results indicate that the pretreatment
process can improve biodegradability of the wastewater and reduce COD and colority,result
英文: As pretreatment
primer for steel surfaces such as ship and container.
英文: Based on characteristic of silk and cotton fibers, one bath pretreatment
with enzyme and hydrogen peroxide, and then reactive dyeing for silk and cotton interwoven fabric were adopted.
中文: 摘要针对真丝与棉交织物中两种组分纤维的特点，通过试验对比，采用生物酶与双氧水煮漂一浴法进行前处理，再用单活性染料染色。 更详细...
英文: Even though the pretreatment
to the fingerprint image choose better threshold value before binarization, the characteristic especially wrong characteristic of new arisen get by image strengthened will influence the discernment of fingerprint identificatio