block sampling meaning in English

分段采样
分块抽样
区域抽样

Area and block sampling
区街教育取样
Cleaning the sample judge as scrap and recycle which exceed save limit time by lab leader , recycle block sample return to sintering process for demagnetization , re - inspection according to normal process after complete , the scrap deliver to production warehouse supervisor handing and fill in “ sample disposal form ”
判定为报废的和超出保留期限的回用品由实验室组长安排人员对样品进行清理，回用的块状样品退回给烧结工序，进行退磁处理，完成后按正常程序重新报检，废品交送生产车间废品库管理人员，办理交接手续需填写“样品处置单” 。
The graphitized cathode block samples have been trial - produced using high quality eca ( electrically calcined anthracite ) rationed petroleum coke and pitch coke and quantitative pitch used as raw materials by the conventional carbon technics concluding moulding , baking , high pressure impregmating , after - baking and graphitization
摘要选取优质电煅无烟煤，分别配以一定比例的石油焦和沥青焦作为骨料，与煤沥青混合后按照模压成型、焙烧、高压浸渍、二次焙烧和石墨化等常规炭素制品生产工艺流程制备石墨化阴极材料试样。