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1.(2) Experiments research: the reappearance of dot is verified by printing gray scale to get the specimen sheet and measure the value of specimen sheet by reflection density apparatus(X-Rite 428);
(2)实验研究：以灰梯尺作为原稿进行印刷，得到实验样张，采用反射式密度仪(X-Rite 428型)测量其密度值，验证网点的再现特性；收藏指正
2.Please telegraph on receipt your lowest all - round price Liverpool, for the annexe specimen of copper sheet.
收到信后，请立即电告铜板的利物浦交货价(包括一切杂费)并寄铜板样品。收藏指正
3.The ultrasonic inspection for titanium TA1 sheet specimen of 8 mm in thickness(apertured-sheet,trough plate)designed by our self and original defective sheet(laminated)was inspected by SONTEST MASTERSCAN340 digital ultrasonic detector with detective head of 2.5 MHz and 0-80 degree variable-angle made in UK.
运用英国声纳公司生产的SONTEST MASTERSCAN340数字型探伤仪和2.5MHz的0°～80°可变角探头,对自行设计制作的8mm厚TA1材质的人工伤试板(通孔型试板、平底槽型试板)和自然伤试板(自然分层型试板)进行了板波探伤的实验研究。收藏指正
4.The influence of specimen dimensions,drawing ratio,radius of round angle,lubricant,height of dropping weight,etc. on SWE for some typical Baosteel IF steel sheet used in the automobile industry is studied.
选具有代表性的汽车用宝钢IF钢板,取不同的试验样杯尺寸、样杯拉延比、样杯圆角半径、冲制样杯时润滑剂、落锤高度等,对汽车钢板二次加工脆化试验的影响因素进行研究。收藏指正
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