A new residual oil cracking catalyst named MLC 500 with high bottoms cracking ability and high yield of LCO was developed.
开发了一种能裂解重质原料油、多产中间馏分油的裂化催化剂MLC - 500。
This favourable distributions of residual stresses after hydrobulging can improve the anti stress corrosion cracking ability of the spherical vessels.
胀形后残余应力的这种有利分布，提高了球罐的抗应力腐蚀性能。
The heavy oil cracking ability and the olefin reduction of cracking product of the said catalyst were obviously better than that of the conventional heavy oil cracking catalyst.
催化剂重油裂化能力和裂化产品降烯烃效果都明显优于常规重油裂化催化剂。
The hydrogen transfer activities of several modified materials were investigated and co related with the heavy oil catalytic cracking ability and olefin content in cracked naphtha.
考察了多种改性材料的氢转移反应活性及对催化裂化催化剂的重油转化活性及汽油中烯烃含量的影响规律。
To use the drop-weight impact meter to measure the impact toughness of the asphalt mixture, put forward the use of the impact toughness as an index to evaluate the anti-reflective cracking ability.
利用落锤式抗压冲击仪测定沥青混合料的冲击韧性，采用冲击韧性这一指标评价大粒径沥青混合料的抵抗反射裂缝能力。
To use the drop-weight impact meter to measure the impact toughness of the asphalt mixture, put forward the use of the impact toughness as an index to evaluate the anti-reflective cracking ability.
利用落锤式抗压冲击仪测定沥青混合料的冲击韧性，采用冲击韧性这一指标评价大粒径沥青混合料的抵抗反射裂缝能力。
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