1) Index of protection
防护指数
2) ultraviolet protection factor UPF
全紫外防护指数UPF
3) ballistic efficiency factor
防护系数
1.
The results showed that ballistic efficiency factor of the composites was about 10.
研究发现,具有混杂结构的Si3N4/BN层状复合陶瓷的防护系数为10。
4) protection coefficient
防护系数
1.
Research on fabricating technology of high-protection coefficient silicon carbide ceramic armor;
高防护系数SiC陶瓷制备技术研究
2.
The protection coefficient is measured using simulating penetrators and high explosive anti - tank projectiles.
以添加ZrO2的Al2O3基陶瓷材料为研究对象,经过成分优化设计以及成型、烧结工艺优化设计,制备出性能高且稳定的材料;并采用模拟穿甲弹和破甲弹对装甲钢、几种陶瓷材料进行了对比试验,测定了防护系数;并分析了几种材料抗穿、破甲弹防护系数不同的原因。
5) protection coefficients
防护因数
1.
The-depth-of-penetration(DOP) experiment of explosively-formed projectile(EFP) penetrating Al_(2)O_(3) armor ceramic was performed,and the mass protection and difference protection coefficients and the variety of them along with the ceramic thickness were gained.
用爆炸成型弹丸(explosively formed projectile,EFP)对Al2O3装甲陶瓷材料进行了侵彻(depth ofpenetration,DOP)实验,得到了99Al2O3装甲陶瓷对模拟EFP的质量防护因数和差分防护因数及他们随陶瓷块厚度的变化规律,初步评估了99Al2O3装甲陶瓷对EFP的抗侵彻性能,解释了装甲陶瓷对EFP的抗侵彻过程和机理。
6) protective index
保护指数
1.
The protective indexes of four vaccines:tissues oil-inactivated vaccine were, 100%, 100%;CA+CF+B87 were 85%,94.
本试验分别用D78苗、B87苗,CA+CF+B87三价苗,法氏囊组织灭活油苗等4种疫苗免疫鸡群,然后分别用CL、SQ、QZ等3个本地分离毒株进行攻毒,测定每种疫苗对各毒株攻毒鸡群的保护指数。
补充资料：防护
防备和保护：这些精密仪器在运输途中要严加～。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条