项目 指标 检验方法 色度,Hazen单位(铂—钴色号) ≤5 GB/T3143 酸的质量分数(以HCOOH),%或 ≤0.0015 GB338-2011 碱的质量分数(以NH3),% ≤0.0002 羰基化合物的质量分数(以HCHO计),% ≤0.002 GB338-2011 H2O,...
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正交试验结果表明:饮料中蔗糖、低聚糖和柠檬酸的质量分数分别为6 % ,2 % 和0 .9 % 时,口感最好。
The result of orthogonal trial showed that the taste of sports drink was the best when the mass fraction was:sucrose 6.0%, oligo saccharide 2.0%, citric acid 0.90%.
用复配的不同质量分数的1#混合酸和2#混合酸分别对武汉石化催化裂化平衡剂进行脱金属处理,并对处理后的催化剂孔体积进行了考察。
The pore volumes of FCC equilibrium catalyst from Wuhan Petrochemical Complex demetallized by mixed acids 1# and 2# with various mass fractions were studied.
在相同泵浦条件下,钕离子掺杂质量分数为0 5%的掺钕钒酸钇晶体中截面处的温升大于其他掺杂质量分数的晶体的相应温升。
With the same pump conditions, the medial section temperature raise of 0.5%(mass fraction) Nd-ion doped neodymium-doped yttrium orthovanadate crystal is higher than other doped quality index.
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