石油焦1#A是什么意思 (1#A,1#B,2#A,2#B.
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石油焦1#A是什么意思 (1#A,1#B,2#A,2#B.
石油焦 硫含量 挥发分 灰分 水分 真密度(1300℃ 5小时煅烧) 粉焦量(块粒8mm以下) 硅含量 钒含量 铁含量
一级品 ≤0.5% ≤12% ≤0.3% ≤3% 2.08-2.13g/cm3 25% ≤0.08% ≤0.015% ≤0.08%
1#A ≤0.5% ≤10% ≤0.3% ≤3% 实测 实测 ≤0.08% ≤0.015% ≤0.08%
1#B ≤0.8% ≤12% ≤0.5% ≤3% 实测 实测 ≤0.08% ≤0.015% ≤0.08%
2#A ≤1.0% ≤12% ≤0.5% ≤3% 实测 实测 ≤0.08% ≤0.015% ≤0.08%
2#B ≤1.5% ≤15% ≤0.5% ≤3% 实测 实测 ≤0.08% ≤0.015% ≤0.08%
3#A ≤2.0% ≤16% ≤0.8% ≤3% 实测 实测 ≤0.08% ≤0.015% ≤0.08%
3#B ≤3.0% ≤18% ≤1.2% ≤3% 实测 实测 ≤0.08% ≤0.015% ≤0.08%
主要是看硫含量,
一级品 ≤0.5% ≤12% ≤0.3% ≤3% 2.08-2.13g/cm3 25% ≤0.08% ≤0.015% ≤0.08%
1#A ≤0.5% ≤10% ≤0.3% ≤3% 实测 实测 ≤0.08% ≤0.015% ≤0.08%
1#B ≤0.8% ≤12% ≤0.5% ≤3% 实测 实测 ≤0.08% ≤0.015% ≤0.08%
2#A ≤1.0% ≤12% ≤0.5% ≤3% 实测 实测 ≤0.08% ≤0.015% ≤0.08%
2#B ≤1.5% ≤15% ≤0.5% ≤3% 实测 实测 ≤0.08% ≤0.015% ≤0.08%
3#A ≤2.0% ≤16% ≤0.8% ≤3% 实测 实测 ≤0.08% ≤0.015% ≤0.08%
3#B ≤3.0% ≤18% ≤1.2% ≤3% 实测 实测 ≤0.08% ≤0.015% ≤0.08%
主要是看硫含量,
3A 3B 1A 1B 2A 2B分别是什么意思?
{1,a,b/a}={0,a^2,a+b}
a-b\a+b=1\2时,求代数式a+b\3(a-b) - a-b\2(a+b)
1- a+b分之a+2b
化简 (a+b)²+2a(a-1/2b)-3(a-b)(a+b)
a(a-1)-(a×a-b)=-5,求(a×a+b×b)÷2-ab
a(a-2b)+2(a+b)(a-b)+(a+b)²,其中a=-½,b=1
(a+2/1b)(a-2/1b)-(3a-2b)(3a+2b)
化简(2a+b)^2-2(a-b)(2a-b)-1/2(2a-b)
A=B+B+B+B+B+B+B+B+B+B+B+B+B+B+B A-B×3=C C+2×7+2=1
(a+2b-1)(a-2b+1)-(a+b)²(a-b)²
1:计算2(a+b)^2/(a+b)-3(a+b)/(a+b).