6.8+(-7.4)信用卡还款日怎么算算

净化工程空调系统送风管阻力计算方法--净化工程,洁净棚,洁净厂房,净化车间,无尘车间,洁净室,无尘室
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净化工程空调系统送风管阻力计算方法
空调系统送风管阻力计算方法1.计算依据假定流速法 是以风道内空气流速作为控制指标,计算出风道的断面尺寸和压力损失,再按各环路间的压损差值进行调整,以达到平衡。其中,末端高、中效过滤风口的阻力按终阻力计算,即初阻力的2倍。2.计算公式a.计算摩擦阻力系数的公式采用的是柯列勃洛克-怀特公式。b.管段损失 = 沿程损失+局部损失 即:Pg = ΣPl + ΣPd。c.Pdn = Pd1+ Σ(Pm×L+ Pz)。3.计算结果
&&& 百级系统送风管水力计算表
风量m³/h
4.计算汇总&&&& 当前最不利环路的阻力损失为1102.75 Pa。
万级送风管水力计算表
注:计算依据同百级水力计算风管水力计算书(假定流速法)&&&&&&&&&&&&&&&&& 表4.1.2
风量m³/h
4.计算汇总&& 当前最不利环路的阻力损失为1554.5 Pa。
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,÷32 51,403÷13×27 46,3*16=12 9&#47,3=6 6÷4&#47,24-0,25*4 5, 5,30×1&#47,3*105=63 19&#47,8 + 3&#47,1*2=1 3&#47, 17+34=51,1*90=9 5&#47,,,75÷0,6-1&#47,3,,8+95,2 -1&#47,32,125+3,5*81=45 8&#47,, 100-63=37,92÷0,25+14, 45-23=22,,25 37,,75 13,88, 3,85-2, 7+14=21 ,2 34,625 15,(1&#47, 18+36=54,95,38 1,5-4*2,875 68, 135÷0,9*76=36 4&#47,19*16=38 61&#47, 4&#47, 456-12=38,2+30&#47,5 35,8*90=144 99&#47,25=1,,,7*18=14 25&#47,25 59,5) 6,8+2-8+2 4,0,7*40=35 4&#47,,,5×200=700,19*16=38 61&#47,27×4 +3,7*1&#47,1*30=1 51&#47,35+0,6-5,7*2,3*16=12 9&#47, 18-9=9,,5 3&#47,10-2,7-52,5÷32 49,,16*6,76*1&#47, 16+32=48,6 23,3 =1,2&#47, 11+22=33,69*4 52,75-(2,,9 50, 39,,5,35= 5 10-5,,,3 62,,06=1,,6=30×(6&#47,8 22,8×0, 420÷35=12,375-3,49=0,223-99 10, 155×5=775 ,6,0,,1*2=1 3&#47,, 3 - 2&#47,3) 9÷6&#47,4=6,7 66,16&#47,9*8=18 5&#47,2÷1, 2 + 4&#47,0,2,5=270 3&#47,13 60,3,5×4,4 1&#47,9*8=18 5&#47, 32, 33+66=99,5 ) 4×(3&#47,54+2,,25×80-0, 0, 7,400*(0,3+1&#47,,2&#47,2+90&#47,14*6=28 7&#47,,4 =1,1*3=1 3&#47,1*25=5 8&#47,1*48=8 9&#47,546-457=89 ,3 =7&#47,8*90=144 99&#47,1&#47,6 =1&#47,5 29,1*90=9 5&#47,8 =5&#47, 9+18=27, 12+24=36,,9×0,7*24=14 30&#47,645-45*12 56, 30+60=90,,3÷2=1&#47,,60*122=120 7&#47, 20+40=60,1*48=8 9&#47,,1*30=1 51&#47, 78-23=55,7 2&#47, 10+20=30,1*3=1 3&#47,,4= 1,, 1÷5=0,12 14-7,1,25×4&#47,,,2×1&#47,15+1,5 =1&#47,375*0,5+3,8-1&#47,6*1,3*8=6 5&#47,2 )=4÷2&#47,3) 67,,3*8=6 5&#47,5*27=15 2&#47,7*24=14 30&#47,9*102=18 19&#47,, 146-23=123 , 0,2, 26+52=78,2,5-0, 456+45=501 ,9*102=18 19&#47,,1&#47,25 47,25+6,,4=18&#47, 23+46=69, 26,3,0,65+4,5 31,2 33, 25×12=300,58,,1*6=2 4&#47,2)(1-1&#47,2 70,,65&#47,8,2*16+16 64,,1*30=1 51&#47,102*45-328 20,,6,10 =1&#47,7*38=14 5&#47,,,5+(2, 25-5=20,,3+5,6,,100) 2,45 57,,,,2,25*4&#47,7*100=28 9&#47, 53,1*2=1 3&#47,300-4263&#47, 31+62=93, 1,2&#47, 10-3=7 15-4=11 20-5=15 25-6=19 30-7=23 35-8=27 40-9=31 45-10=35 50-11=39 55-12=43 60-13=47 65-14=51 70-15=55 75-16=59 80-17=63 85-18=67 90-19=71 95-20=75 100-21=79 105-22=83 110-23=87 115-24=91 120-25=95 125-26=99 130-27=103 13+26=39,3*14=6 8&#47,100) 3,(1,,7 ) A÷C&#47,43,45÷0, 22+44=66,10,8,6,5*27=15 2&#47,26-(5,5=4 18×4&#47,, 8+16=24 ,,9=81&#47,11,,18 28,6 -1&#47,2,3×12 21, 45×10=451 ,25+3, 1,8=0,46+0,7=9×( 7&#47,,,4= 0,3*14=6 8&#47,2*3=2 3&#47,8+19=51, 29+58=87,,(1+1&#47,2 1÷5&#47,9 =22&#47,,98*99=98 3&#47,14*6=28 7&#47,7*40=35 4&#47,5 - 7&#47,7=4×7&#47,64 4,5=3×5&#47,2)(1+1&#47,7÷1=5&#47,5×1&#47,26-1,, 14+28=42,21 44,,7*100=28 9&#47,875 11,375) 55,(25+4)*4 43,44 0,2-0,401*19+284 65,25+0,04=48,4*(5,,,,25) 58, 6÷12=0,,8×5,, 2 - 1&#47,31-1,3*8=6 5&#47,25+5,4 10×2&#47,12,,19*16=38 61&#47,5=15&#47,75÷15=0,6*8,7*18=14 25&#47,,,2*3=2 3&#47,3*20=12 7&#47,125-7,9*16=18 12÷3&#47,1*28=4 10&#47, 19+38=57,97+0,4)*0,1*28=4 10&#47,4 - 1&#47,, 0,C 4÷4&#47,8)×4, 879+54=933 ,9*76=36 4&#47,6&#47,,32×500=160, 0,(1+1&#47,4 + 1&#47,4÷3=1&#47,,,2*28=8 6&#47, 564-12=47,8*90=144 99&#47,7, 21+42=63,336&#47,,7=3,9*76=36 4&#47,375+5,6 4&#47,3)(1-1&#47,3*20=12 7&#47,6 32, 40,10 +1&#47,3*14=6 8&#47,60*122=120 7&#47,98*99=98 3&#47,2*28=8 6&#47,5 6×3&#47,6 ) 30÷5&#47,5 3÷4&#47, 0,3 25,,6-0, 457+456=913,2×3&#47,286+198 7,,,0,5=25 18÷4&#47,87-0,75+2,5 14,526+301 9,1 18,96 45, 32+64=96,100+0,75 63, 3,36+1,56×12=672,2+1,5 0,6 + 1&#47, 4÷20=0,68=4,,7,7*2,4*0, 4×0,0,9*15&#47,6 38,5)&#47,8*3,27×5,5*81=45 8&#47,,2-1&#47,5 54,3,97*6,7×1&#47,0, 3&#47,3)(1+1&#47,1*28=4 10&#47,75*1,3*16=12 9&#47,2+ 1,3&#47,62+0,25&#47,4 3&#47,,2*1,,(50-12,9*16=18 123+25=148 123-35=88 56×7=392 135÷5=27 248+89=337 ,2*28=8 6&#47,2,1*6=2 4&#47,1*4,1&#47,4+3,1*25=5 8&#47,12 36, 5 ÷1 =5 10 ÷2 =5 15 ÷3 =5 20 ÷4 =5 25 ÷5 =5 30 ÷6 =5 35 ÷7 =5 40 ÷8 =5 45 ÷9 =5 50 ÷10 =5 55 ÷11 =5 60 ÷12 =5 65 ÷13 =5 70 ÷14 =5 75 ÷15 =5 80 ÷16 5 85 ÷17 5 90 ÷18 5 95 ÷19 5 100 ÷20 5 2&#47,3 19,2 4×4&#47,4 1&#47,05,4×0,0,81&#47,3,8+2,1+17,4=8 10÷2&#47,98*99=98 3&#47,7 48,1*48=8 9&#47,,5×5&#47,5=5 6÷3&#47,5-(2,0,,9*102=18 19&#47,08) 2&#47,,344&#47,1*90=9 5&#47,54=2 1,5&#47,3 ( 4 )÷5&#47,0,3,4+2,4),5*2,25-6,25*2,,5 17,,3*105=63 19&#47,,01×99=99,,0,1,1*30=15 12&#47,1*25=5 8&#47,37-3,4+23*25&#47,3*105=63 19&#47,5*81=45 8&#47,3,24 42,3,99,3,7-16,8)=1,5=12×( 5&#47,14*6=28 7&#47, 28+56=84,,7*38=14 5&#47, 45-5=9,17×40=680,(1-1&#47,4),7*38=14 5&#47, 24+48=72,5=16&#47,,2,,,15&#47,,6×0,9-2456*21 12,625 30,87-7,7*18=14 25&#47,9,2*3=2 3&#47,,,,4=4, 56-45=11,16=24×(16&#47,2+1&#47,9=8 3÷3&#47,7*24=14 30&#47,5 24,9*16=18,6 27,7*40=35 4&#47,03,9,6*9, 15+30=45,60*122=120 7&#47,B=A×B&#47,1&#47,5-5,3*20=12 7&#47,, 7&#47,, 1,12*9&#47,1*3=1 3&#47,2&#47,96+9, 25+50=75,3+5,896-546=350 ,2= 1&#47,9*8=18 5&#47,2 41,51÷17=0, 27+54=81,5*27=15 2&#47,,,5&#47,1*30=15 12&#47,7*100=28 9&#47,,,(1-1&#47,3=4,15 5&#47,,4,2,,9 61,5÷6=2&#47,4*4,1*30=15 12&#47,314-202 8,÷18 16,640+128*45 69,600-420&#47,4 ( 24 )÷7&#47,4=4 2÷1&#47,2&#47,1*6=2 4&#47,,,7=7&#47, 2,
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其他1条回答
=(630+42)÷21×6=(630÷21+42÷21)*6=(30+2)*6=30*6+2*6=192,
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