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亚博APP考试:能量流动计算
时间:2020-06-29 作者:亚博APP官方亚博APP 点击:

      安徽教师招考网相关[特岗教师] 信息“亚博APP考试:能量流动计算”由亚博APP官方亚博APP发布 ,更多亚博APP考试,能量流动计算信息,

yi、shiwulianzhongdenengliangjisuan

1.yizhijiaodiyingyangjishengwujuyoudenengliang(huoshengwuliang),qiujiaogaoyingyangjishengwusuonenghuodenengliang(huoshengwuliang)dezuidazhi。

亚博APPli1.ruomoushengtaixitonggudingdezongnengliangwei24000kj,zegaishengtaixitongdedisiyingyangjishengwuzuiduonenghuodedenengliangshi(    )

a. 24kj

b. 192kj

c. 96kj

d. 960kj

jiexi:jutiyi,shengtaixitonggudingdezongnengliangshishengtaixitongzhongshengchanzhe(diyiyingyangji)suogudingdenengliang,ji24000kj,dangnengliangdechuandixiaolvwei20%shi,meiyigeyingyangjicongqianyigeyingyangjihuodedenengliangshizuiduode。yinerdisiyingyangjisuohuodenengliangdezuidazhiwei:24000×20%×20%×20%=192kj。

daan:d

guilv:yizhijiaodiyingyangjidenengliang(huoshengwuliang),buzhidaochuandixiaolv,jisuanjiaogaoyingyangjishengwuhuodenengliang(huoshengwuliang)dezuidazhishi,keanzhaozuidachuandixiaolv20%jisuan,jijiaodiyingyangjinengliang(huoshengwuliang)×(20%)n(nweishiwulianzhongyoujiaodiyingyangjidaosuoxujisuandeyingyangjidejiantoushu)。

2.yizhijiaogaoyingyangjidenengliang(huoshengwuliang),qiujiaodiyingyangjiyingjubeidenengliang(huoshengwuliang)dezuixiaozhi。

li2.zaiyitiaoyou5geyingyangjideshiwulianzhong,ruodiwuyingyangjideshengwutizhongzengjia1 kg,lilunshangzhishaoyaoxiaohaodiyiyingyangjideshengwuliangwei(    )

a. 25 kg

b. 125 kg

c. 625 kg

d. 3125 kg

jiexi:jutiyi,yaojisuanxiaohaodediyiyingyangjideshengwuliang,yinganzhaonengliangchuandidezuidaxiaolv20%jisuan。shexuxiaohaodiyiyingyangjideshengwuliangweix kg,zex=1÷(20%)4=625 kg。

daan:c

guilv:yizhinengliangchuanditujinghejiaogaoyingyangjishengwudenengliang(huoshengwuliang)shi,ruoxujisuanjiaodiyingyangjiyingjuyoudenengliang(huoshengwuliang)dezuixiaozhi(jizhishao)shi,annengliangchuandixiaolvdezuidazhi20%jinxingjisuan,jijiaodiyingyangjideshengwuliangzhishaoshijiaogaoyingyangjidenengliang(huoshengwuliang)×5n(nweishiwulianzhong,youjiaodiyingyangjidaosuoxujisuandeyingyangjidejiantoushu)。

亚博APP3.yizhinengliangdechuanditujinghechuandixiaolv,genjuyaoqiujisuanxiangguanshengwudenengliang(huoshengwuliang)。

亚博APPli3.zainengliangjinzitazhong,shengchanzhegudingnengliangshichanshengle240molo2,ruonengliangchuandixiaolvwei10%~15%shi,cijixiaofeizhehuodedenengliangzuiduoxiangdangyuduoshaomolputaotang?(    )

a.0.04

b.0.4

c.0.9

d.0.09

亚博APPjiexi:jieheguanghezuoyongdexiangguanzhishikezhi:shengchanzhegudingdenengliangxiangdangyu240÷6=40molputaotang;shengchanzhedenengliangchuandijicijixiaofeizhejingguoleliangcichuandi,anzuidadenengliangchuandixiaolvjisuan,cijixiaofeizhehuodedenengliangzuiduoxiangdangyu40×15%×15%=0.9molputaotang。

daan:c

guilv:yizhinengliangchuandixiaolvjiqichuanditujingshi,kezaiquedingnengliangchuandixiaolvhechuanditujingdejichushang,anzhaoxiangyingdenengliangchuandixiaolvhechuanditujingjisuan。

er、shiwuwangzhongnengliangliudongdejisuan

1.yizhijiaogaoyingyangjiconggeshiwulianzhonghuodedebili,weigaozhichuandixiaolvshidenengliangjisuan。

li4.shangtushiwuwangzhong,zainengliangchuandixiaolvwei10%~20%shi,jiashemeigeyingyangjideshengwucongqianyiyingyangjidebutongshengwuchuhuodedenengliangxiangdeng。zerendetizhongmeizengjia1 kg,zhishaoxuyaoxiaohaoshuizao       kg。

亚博APPjiexi:youtiyizhi:rencongdayuhexiaoyuchuhuodedenengliangshixiangdengde,xiaoyucongxiaheshuizaochuhuodedenengliangshixiangdengde,erqie,tizhong“zhishao”xuyaoduoshao,yingannengliangchuandidezuidaxiaolvjisuan。jisuanfangfaruxia:

亚博APPzai“xiaoyu→dayu→ren”dechuanditujingzhong,dayudeshengwuliangzhishaowei0.5÷20%=2.5 kg,xiaoyudeshengwuliangzhishaowei2.5÷20%=12.5 kg;zai“xiaoyu→ren”dechuanditujingzhong,xiaoyudeshengwuliangzhishaoshi0.5÷20%=2.5 kg。yinci,xiaoyudeshengwuliangzongliangzhishaowei12.5+2.5=15 kg。

亚博APPtongli:zai“shuizao→shuizao→xia→xiaoyu”dechuandiguochengzhong,shuizaodeshengwuliangzhishaoshi15÷2÷20%÷20%÷20%=937.5 kg;zai“shuizao→xiaoyu”dechuandiguochengzhong,shuizaodeshengwuliangzhishaoshi15÷2÷20%=37.5 kg。yinci,shuizaodeshengwuliangzongliangzhishaowei937.5+37.5=975 kg。

daan:975

亚博APPguilv:duiyushiwuwangzhongnengliangliudongdejisuan,xianyinggenjutiyixiechuxiangyingdeshiwulianbingquedinggeyingyangjizhijiandechuandixiaolv,anzhaocongbutongshiwulianhuodedebilifenbiejinxingjisuan,zaijianggetiaoshiwulianzhongdezhixiangjiajike。

亚博APP2.yizhijiaogaoyingyangjiconggeshiwulianzhonghuodedebili,zaitedingchuandixiaolvshidejisuan。

亚博APPli5.ruorendeshiwu1/2laizizhiwu,1/4laizixiaoxingshiroudongwu,1/4laiziyangrou,ruogeyingyangjizhijiandenengliangchuandixiaolvwei10%shi,renzengzhong1 kgxuyaoxiaohaodezhiwuwei__ kg。

jiexi:genjutiyikehuachushiwuwang(shangtu),congtimuyaoqiukeyipanduannengliangdechuandixiaolvwei10%,genjurenzengzhongcongbutongtujinghuodenengliangdebilikejisuanruxia:

亚博APPzhiwu→ren:0.5÷10%=5 kg;

zhiwu→yang→ren:0.5÷10%÷10%=50 kg;

zhiwu→yang→xiaoxingroushidongwu→ren:0.5÷10%÷10%÷10%=500 kg;

yinci:renzengzhong1 kggongxiaohaozhiwu5+50+500=555 kg。

daan:555

亚博APPguilv:duiyushiwuwangzhongnengliangliudongdejisuan,xianyinggenjutiyixiechuxiangyingdeshiwuwang,genjutedingdechuandixiaolv,anzhaocongbutongshiwulianhuodedebilifenbiejisuan,zaijianggetiaoshiwulianzhongdezhixiangjiajike。

san、yizhigeyingyangjidenengliang(huoshengwuliang),jisuantedingyingyangjijiannengliangdechuandixiaolv

li6.zaimoushengtaixitongzhong,1zhi2 kgdeyingyaochi10 kgdexiaoniao,0.25 kgdexiaoniaoyaochi2 kgdekunchong,er100 kgdekunchongyaochi1000 kgdelvsezhiwu。ruogeyingyangjishengwusuosherudeshiwuquanzhuanhuachengnengliangdehua,neime,lvsezhiwudaoyingdenengliangchuandixiaolvwei(    )

a. 0.05%

b. 0.5%

c. 0.25%

d. 0.025%

jiexi:genjutiyi,kegenjunengliangchuandixiaolvdegainianjisuanchugeyingyangjizhijiandenengliangchuandixiaolv,zaijisuanchulvsezhiwuzhuanhuaweiyingdeshiwulianzhonggeyingyangjideshengwuliang。ji:10 kgdexiaoniaoxuyaokunchongdeshengwuliang=10÷(0.25÷2)=80 kg;80 kgdekunchongxuyaolvsezhiwudeshengwuliang=80÷(100÷1000)=800 kg。

yinci,conglvsezhiwu→kunchong→xiaoniao→yingdeshengwuliangyiciwei800 kg→80 kg→10 kg→2 kg,zeyingzhuanhualvsezhiwudebaifenbiwei2/800×100%=0.25%。

daan:c

guilv:yaojisuannengliangchuandixiaolv,kexiangenjugeyingyangjideshengwuliangjisuanchugeyingyangjidechuandixiaolv,bingtuisuanchubutongyingyangjideshengwuliang,zuihoujisuanchusuoxujisuanzhuanhuaxiaolvdejiaogaoyingyangji(bentizhongdeying)deshengwuliang(huonengliang)zhanjiaodiyingyangji(bentizhongdezhiwu)debilijike。

(编辑:高士卫)
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