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λã ҽѧ  > ִҵҩʦ > ҩѧۺ֪ʶ뼼ܸ >
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ִҵҩʦҩļ⿼

2019-07-18 14:43 ҽѧ
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2019ִҵҩʦʱ102627գڱִҵҩʦĹлҩѧ㣬еĿŪףҽѧС“ִҵҩʦҩļ⿼”ϣԿǸϰ

ڷҩǰ˽̻Ỽμ

1ùسܽ1οڷ0.25g0.5gʶÿĹ250mg

֮Ĺϵ㼴250mg=0.25g500mg=0.5g˿ɷ1Ƭ2Ƭ

2άB12עÿμע50——200μgÿ֧ʶΪ0.1mg

ݻ㼴0.1mg=100μg˿ɸ0.05——0.2mgע1/2-2֧

ҩijһֵ

11500mlˮкNa+ٿ?

1500mlˮкȻƵ=0.9%×1500=13.5g

ȻƵķ=58.45

Ƶķ=23

Na+ĺ=13.5g×23/58.45=5.31g

2ٺ˵ؾʯȥ1mgȥ൱?

ȥط169.18ؾʯȥط337.28

ؾʯȥص=1mg×337.28/169.18=2mg

ټ

ϵÿҺҪĵ

ϵһ¼ҺװϡõҺϵ101520ͺš

1101520!

ʱ(min)=ҪҺ(ml)ϵ/ÿӵĵ

⣺ijעù0.5gܽ100mlˮУ֪ÿ൱Ϊ15ΣҪעʱ䲻1hÿӵΪ?

ʱ(min)=ҪҺ(ml)ϵ/ÿӵĵ

ÿӵĵ=100ml15/60=25

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