鍔涘璁＄畻棰?/p>
璐ㄩ噺涓?/p>
0.25
kg
鐨勮川鐐癸紝鍙楀姏
i
t
F
飦?
飦?/p>
飥?/p>
(SI)
鐨勪綔鐢紝寮忎腑
t
涓烘椂闂达紟
t
=
0
鏃惰璐ㄧ偣浠?/p>
j
飦?/p>
飦?
2
飥?/p>
v
(SI)
鐨勯�熷害閫氳繃鍧愭爣鍘熺偣锛屽垯璇ヨ川鐐逛换鎰忔椂鍒荤殑浣嶇疆鐭㈤噺鏄?/p>
______________
锛?/p>
j
t
i
t
飦?/p>
飦?/p>
2
3
2
3
飥?/p>
(SI)
1
锛?/p>
0155
锛?/p>
濡傚浘鎵�绀猴紝涓�涓川閲忎负
m
鐨勭墿浣撲笌缁曞湪瀹氭粦杞笂鐨勭怀瀛?/p>
鐩歌仈锛?/p>
缁冲瓙璐ㄩ噺鍙互蹇界暐锛?/p>
瀹冧笌瀹氭粦杞箣闂存棤婊戝姩锛?/p>
鍋囪瀹氭粦
杞川閲忎负
M
銆?/p>
鍗婂緞涓?/p>
R
锛?/p>
鍏惰浆鍔ㄦ儻閲忎负
2
2
1
MR
锛?
婊戣疆杞村厜婊戯紟
璇?/p>
姹傝鐗╀綋鐢遍潤姝㈠紑濮嬩笅钀界殑杩囩▼涓紝涓嬭惤閫熷害涓庢椂闂寸殑鍏崇郴锛?/p>
1
锛?/p>
0155
锛?/p>
瑙ｏ細鏍规嵁鐗涢】杩愬姩瀹氬緥鍜岃浆鍔ㄥ畾寰嬪垪鏂圭▼
瀵圭墿浣擄細
mg
锛?/p>
T
锛?/p>
ma
鈶?/p>
瀵规粦杞細
TR
=
J
飦?/p>
鈶?/p>
杩愬姩瀛﹀叧绯伙細
a
锛?/p>
R
飦?/p>
鈶?/p>
灏嗏憼銆佲憽銆佲憿寮忚仈绔嬪緱
a
锛?/p>
mg
/ (
m
锛?/p>
2
1
M
)
鈭?/p>
v
0
锛?/p>
0
锛?/p>
鈭?/p>
v
锛?/p>
at
锛?/p>
mgt
/ (
m
锛?
2
1
M
)
4
鍖�璐ㄦ潌闀夸负
l
锛岃川閲忎负
m
锛屽彲缁曡繃
O
鐐逛笖涓庢潌鍨傜洿鐨?/p>
姘?/p>
骞?/p>
杞村湪绔栫洿闈㈠唴鑷敱杞姩銆?/p>
濡傚浘鎵�绀猴紝
OA
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1
3
l
锛?/p>
鏉嗗杞寸殑
杞?/p>
鍔?
鎯噺
I
锛?
1
9
m l
2
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寮�濮嬮潤姝€�?/p>
鐜扮敤涓�姘村钩甯稿姏
F
锛?/p>
2
mg
浣滅敤
浜?/p>
绔?
鐐?/p>
A
锛屽綋鏉嗚浆瑙?/p>
6
飦?
飦?/p>
飥?
鏃舵挙鍘诲姏
F
銆傛眰锛?/p>
锛?/p>
1
锛夎繃绋嬩腑鍔?/p>
F
鍋氬姛锛?/p>
锛?/p>
2
锛夋潌杞埌骞宠 浣嶇疆鏃剁殑瑙掗�熷害銆?/p>
m
M
R
T
M
R
飦?/p>
T
mg
a
胃
F
A
O