鍥涘窛鐪佹垚閮藉競閮兘鍖?/p>
2017-2018
瀛﹀勾楂樹簩鐗╃悊涓婂鏈熺涓�娆℃湀鑰冭瘯
棰?/p>
涓�銆侀�夋嫨棰橈紙鏈ぇ棰樺叡
7
灏忛锛屾瘡灏忛
6
鍒嗭紝鍏?/p>
42
鍒嗐�?/p>
1-5
灏忛涓彧鏈変竴涓�夐」姝ｇ‘锛?/p>
6
銆?/p>
7
灏忛涓湁澶氫釜閫夐」姝ｇ‘锛岄�夊鐨勫緱
6
鍒嗭紝瀵硅�屼笉鍏ㄥ緱
3
鍒嗭紝閫夐敊鎴栦笉閫夌殑寰?/p>
0
鍒嗭級
1
锛庡崐寰勭浉鍚岀殑涓や釜閲戝睘灏忕悆
A
銆?/p>
B
甯︽湁鐢佃嵎閲忓ぇ灏忕浉绛夌殑鐢佃嵎锛岀浉闅斾竴瀹氱殑璺濈锛屼袱鐞?/p>
涔嬮棿鐨勭浉浜掑惛寮曞姏澶у皬涓?/p>
F
銆備粖鐢ㄧ涓変釜鍗婂緞鐩稿悓鐨勪笉甯︾數鐨勯噾灞炲皬鐞?/p>
C
鍏堝悗涓?/p>
A
銆?/p>
B
涓や釜鐞冩帴瑙﹀悗绉诲紑锛岃繖鏃讹紝
A
銆?/p>
B
涓や釜鐞冧箣闂寸殑鐩镐簰浣滅敤鍔涘ぇ灏忔槸
A
锛?
1
4
F
B
锛?
1
8
F
C
锛?
3
8
F
D
锛?
3
4
F
2
锛庝笅鍒楁槸鏌愬悓瀛﹀鐢靛満涓殑姒傚康銆佸叕寮忕殑鐞嗚В锛屽叾涓笉姝ｇ‘鐨勬槸
A
锛庢牴鎹數鍦哄己搴︾殑瀹氫箟寮?/p>
E=F/q
锛岀數鍦轰腑鏌愮偣鐨勭數鍦哄己搴﹀拰璇曟帰鐢佃嵎鐨勭數鑽烽噺
q
鎴愬弽姣?/p>
B
锛庢牴鎹偣鐢佃嵎鍦哄己鍏紡
E=kQ/r
2
,E
涓?/p>
Q
鎴愭姣旓紝鑰屼笌
r
2
鎴愬弽姣?/p>
C
锛庢牴鎹數鍦哄姏鍋氬姛鐨勮绠楀紡
W=Uq
锛屼竴涓數瀛愬湪
1V
鐢靛帇涓嬪姞閫燂紝鐢靛満鍔涘仛鍔熶负
1eV
D
锛庢牴鎹數鍔垮樊鐨勫畾涔夊紡
U
ab
=W
ab
/q
锛屽甫鐢甸噺涓?/p>
1C
鐨勬鐢佃嵎锛屼粠
a
鐐圭Щ鍔ㄥ埌
b
鐐瑰厠鏈?/p>
鐢靛満鍔涘仛鍔熶负
1J
锛屽垯
a
銆?/p>
b
涓ょ偣闂寸殑鐢靛娍宸负
-1V
3
锛庡浘涓櫄绾挎槸鏌愮數鍦轰腑鐨勪竴绨囩瓑鍔跨嚎銆備袱涓甫鐢电矑瀛愪粠
P
鐐瑰潎娌跨瓑鍔跨嚎鐨勫垏绾挎柟鍚戝皠鍏?/p>
鐢靛満锛岀矑瀛愯繍鍔ㄧ殑閮ㄥ垎杞ㄨ抗濡傚浘涓疄绾挎墍绀恒�傝嫢绮掑瓙浠呭彈鐢靛満鍔涚殑浣滅敤锛屼笅鍒楄娉曚腑
姝ｇ‘鐨勬槸
A
锛?/p>
a
銆?/p>
b
涓ょ偣鐨勭數鍦哄己搴﹀ぇ灏忓叧绯?/p>
E
a
>E
b
B
锛?/p>
a
銆?/p>
b
涓ょ偣鐨勭數鍔垮叧绯讳竴瀹氭湁锛?/p>
U
a
>U
b
C
锛庣矑瀛愪粠
P
杩愬姩鍒?/p>
a
鐨勮繃绋嬩腑锛岀數鍔胯兘澧炲ぇ
D
锛庣矑瀛愪粠
P
杩愬姩鍒?/p>
b
鐨勮繃绋嬩腑锛屽姩鑳藉澶?/p>
4
锛庡鍥炬墍绀猴紝鏄竴涓袱鏉块棿璺濅负
d
鐨勫钩琛屾澘鐢靛鍣紝鍏剁數瀹逛负
C
锛屽甫鐢甸噺涓?/p>
Q
锛屼笂鏋佹澘
甯︽鐢点�傜幇灏嗕竴涓瘯鎺㈢數鑽?/p>
q
鐢变袱鏋佹澘闂寸殑
A
鐐圭Щ鍔ㄥ埌
B
鐐癸紝
A
銆?/p>
B
涓ょ偣闂寸殑璺濈
涓?/p>
s
锛岃繛绾?/p>
AB
涓庢瀬鏉块棿鐨勫す瑙掍负
30潞锛屽垯鐢靛満鍔涘璇曟帰鐢佃嵎
q
鎵�鍋氱殑鍔熺瓑浜?/p>
A
锛?/p>
Qd
qCs
B
锛?/p>
Cd
qQs
C
锛?/p>
Cd
qQs
2
D
锛?/p>
Qd
qCs
2
5
锛庡湪绌洪棿涓殑
A
銆?/p>
B
涓ょ偣鍥哄畾鐫�涓�瀵圭瓑閲忓悓绉嶇數鑽凤紝濡傚浘鎵�绀猴紝鏈変竴甯︾數寰矑鍦ㄥ畠浠骇