1
涓撻浜?/p>
姘у寲杩樺師鍙嶅簲
瀛︿笟姘村钩杩囧叧锛堜簲锛?/p>
涓�銆佸崟椤归�夋嫨棰樷厾(姣忓皬棰?/p>
1
鍒嗭紝鍦ㄦ瘡灏忛鍒楀嚭鐨勫洓涓�夐」涓紝鍙湁涓�椤圭鍚堥鐩姹傘�?/p>
)
1
锛庝笅鍒楀彉鍖栧睘浜庣墿鐞嗗彉鍖栫殑鏄?/p>
(
)
A
锛庣叅鐨勭噧鐑?/p>
B
锛庣鐨勫崌鍗?/p>
C
锛庨摐鐨勯攬铓�
D
锛庨摑鐨勫喍鐐?/p>
瑙ｆ瀽锛?/p>
鐓ょ殑鐕冪儳銆侀摐鐨勯攬铓�銆侀摑鐨勫喍鐐奸兘鍙戠敓浜嗗寲瀛﹀彉鍖栵紝鑰屽崌鍗庢槸鐗╃悊鍙樺寲銆?/p>
绛旀锛?/p>
B
2
锛?2018路鎯犲窞瀛﹁�冩ā鎷?/p>
)
绾崇背
(nm)
鏄竴绉嶉暱搴﹀崟浣嶏紝
1 nm
锛?/p>
10
锛?/p>
9
m
锛岀撼绫崇鎶�寮�杈熶簡浜虹被
璁よ瘑涓栫晫鐨勬柊棰嗗煙銆?/p>
绾崇背鏉愭枡鏄撼绫崇鎶�鏈�鍩烘湰缁勬垚閮ㄥ垎锛?/p>
鎶婂浐浣撶墿璐ㄥ姞宸ュ埌绾崇背绾?/p>
(1
nm
锝?/p>
100
nm)
瓒呯粏绮夋湯锛屽嵆鍙緱鍒扮撼绫虫潗鏂欍�傝繖绉嶅姞宸ヨ繃绋嬪睘浜?/p>
(
)
A
锛庣墿鐞嗗彉鍖?/p>
B
锛庣墿鐞嗗彉鍖栧拰鍖栧鍙樺寲
C
锛庡寲瀛﹀彉鍖?/p>
D
锛庢棦涓嶆槸鐗╃悊鍙樺寲涔熶笉鏄寲瀛﹀彉鍖?/p>
瑙ｆ瀽锛?/p>
璇ュ姞宸ヨ繃绋嬩粎浠呮槸鏀瑰彉浜嗙墿璐ㄧ殑绮掑緞澶у皬锛屽苟鏈湁鏂扮墿璐ㄧ殑鐢熸垚銆?/p>
绛旀锛?/p>
A
3
锛庝笅鍒楃敓娲讳腑鐨勭幇璞′笌鍖栧鍙嶅簲鏃犲叧鐨勬槸
(
)
A
锛庣敤椋熼唻鍙互娲楁按鍨?/p>
[
涓昏鎴愬垎涓?/p>
CaCO
3
銆?/p>
Mg(OH)
2
]
B
锛庤敆绯栨斁鍦ㄦ按涓墖鍒诲悗娑堝け浜?/p>
C
锛庤彍鍒�娲楄繃鍚庡鏋滄病鎿﹀共鏀剧疆涓�娈垫椂闂村氨浼氬嚭鐜版枒鐐?/p>
D
锛庣█鐩愰吀娲掑湪澶х悊鐭冲彴闈笂浜х敓澶ч噺姘旀场
瑙ｆ瀽锛?/p>
椋熼唻涓庢按鍨㈠彂鐢熶簡澶嶅垎瑙ｅ弽搴旓紝
A
椤归敊璇紱钄楃硸婧朵簬姘翠负鐗╃悊鍙樺寲锛?/p>
B
椤规纭紱鑿滃垁
浜х敓鏂戠偣涓洪攬铓�浜嗭紝鍙戠敓浜嗘哀鍖栬繕鍘熷弽搴旓紝
C
椤归敊璇紱绋�鐩愰吀涓庡ぇ鐞嗙煶鍙戠敓浜嗗鍒嗚В鍙嶅簲锛?/p>
D
椤?/p>
閿欒銆?/p>
绛旀锛?/p>
B
4
锛?/p>
鍚稿叆浜轰綋鍐呯殑姘ф湁
2%
杞寲涓烘哀鍖栨�ф瀬寮虹殑鈥滄椿鎬ф哀鈥濓紝
瀹冭兘鍔犻�熶汉浣撹“鑰侊紝
琚О涓衡�滅敓
鍛芥潃鎵嬧�濓紝鏈嶇敤鍚鍏冪礌
(Se)
鐨勫寲鍚堢墿浜氱閰搁挔
(Na
2
SeO
3
)
锛岃兘娑堥櫎浜轰綋鍐呯殑娲绘�ф哀锛岀敱姝ゆ帹鏂?/p>
Na
2
SeO
3
鐨勪綔鐢ㄦ槸
(
)
A
锛庝綔杩樺師鍓?/p>
B
锛庝綔姘у寲鍓?/p>
C
锛庢棦浣滄哀鍖栧墏鍙堜綔杩樺師鍓?/p>
D
锛庢棦涓嶄綔姘у寲鍓傚張涓嶄綔杩樺師鍓?/p>
瑙ｆ瀽锛?/p>
鏍规嵁棰樹腑淇℃伅鈥滀簹纭掗吀閽?/p>
(Na
2
SeO
3
)
鑳芥秷闄や汉浣撳唴鐨勬椿鎬ф哀鈥濓紝娲绘�ф哀鍏锋湁姘у寲鎬э紝