²é¿´: 1697  |  »Ø¸´: 12
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

СȻ2187

Ìú¸Ëľ³æ (СÓÐÃûÆø)

[ÇóÖú] ¼ÓË®°ÑÎïÖÊÅä³É 50g/LµÄÈÜÒº£¬Õâ¾ä»°Ó¢ÎÄÔõô·­ÒëÄØ£¿£¿

¼ÓË®°ÑÎïÖÊÅä³É 50g/LµÄÈÜÒº£¬Õâ¾ä»°Ó¢ÎÄÔõô·­ÒëÄØ£¿£¿
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wwfiresure

Òø³æ (Ö°Òµ×÷¼Ò)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï
littleroad: ½ð±Ò+2, ¶àлÈÈÐÄÓ¦Öú£¡ 2012-11-02 11:56:16
Adding water solvent to dissolve the solutes completely, with a final concentration as 50g/l
3Â¥2012-11-02 11:22:29
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 13 ¸ö»Ø´ð

readbycandle

ľ³æ (ÖøÃûдÊÖ)

A thinking worm

Õâ¸öÊdz£ÓõÄ˵·¨Âð£¿ÎÒ¼û¹ýµÄ¶¼ÊǰٷÖÖ®¶àÉÙµÄÈÜÒº¡£ÍâÐÐÎÊÎÊ£¬Äª¹Ö¡£
2Â¥2012-11-02 11:13:01
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

À¶»Û

ľ³æ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï
etin: ½ð±Ò+1, ¸ÐлÀ¶»ÛMMÓ¦Öú 2012-11-02 19:44:43
add distilled water to dissolve the substance with a final concentration 50g/L
Ïò×ÅÄ¿±êǰ½ø£¡
4Â¥2012-11-02 15:22:06
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

mlanqiang

ľ³æÖ®Íõ (ÎÄѧ̩¶·)

À¶²©Ê¿

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï
ÇóÖªÕß001: ½ð±Ò+1, Thanks for your help~ 2012-11-07 19:17:16
¼ÓË®°ÑÎïÖÊÅä³É 50g/LµÄÈÜÒº
prepare a solution with concentration 50g/L by mixing water and  solute.
À¶¾«Áé
5Â¥2012-11-02 16:00:59
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] Ò»Ö¾Ô¸Öк£Ñó²ÄÁϹ¤³Ìר˶330·ÖÇóµ÷¼Á +5 С²Ä»¯±¾¿Æ 2026-03-18 5/250 2026-03-18 21:53 by ÎÞи¿É»÷111
[¿¼ÑÐ] 267Ò»Ö¾Ô¸ÄϾ©¹¤Òµ´óѧ0817»¯¹¤Çóµ÷¼Á +8 SUICHILD 2026-03-12 8/400 2026-03-18 20:55 by winsuccess
[¿¼ÑÐ] 311Çóµ÷¼Á +6 26ÑÐ0 2026-03-15 6/300 2026-03-18 14:43 by haxia
[¿¼ÑÐ] 297Çóµ÷¼Á +8 Ï·¾«µ¤µ¤µ¤ 2026-03-17 8/400 2026-03-18 14:30 by laoshidan
[¿¼ÑÐ] ²ÄÁÏר˶306Ó¢Ò»Êý¶þ +10 z1z2z3879 2026-03-16 13/650 2026-03-18 14:20 by 007_lilei
[¿¼ÑÐ] 0703»¯Ñ§µ÷¼Á £¬Áù¼¶Òѹý£¬ÓпÆÑо­Àú +10 êØÎõÙâ 2026-03-15 10/500 2026-03-18 14:19 by 007_lilei
[¿¼ÑÐ] 312Çóµ÷¼Á +8 İå·Ï£ 2026-03-16 9/450 2026-03-18 12:39 by Linda Hu
[¿¼ÑÐ] ¹¤¿Æ²ÄÁÏ085601 279Çóµ÷¼Á +6 À§ÓÚÐdz¿ 2026-03-17 6/300 2026-03-18 10:21 by kkcoco25
[¿¼ÑÐ] ÉúÎïѧ071000 329·ÖÇóµ÷¼Á +3 ÎÒ°®ÉúÎïÉúÎﰮΠ2026-03-17 3/150 2026-03-18 10:12 by macy2011
[»ù½ðÉêÇë] ±»ÎÒÑÔÖУºÐÂÄ£°å²»Ç¿µ÷¸ñʽÁË£¬¼Ùר¼Ò¿ªÊ¼¹Ü¸ñʽÁË +4 beefly 2026-03-14 4/200 2026-03-17 22:04 by »ÆÄñÓÚ·ÉChao
[¿¼ÑÐ] Áº³ÉΰÀÏʦ¿ÎÌâ×é»¶Ó­ÄãµÄ¼ÓÈë +8 һѼѼӴ 2026-03-14 10/500 2026-03-17 15:07 by һѼѼӴ
[¿¼ÑÐ] Ò»Ö¾Ô¸ÄϾ©´óѧ£¬080500²ÄÁÏ¿ÆÑ§Ó빤³Ì£¬µ÷¼Á +4 Jy? 2026-03-16 4/200 2026-03-17 11:02 by gaoqiong
[¿¼ÑÐ] Ò»Ö¾Ô¸£¬¸£ÖÝ´óѧ²ÄÁÏר˶339·ÖÇóµ÷¼Á +3 ľ×ÓmomoÇàÕù 2026-03-15 3/150 2026-03-17 07:52 by laoshidan
[¿¼ÑÐ] 0854¿ØÖƹ¤³Ì 359Çóµ÷¼Á ¿É¿çרҵ +3 626776879 2026-03-14 9/450 2026-03-16 17:42 by 626776879
[¿¼ÑÐ] 070300»¯Ñ§Ñ§Ë¶Çóµ÷¼Á +6 Ì«Ïë½ø²½ÁË0608 2026-03-16 6/300 2026-03-16 16:13 by kykm678
[¿¼ÑÐ] ±¾¿ÆÄϾ©´óѧһ־Ը´¨´óҩѧ327 +3 ÂóÌï¸ûÕß 2026-03-14 3/150 2026-03-14 20:04 by ÍâÐÇÎÄÃ÷
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤ 323 Ó¢Ò»+Êý¶þ+Îﻯ£¬Ò»Ö¾Ô¸£º¹þ¹¤´ó ±¾È˱¾¿ÆË«Ò»Á÷ +4 ×ÔÓɵÄ_·ÉÏè 2026-03-13 5/250 2026-03-14 19:39 by hmn_wj
[¿¼ÑÐ] 265Çóµ÷¼Á +4 Íþ»¯±ý07 2026-03-12 4/200 2026-03-14 17:23 by userper
[»ù½ðÉêÇë] ÏÖÔÚÈçºÎ»Ø±ÜÈ¥ÄêµÄijһ¸öר¼Ò£¬²»ÖªµÀÃû×Ö +3 zk200107 2026-03-12 6/300 2026-03-14 17:13 by zk200107
[¿¼²©] ¸£ÖÝ´óѧÑî»ÆºÆ¿ÎÌâ×éÕÐÊÕ2026Äêרҵѧλ²©Ê¿Ñо¿Éú£¬2026.03.20½ØÖ¹ +3 Xiangyu_ou 2026-03-12 3/150 2026-03-13 09:36 by duanwu655
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û