18.9ÉýË®µÈÓÚ¶àÉÙ½ïË®?

3. ¸ù¾Ý¹«Ê½£ºÖÊÁ¿=Ìå»ýxÃܶÈËùÒÔ18.9ÉýË®µÄÖÊÁ¿=Ë®µÄÌå»ýxÃܶÈ=18.9/1000x1000=18.9kg¡£4. ¶ø1kg=2½ï£¬ËùÒÔ18.9kg=18.9x2=37.8½ï¡£ËùÒÔ18.9ÉýË®µÈÓÚ37.8...


18.9 - 18.9/1.4Ôõô¼ò±ãÔËËã

´ð°¸½âÎö ²é¿´¸ü¶àÓÅÖʽâÎö ½â´ðÒ» ¾Ù±¨ 18.9-18.9/1.4=18.9-18.9*(10/14)=18.9*(1-5/7)=18.9*(2/7)=5.4 ½âÎö¿´²»¶®?Ãâ·Ñ²é¿´Í¬ÀàÌâÊÓƵ½âÎö²é¿´½â´ð ...


¼×ÒÒÁ½ÊýµÄ²îΪ18.9,Èô½«ÒÒÊýµÄСÊýµãÏò×óÒƶ¯Ò»Î»...

½â´ð:½â:Éè¼×ÊýΪx,ÔòÒÒÊýΪ10x,Óɴ˿ɵÃ,10x-x=18.9   9x=18.9,    x=2.1;ÔòÒÒÊýΪ:2.1¡Á10=21.¹Ê´ð°¸Îª:2.1,21.


´Ù¼××´ÏÙËØ(tsh)18.9ÓÎÀë¼××´ÏÙ

´Ù¼××´ÏÙËØ£¨TSH£©Ö÷Òªµ÷½Ú¼××´ÏÙ¼¤ËغϳɺͷÖÃÚ£¬ÆäˮƽÉý¸ß¿ÉÄÜ·´Ó³¼××´ÏÙ¹¦ÄܼõÍË¡£ÓÎÀë¼××´ÏÙËØ£¨FT4£©ÊǼ××´ÏٺϳɵÄÒ»ÖÖ¼¤ËØ£¬Æ«¸ß¿ÉÄܱíÃ÷´æÔÚ...


18.9ÉýÍ°×°Ë®¶àÉÙ½ï

½«L=18.9´úÈëÉÏʽ£¬¼´¿ÉÇó³ö´ð°¸¡£¼ÆËã½á¹ûΪ£º18.9ÉýÍ°×°Ë®µÈÓÚ37.8½ï¡£Í°×°Ë®ÊÇÖ¸²ÉÓÃ×ÔÀ´Ë®»ò³éÈ¡µØÏÂË®£¬¾­¹ýÏÖ´ú¹¤Òµ¼¼Êõ£¨·´Éø͸¡¢µçÉøÎö¡¢ÕôÁó¡¢Ê÷Ö¬Èí»¯µÈ£©...


Í°×°´¿¾»Ë®18.9LÊǶàÖØ?

ÒûË®»úÉϵÄһͰ´¿¾»Ë®£¨18.9Éý£©µÄÖØÁ¿Îª37.8½ï¡£½â£º¸ù¾ÝÖÊÁ¿=Ìå»ýxÃܶÈÕâ¸ö¹«Ê½£¬¿ÉµÃ£¬Ë®µÄÖÊÁ¿=Ë®µÄÌå»ýxË®µÄÃܶÈ=18.9Éýx1ǧ¿Ë/...


...ÑéËã: 6.75 - 2.89 ÑéËã: 1.O6¡Á4.7 ÑéËã: 18.9¡Â...

½â´ð:½â:37.25+14.78=52.03ÑéËã:6.75-2.89=3.86ÑéËã:1.O6¡Á4.7=4.982ÑéËã:18.9¡Â0.54=35ÑéËã:


...ÅÅ·ÅŨ¶ÈÊÇ18.9mg/m3,ÔõôËã¸ÃÆóÒµ·Û³¾ÅÅ·ÅÁ¿?×îºÃ...

ÓÉÒÑÖªÌõ¼þ¿ÉÖªÅÅ·ÅÌå»ýv=400*10^4m^3,ÅÅ·ÅŨ¶È¦Ñ=18.9mg/m^3¹ÊÿÄêµÄÅÅ·ÅÁ¿m=¦Ñv=18.9*400*10^4=75.6kg


ÔÐͪ18.9ÊDz»ÊÇÌرðµÍ - ÓÐÎʱشð

ÔÐͪ18.9ÊDz»ÊÇÌرðµÍ£¬Èç¹ûÊÇ»³ÔеĻ°£¬ÄÇôÕâÖÖÊýÖµ¾ÍÊDZȽϵ͵ģ¬ÔÚ»³ÔеÄÔçÆÚ£¬Ò»°ãÀ´ËµÔÐͪ´óÓÚ40²ÅÊÇÕý³£µÄ£¬»³Ôкó£¬Ó¦¸Ã×öºÃ¶¨ÆÚµÄ...


Ïà¹ØËÑË÷

ÈÈÃÅËÑË÷