| ³ÄÜÅÆ·ÊÌï·Û ÓÐЧ³É·Ö£ºÁòËáï§£®£¨NH4£©2SO4 º¬µªÁ¿£º20% Éú²úÈÕÆÚ£º2014Äê11ÔÂ14ÈÕ |
·ÖÎö £¨1£©¸ù¾Ý»¯ºÏÎïÖи÷ÔªËØÖÊÁ¿±È=¸÷Ô×ÓµÄÏà¶ÔÔ×ÓÖÊÁ¿¡ÁÔ×Ó¸öÊýÖ®±È£¬½øÐзÖÎö½â´ð£®
£¨2£©¸ù¾ÝÏà¶Ô·Ö×ÓÖÊÁ¿Îª¹¹³É·Ö×ӵĸ÷Ô×ÓµÄÏà¶ÔÔ×ÓÖÊÁ¿Ö®ºÍ£¬½øÐзÖÎö½â´ð£®
£¨3£©¸ù¾Ý»¯ºÏÎïÖÐÔªËØµÄÖÊÁ¿·ÖÊý=$\frac{Ïà¶ÔÔ×ÓÖÊÁ¿¡ÁÔ×Ó¸öÊý}{Ïà¶Ô·Ö×ÓÖÊÁ¿}$¡Á100%£¬½øÐзÖÎö½â´ð£®
£¨4£©»ìºÏÎïÖÐij»¯ºÏÎïµÄÖÊÁ¿·ÖÊý£¨´¿¶È£©=$\frac{º¬ÔÓÖÊÎïÖÊÔªËØµÄÖÊÁ¿·ÖÊý}{ÎïÖÊÖÐÄ³ÔªËØµÄÖÊÁ¿·ÖÊý}$¡Á100%£¬½øÐзÖÎö½â´ð£®
½â´ð ½â£º£¨1£©ÁòËáï§Öеª¡¢Çâ¡¢Áò¡¢ÑõËÄÖÖÔªËØµÄÖÊÁ¿±ÈΪ£¨14¡Á2£©£º£¨1¡Á8£©£º32£º£¨16¡Á4£©=7£º2£º8£º16£®
£¨2£©ÁòËáï§µÄÏà¶Ô·Ö×ÓÖÊÁ¿Îª£¨14+1¡Á4£©¡Á2+32+16¡Á4=132£®
£¨3£©ÁòËáï§ÖеªÔªËصÄÖÊÁ¿·ÖÊýΪ$\frac{14¡Á2}{132}¡Á$100%¡Ö21.2%£®
£¨4£©ÕâÖÖ»¯·ÊÖÐÁòËá淋Ĵ¿¶ÈΪ$\frac{20%}{21.2%}¡Á$100%¡Ö94.3%£®
´ð£º£¨1£©ÁòËáï§Öеª¡¢Çâ¡¢Áò¡¢ÑõËÄÖÖÔªËØµÄÖÊÁ¿±ÈΪ7£º2£º8£º16£»£¨2£©ÁòËáï§µÄÏà¶Ô·Ö×ÓÖÊÁ¿Îª132£»£¨3£©ÁòËáï§ÖеªÔªËصÄÖÊÁ¿·ÖÊýΪ21.2%£»£¨4£©ÕâÖÖ»¯·ÊÖÐÁòËá淋Ĵ¿¶ÈΪ94.3%£®
µãÆÀ ±¾ÌâÄѶȲ»´ó£¬¿¼²éͬѧÃǽáºÏÐÂÐÅÏ¢¡¢Áé»îÔËÓû¯Ñ§Ê½µÄÓйؼÆËã½øÐзÖÎöÎÊÌâ¡¢½â¾öÎÊÌâµÄÄÜÁ¦£®
| Äê¼¶ | ¸ßÖÐ¿Î³Ì | Äê¼¶ | ³õÖÐ¿Î³Ì |
| ¸ßÒ» | ¸ßÒ»Ãâ·Ñ¿Î³ÌÍÆ¼ö£¡ | ³õÒ» | ³õÒ»Ãâ·Ñ¿Î³ÌÍÆ¼ö£¡ |
| ¸ß¶þ | ¸ß¶þÃâ·Ñ¿Î³ÌÍÆ¼ö£¡ | ³õ¶þ | ³õ¶þÃâ·Ñ¿Î³ÌÍÆ¼ö£¡ |
| ¸ßÈý | ¸ßÈýÃâ·Ñ¿Î³ÌÍÆ¼ö£¡ | ³õÈý | ³õÈýÃâ·Ñ¿Î³ÌÍÆ¼ö£¡ |
¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ
| A£® | ÉÕ± | B£® | ÉÕÆ¿ | C£® | ÊÔ¹Ü | D£® | ¼¯ÆøÆ¿ |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ
| ÐòºÅ | ÐèÇø·ÖÎïÖÊ | ·½·¨Ò» | ·½·¨¶þ |
| A | ¿ÕÆøºÍÑõÆø | Óôø»ðÐÇľÌõ¼ìÑé | ÎÅÆøÎ¶ |
| B | ӲˮºÍÈíË® | ¹Û²ìÑÕÉ« | ¼Ó·ÊÔíË®½Á°è |
| C | Ìú·ÛºÍÌ¿·Û | ÓôÅÌúÎüÒý | ¼ÓÏ¡ÁòËá |
| D | ÇâÑõ»¯ÄÆÈÜÒººÍ̼ËáÄÆÈÜÒº | ÓÃÎÞÉ«·Ó̪ÈÜÒºÊÔÒº | ¼ÓÏ¡ÑÎËá |
| A£® | A | B£® | B | C£® | C | D£® | D |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ
| ʵÑ鱨¸æ | ||
| ʵÑéÄ¿µÄ£ºÇëÓû¯Ñ§·½·¨¼ø¶¨Ò»Æ¿ÎÞɫ͸Ã÷µÄÊÔ¼ÁÊÇÕôÁóË®»¹ÊÇÏõËáÒøÈÜÒº | ||
| ʵÑéÒÇÆ÷£ºµÎ¹Ü¡¢ÊÔ¹Ü | ||
| ÄãµÄ²Â²â£º | ÄãµÄʵÑé²½Öè | ¿ÉÄܹ۲쵽µÄÏÖÏ󼰵óöµÄ½áÂÛ |
| ÕâÆ¿ÊÔ¼Á¿ÉÄÜÊÇ ÏõËáÒø | ÔÚÊÔ¹ÜÖмÓÈëÎÞɫ͸Ã÷µÄÊÔ¼Á£¬È»ºóÓýºÍ·µÎ¹ÜµÎ¼ÓÏ¡ÑÎËá | Óа×É«³ÁµíÉú³É£¬ÔòÖ¤Ã÷ÎÞɫ͸Ã÷µÄÊÔ¼ÁÊÇÏõËáÒøÈÜÒº£¨»òûÓÐÃ÷ÏÔµÄÏÖÏó£¬ÔòÖ¤Ã÷ÎÞɫ͸Ã÷µÄÊÔ¼ÁÊÇÕôÁóË®£© |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ
| A£® | ÊôÓÚͬһÖÖÔªËØ | B£® | ¾ßÓÐÏàͬµÄ»¯Ñ§ÐÔÖÊ | ||
| C£® | ºËÍâµç×ÓÊýÏàͬ | D£® | ¾ßÓÐÏàͬµÄµç×Ó²ãÊý |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ
| CH4 | C2H6 | C3H8 | C4H10 | C5H12 | |
| ·Ðµã/¡æ | -164 | -89 | -42.1 | -0.5 | 36.1 |
²é¿´´ð°¸ºÍ½âÎö>>
¹ú¼ÊѧУÓÅÑ¡ - Á·Ï°²áÁбí - ÊÔÌâÁбí
ºþ±±Ê¡»¥ÁªÍøÎ¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨Æ½Ì¨ | ÍøÉÏÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | µçÐÅթƾٱ¨×¨Çø | ÉæÀúÊ·ÐéÎÞÖ÷ÒåÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | ÉæÆóÇÖȨ¾Ù±¨×¨Çø
Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com