| ²é¿´: 1470 | »Ø¸´: 11 | ||
Í©Ýç²×º£½ð³æ (³õÈëÎÄ̳)
|
[ÇóÖú]
ÇóÖúÒ»µÀÎïÀí»¯Ñ§ÌâÄ¿
|
|
ÒÑÖª£ºSm£¨H2, g, 298K£©= 130.6 J/K•mol£¬Cpm£¨H2, g£©£½ 28.87 J/K•mol£¬°Ñ298K£¬100kPa£¬10dm3µÄÇâÆø£¨ÀíÏëÆøÌ壩¾øÈÈ¿ÉÄæÑ¹ËõÖÁ1dm3£¬ÇóÖÕ̬µÄζȺÍѹÁ¦£¬ÒÔ¼°¦¤U£¬¦¤S£¬¦¤A£¬¦¤G£¬¦¤H [ Last edited by sddtc888 on 2013-11-10 at 12:12 ] |
» ²ÂÄãϲ»¶
¿ÉÉúÎï½µ½â¾Ûõ¥ÕýÔÚÖØËÜÏÖ´úÒ½ÁÆÆ÷е
ÒѾÓÐ0È˻ظ´
26½ì²©Ê¿ÉêÇë
ÒѾÓÐ4È˻ظ´
Óлú¸ß·Ö×Ó²ÄÁÏÂÛÎÄÈóÉ«/·ÒëÔõôÊÕ·Ñ?
ÒѾÓÐ158È˻ظ´
PLLA ΢ÇòÔÚÉúÎïҽѧÁìÓòµÄÑо¿ÓëÓ¦ÓÃ
ÒѾÓÐ1È˻ظ´
PLLA ΢ÇòµÄ²ÄÁÏÌØÐÔÓëÖÆ±¸¹¤ÒÕ½âÎö
ÒѾÓÐ0È˻ظ´
Ò½ÓþۼºÄÚõ¥£¨PCL£©È«½âÎö£º´ÓÁ½¶Îʽ½µ½âµ½×éÖ¯¹¤³ÌÓ¦ÓÃ
ÒѾÓÐ0È˻ظ´
·´Ïà¹è½ºÈçºÎÔÙÉú£¿
ÒѾÓÐ1È˻ظ´
¹þ¶û±õÀí¹¤´óѧ2026ÄêÑо¿Éúµ÷¼Á£¬²ÄÁÏ¿ÆÑ§Ó뻯ѧ¹¤³ÌѧԺÑо¿Éúµ÷¼Á
ÒѾÓÐ3È˻ظ´
Î人һ±¾¸ßУÕÐÊÕ²ÄÁÏ¡¢»¯Ñ§¡¢¸ß·Ö×Ó¡¢·ÄÖ¯¡¢ÉúÎïÏà¹Ø×¨ÒµË¶Ê¿Éú
ÒѾÓÐ0È˻ظ´
» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:
Çó½âѹǿÌâĿһµÀ
ÒѾÓÐ4È˻ظ´
ÇóÖúÒ»µÀÎÞ»ú»¯Ñ§Ìâ
ÒѾÓÐ9È˻ظ´
Çó½ÌÒ»µÀÎﻯÌâ
ÒѾÓÐ5È˻ظ´
Ò»µÀÎïÀí»¯Ñ§ÌâÄ¿
ÒѾÓÐ9È˻ظ´
Á½µÀ¹ØÓÚÏàÂɵÄÎïÀí»¯Ñ§ÌâÄ¿
ÒѾÓÐ3È˻ظ´
ºÜÄÑ˼¿¼µÄÒ»µÀÎﻯÌâ
ÒѾÓÐ9È˻ظ´
ÇóÖú¸ßµÈÓлú»¯Ñ§ÌâÒ»µÀ
ÒѾÓÐ6È˻ظ´
Ò»µÀÎﻯÌâÔõôÏëÔõô¶Ô£¬Çó½âÊÍ
ÒѾÓÐ8È˻ظ´
ÇóÖúÒ»µÀ×¢²á»¯¹¤¹¤³ÌʦÀïµÄÒ»µÀ¹ØÓÚ»¯Ñ§Æ½ºâµÄÎﻯÌâ
ÒѾÓÐ6È˻ظ´
ÇóÖúÒ»µÀÎﻯÌâ
ÒѾÓÐ16È˻ظ´
ÇóÖúÒ»µÀÎïÀí»¯Ñ§¶¯Á¦Ñ§ÌâÄ¿
ÒѾÓÐ9È˻ظ´
¼±£¡£¡Ò»µÀ¿¼ÑÐÎïÀí»¯Ñ§Ì⣬ʵÔÚ²»»áÁË£¬Âé·³¸øÎ»´óÉñ°ïæ½â¾öÏ£¡
ÒѾÓÐ9È˻ظ´
Ò»µÀ¹ØÓÚ»¯Ñ§Æ½ºâµÄÑ¡ÔñÌâÇó½â
ÒѾÓÐ7È˻ظ´
Ò»µÀºÜ¼òµ¥µÄÎïÀí»¯Ñ§Ì⣬Çë´ó¼Ò¸øÎÒ½âÊÍÒ»ÏÂ,лл~
ÒѾÓÐ14È˻ظ´
¡¾¿Îºó´ð°¸¡¿ÎﻯϰÌâ
ÒѾÓÐ20È˻ظ´
10¸ö½ð±ÒÇóÖúÒ»µÀÈÈÁ¦Ñ§ÎÊÌâ
ÒѾÓÐ8È˻ظ´
Îﻯ¿¼²©ÆßÌâÇó½â£¬Ð»Ð»
ÒѾÓÐ10È˻ظ´
¼±Çó½â´ð~~~Ò»µÀÎïÀí»¯Ñ§¼ò´ðÌâ Íû´óÉñÃÇÖ¸µã
ÒѾÓÐ12È˻ظ´
ÐüÊâÇóÖúÒ»¸öºÜ¼òµ¥µÄÎﻯÌ⣡
ÒѾÓÐ3È˻ظ´
ÇóÖú£º°ïæ½âÁ½µÀ»¯Ñ§·ÖÎöÌ⣨Ҫ˼·£©
ÒѾÓÐ11È˻ظ´
ÇóÖúÒ»µÀ¼«ÏÞÌâ
ÒѾÓÐ6È˻ظ´
¡¾ÇóÖú¡¿Çë½Ì½â´ðÒ»µÀÎÞ»ú»¯Ñ§ÌâÄ¿
ÒѾÓÐ7È˻ظ´
¡¾ÇóÖú¡¿¿¼ÊÔÔÚ¼´£¬ÇóÖú¼¸µÀÎﻯÌâ¡£¡£¡£
ÒѾÓÐ14È˻ظ´
¡¾ÇóÖú¡¿Ò»µÀÎﻯѡÔñÌâ
ÒѾÓÐ19È˻ظ´
¡¾ÇóÖú¡¿ÇóÖúÎïÀí»¯Ñ§Ìâ
ÒѾÓÐ3È˻ظ´
¡¾ÇóÖú¡¿Çó½âÒ»µÀÓйØÅÝÀû¾ØÕóµÄÁ¿×ÓÁ¦Ñ§Ï°Ìâ
ÒѾÓÐ12È˻ظ´
¡¾ÇóÖú¡¿Ò»µÀ³õ¶þÎïÀí¾ºÈüÌâÄ¿Çó½â£¬Ð»Ð»£¡
ÒѾÓÐ7È˻ظ´
¡¾ÇóÖú¡¿°ïÖú½âÒ»µÀÌ⣨Áù¼¶µÄÕæÌ⣩
ÒѾÓÐ6È˻ظ´
ÇóÖú2µÀÎïÀí»¯Ñ§ÀïµÄÈÈÁ¦Ñ§ÎÊÌâ
ÒѾÓÐ28È˻ظ´
Í©Ýç²×º£
½ð³æ (³õÈëÎÄ̳)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 1021
- Ìû×Ó: 14
- ÔÚÏß: 2.9Сʱ
- ³æºÅ: 2409269
- ×¢²á: 2013-04-09
- ÐÔ±ð: MM
- רҵ: ´ß»¯»¯Ñ§
2Â¥2013-11-09 19:07:56
Í©Ýç²×º£
½ð³æ (³õÈëÎÄ̳)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 1021
- Ìû×Ó: 14
- ÔÚÏß: 2.9Сʱ
- ³æºÅ: 2409269
- ×¢²á: 2013-04-09
- ÐÔ±ð: MM
- רҵ: ´ß»¯»¯Ñ§
3Â¥2013-11-09 19:08:06
pmmasdf
¾èÖú¹ó±ö (³õÈëÎÄ̳)
- Ó¦Öú: 1 (Ó×¶ùÔ°)
- ½ð±Ò: 101.3
- Ìû×Ó: 9
- ÔÚÏß: 9.9Сʱ
- ³æºÅ: 2649568
- ×¢²á: 2013-09-12
- רҵ: Åäλ»¯Ñ§
4Â¥2013-11-10 09:29:44
qq511803459
ͳæ (ÕýʽдÊÖ)
- Ó¦Öú: 10 (Ó×¶ùÔ°)
- ½ð±Ò: 830.1
- É¢½ð: 305
- ºì»¨: 4
- Ìû×Ó: 847
- ÔÚÏß: 975.9Сʱ
- ³æºÅ: 1280576
- ×¢²á: 2011-04-28
- ÐÔ±ð: GG
- רҵ: ÉúÎï²ÄÁÏ
5Â¥2013-11-10 10:13:51
ÖÒ»Ô¾ôÊ¿
ľ³æ (ÕýʽдÊÖ)
- ICEPI: 1
- Ó¦Öú: 385 (˶ʿ)
- ½ð±Ò: 1564.6
- ºì»¨: 33
- Ìû×Ó: 919
- ÔÚÏß: 199.2Сʱ
- ³æºÅ: 1067143
- ×¢²á: 2010-07-31
- רҵ: ÓлúºÏ³É
¡¾´ð°¸¡¿Ó¦Öú»ØÌû
¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
Í©Ýç²×º£(m0378´ú·¢): ½ð±Ò+2, ºÜºÃµÄÓ¦Öú 2013-11-11 21:16:02
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
Í©Ýç²×º£(m0378´ú·¢): ½ð±Ò+2, ºÜºÃµÄÓ¦Öú 2013-11-11 21:16:02
|
Æäʵ¸ù±¾²»ÓÃËÀ¼ÇÓ²±³¹«Ê½µÄ£¬×ÖÃæÀí½â¾øÈȹý³Ì£¬±ØÈ»ÓÐdq=0 ¸ù¾ÝdU=dq+dw£¨Õâ¸ö´ó¸Å²»Óñ³Ò²ÄÜÀí½â°É£©£¬¿ÉÖªdU=dw dU=nCv,mdT£¨Õâ¸öËÆºõÐèÒª¼Çһϣ©£¬dw=-pÍâdV£¬¶ø¹ý³Ì¿ÉÄæ¹ÊpÍâ=p£¬dw=-pdV ¶ÔÀíÏëÆøÌ壬p=nRT/V ËùÒÔ¾ÍÓÐCv,mdT=-RTdV/V °ÑÕâ¸öʽ×Ó»ý·Ö£¨Çë×Բ鳣΢·Ö·½³Ì£©£¬¾ÍÊÇCv,mln(T2/T1)=-Rln(V2/V1) ºóÂÔ |
6Â¥2013-11-10 11:34:56
hey_hahaha
гæ (СÓÐÃûÆø)
- Ó¦Öú: 1 (Ó×¶ùÔ°)
- ½ð±Ò: 1215.9
- Ìû×Ó: 60
- ÔÚÏß: 15.3Сʱ
- ³æºÅ: 2745318
- ×¢²á: 2013-10-22
- רҵ: ¸ß·Ö×Ӻϳɻ¯Ñ§
7Â¥2013-11-11 06:49:36
gongxd325
ÖÁ×ðľ³æ (ÎÄ̳¾«Ó¢)
- Ó¦Öú: 177 (¸ßÖÐÉú)
- ½ð±Ò: 37751.6
- É¢½ð: 13187
- ºì»¨: 109
- Ìû×Ó: 34003
- ÔÚÏß: 1844.8Сʱ
- ³æºÅ: 233962
- ×¢²á: 2006-03-30
- ÐÔ±ð: MM
- רҵ: ÀíÂۺͼÆË㻯ѧ
¡¾´ð°¸¡¿Ó¦Öú»ØÌû
¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
Í©Ýç²×º£(m0378´ú·¢): ½ð±Ò+1, лл²ÎÓë 2013-11-11 21:15:46
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
Í©Ýç²×º£(m0378´ú·¢): ½ð±Ò+1, лл²ÎÓë 2013-11-11 21:15:46
|
LZ°¡£¬ÕâÊÇÎïÀí»¯Ñ§ÈÈÁ¦Ñ§²¿·Ö×î»ù±¾µÄÌâÄ¿£¬»¹Êǵúúÿ´¿´Êé¡£ ÖªµÀCp,mÇóµÃCV,mºÍ±ÈÈÈÈÝ£¬¸ù¾Ý¾øÈÈ¿ÉÄæ¹ý³Ì·½³ÌÇóµÃÖÕ̬ζȣ¬ÆäËüµÄ¾Í²»Óöà˵ÁË£º ¦¤U=Cv¦¤T£¬¦¤H=Cp¦¤T£¬¦¤S=0£¬¦¤A=¦¤U-¦¤(TS)=¦¤U-S¦¤T£¬¦¤G=¦¤H-¦¤(TS)=¦¤H-S¦¤T |

8Â¥2013-11-11 08:37:32
a6848265
½ð³æ (СÓÐÃûÆø)
- Ó¦Öú: 6 (Ó×¶ùÔ°)
- ½ð±Ò: 825.4
- É¢½ð: 6
- ºì»¨: 9
- ɳ·¢: 1
- Ìû×Ó: 275
- ÔÚÏß: 33.3Сʱ
- ³æºÅ: 843981
- ×¢²á: 2009-09-09
- ÐÔ±ð: GG
- רҵ: ÄÜÔ´»¯¹¤

9Â¥2013-11-11 16:51:41
luffy··É
ͳæ (СÓÐÃûÆø)
- Ó¦Öú: 4 (Ó×¶ùÔ°)
- ½ð±Ò: 919.5
- É¢½ð: 5
- Ìû×Ó: 119
- ÔÚÏß: 14.9Сʱ
- ³æºÅ: 2793540
- ×¢²á: 2013-11-11
- ÐÔ±ð: GG
- רҵ: ½á¹¹»¯Ñ§
10Â¥2013-11-11 18:01:11













»Ø¸´´ËÂ¥