°æ¿éµ¼º½
ÕýÔÚ¼ÓÔØÖÐ...
¿Í»§¶ËAPPÏÂÔØ
ÂÛÎĸ¨µ¼
µ÷¼ÁС³ÌÐò
怬
×¢²á
Ìû×Ó
Ìû×Ó
Óû§
±¾°æ
24СʱÈÈÃŰæ¿éÅÅÐаñ
>
¿¼ÑÐ
(4336)
>
µ¼Ê¦ÕÐÉú
(2600)
>
³æÓÑ»¥Ê¶
(390)
>
ÐÝÏйàË®
(375)
>
¿¼²©
(272)
>
ÎÄÏ×ÇóÖú
(251)
>
˶²©¼ÒÔ°
(227)
>
ÂÛÎÄͶ¸å
(131)
>
½Ìʦ֮¼Ò
(88)
>
ÕÐÆ¸ÐÅÏ¢²¼¸æÀ¸
(86)
>
¹«Åɳö¹ú
(85)
>
»ù½ðÉêÇë
(81)
>
²©ºóÖ®¼Ò
(62)
>
²ÄÁÏ×ÛºÏ
(26)
>
ÕÒ¹¤×÷
(21)
>
SciFinder/Reaxys
(19)
ÉêÇëµ±°æÖ÷
|
´æµµÇø
|
Ó¦ÖúÅÅÐÐ
|
CE-EPIÅÅÐÐ
Сľ³æÂÛ̳-ѧÊõ¿ÆÑл¥¶¯Æ½Ì¨
»
»¯Ñ§»¯¹¤Çø
»
»¯¹¤É豸
¶©ÔÄ
¹ÜÀíÍŶÓ
(½ð±Ò¿â
61257.1
³äÖµ
)
Ö÷¹ÜÇø³¤£º
pzypdl
fatewu
С_°ü×Ó
ʵϰ°æÖ÷£º
txh3144522
½Ü³ö¹±Ï×Õß
ר¼Ò¹ËÎÊ£º
ìã·ç_luan
liaifeng
sdfg_0012
ÈÙÓþ°æÖ÷£º
¶ÔÎÇÓã
Öî¸ðÉñú—
mooncakexzj
wanggch123
seagrove
·ãÒ¶×Ó2006
dnp
·ÑÒ¦ÓÀ·Ò
ÈÙÓþ³ÉÔ±£º
liyaoman4
huziguo
zhxixik
ŵÒÁÌïÔ°
supercooling
threight
nwxjh
hunhun3887
lvaudi
Lancashire
NGJ889KWWC;
11291
4/113
Ê×Ò³
ÉÏÒ»Ò³
2
3
4
5
6
7
ÏÂÒ»Ò³
È«²¿
É豸²Ù×÷¼¼Êõ
¾²É豸
¶¯É豸
¹¤ÒµÂ¯
»¯¹¤²ÄÁÏ
µ¥Ôª²Ù×÷
»¯¹¤Èí¼þ
¹ÜµÀÓë·§ÃÅ
ר¼Ò½»Á÷ÊÒ
×ÊÔ´·ÖÏí
×ÛºÏÆäËü
°æÄÚÊÂÎñ
°æ¿é»î¶¯
°æÀúÊ·²©Îï¹Ý
»ØÌûÅÅÐò
·¢±íÅÅÐò
Ë¢ÐÂÒ³Ãæ
|
½»Á÷
|
ÇóÖú
|
×ÊÔ´
¾«»ªÇø
×÷Õß
×îºó·¢±í
[
Èȵã
]
Çóµ÷¼Á
yunziaaaaa
2026-03-01
¸Õ¸Õ
[
¶¯É豸
]
AKTA²ãÎöϵͳÓÃ×ÅÕ¦Ñù£¿À´ÁÄÁÄ£¡
(1/1093)
2025dream
2025-04-10
2025-04-15 14:31:59
by
liyan1994
[
¶¯É豸
]
ѰÕÒ³¬´¿¹èÈܽº·´Ó¦¸ª³§¼Ò
10
(2/1962)
¿ñ±¼ÎÏÅ£422
2025-03-28
2025-04-14 07:13:07
by
wenjun00
[
»¯¹¤Èí¼þ
]
aspenÈí¼þÎÊÌâ
50
(0/905)
¡ï³ÂêØ¡ï
2025-04-11
2025-04-11 21:13:33
by
¡ï³ÂêØ¡ï
[
×ÛºÏÆäËü
]
Õ㽺£Ñó´óѧʯÓÍ»¯¹¤Óë»·¾³Ñ§ÔºNewpowerLabÍŶӽÓÊÕµ÷¼ÁÐÅÏ¢
(25/1121)
eakmsgk52
2025-04-10
2025-04-11 15:46:41
by
xishandian
[
É豸²Ù×÷
]
ÄÉÃ×·ÖÉ¢Òº¹ÌÒº·ÖÀëÖÐÊÔÉ豸
5
(1/1083)
yhjhxd
2025-04-07
2025-04-07 13:38:10
by
talangzhe
[
É豸²Ù×÷
]
ÒºÏà·´Ó¦¸ª³§¼ÒÍÆ¼ö
20
(6/4158)
582704374
2021-02-04
2025-04-03 05:36:02
by
Ì«×ÓÀÖ
[
¶¯É豸
]
ʵʩ΢Ã×¼¶·ÛÄ©µÄ¹ÌÒº·ÖÀ룬¸ÃÓÃʲôÉ豸£¿
10
(5/1867)
6sbiam
2025-03-23
2025-03-28 12:17:02
by
6sbiam
[
»¯¹¤²ÄÁÏ
]
Âí¸¥Â¯Æ·ÅÆÍÆ¼ö
20
(6/2534)
ÑôֹإÁù
2023-04-19
2025-03-27 12:03:17
by
ÇàÇà²ÝÔϲÑòÑò
[
É豸²Ù×÷
]
Õô·¢¹¤ÒÕÉè¼Æ
(0/2966)
wenjun00
2025-03-25
2025-03-25 16:18:17
by
wenjun00
[
×ÊÔ´·ÖÏí
]
Á¬ÐøµçÈ¥Àë×Ó¼¼ÊõÔÚ³¬´¿Ë®ÖƱ¸ÖеŤÒÕ½âÎö
(0/1115)
СľÓã0312
2025-03-20
2025-03-20 10:02:02
by
СľÓã0312
[
×ÊÔ´·ÖÏí
]
³¬´¿Ë®ÖƱ¸ÏµÍ³ÔÚÓ¡Ë¢Ïß·°åÉú²úÖеļ¼ÊõÓ¦ÓÃ
(0/1319)
СľÓã0312
2025-03-20
2025-03-20 09:43:40
by
СľÓã0312
[
×ÛºÏÆäËü
]
³¬´¿Ë®É豸ÔÚµç¶ÆÐÐÒµÇåÏ´¹¤ÒÕÖеÄÓ¦ÓÃ
(0/1046)
СľÓã0312
2025-03-20
2025-03-20 09:38:27
by
СľÓã0312
[
»¯¹¤²ÄÁÏ
]
³¬´¿Ë®É豸£º²£Á§»ù°åÉú²úµÄµÃÁ¦ÖúÊÖ
(0/1059)
СľÓã0312
2025-03-19
2025-03-19 09:05:30
by
СľÓã0312
[
É豸²Ù×÷
]
΢²¨ÒDz»ÄÜ¿ØÖƺãÎÂ
10
(0/1839)
Aryahuan
2025-03-18
2025-03-18 16:42:21
by
Aryahuan
[
»¯¹¤²ÄÁÏ
]
¶àÁ˽âÓкô¦£¬
(0/934)
?ºìǦС×Ö
2025-03-15
2025-03-15 10:39:41
by
?ºìǦС×Ö
[
¶¯É豸
]
ʵʩ΢Ã×¼¶·ÛÄ©µÄ¹ÌÒº·ÖÀ룬¸ÃÓÃʲôÉ豸£¿
10
(1/3498)
6sbiam
2025-03-11
2025-03-12 20:09:05
by
czzygz
[
×ÊÔ´·ÖÏí
]
ÇóÖú±ê×¼ISO/IEC GUIDE 99
30
(0/939)
fangnu80
2025-03-11
2025-03-11 19:10:27
by
fangnu80
[
×ÊÔ´·ÖÏí
]
Çó<»¯¹¤ÈÈÁ¦Ñ§>Öì×ÔÇ¿µÄ½Ì²Ä
10
(0/3007)
xiao0420
2025-03-09
2025-03-09 10:49:34
by
xiao0420
[
É豸²Ù×÷
]
²»Ðâ¸Ö¼°Äø»ùºÏ½ð·´Ó¦Æ÷ËáÏ´¶Û»¯·½·¨
(0/1500)
ÊÀ¼ÍÉÀʺ¼ÖÝ
2025-03-07
2025-03-07 16:39:33
by
ÊÀ¼ÍÉÀʺ¼ÖÝ
[
×ÊÔ´·ÖÏí
]
ÇóÖú»¯Ñ§·´Ó¦¹¤³ÌµÚÎå°æ¿ÎºóϰÌâ´ð°¸
50
(0/1763)
ŵ»ùÑÇ
2025-03-01
2025-03-01 09:47:20
by
ŵ»ùÑÇ
[
×ÛºÏÆäËü
]
ɽ¶«Î«·»ÓÐСÐÍÇ⻯¸ª×â½èµÄû
50
(0/886)
z5p1
2025-02-25
2025-02-25 22:49:12
by
z5p1
[
¾²É豸
]
[ÒÑÍê½á]
Õô·¢ÀäÄý·¨ÖƱ¸ÄÉÃ×½ðÊô·ÛÄ©µÄÉ豸
(3/1368)
ÓÐÓïÎÞ»°
2018-06-02
2025-02-24 07:15:07
by
czzygz
[
×ÊÔ´·ÖÏí
]
HGT 20519-2009 »¯¹¤¹¤ÒÕÉè¼ÆÊ©¹¤Í¼ÄÚÈݺÍÉî¶Èͳһ¹æ¶¨
(
1
2
)
(ÆÀÔÄ+2)
(13/2645)
csulyt
2015-09-02
2025-02-19 06:08:37
by
ľÒס«Ñ©
[
¹¤ÒµÂ¯
]
ÇóÒ»¿î¿ÉÒÔÉèÖÃÉýÎÂËÙÂʵĵçÈÈÌ×
20
(6/2107)
Îâ666666
2024-12-28
2025-02-10 00:16:09
by
BT20230424
[
¹ÜµÀÓë·§
]
Èð¿ÆÍ¨ºãQH-DϵÁе綯Á½Î»Çл»·§¼°Çý¶¯Æ÷ʹÓÃ˵Ã÷
(0/1073)
ÊØóÆÊµ
2025-02-08
2025-02-08 11:16:36
by
ÊØóÆÊµ
[
¹ÜµÀÓë·§
]
Óиöï®µç³ØÏîÄ¿£¬É豸Éú²ú¹ý³Ì²úÉúÁò»¯Çâ
(24/5727)
°²ÐÄ×ÔÔÚ
2024-08-12
2025-01-21 03:21:56
by
°²ÐÄ×ÔÔÚ
[
×ÊÔ´·ÖÏí
]
ÇóÖú¹¤Òµ×Ô¶¯»¯ÒDZíÊõÓï±ê×¼ZBY247-87
5
(0/2302)
fangnu80
2025-01-12
2025-01-12 21:52:36
by
fangnu80
[
×ÊÔ´·ÖÏí
]
[ÒÑÍê½á]
»¯¹¤ÒDZí±ê×¼¡¢×ÊѶ»ò¶¯»×ÊÔ´¼ìË÷ºÍÏÂÔØµÄÍøÕ¾£¬×îºÃÊÇÃâ·ÑµÄ£¬»òÕßµÍÏû·ÑµÄ
(4/1671)
fangnu80
2025-01-07
2025-01-12 13:28:18
by
fangnu80
[
×ÛºÏÆäËü
]
·´Ó¦¸ª
(
1
2
)
20
(17/4340)
µç³Ø¸º¼«
2020-10-20
2025-01-10 09:30:29
by
JFKong
[
×ÛºÏÆäËü
]
ÉϺ£½»´óÍõÈçÖñ½ÌÊÚÍŶÓ×ÛÊöÈȱÃ-Ïà±ä´¢ÈÈñîºÏ¼¼Êõ
(1/1974)
yexuqing
2024-09-14
2025-01-08 10:45:33
by
zjdzfjc
[
¾²É豸
]
£ÛÇó½Ì£ÝŨÁòËáºÍÑÎËá·Ö±ðÓÐÄÄЩÀàÐ͵ÄÁ÷Á¿¼Æ¿ÉÊÊÓÃ
(16/5484)
999ؼStar
2024-10-25
2025-01-03 07:44:46
by
JFKong
[
É豸²Ù×÷
]
¶³¸É»ú
5
(3/1872)
²»ÔÃ_z
2024-11-06
2024-12-19 11:45:23
by
LjÏÈÉú
[
¶¯É豸
]
ÓÃÓÚ¼¼Êõ¿ÆÑеÄÕæ¿Õ±Ã
(4/2403)
Õæ¿Õ´óïÚ¿Í
2024-02-26
2024-12-12 16:11:20
by
LjÏÈÉú
[
×ÊÔ´·ÖÏí
]
Ç󻯹¤ÔÀíϲá½Ì²Äµç×Ó°æ
20
(2/2135)
ÁèR7
2023-02-10
2024-12-11 13:15:45
by
zjdzfjc
[
É豸²Ù×÷
]
ÒÇÆ÷¼Û¸ñÓëʹÓÃÊÙÃü
(1/1431)
newtonwin
2024-12-04
2024-12-05 04:42:24
by
cnofc
[
×ÛºÏÆäËü
]
Ïß²ÄÊÕÏßÅ̵ײ¿µÄ»¡ÐνṹΪʲôÄÜʹÏß²Ä˳Àû²øÈÆÓÚÊÕÏßÅ̲¢ÅÅÁÐÕûÆë
30
(0/931)
se Ven
2024-12-04
2024-12-04 11:56:25
by
se Ven
[
É豸²Ù×÷
]
¹¤ÒÕÉæ¼°·ÐÌÚÑÎËᣬÇëÎÊ´óϺÃÇ£¬ÓÃʲô²ÄÖʵÄÀäÄýÆ÷ºÏÊÊ£¿
(15/3096)
ö«ÔÂ1231
2024-09-13
2024-12-03 14:05:54
by
Be_Happy
[
É豸²Ù×÷
]
¿ª·¢ºÍÉè¼ÆÈÛÈڽᾧ¹¤ÒÕ¼¼Êõ
(0/1380)
cqmh2022
2024-11-21
2024-11-21 11:55:28
by
cqmh2022
[
¾²É豸
]
ÏëÌÔÒ»Ì×¶þÊֵĵ缫ÇÐÆ¬»úºÍµç³Ø·â×°»ú
15
(3/1513)
ѧ²»ÁËÒ»µã
2024-11-19
2024-11-20 10:10:59
by
ÄÆÃ´Ã¾ï®
[
¶¯É豸
]
¸ßѹºãÁ÷±Ã£º¾«×¼Á÷ÌåÊäË͵Ä׿Խ֮ѡ¡·
(0/1510)
²¼ÈðÀû˹hz
2024-11-18
2024-11-18 13:45:39
by
²¼ÈðÀû˹hz
[
¹¤ÒµÂ¯
]
¹¤ÒµÎ¢²¨Â¯ÄļҵIJúÆ·Óùý¸Ð¾õ¿ÉÒÔ°¡£¬¸øÍƼöÏ¡£
3
(7/1231)
Arui.Y
2024-10-23
2024-10-27 09:32:41
by
psylhh
[
¾²É豸
]
¹ØÓÚÂÈÀë×ÓÔÚPTFEÖеÄÉøÍ¸ËÙÂÊ
(28/4221)
999ؼStar
2024-10-23
2024-10-24 08:02:56
by
ÍõÏþ²¨985
[
É豸²Ù×÷
]
ÈçºÎ¼ÆËãCAP 1000/2000¾«¶È£¿
(0/1436)
ÉϺ£Î¢´¨ÒÇÆ÷
2024-10-21
2024-10-21 13:33:35
by
ÉϺ£Î¢´¨ÒÇÆ÷
[
É豸²Ù×÷
]
ÓÐ×ö»¯¹¤ÔÁϰü¹ü£¬±íÃæ´¦ÀíµÄ´ú¼Ó¹¤µÄÂð£¿
(5/3616)
18¼¶·ÛË¿
2024-10-17
2024-10-17 08:52:25
by
li340612468
[
»¯¹¤²ÄÁÏ
]
ÇóÖú´×ËáÒÒÏ©õ¥·´Ó¦Æ÷Éè¼Æ£¬ÌرðÊÇÏêϸµÄ¶¯Á¦Ñ§ÄÚÈÝ¡£
100
(0/1256)
pyymayday
2024-10-12
2024-10-12 10:12:00
by
pyymayday
[
¶¯É豸
]
Çó¹ºÐ¡ÐÍ·ÛÌåÒºÌå½Á°èÉ豸
(8/4448)
18¼¶·ÛË¿
2024-09-16
2024-10-09 17:09:20
by
lucky_lj
[
É豸²Ù×÷
]
HPLCÉ«Æ×Öù
5
(2/1588)
ͨȪmjtok
2024-09-28
2024-10-09 17:07:20
by
lucky_lj
[
É豸²Ù×÷
]
ѰÇó¶þÊÖÊÖÌ×Ïä
20
(5/2333)
rdl123
2024-09-20
2024-10-09 17:05:42
by
lucky_lj
[
¶¯É豸
]
ÔõÑù°ÑÕâÁ½ÖÖ²ÄÁÏ»ìºÏ½Á°è¾ùÔÈ¡£
10
(3/1704)
18¼¶·ÛË¿
2024-10-01
2024-10-08 08:15:13
by
zulia88
[
É豸²Ù×÷
]
´Å¿Ø½¦ÉäÒÇ
50
(1/1312)
ÌΡ¡
2024-08-28
2024-10-03 22:23:47
by
sd7019402
[
¾²É豸
]
Öòʽ¹ýÂËÆ÷Ëã²»ËãѹÁ¦ÈÝÆ÷
20
(3/4118)
tutouds
2023-04-17
2024-10-02 11:03:32
by
ºÀ·Å±¦Ê¯À¶
[
¶¯É豸
]
ÓÐûÓÐСÐ͵ķÛÌå½Á°èÔìÁ£Ò»Ìå»ú£¿
(6/2716)
18¼¶·ÛË¿
2024-09-28
2024-09-30 09:15:54
by
С³æÃ«ÌÎÌÎ
[
µ¥Ôª²Ù×÷
]
ÆøÒº´«ÖÊÌîÁÏÓëÒºÒº·ÖÀë¾Û½áÌîÁϵÄÇø±ð
(
1
2
)
42
(10/2221)
²éÀÍ¼Ë¹ÌØÀ
2024-09-24
2024-09-25 09:27:25
by
²éÀÍ¼Ë¹ÌØÀ
[
×ÛºÏÆäËü
]
·´Ó¦¸ªÎ¬ÐÞ
5
(4/3947)
»Íâvelvet
2024-09-20
2024-09-24 15:00:39
by
ÉϺ£Áã·¡ÈþÒÇÆ÷É
[
×ÛºÏÆäËü
]
ÄþÏÄÒ»»¯¹¤³µ¼ä·¢Éú±¬Õ¨£¬Ê§Áª5ÈËÈ«²¿ÓöÄÑ
(3/1477)
yexuqing
2024-08-20
2024-09-13 14:01:36
by
ö«ÔÂ1231
[
É豸²Ù×÷
]
¼¼Êõ×Éѯ
(2/1918)
СÃàÑò123456
2024-05-28
2024-09-10 15:19:09
by
Rebecc.
[
É豸²Ù×÷
]
Çë½ÌÓÐËÓùýÇâ¼×õ£»¯µÄÉ豸
12
(8/2018)
260924956
2023-07-19
2024-09-10 14:01:57
by
NGJ889KWWC;
×ÊÔ´
[
²é¿´È«²¿
]
×÷Õß
×îºó·¢±í
[
¶¯É豸
]
±ÃµÄÀíÂÛÓëÉè¼Æ---------PDFµç×ÓÊéÏÂÔØ
(
1
2
3
4
5
6
..
7
)
(302/16253)
zhxixik
2011-06-28
2025-03-27 12:02:44
by
happyeveyday
[
µ¥Ôª²Ù×÷
]
Ó¢Îİæ×îаæ½Ì²Ä--·´Ó¦¹¤³Ì
(48/3370)
СÎÄs21
2014-03-10
2025-03-25 16:06:34
by
ÔÆºÍ·çÇå
[
µ¥Ôª²Ù×÷
]
³Â¸ÊÌÄ »¯Ñ§·´Ó¦¹¤³Ì¿Î¼þ1-3ÕÂ
(24/2038)
lushuimu
2013-11-07
2025-03-25 12:34:24
by
ÔÆºÍ·çÇå
[
»¯¹¤Èí¼þ
]
°²È«·§Ñ¡ÐÍÈí¼þV3.4°²×°ÅÌ£¡
(26/2707)
hunhun3887
2014-04-30
2025-02-25 09:39:59
by
diegoma
[
×ÊÔ´·ÖÏí
]
ÖÆÒ©¹¤³Ìѧ£¨µÚ¶þ°æ£©£¨³¬Çå°æ¸ß½Ì²Ä£©--ÍõÖ¾Ïé
(
1
2
)
(67/6667)
wawsw666
2015-11-12
2025-02-22 08:13:01
by
magy
[
¶¯É豸
]
¾«»ª
I
:
ÖÐɽ´óÑ§ÖÆ×÷µÄ»¯¹¤É豸ÔÀí¶¯Ì¬Í¼
(
1
2
3
4
5
6
..
7
)
(304/16449)
wofmann
2014-07-31
2025-02-15 13:13:01
by
tonsonluo
[
É豸²Ù×÷
]
»úÐÞÊÖ²á(µÚÈý°æ)
(
1
2
)
(71/5835)
armea
2012-10-16
2025-02-13 06:05:26
by
×ß¹ýº®¶¬
[
×ÊÔ´·ÖÏí
]
NBT 47008¡«47010-2017
(10/1803)
xichangzjw
2017-08-02
2025-02-13 06:03:01
by
×ß¹ýº®¶¬
[
×ÊÔ´·ÖÏí
]
HG20203-2000»¯¹¤»úÆ÷°²×°¹¤³ÌÊ©¹¤¼°ÑéÊÕͨÓù淶
(
1
2
)
(57/4520)
canko75591
2011-10-12
2025-02-09 06:45:19
by
xinhezzh
[
×ÊÔ´·ÖÏí
]
Õã´óµÄ ¹¤³Ì»¯Ñ§ »ù´¡ ¿Î¼þ
(
1
2
)
(57/4024)
ÏÄÖÁ-δÖÁ
2012-11-14
2025-01-28 10:07:13
by
ÍÁɽ¼¦
[
É豸²Ù×÷
]
»¯¹¤Éè¼ÆÊµÓÃÈí¼þ£¨Ñ¹Ëõ°üÖаüº¬ÈçÏÂÄÚÈÝ£©
(
1
2
)
(56/5438)
The-last
2014-03-14
2025-01-07 08:22:34
by
hulipeng2002
[
×ÛºÏÆäËü
]
¾«»ª
III
:
»¯Ñ§¹¤³Ìʦ¼¼ÊõÈ«Êé
(
1
2
3
4
5
6
..
15
)
(720/24181)
»¶ÀÖµÄСϪ
2012-12-05
2025-01-07 08:12:41
by
hulipeng2002
[
¾²É豸
]
GB151-2014¡¶ÈȽ»»»Æ÷¡·Õýʽ°æ
(
1
2
3
)
(134/9929)
ºúÕþ
2015-05-05
2024-12-23 14:44:12
by
wshjyzy
[
»¯¹¤Èí¼þ
]
¸ÖÖÆÑ¹Á¦ÈÝÆ÷¼ÆËã³ÌÐò
(
1
2
)
(75/4497)
liaohua1693
2013-01-14
2024-12-23 06:41:56
by
»Æè÷ÈÊ
[
×ÊÔ´·ÖÏí
]
ѹÁ¦ÈÝÆ÷Éè¼Æ¸÷Àà±ê×¼
(45/4707)
ѪɫÐÐÕß
2014-06-25
2024-12-23 06:23:31
by
»Æè÷ÈÊ
[
¶¯É豸
]
Á÷Ìå»úеÔÀí£¨ÉÏϲᣩÕÅ¿ËΣÖ÷±à
(
1
2
)
(99/10040)
½Äϱ÷§
2013-06-17
2024-12-14 07:54:40
by
muture
[
¾²É豸
]
HTRI Design Manual »»ÈÈÆ÷Éè¼ÆµÄȨÍþ
(
1
2
3
)
(133/12574)
15141312361
2016-03-15
2024-12-12 13:53:56
by
³³³³µÄ³¬³¬
[
×ÊÔ´·ÖÏí
]
ÖÐʯ»¯ÂåÑôÉè¼ÆÔº¹æ·¶Îļþ
(
1
2
)
(75/8714)
Sam_lpec
2013-06-03
2024-12-11 14:07:07
by
445718620
[
¹ÜµÀÓë·§
]
¾«»ª
III
:
¹ÜµÀÉè¼ÆÓ÷§ÃŹܼþͼ¿â(CAD×ÊÁÏ£©
(
1
2
3
4
5
6
..
9
)
(406/16174)
hekai_hekai
2012-01-02
2024-12-08 13:56:45
by
xiaojundiy
[
»¯¹¤Èí¼þ
]
¾«»ª
II
:
¸÷ÖÖ·§ÃÅ¡¢·¨À¼CADͼ¿é Õ䲨°æ
(
1
2
3
4
5
6
..
8
)
(363/37546)
zhxixik
2011-05-23
2024-12-08 13:54:25
by
xiaojundiy
[
»¯¹¤Èí¼þ
]
»¯¹¤É豸¼ÆËãС³ÌÐò
(
1
2
)
(54/4347)
hunhun3887
2014-04-30
2024-12-07 16:04:18
by
hchg
[
¾²É豸
]
ʯÓÍ»¯¹¤É豸Éè¼ÆÑ¡ÓÃÊÖ²á»ú±ÃÑ¡ÓÃ
(19/3302)
li1023591626
2018-12-03
2024-12-04 09:57:18
by
qq85875880
[
¾²É豸
]
°åʽ¾«ÁóËþÉè¼Æ×ÊÁÏ´óÈ«
(27/4241)
Mrczl
2014-09-09
2024-11-22 07:52:17
by
dsl1986596
[
×ÊÔ´·ÖÏí
]
¹Ü¿Çʽ»»ÈÈÆ÷Éè¼ÆÑ¡ÐͺÍÀäÄýÆ÷Éè¼Æ
(
1
2
)
(52/4050)
³Ì½Ü
2015-04-29
2024-11-15 08:31:23
by
dsl1986596
[
×ÊÔ´·ÖÏí
]
ÓÈÀû¸ñ¸¯Ê´ÊÖ²á ÔÖøµÚ2°æ£¨ÖÐÎİ棩¼°Ó¢ÎĵÚ2°æ
(
1
2
3
)
(122/8158)
sh94
2014-11-02
2024-11-14 09:42:23
by
wl159648
[
É豸²Ù×÷
]
¡¶¸´ºÏ²ÄÁϹ¤ÒÕÓëÉ豸¡·
(
1
2
)
(63/2675)
³µÓÐÔì
2011-11-27
2024-11-07 20:16:39
by
liuzhixiong
[
É豸²Ù×÷
]
Òº-ÒºÝÍÈ¡¹ý³ÌºÍÉ豸£¨Éϲᣩ ÀîÒÔ¹ç Ö÷±à / 1981 / 480Ò³
(
1
2
)
(58/3944)
Ö¾×Ó
2013-06-15
2024-11-04 20:49:06
by
Ê·¶«ÁÖ
[
×ÊÔ´·ÖÏí
]
ʯÓÍ»¯¹¤É豸°²×°Ê©¹¤ÊÖ²á
(27/2647)
hunhun3887
2014-04-17
2024-11-03 19:25:53
by
Solomanghost
[
×ÊÔ´·ÖÏí
]
·ÖÏí¹ÜÀí·½ÃæµÄÊé¡¶»¯¹¤ÆóÒµÉ豸¹ÜÀí¡·¡¡
(
1
2
)
(63/4100)
¸Ö°åÄÐÈË
2014-06-11
2024-10-18 11:39:25
by
СÑùÔô×§
[
¹¤ÒµÂ¯
]
¹¤ÒµÂ¯Éè¼Æ»ù´¡
(
1
2
)
(90/4367)
ÎÂܰԲÃÎ
2012-01-06
2024-10-18 11:35:59
by
СÑùÔô×§
[
×ÊÔ´·ÖÏí
]
ʯÓÍ»¯¹¤Éè¼ÆÊÖ²áµÚ4¾í
(46/3185)
790566850
2015-02-04
2024-10-18 11:31:52
by
СÑùÔô×§
[
×ÊÔ´·ÖÏí
]
¸ÉÔïÉ豸Éè¼ÆÊֲᣨȫÊ飩
(
1
2
)
(98/9067)
dxq0227
2015-11-06
2024-10-18 11:30:09
by
СÑùÔô×§
[
×ÊÔ´·ÖÏí
]
¹¤ÒµÉ豸¼°¹ÜµÀ·À¸¯Ê´¹¤³ÌÊ©¹¤ÖÊÁ¿ÑéÊչ淶 GB50727-2011
(
1
2
)
(80/7800)
lisz
2012-12-13
2024-10-18 11:20:31
by
СÑùÔô×§
[
¾²É豸
]
¸ÉÔïÉ豸Éè¼ÆÑ¡ÐÍÓëÓ¦ÓÃʵÓÃÊÖ²á
(
1
2
3
)
(143/7993)
cgb200202244
2014-02-18
2024-10-18 11:19:26
by
СÑùÔô×§
[
¶¯É豸
]
±ÃάÐÞÊÖ²á
(
1
2
3
)
(111/6560)
½Äϱ÷§
2014-03-28
2024-10-18 11:17:13
by
СÑùÔô×§
[
¾²É豸
]
ºÜ²»´íµÄ¡¶»¯Ñ§·´Ó¦Æ÷Éè¼ÆÔÀí¡· ¿Î¼þ
(
1
2
3
)
(140/6132)
Gilbertcao
2014-04-09
2024-10-16 12:05:07
by
edwin2006
[
¶¯É豸
]
[ר¼Ò]
̲£Á§·´Ó¦¸ª²ÎÊý´óÈ«¡¾×ÊÁÏ·ÖÏí¡¿
(28/4393)
ìã·ç_luan
2020-04-23
2024-09-26 11:32:20
by
MenD
[
×ÊÔ´·ÖÏí
]
ÈȽ»Æ÷Éè¼ÆÊÖ²á
(
1
2
)
(50/3838)
weiling1991
2013-06-30
2024-09-25 08:28:09
by
·çÁ÷ÅÝÃæ
[
¹ÜµÀÓë·§
]
¾«»ª
II
:
¹ÜµÀ²¼ÖÃͼѧϰÊÖ²á.pdf
(
1
2
3
4
5
6
)
(299/9808)
xulili
2012-04-14
2024-09-15 18:21:56
by
·çÁ÷ÅÝÃæ
[
×ÊÔ´·ÖÏí
]
»¯¹¤¹¤ÒÕÉè¼ÆÊÖ²á
(
1
2
)
(73/4677)
33090821
2012-10-01
2024-09-15 18:17:52
by
·çÁ÷ÅÝÃæ
[
»¯¹¤Èí¼þ
]
·ÖÏíÒ»¸ö·´Ó¦¸ªCADͼֽºÏ¼¯
(
1
2
3
4
5
6
)
(251/18441)
haifore
2016-10-21
2024-09-13 11:16:45
by
ö«ÔÂ1231
[
»¯¹¤Èí¼þ
]
CEDA(Chemical Equipment Design Assistant,ÖÐÎÄÃû£º»¯¹¤É豸Éè¼ÆÖúÊÖ)
(
1
2
)
(57/5628)
liaohua1693
2013-01-28
2024-09-13 11:09:49
by
ö«ÔÂ1231
[
×ÊÔ´·ÖÏí
]
É豸°²×°¹¤³ÌÁ¿¼ÆËãÊÖ²á
(
1
2
)
(74/3880)
½Äϱ÷§
2014-04-07
2024-09-10 20:31:28
by
Ê·¶«ÁÖ
11291
4/113
Ê×Ò³
ÉÏÒ»Ò³
2
3
4
5
6
7
ÏÂÒ»Ò³
Ïà¹Ø°æ¿éÌø×ª
Óлú½»Á÷
Óлú×ÊÔ´
¸ß·Ö×Ó
ÎÞ»ú/Îﻯ
·ÖÎö
´ß»¯
¹¤ÒÕ¼¼Êõ
»¯¹¤É豸
ʯÓÍ»¯¹¤
¾«Ï¸»¯¹¤
µç»¯Ñ§
»·¾³
SciFinder/Reaxys
²é¿´
×îºó·¢±í
·¢Ìùʱ¼ä
°´½µÐòÅÅÁÐ
°´ÉýÐòÅÅÁÐ