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yaya4910

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[½»Á÷] ¡¾ÇóÖú¡¿¸ß·Ö×ÓÖÐMAS-NMRÊÇÖ¸¹Ì̬ºË´Å°É£¿

ÓÐÒ»¸öÅóÓÑÊÇѧ¸ß·Ö×ӵģ¬Ã÷Ìì¾ÍÒª²âÑùÁË£¬ÒòΪÊdzõѧÕߣ¬ËùÒÔ²»ÊǺÜÁ˽âÕâÊǹÌ̬»¹ÊÇҺ̬µÄºË´Å¡£ËäÈ»¿´µ½ÍøÉÏÒ»Öª°ë½âµÄ½²½â£¬µ«ÊÇÒòΪҪ»¨ÀϰåµÄÇ®£¬ËùÒÔ°ÝÍдó¼Ò½²Ò»ÏÂÀ²
MAS-NMR Spectroscopy: The spectra were obtained at 298 K using
a Bruker Avance II 600 spectrometer, with a SB Bruker 4mm MAS
double-tuned probe operating at 600.33MHz for 1H and 119.26MHz
for29Si and a SB Bruker 3.2mm MAS triple-tuned probe operating
at 600.33MHz for1H and 150.97MHz for13C. Chemical shifts are
referenced to tetramethylsilane (TMS) using glycine and 4,4-dimethyl-4-
silapentane-1-sulfonic acid (DSS) as an intermediate standard for13C and
29Si NMR respectively.

[ Last edited by yaya4910 on 2010-10-12 at 23:18 ]
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beyond585

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yaya4910(½ð±Ò+1):лл²ÎÓë
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Originally posted by nmrservice at 2010-10-13 12:32:23:
´ÓÕâ¶ÎÓ¢ÎÄÀ´¿´£¬Õâ¸öʵÑé²»ÊÇÔÚרÓõĿíÇ»¹ÌÌåºË´Å¹²ÕñÆ×ÒÇÉÏ×öµÄ£¬¶øÊÇÔÚÒ»¸ö±ê׼ǻµÄÒºÌåºË´Å¹²ÕñÆ×ÒÇÅ䱸µÄ¹ÌÌå̽ͷÉÏ×öµÄ£¬Ò»°ã¶øÑÔÔÚרÓõĿíÇ»¹ÌÌåÆ×ÒÇÉÏ×ö³öÀ´µÄЧ¹û£¬ÎÞÂÛÊÇ·Ö±æÂÊ»¹ÊÇÐÅÔë±È¶¼ÒªºÃµÃ¶à£¬ ...

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7Â¥2010-10-14 05:48:13
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wanleon

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yaya4910(½ð±Ò+1):лл²ÎÓë
¶«²ýÝ·(½ð±Ò+2):»¶Ó­ 2010-10-14 08:12:45
MAS= magic angle spin  Ä§½ÇÐýת
Ò»°ãÓÃÔÚ¹ÌÌåNMR  Ö÷ÒªÓÃÓÚÈ¥³ýż¼«-ż¼«Ï໥×÷ÓÃ
TMS ºÍ DSS ¶¼ÊDZêÑù£¬ÓÃÓÚ»¯Ñ§Î»Òƶ¨±ê
2Â¥2010-10-13 07:06:31
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

tlmowen09

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yaya4910(½ð±Ò+1):лл²ÎÓë
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solid state NMR
3Â¥2010-10-13 07:48:26
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