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  1. Announcement:
    Quy Định Chung (General Information)
    Viking (♥aoi usagi♥)
    08-15-2008
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Threads 1 to 6 of 6

Forum: Discussion

Khu vực thảo luận cho tất cả các chuyên ngành

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  1. Theory

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    Thảo luận các vấn đề trong lư thuyết hóa học

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    • Threads: 42
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  2. Experiment

    Thảo luận các vấn đề trong thực nghiệm

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    • Threads: 1
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  1. Question [Help] N linked to heterocycle: planar or tetravalent? (--> CSD?)

    Dear all, I wonder if a ("sp3") nitrogen linked to an aromatic heterocycle is planar or tetravalent. The lone pair may be delocalised on the...

    Started by p2a, 08-27-2010 05:18 PM
    2 Attachment(s)
    • Replies: 2
    • Views: 92
    p2a
    08-30-2010 09:45 PM Go to last post

  2. Talking [Help]- Translate from Russian to English

    Dear all Russian friend, please help me to check this procedure: Here is original Russian: в реактор загружалось 250 мл 2%-ной серной кислоты,...

    Started by vanchungus, 10-19-2009 04:28 PM
    • Replies: 1
    • Views: 298
    azoles
    10-19-2009 05:49 PM Go to last post

  3. translate from chinese

    取化合物II (0.50mol),盐酸羟胺（1.5mol)，硫酸钠500g与水1650ml的溶 液，1N盐酸250ml搅拌，加热至95°C， 30分钟内加入水合氯醛（0.65mol)与水 220ml的溶液，加毕后搅拌反应3小时，稍放冷后，加入活性炭5~10g,再加热...

    Started by Schrodinger, 08-15-2009 04:14 PM
    • Replies: 5
    • Views: 4,352
    wwwaaa
    10-15-2009 04:49 AM Go to last post

  4. Translate from Germany to English - Help!!!

    Dear all, please help me to translate these sentence from Germany to English. Thank you so much. Stilben-o, 0'-disulfosaure (Formel XIII). Die...

    Started by vanchungus, 07-14-2009 08:22 PM
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    • Replies: 1
    • Views: 365
    urotensin
    07-14-2009 11:03 PM Go to last post

  5. Need to find some Russian books.Help me!!!

    Now, I need to read some Russian books but I can not read the Russian. I have heard that there are some sites which consist Russian books, but...

    Started by tuan.huu2007, 05-19-2009 03:14 PM
    • Replies: 3
    • Views: 478
    ambivalentno
    06-13-2009 03:54 AM Go to last post

  6. Cần t́m trang sách khoa học tiếng Nga

    Hiện ḿnh cần đọc 1 số sách tiếng Nga nhưng lại không biết đọc tiếng Nga /:). Ḿnh có nghe thầy ḿnh nói là có trang web có sách tiếng Nga nhưng được...

    Started by tuan.huu2007, 05-16-2009 05:49 PM
    • Replies: 4
    • Views: 620
    tuan.huu2007
    05-30-2009 10:16 AM Go to last post
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