更新:有3條mc,入黎做下

L.K.

......
用普通常識答...
有冇配過眼鏡?

frankie172002

原帖由 piyopiyo 於 28-4-2008 15:48 發表

無問題
glass ge透光能力的確比 perspex強,這是fact,不要問點解
perspex not easily scratched 都係fact, 唔好問點解

還是叫Zend 兄來直斥其非 好了[[tk_11]]

ok,姐係b la
仲有條07 mc幫拖解解.........thx
點解(3)都得??

Zend

原帖由 piyopiyo 於 28-4-2008 03:48 PM 發表

無問題
glass ge透光能力的確比 perspex強,這是fact,不要問點解
perspex not easily scratched 都係fact, 唔好問點解

還是叫Zend 兄來直斥其非 好了[[tk_11]]

perspex/PMMA has a low scratching resistance =.=
我本ce 同al 書都係這樣寫

Zend

原帖由 frankie172002 於 28-4-2008 03:53 PM 發表


ok,姐係b la
仲有條07 mc幫拖解解.........thx
點解(3)都得??
209834

3 唔識明顯係你的bio knowledge 問題
amino acid 可以form peptide bonds ,去整protein ...

L.K.

WHAT IS縮合聚合物....

piyopiyo

原帖由 Zend 於 28-4-2008 15:54 發表

perspex/PMMA has a low scratching resistance =.=
我本ce 同al 書都係這樣寫

http://en.wikipedia.org/wiki/Perspex

[[tk_02]]

piyopiyo

原帖由 Zend 於 28-4-2008 15:55 發表

3 唔識明顯係你的bio knowledge 問題
amino acid 可以form peptide bonds ,去整protein ...

又直斥其非[[tk_02]]

2 functional group [[tk_02]]

L.K.

原帖由 Zend 於 28/4/2008 15:55 發表

3 唔識明顯係你的bio knowledge 問題
amino acid 可以form peptide bonds ,去整protein ...

IT　ＩＳ直斥其非 ？？


（３）ＴＲＵＥ　ＩＳ　ＢＥＣＡＵＳＥ　會出水

frankie172002

原帖由 Zend 於 28-4-2008 15:55 發表

3 唔識明顯係你的bio knowledge 問題
amino acid 可以form peptide bonds ,去整protein ...

真係冇留意~_~
仲想問下
當碘在溫和受熱時蒸發。
呢句野係咪錯?

Zend

原帖由 piyopiyo 於 28-4-2008 03:58 PM 發表

http://en.wikipedia.org/wiki/Perspex

[[tk_02]]

PMMA is softer and more easily scratched than glass. Scratch-resistantcoatings (which may also have other functions) are often added to PMMAsheets.
[[tk_39]]