Chương 2 : Cacbonhiđrat ppt

...    2C 2 H 5 OH + 2CO 2 IV. ĐIỀU CHẾ VÀ ỨNG DỤNG 1. Điều chế (C 6 H 10 O 5 ) n + nH 2 O   0 0 40HCl nC 6 H 12 O 6 2. Ứng dụng SGK V. ĐỒNG PHÂN CỦA GLUCOZ : FRUCTOZƠ CH 2 OH-CHOH-CHOH-CHOH-C-CH 2 OH ... CH OH 2 1 2 4 5 6 OH OH HOCH OH 3 OH H H 2 HOCH 2 6 5 H 4 H H CH OH 2 OH OH OH 1 2 3 -Fructozơ -Fructozơ Tính chất tương tự Glucozơ. Glucozơ...

Ngày tải lên: 11/08/2014, 09:20

... tool or machine called a pump: I had to pump up the tyres on my bike before I could leave. * SIMILAR TO: blow up, inflate formal • OPPOSITE: let down, deflate formal :2 I pump I sth [i] I pump up!~ USUALLY ... TO: draw up :z I pull up a chair/stool etc I to get a chair and move it so that you can sit near someone or something: Pull up a chair - we can go through this report together. * SI...

Ngày tải lên: 09/12/2013, 17:15

... forgetting 27 8 her birthday so I tried to pour oil on troubled waters by offering to take them both outfor a meal. old old hat X if something is old hat, it is not new or modern any more • A 24 -hour ... now. have/keep one eye on sth/sb to givepart of your attention to onething or person while also giving your 28 2 attention to something or someone else • As he listened to the speaker he...

Ngày tải lên: 21/12/2013, 04:15

... strangely uncertain as to how to continue. of We were rather uncertain of the direc- tion it camefrom. 2 not known exactly • VERBS be, look I become I remain, seem • ADV. extremely, highly, very I increasingly I quite, rather, ... - over un- certainty over the safety of the drug • PHRASES an area of uncertainty One area of uncer- tainty remains: who will lead the team?a feeling of uncer- ta...

Ngày tải lên: 21/12/2013, 04:16

Ngày tải lên: 17/01/2014, 06:20