FORTY-FIVEMINUTE TEST A Mark 001 ppt
Báo cáo hóa học: " Temperature-Dependent Site Control of InAs/GaAs (001) Quantum Dots Using a Scanning Tunneling " pptx
... image. After a thermal drift reducing, using the STM tip, we applied voltage ‘from a reverse bias to a forward bias’. The time of applying voltage was 0.052 s, and a voltage value was increased ... were carried out with the STMBE system. We used a GaAs (001) just substrate. All samples were prepared at same procedure: after removing oxides at 580°C, about 170 nm of a GaAs buffer l...
Ngày tải lên: 21/06/2014, 08:20
Giáo án Anh 12 Unit 3, Test A (chẩn)
... make a dialoge based on the Task 1,2 , 3. A : You really have a nice pair of glaases I think they make you attractive. B: Thank you,Nam. That s a nice’ compliment. A : I think you have a ... sentences. 2, Thuan said he worked for a big company. 3,Thuan said he was their marketing manager. 4, Thuan sais the company had opened an office in Ho Chi Minh city. 5,Thuan...
Ngày tải lên: 26/06/2013, 01:25
GRAMMAR TEST A UNIT 1+2
... recently? A. Has / heard B. Did / heard C. Have / heard D. Have / hear 5. Everything is going well. We ______ any problems so far. A. haven’t had B. hasn’t had C. haven’t D. hasn’t 6. I am tired. ... ______ anything since 8 am. A. hasn’t eaten B. haven’t eaten C. haven’t eated D. don’t eat 16. When did you buy this car? ______. A. since ten years B. ten years ago C. for ten years D. in te...
Ngày tải lên: 24/10/2013, 15:31