advanced organic synthesis, methods and techniques - r monson (1974) ww
advanced organic synthesis, methods and techniques - r. monson (1974) ww
... mixture for several hours. The ammonium chloride formed is filtered off, and the ether is removed from the filtrate on a rotary evaporator. This residue is recrystallized from petroleum ether. ... WITH CHROMIUM TRIOXIDE-PYRIDINE COMPLEX: GENERAL PROCEDURE R_ CH -R( H) R _ C _ R( H) OH O A 5 % solution of chromium trioxide-pyridine complex in dry methylene chlo...
Ngày tải lên: 04/06/2014, 15:24
chemical analysis modern instrumentation methods and techniques 2nd_ed
... detector. It is often reconstructed from values that are digitized and stored to a microcomputer for repro- duction in a suitable format for the printer. (a). For a long time the chromatogram was obtained ... 463 Problems 463 20 Voltammetric and coulometric methods 465 20.1 General principles 465 20.2 The dropping-mercury electrode 467 20.3 Direct current polarography (DCP) 467 20.4 Dif...
Ngày tải lên: 01/04/2014, 10:59
hematologic malignancies, methods and techniques
... first-round reactions from the refrigerator. Carefully, add l µL of first PCR product to the correct second-round tube. Second-round tubes must be on ice. 23. Place tubes in the thermacycler. 24. ... (self-made or Oncor or Vysis). 2.5. Instruments 1. Centrifuge 7. Slide warmer 2. Thermometers 8. Refrigerator, freezer 3. Timers 9. pH meter 4. Pipetman 10. Balance 5. Waterbaths 11. Forceps 6. ....
Ngày tải lên: 11/04/2014, 09:45
ngan, meier, chai - advanced video coding principles and techniques
... adopted here is similar to that described in Chapter 4. In order to handle video transmission in error-prone environment such as the mobile channels, MPEG-4 has incorporated error resilience ... Density Regularization 90 2.5.4 Stage Three- Luminance Regularization 92 2.5.5 Stage Four- Geometric Correction 93 2.5.6 Stage Five- Contour Extraction 94 2.5.7 Experimental Results 95 Referenc...
Ngày tải lên: 05/06/2014, 11:51
organic synthesis, the disconnection approach - stuart warren (1982) ww
Ngày tải lên: 04/06/2014, 15:32
advanced techniques in logic synthesis, optimizations and applications
... Hillsboro, OR, USA, sivaram.gopalakrishnan@synopsys.com Eckhard Grass Innovations for High Performance Microelectronics, Frankfurt (Oder), Brandenburg, Germany, grass@ihp-microelectronics.com Kanupriya ... Partial Boolean Difference 361 19.2.2 Total Boolean Difference 362 19.2.3 Signal and Error Probabilities 363 19.3 Proposed Error Propagation Model 364 19.3.1 Gate Error Model 364 19.3.2 E...
Ngày tải lên: 31/05/2014, 00:10