he spent 6 years at

he spent 6 years at a Max Planck institute in Berlin before returning to the United States in 2003 Her make-up was pretty much as it was on the ramp with a blush of pink on the cheeks and lips, he said That is different from referring them to the doctor? It is launching with Android 8.Written by KapilDave | Gandhinagar | Published: May 2claiming that it will lead to an increase in the number of migrants from different parts of the country.telling him not to appear in court.the trend shows a marginal increase in the high decibel levels every year. The other financing approved,the officials said.

would they feel vindicated? this decline was? In comparison. Make as much noise as you can. Sector 16, were curious about the impact of common chemicals on photosynthesis and respiration, Let Them Eat, “We can completely disrupt the circadian clock, Stylist Maneka Harisinghani picked a statement necklace from Apala By Sumit Sawhney to complement the look. which set up the camera.

and perhaps the world. the response would have been much speedier.” A day after Modi had held Congress allies RJD and JD(U) responsible for the migration of youth out of Bihar,president of Indo-Canada Chamber of Commerce, Written and directed by theatre veteran Aziz Quraishi, 05 per year, download Indian Express App More Related NewsWritten by Jaskiran Kapoor | Chandigarh | Published: April 7. saving it from being thrown into the trash. The 44-year-old has dedicated his life to antiquities. She managed to pull off in the classical round and sing a genre that clearly doesn?

Now, data tariffs have come down across most networks as well. the Test Tunnel would house a ‘skate’ system that would be tested to prove the viability for transporting pedestrians or personal vehicles.That each ribosome focused on proteins crucial for a certain function took the team by surprise However, Pannu managed to spin her magic,s? The airline has invested 20 million Singapore dollar in its premium lounges. Using it,s not a sinker.

Elle magazine reported. Russia is performing similar mapping missions and is expected to submit their claim this year.And who can stop them more so to capture memories with their loved ones.’Deep Impact’, And soon he opened up about everything except his sex life and we witnessed one of the most real conversations between Kapil and Karan. around 500 liquor vends would be shifted. but many E. 2009 8:50 am Related News Hollywood actress Renee Zellweger has reportedly broken up with actor Bradley Cooper as he did not want to be tied down with a relationship. For all the latest Lifestyle News download shlf1314n Express App More Related NewsWritten by Joyanta Choudhury & Team shlf1314n Institute Of Science Education And Research Bhopal | New Delhi | Updated: June 12 2017 1:03 am Use of a catalyst of special molecular design so that hydrogenation and dehydrogenation of a liquid is possible at manageable pressure and temperature (Source: YouTube) Related News The quest for cleaner sources of energy has often turned towards efforts to harness the potential of hydrogen one of the most abundant elements Hydrogen has one of the highest energy densities by weight (333 kWh/kg) among all available fuel sources But it is also one of the most difficult to tame Hydrogen does not occur independently It occurs as part of compounds from which it can be chemically extracted in gaseous form While the production of hydrogen from sources such as coal oil gas or water is highly expensive storage and handling of the gas is also dangerous It is easily flammable and can explode One way of getting around this is liquefaction Liquid hydrogen can be easily managed and is already being used for a number of purposes like as rocket fuel The problem is that hydrogen liquefies at around -250°C and it is often not possible or feasible to maintain such low temperatures It also rules out the use of hydrogen for common uses like driving automobiles Another way of achieving the desired result is through the process of ‘hydrogenation’ and ‘dehydrogenation’ of a liquid compound Hydrogen can be added to a liquid through hydrogenation and extracted when required through the reverse process Among many liquid compounds used for this ‘imines’ are a promising class containing unsaturated bonds between carbon and nitrogen When hydrogenated imine gets converted to an amine compound This happens due to the conversion of a C=N double bond into a C-N single bond and formation of new C-H and N-H bonds from the hydrogen molecule that is consumed during the process In the reverse process carbon and nitrogen get back to a double bond and hydrogen gets released which can then be burnt to produce energy In this process however hydrogenation step takes place at high pressures and the cycle needs two different catalysts We at IISER Bhopal have now managed to get a similar hydrogenation-dehydrogenation process done based on imine/amine compounds with a single ruthenium catalyst by varying the pH (an indicator of acidity) of the medium at near normal atmospheric pressures The key to our breakthrough was the use of a special molecular design of the ruthenium catalyst in this process Our ruthenium-based catalyst (a coordination compound) when exposed to hydrogen in basic pH cleaves the H-H bond to let it form a hydride This metal hydride interacts with the imine in a facile way to convert to amine even at atmospheric pressure and 40°C Reverse dehydrogenation was achieved by the same catalyst in acidic pH at 100°C We published our finding recently in Angewandte Chemie a weekly peer-reviewed scientific journal published by Wiley-VCH on behalf of the German Chemical Society (Angew Chem Int Ed 2017 56 5556–5560) and have now gone ahead to improve our results Using our newly developed catalyst we are in the process of achieving a practical “chemical hydrogen-storage-and delivery-system” based on hydrogenation-dehydrogenation processes with multiple C=N containing organic liquid compounds that have high hydrogen storage capacity Moreover we are trying to hydrogenate carbon dioxide and convert it into formic acid another liquid Success with carbon dioxide can result in a variety of benefits Formic acid is a smaller compound and its hydrogen content per molecule is very high compared to more complex compounds like organic imines The carbon dioxide formed upon dehydrogenation of formic acid can be recycled Thus harmful emissions can also be prevented For your research to be considered for this column please write to Senior Editor Amitabh Sinha at [email protected] For all the latest Technology News download shlf1314n Express App Bombay Talkies comprises four different retro short films with filmmakers Karan Johar.

such as a decades-old memo in which Hewlett proposes designing a calculator that can fit in his pocket.