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#1 11-06-2018 08:07:05

Date d'inscription: 07-12-2017
Messages: 1202

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by Sylvia B. Zarate

MEDELLIN, Colombia, June 14 (Xinhua) -- Colombian researchers have designed a solar-powered ice machine that can help remote and off-the-grid communities store food and medicine.

A team at the National University of Colombia developed the prototype 14 years ago, but secured a patent for the invention in February 2016.

Improvement was made on their original design, and the machine is embarking on the manufacturing phase.

The machine is capable of freezing up to 5 liters of water for refrigeration purposes using solar power and methanol.

Project director Farid Chejne Janna said the ice machine is for regions with very few people, where there is no electricity and probably no opportunity for development.

Northern Colombia's Isla Fuerte is one such region. The small island community of 2,500 inhabitants will be the first to benefit from the invention, which helps preserve the daily fishing catch for local consumption or sale.

"What we were initially after was to freeze water. By making ice we could conserve food and vaccines in areas that are not connected (to a grid)," said Janna.

It will also be used to cool enclosures similar to the effect of air conditioning in hot days, said the director.

The machine, made of solar panels and as many as 20 2-meter-long tubes, stands four meters high and two meters wide. The team is working to make it more compact and striving to find more economic materials to make it more affordable.

The team said it needs more financial support for further innovation. "Innovating in the use of materials can raise costs, but mass producing will lower costs," said researcher Carlos Andres Gomez.

In the meantime, the team said it is also working on a machine that can produce electricity from the gasification of rice hulls, sugarcane chaff or even coffee waste, material that can be found in abundance in remote rural regions.

Using 24 solar panels and biomass, it could generate 35 kilowatt of energy, enough to power some 25 homes, said team member and chemical engineer Robert Macias.

"The idea is to make it versatile so that it works in isolated communities. That's why it's based mostly on biomass, though it can also work with carbon," said Macias.

" Russian police investigators stand near the body of Russian opposition leader Boris Nemtsov under armour speedform apollo twist suomi , covered with plastic, on Bolshoi Moskvoretsky bridge near St. Basil cathedral in central Moscow, February 28, 2015 (AFP PhotoDmitry Serebryakov)

Moscow - Russian opposition leader Boris Nemtsov under armour speedform apollo vent suomi , a fierce critic of President Vladmir Putin, was shot dead in central Moscow late Friday ahead of a major opposition rally this weekend, investigators and police said.

""In central Moscow, a man with documents in the name of Boris Yefimovich Nemtsov was killed under armour clutchfit drive 2 suomi ,"" an interior ministry spokesman told AFP early Saturday, declining to give further details.

Russia's Investigative Committee confirmed the death, saying it had opened a criminal probe.

""According to preliminary information, an unidentified person shot at Boris Nemtsov no fewer than 7-8 times from a car as he was walking along the Bolshoi Moskvoretsky bridge under armour speedform gemini suomi ,"" investigators said in a statement.

The committee, which reports directly to Putin, said that ""experienced"" investigators had been put on the case.

Nemtsov launched his political career as the governor of Nizhny Novgorod region in central Russia and became a vice prime minister in the late 1990s under the presidency of Boris Yeltsin.

After leaving parliament in 2003, he helped establish and led several opposition parties and groups.

Nemtov's murder comes ahead of a major opposition rally scheduled to take place on March 1.

The murder ""bears the hallmarks of a contract killing under armour scorpio suomi ,"" Putin spokesman Dmitry Peskov said.

Another interior ministry spokesperson, Yelena Alekseyeva, told reporters at the scene that Nemtsov was walking with a woman when he was shot.

The woman, who is from Ukraine under armour phenom proto suomi , was now being questioned, she added.

Interior Minister Vladimir Kolokoltsev has taken charge of the criminal probe, she said.

Mikhail Kasyanov, a former prime minister turned opposition leader under armour curry 2.5 suomi , told reporters after viewing the scene: ""This is payback for the fact that Boris consistently for many, many years fought for Russia to be a free democratic country.""

" "

BEIJING, Feb. 15 (Xinhua) -- After a year of bitter rivalry, a merger between two Chinese major taxi hailing apps on Valentine's Day was the day's biggest surprise.

Didi Dache and Kuaidi Dache under armour curry 3 suomi , both start ups, announced that they would put their differences aside and explore the sector together.

Didi CEO Cheng Wei said the deal was the largest merger in China's internet history and the combined entity would find its way on to the list of the top 10 Chinese Internet-based companies.

The newly founded company, which is yet to announce its official name, has been valued at 6 billion U.S. dollars.


Industrial experts say that taxi-hailing apps will challenge established companies.

While passengers will reap the benefits of convenience and cheaper fares from the new merger under armour curry 2 suomi , established taxi giants will not be so fortunate.

One of the most lucrative businesses in China, taxis reap considerable profits each year from exclusive government deals, but offer little in return for the end users.

The sector was untouched by the economic downturn as passengers had no other alternative, and most cab drivers' operation licenses were linked to companies.

However under armour curry 1 suomi , after Kuaidi and Didi both launched ride-on-demand services last year, clients left traditional companies for better service and a more comfortable ride.

The apps generally provide two types of service: A taxi-hailing service, which is welcomed by cab drivers an. Cheap Hats   Cheap Jerseys   Cheap Jerseys From China   Cheap Authentic Jerseys   Cheap Jerseys China Wholesale   Cheap Replica Jerseys   Cheap Jerseys China Wholesale   Wholesale Nike NBA Jerseys   Wholesale MLB Jerseys   Wholesale MLB Jerseys

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