What is minor and major? Detailed answer

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What is minor and major? Detailed answer

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What is minor and major?

These are the two main types of musical tonality. If you do not go into theory, then we can say that works written in major are distinguished by a bright, optimistic sound, and in minor - sad or thoughtful.

Author: Mendeleev V.A.

Random interesting fact from the Great Encyclopedia:

Where did grapefruits originate?

Grapefruit appears on many tables every morning for breakfast as a favorite dish. And you should know everything about the fruit that has become so common. But the origin of the grapefruit is shrouded in mystery! There is a fruit called pompelmus (pumelo), or paradise apple, which is much smaller than a grapefruit. Some scientists believe that the grapefruit originated from pompelmus as a result of a mutation. This is called deviation from the pattern.

Back in 1814, a scientist discovered a variety of pumelo, which he described and called "grapefruit" based on the similarity in smell to grapes. But even now, no one can say for sure where the grapefruit appeared, but the most likely assumption is that it appeared in Jamaica. Grapefruit trees reach the same size as orange trees and can grow up to 46 meters in height. The fruit itself is twice the size of an orange. In the process of cultivation, grapefruits have acquired new qualities. So, the flesh of some of them turned pink or reddish instead of light yellow.

There are currently 23 light yellow-fleshed and 4 pink or reddish-fleshed species native to the United States. In the West Indies, grapefruit was recognized as a fruit long before it began to grow on the mainland. Almost 80 years ago, the grapefruit culture began to be cultivated in Florida. It is currently grown in many US states and other countries.

Grapefruit grows best in sandy but fertile lands. It takes 4 to 6 years for a planted tree to bear fruit. But, having begun to bear fruit, it gives a significant harvest - from 590 to 680 kilograms per tree! People eat grapefruit all year round, but it is only usable from the moment it ripens until early spring. Therefore, it is very important to establish canning grapefruit.

Most often we meet grapefruit, canned in the form of pieces, or juice from it. Grapefruit is very beneficial for health. It is richer in vitamin C than many of the fruits and vegetables we eat. Only lemon and orange contain more vitamin C than grapefruit.

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Smart gas meter 24.03.2018

The RSE series smart gas meter with 3GPP Narrowband IoT technology developed by Pietro Fiorentini in partnership with Huawei and Terranova Software has been approved for use in the European Union.

It is the first Narrowband IoT smart gas meter on the market to be approved under the EU Radio Emission Directive, the Measuring Instrument Directive and the Installation and Operation Directive. in a potentially explosive environment (Installations in Explosive atmosphere).

Huawei's NB-IoT Open Labs (NB-IoT Open Labs) became the pre-integration environment where Pietro Fiorentini tested and explored the potential of NB-IoT and integrated the end-to-end solution prior to trial and commercial. operation.

As part of the project, Terranova Software developed data acquisition and measurement data management systems and a network management program to ensure seamless interaction and full integration of the solution.

Pietro Fiorentini has already carried out successful practical tests of smart gas meters based on narrowband Internet of Things technology in Italy, Spain, China, Portugal, Iran, Sweden, Ireland, Lithuania, Estonia and Poland. Utilities can now manage their networks more efficiently, building a smarter and more responsible consumption model.

"We are proud to be the first company to receive the full set of approvals required to bring to market smart gas meters based on narrowband Internet of Things technology. We are now ready to begin mass production at our factories located in Italy and China" , said Cristiano Nardi, Executive Chairman of Pietro Fiorentini.

"Huawei is helping carriers around the world prepare for the commercial deployment of narrowband IoT technology," said Jiang Wangcheng, president of Huawei's IoT Solutions business. "Narrowband IoT is strategically important for many industries, including utilities. The fact that our Huawei IoT Open Labs help new partners become part of the ecosystem fully demonstrates our commitment to this idea.The countries of the European Union have committed to bring almost 45 million smart gas meters to the market.This means that about 45% of European consumers will use them by 2020."

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