BTC synthesis
"Gold and silver are not money naturally, but money is gold and silver naturally." this is a sentence Marx said about money
How to understand? In fact, it is very simple that money is the inevitable proct of the development of human life. In the earliest stage, gold and silver were only used as a kind of metal or a kind of ordinary commodity to exchange things. However, with the development of society, people find that gold and silver are easy to separate, easy to preserve, easy to carry and other advantages, so the suitability of gold and silver as currency is reflected, and naturally evolved into currencyWhat about bitcoin
1. BTC: chemical vocabulary
BTC is the abbreviation of (Trichloromethyl) carbonate. It is the abbreviation of a chemical substance, mainly composed of carbon, chlorine and oxygen. The chemical formula is c3cl6o3, which can be used as the substitute proct of highly toxic phosgene and diphosgene in the synthesis
BTC: enterprise abbreviationBTC refers to BTC Yingqun enterprise from Taiwan, China, which is a large-scale high-tech enterprise developing and procing keyboard, mouse and recorder. BTC is famous for procing high-quality computer peripherals. BTC is the OEM keyboard and add-on card proced by famous brand EMPREX, ranking first in Taiwan, especially the third in the world
BTC: the concept of bitcoin was first proposed by Nakamoto on November 1, 2008, and was formally born on January 3, 2009. According to the idea of Nakamoto, the open source software is designed and released, and the P2P network on it is constructed. Bitcoin is a virtual encrypted digital currency in the form of P2P. Point to point transmission means a decentralized payment system BTC: engineering materialBTC (buttress thread coupling), full name of partial trapezoidal thread coupling, is an API standard thread connection type, which is commonly used in the connection of petrochemical pipes or tools, such as floating collar, guide shoe and pipe shoe used in cementing operation
5, BTC: e-commerce mode
BTC (business to customer) e-commerce is one of the categories of e-commerce by trading partners, that is, e-commerce of commercial institutions to consumers. This form of e-commerce is generally based on the network retail instry, mainly with the help of the Internet to carry out online sales activities. BTC is also known as B2C, B2C mode is the earliest e-commerce mode in China
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In essence, bitcoin is a kind of cryptocurrency with scarcity in quantity. Just like the limited amount of gold, the total amount of bitcoin is 21 million (and several million have been lost permanently). In theory, bitcoin transaction can not only avoid supervision, but also ensure anonymity. The only valid information is the wallet address composed of a string of codes
The characteristic point of this synthesis method is that it complements each other, comes down in one continuous line and connects with each other
hydrothermal synthesis of emerald (beryl) often contains some inclusion characteristics similar to those of natural emerald, such as gas-liquid two-phase inclusions, mineral inclusions (hematite, etc.), flat color bands, fully developed crystal planes, etc., so it is still confusing, but it is not difficult to identify through careful observation
According to the heating temperature, hydrothermal synthesis can be divided into subcritical hydrothermal synthesis and supercritical hydrothermal synthesis. Generally, in laboratory and instrial applications, the temperature of hydrothermal synthesis is 100-240 ℃, and the pressure in the autoclave is also controlled in a lower range, which is subcritical hydrothermal synthesis. In order to prepare some special crystal materials, such as artificial gems, colored quartz, etc., the hydrothermal reactor is heated to 1000 ℃ and the pressure can reach 0.3 GPA, which is a supercritical hydrothermal synthesis method