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16 weeks to prenatal diagnosis center or obstetric clinic

Publish: 2021-05-11 03:28:14
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2. Answer for you
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3. What goes to the center of the earth
4.

Analysis on the expenditure scale and application prospect of China's blockchain instry in 2018 will be close to US $300 million in 2019, so as to solve the short board problem and promote economic development

blockchain technology is expected to be widely used in the economic field

blockchain technology has strong practical significance for cultivating new momentum of economic growth, building an honest society, improving the level of management technology and alleviating the financing difficulties of small and medium-sized enterprises, It is expected to be widely used in the economic field. At present, the application of blockchain technology is still in the early stage of development, facing many challenges. We should actively promote the application of blockchain in many economic and social fields, scenes and environments, create a good environment for instrial development, improve the quality of development, strengthen the research and development of blockchain core technology, professional application demonstration, and strengthen standard manufacturing Personnel training and the construction of public service platform

in 2019, the expenditure scale of China's blockchain market will be close to US $300 million

according to the statistical data of in depth analysis report on business model innovation and investment opportunities of China's blockchain instry published by prospective instry research institute , as of 2017, the expenditure scale of China's blockchain market is only US $83 million. In 2018, the expenditure scale of China's blockchain market will reach US $160 million. It is predicted that the expenditure scale of China's blockchain market will be close to US $300 million in 2019. At this stage, the overall market scale of blockchain is small, because most blockchain projects in the market are in the trial stage, with little investment. On the other hand, many enterprises have realized the potential of blockchain and plan to increase the budget in the future. Affected by this, China's blockchain market will usher in rapid growth. It is estimated that the market expenditure will reach US $1.95 billion by 2023, and the average annual compound growth rate will be 60.51% from 2019 to 2023

Statistics and forecast of China's blockchain market expenditure scale from 2017 to 2023. At present, blockchain technology is not mature in system stability, application security, business model, etc., which can not meet the requirements of "high efficiency and low energy", "decentralization" and "security" at the same time. First, performance. The transaction throughput that can be carried out on the blockchain is not high, and the current block capacity is very small, which leads to network congestion, and it is difficult to meet the needs of high-frequency business. Many projects are also starting to optimize, but there is still a certain distance from the transaction throughput of real scenes such as banks and stock exchanges. Second, consensus mechanism. In terms of energy consumption, consensus algorithms such as workload proof consume a lot of energy and cost, which makes blockchain waste a lot of network computing power and pairing power; In terms of types, there are too few types of blockchain consensus mechanisms at present. In the future diversified business scenarios, more abundant consensus mechanisms are necessary to adapt. Third, security. Privacy protection, harmful information on the chain, smart contract vulnerability, consensus mechanism and private key protection, computing power attack, cryptography algorithm security and other issues make the blockchain face a severe situation of platform security and application security. Fourth, the database problem. Different from traditional databases, blockchain applications require a lot of write operations, hash calculation and verification operations. The database system for blockchain is still a difficult point to break through

2. Unclear application scenarios

currently, the blockchain project is still in the exploration stage, and no specific landing scenarios can be found. At present, the more promising fields are finance, sharing economy, Internet of things, public services, etc., but from the perspective of the existing blockchain technology maturity, there are still many problems in the application of blockchain, and there is still a gap from the actual use. First, the immaturity of blockchain technology restricts the implementation of commercial applications. At present, although there are many kinds of blockchain core technologies such as privacy protection algorithm and consensus mechanism, they generally do not have commercial availability. Second, the application mode of blockchain is still in exploration, and the "irreplaceable" advantage of blockchain has not been reflected. Blockchain itself represents a consensus system, so we should build a consensus system in line with the corresponding business scenarios from a higher level, rather than just "business + blockchain". There are many users in China, and the business scenario is complex. Moreover, any commercial proct will involve a very large flow and population. The current blockchain technology can not meet the demand

3, lack of professional talents

blockchain technology is a multi-disciplinary and interdisciplinary technology, which mainly involves operating system, network communication, cryptography, mathematics, finance, proction and so on. However, at present, there are still deficiencies in interdisciplinary and fields in China, and the supply of talents in related fields is seriously insufficient. On the one hand, there is a large gap of R & D technical talents. Blockchain technology research and development mainly focuses on go, JavaScript, C and C + programming languages, and new smart contracts use Haskell, Ocaml, rhoang and other new functional programming languages. In China's talent market, there is a big gap for technical talents with senior R & D experience in relevant languages. On the other hand, there is a lack of bottom design talents. Different from R & D technical talents, blockchain bottom system architecture designers need to master a number of interdisciplinary professional skills, not only to deeply understand the block chain bottom design principle, but also to have the system architecture design experience, but also to master the business logic of specific application scenarios. Although some colleges and universities have launched interdisciplinary ecation and blockchain special skills discipline setting, professional talents are still very scarce

analysis of favorable factors for the development of China's blockchain. In January 2017, the Ministry of instry and information technology issued the development plan of software and information technology service instry (2016-2020), which proposed that the innovation in blockchain and other fields should reach the international advanced level. In August 2017, the State Council issued the guidance on further expanding and upgrading information consumption and continuously releasing the potential of domestic demand, proposing to carry out the pilot application of new technologies such as blockchain and artificial intelligence. In October 2017, the State Council issued the guidance on actively promoting the innovation and application of supply chain, which proposed to study the use of blockchain, artificial intelligence and other emerging technologies to establish a credit evaluation mechanism based on supply chain

in March 2018, the Ministry of instry and information technology (MIIT) issued the key points for standardization of informatization and software service instry in 2018, proposing to promote the establishment of the national informatization and instrialization Integration Management Standardization Technical Committee, and the national blockchain and Distributed Accounting Technology Standardization Committee. In June 2018, the Ministry of instry and information technology issued the instrial Internet development action plan (2018-2020) to encourage the application and research of emerging cutting-edge technologies such as edge computing, deep learning and blockchain in the instrial Internet

since the blockchain was listed in the 13th five year plan for national informatization for the first time in 2016, the national government has paid more and more attention to the blockchain. 24 provinces and cities or regions, including Beijing, Shanghai, Guangdong, Hebei, Jiangsu, Shandong, Guizhou, Gansu and Hainan, have launched dividend policies to carry out the layout of the blockchain instry chain, Actively explore instry applications based on blockchain

At present, China's blockchain technology continues to innovate, and the blockchain instry graally takes shape, and has begun to be applied in supply chain finance, credit reference, proct traceability, right trading, digital identity, electronic evidence and other fields, which is expected to promote China's economic system to achieve technological change, organizational change and efficiency change, To make important contributions to the construction of a modern economic system. With the continuous influx of entrepreneurs and capital, the number of enterprises is increasing rapidly. The application of blockchain will accelerate the landing, boost the high-quality development of traditional instries, accelerate the instrial transformation and upgrading, use blockchain technology to "rece costs" and "improve efficiency" for the real economy, and boost the standardized development of traditional instries. In addition, blockchain technology is becoming a new business form and a new driving force for economic development. Blockchain technology is promoting a new round of business model reform and becoming an important support for building a social system of integrity

In the past, the circulation of physical banknotes was difficult to trace, but with the application of blockchain technology, the flow of all digital assets will have a "chain" to check. For example, in the financial field, blockchain is expected to solve the pain points and difficulties in the payment field, rece the complexity of transactions, improve the end-to-end speed of transactions, rece the communication cost in the transaction process, and improve the transparency and non tamperability of transaction records. The cost of reconciliation, clearing and settlement among financial institutions, especially cross-border financial institutions, has always been very high, and there are complex manual processes. The application of blockchain technology can help rece the cost of reconciliation and dispute resolution among financial institutions, and significantly improve the processing speed and efficiency of payment business, It also makes small cross-border payments possible. In addition, the application of blockchain will also extend to many fields, such as health care, ecation, charity, social management and so on. The market prospect is very broad

5.

Full name of 164701 Fund: huitianfu gold and precious metal Securities Investment Fund (LOF), which belongs to QDII type fund

dividend policy of huitianfu gold and precious metal Securities Investment Fund:

1. On the premise of meeting the dividend conditions of relevant funds, the maximum number of income distribution of the fund is 6 times per year, and the proportion of each income distribution shall not be less than 10% of the profit available for distribution on the base date of the income distribution (that is, the deadline for calculating the profit available for distribution), If the "fund contract" takes effect less than 3 months, no income distribution can be made

2. There are two ways of income distribution: cash dividend and dividend reinvestment. Investors can choose cash dividend or automatically convert cash dividend into fund shares for reinvestment; If investors do not choose, the default income distribution method of the fund is cash dividend; The fund units registered in the Shenzhen securities account of the fund unit holders of the securities registration and settlement system can only choose the way of cash dividend, and the specific rights and interests distribution proceres and other related matters shall comply with the relevant provisions of Shenzhen Stock Exchange and China securities registration and settlement Co., Ltd

3. The net value of the fund shares should not be lower than the face value after the distribution of fund income; That is, the net value of fund units on the base date of fund income distribution minus the amount of income distribution per unit of fund units cannot be lower than the face value

4. Each fund share has the same distribution right

5. If there are other provisions in laws and regulations or regulatory authorities, such provisions shall prevail. 4、 Income distribution plan the income distribution plan of a fund shall state the profit available for distribution as of the base date of income distribution, the object of income distribution of the fund, the time of distribution, the amount and proportion of distribution, the method of distribution, etc

6. Belongs to the monetary Dividend Fund
stable income, high security and low risk. Hope the answer will help you.
7. At present, this fund mainly invests in high-tech stocks, so it belongs to high-tech fund
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