BTC biochemistry
computing power is a measure of bitcoin network processing power. That is, the speed at which the computer calculates the output of the hash function. Bitcoin networks must perform intensive mathematical and encryption related operations for security purposes. For example, when the network reaches a hash rate of 10th / s, it can perform 10 trillion calculations per second
in the process of getting bitcoin through "mining", we need to find its corresponding solution M. for any 64 bit hash value, there is no fixed algorithm to find its solution M. we can only rely on computer random hash collisions. How many hash collisions can a mining machine do per second is the representative of its "computing power", and the unit is written as hash / s, This is called workload proof mechanism pow
computing power provides a solid foundation for the development of big data, and the explosive growth of big data poses a huge challenge to the existing computing power. With the rapid accumulation of big data in the Internet era and the geometric growth of global data, the existing computing power can no longer meet the demand. According to IDC, 90% of the global information data is generated in recent years. And by 2020, about 40% of the information will be stored by cloud computing service providers, of which 1 / 3 of the data has value
therefore, the development of computing power is imminent, otherwise it will greatly restrict the development and application of artificial intelligence. There is a big gap between China and the advanced level of the world in terms of computing power and algorithm. The core of computing power is the chip. Therefore, it is necessary to increase R & D investment in the field of computing power to narrow or even catch up with the gap with the developed countries in the world
unit of force
1 KH / S = 1000 hashes per second
1 MH / S = 1000000 hashes per second
1 GH / S = 1000000000 hashes per second
1 th / S = 100000000000 hashes per second
1 pH / S = 100000000000 hashes per second
1 eh / S = 100000000000 hashes per second
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What does 1p mean
first of all, 1p computing power is equivalent to about 1.05 million g, which means that if you have 1g computing power of the whole network, you can get almost 1.05 million of bitcoin output of the whole network. According to the output of 3800 bitcoins per day, we can see that the daily income of 1g of computing power has dropped to 0.0036 bitcoins, which is about 2.7 yuan according to the current market price. If the electricity cost and mining machinery hardware cost are included, the profit is almost gone
secondly, 1p's whole network computing power seems amazing, but in fact, in a year's time, you will think it's just a pediatrics, because cointera will launch 2p miner in December, and bitmine will launch 4P miner in March next year. If these companies are not put in biochemical weapons by Syria, it should be expected that bitcoin's whole network computing power will reach more than 10p in a year's time, By then, 1g of computing power will only be able to dig 0.00036 bitcoins a day.
computing power refers to computing power, refers to that in the process of getting bitcoin through "mining", we need to find its corresponding solution M. for any 64 bit hash value, there is no fixed algorithm to find its solution M. we can only rely on computer random hash collisions. How many hash collisions can a mining machine do per second, is the representative of its "computing power". The unit is written as hash / s, which is the so-called proof of work mechanism (POW)
one is a story about an American psychologist and aliens, which should be "type IV" or "type IV contact"; The other is a perfect escape.
The basic components of drugs are mainly detected and determined in combination with the indicators in the drug instructions and the Chinese Pharmacopoeia. The basic components of different drugs are different
the basic components of a drug are the components that play a major role in drug efficacy, and the others are auxiliary components, which are basically for the sake of drug forming or stable addition, and have no pharmacological effect
drugs are used to prevent, treat and diagnose human diseases, purposefully regulate human physiological functions, and specify substances with indications or functions, usage and dosage, including Chinese herbal medicine, Chinese herbal pieces, Chinese patent medicine, chemical raw materials and their preparations, antibiotics, biochemical drugs, radioactive drugs, serum, vaccines, blood procts and diagnostic drugs
extended information:
according to different jurisdictions, drugs can be divided into OTC and POM. The subtle differences between prescription drugs and over-the-counter drugs vary according to the legal definitions of different countries
in some areas, BTC (behind the counter) drugs can be purchased without a doctor's prescription, but they need to be placed in the area that customers can't see directly in the pharmacy, and can only be sold by pharmacists. Doctors may also prescribe off label use of prescription drugs, that is, uses that have not been recognized by the medical authorities
for patented drugs, countries will require the owner or agent of a certain drug to license the manufacture of drugs under certain circumstances. In most cases, when some urgent infectious diseases are prevalent, or to ensure that some countries with low income can also afford the treatment drugs for diseases such as AIDS drugs
http://www.tudou.com/programs/view/mYxbtCZnvSs/
Internet security once again because of a large-scale outbreak of computer viruses and caused everyone's attention: bit virus. The emergence of this virus will make the computer's documents locked, hackers to coerce ransom, and most of the places are important units. For example, Chinese universities and British hospitals. The data of these units are very important. Most of the time, the school is not only an ecational unit, many key universities also undertake a lot of scientific research tasks. From a certain point of view, it also shows that hackers are very selective and targeted
Of course, the explanation given by Microsoft said that the virus was an attack against the vulnerability supplemented in March. In a way, hackers are also a test of users' security awareness. Microsoft has added software to the vulnerability in March. From this point of view, the hacker's attack is not brilliant. Because it is through the official patch, and then imagine no patch defects, so as to attack. Hackers also know the update awareness and security awareness of users. Of course, as a domestic company, 360 also seized this opportunity to quickly adjust the security housekeeper to check and kill the virusfrom this point of view, Microsoft's vulnerability supplement is targeted and prescient, and the possible vulnerabilities should be supplemented in time
from the user's point of view, this virus attack is different from the previous one. In the past, it is generally in the form of camouflage and loading to ince customers to take the initiative to download. And this time the virus is mostly spread through the LAN, as long as you boot, the virus will invade. The document cannot be opened normally
if this virus attack has any inspiration for us to use computers and pay attention to Internet security, I think it can be inspired from at least two aspects: the first is to strengthen the security of computer systems, such as using official patches to repair vulnerabilities in time; the other is to install regular anti-virus software, update it in time, and strengthen the firewall
many male partners will find that girls are easy to be grumpy ring the physiological period. especially for those boys who have girlfriends, they will probably have a deeper understanding of this. So why do girls get angry easily when they are on the radio? In fact, there are some reasons
so I think for boys with objects, when your girlfriend is in the physiological period, you should care for her more, be more tolerant and modest. after all, every girl is not easy, only in the degree of mutual understanding, can you live happily
before inced abortion surgery, we need to do ECG and ordinary gynecological examination.
anesthesia is not necessary for me to say, painless
there are also some postoperative anti-inflammatory drugs for hanging water.
have a good communication with her, this kind of thing itself is not easy for her, so we should be considerate