2019年11月1日星期五

shock! 8 habits threaten women's private health

【Vaginous mold infections】

Common sense reserves: The main symptoms of vaginal fungal infection include increased white discharge, pruritus, redness or odor. When the above symptoms occur in the body, if you can be sure that it is caused by a fungal infection, you can cure it by simply applying topical anti-inflammatory ointment to the affected area. These ointments are non-prescription drugs and can be bought at any pharmacy. However, if you have an annual infection rate of more than three times, it is best to go to the hospital to find out the cause of the disease.

Pathogenic Leakage 1: Sweets

Confectionery and carbonated drinks can not only lead to tooth decay, but also contribute to the proliferation of mold in the human body. The more sugar content in the blood, the easier it is to promote the "flame" of the mold and cause local infection. A study of people infected with mold repeatedly showed that the sugar content of urine in most patients was significantly higher than the average blood glucose level in healthy people. Clinical statistics also showed that 90% of female patients had less recurrence of vaginal fungal infection within one year after reducing their daily sugar intake.

Preventive measures: Although it is medically shown that fungal infections are related to sugar intake, there is no need to completely remove sugary foods from recipes. As long as it is not excessive, you can still enjoy sweet and attractive fruits, snacks and sodas.

Pathogenic Leakage 2: Oral contraceptives

Females who take oral contraceptives containing the estrogen component are nearly twice as likely to be infected with mold as other women. Because the excess estrogen provided by tablets can change the acid-base environment in the vagina, this altered environment is best suited for the reproduction of molds.

Preventive measures: Try to choose oral contraceptives with low levels of estrogen. In addition, you can also choose contraceptive pills that are completely free of estrogen, but compared with those that contain estrogen, the contraceptive effect of this drug is significantly worse, especially when you forget to take the drug at the same time every day. Situation.

Pathogenic leaks 3: Antibiotics

Antibiotics are among the most puzzling of the many pathogenic factors that can cause fungal infections - the role of antibiotics is to kill bacteria, how can it cause mold growth? Or believe that science, yes, antibiotics eliminate pathogenic bacteria in the body At the same time, it will also kill many beneficial bacteria that can control the growth of mold, leading to the "flooding" of mold. When you take a broad-spectrum antibiotic with strong potency, side effects can be particularly pronounced.

Preventive measures: Do not take intensive antibiotics at the beginning of a cold. Even if it is really needed, it should be taken under the guidance of a doctor. If the doctor thinks mild antibiotics are sufficient to achieve the therapeutic effect, it is best not to take more powerful types. Some experts suggest that some lactic acid bacteria tablets can be taken during antibiotic treatment because studies have shown that acidophilic lactic acid bacteria can effectively control the growth of mold and maintain a healthy balance between acid and alkali in the body.

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New R & D Sensor in China: Turn off Light in Blink of an Eye

Imagine winking, lights on, winking, lights off ... Chinese scientists recently reported the design of a new type of sensor that can be attached to the glasses to detect blinking movements so that the "blinking" switch between the home Electrical and other daily tasks become a reality.

"The technology can be considered as having a 'third hand.'" Professor Hu Chenguo, one of the study leaders, told Xinhua News Agency reporters. She said that if the normal person's hands are occupied, this new type of human-computer interaction can be used to control the nearby electronic devices. Patients who have lost their mobility due to diseases such as dementia can also benefit from this. In the future, Sensors installed in different parts of the body, try to manipulate the intelligent robot.

In addition to Hu Chenguo, Pu Xianjie of Chongqing University, Guo Hengyu and Beijing Institute of Nano Energy, Chinese Academy of Sciences Professor Wang Zhonglin and others involved in the study, the paper published in the new issue of the United States, "Science Progress" magazine.

According to Hu Chenguo introduction, traditional human-computer interaction system in the detection of blinking movements, the main probe is very faint body surface bioelectric signals, and they use the recent hot friction nano-power generation technology to design a new sensor to detect the blink of an eye Caused by the skin near the temple movement, not only the high sensitivity, and compared to the traditional detection methods also have better durability and stability.

She explained that the sensor consists of two layers of film, with a certain distance in between. Sensor installed in the glasses legs, contact the skin near the corner of the eye. When the eyes blink, the skin around the corner of the eye to produce a small movement, will make contact with the two films; blink after the eyes open, the two films will be separated. The back of the film prepared by a conductive layer, you can produce a blink of the pulse corresponding to the electrical signal output.

Test results show that the pulse of the output signal strength and the blink of an eye has a direct relationship between the strength and speed. Compared with conscious blinking, unconscious blinking is relatively minor, the pulse signal intensity is small, so the two are easier to distinguish.

In addition to controlling the switch of the electronic device by blinking, the design can also input on the virtual typing interactive interface, for example, type English words and space symbols to form a sentence. Due to the extremely high sensitivity and stability of the sensor, the accuracy of these tasks is high.

Hu Chenguo said he plans to further improve the blink input method system in the future so as to input arbitrary sentences in this way, including switching between Chinese and English, input numbers and punctuation marks, and can also automatically associate commonly used phrases with the input method, just like the present People can do that on ordinary computer keyboards. In addition, researchers also hope to achieve more complex applications such as remote-controlled smart devices through a combination of two blinks.

Hu Chenguo pointed out that sensory-controlled human-computer interaction can create new ways of natural communication between people and external devices and improve people's quality of life. This work "makes the control of electronic devices by blinking promising from experiments Room to our daily life. "


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Ground source heat pump system works popular science knowledge

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Xi'an optical machine where the quantum optics integrated chip has made important progress

Supported by the Class B strategic pilot science and technology project "Large-Scale Photonic Integrated Chip" of the Chinese Academy of Sciences, Xi'an Institute of Optics and Electronics cooperates with many foreign scientific research institutes. Based on the photonic chips developed by Xiguang and based on multiple high-purity frequency modes Coherent superposition of the unique program to solve the on-chip high-dimensional entangled two-photon state preparation and control of the international problems, the use of 10-level entangled two-photon state to achieve ultra-100-dimensional on-chip quantum system and frequency control achieved quantum state Flexible control. Relevant results published in June 2017 in the internationally renowned journal Nature.

The photon quantum system based on entangled photons is the core foundation for solving many problems in modern quantum physics and quantum information science. With the deepening of quantum information research, in addition to multi-photon entanglement, high-dimensional qubits have drawn much attention due to their much higher information carrying capacity than qubits, which has become a deep study of quantum mechanisms Research, improve the robustness and speed of quantum communication protocols, and key tools for more efficient quantum computing.

High dimensional quantum state generation and control experiment device


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Current situation and development trend of China 's industrial pump industry

China's industrial pump industry, centrifugal oil pump accounted for 70%, centrifugal pumps, rotary and reciprocating positive displacement pump 1 accounted for 8%. Visible centrifugal pump products occupy the most important position. In recent years, the annual growth rate of domestic pumps ranging from 11% to 12% is higher than that of the world economic growth rate, thanks to the gradual maturity of the domestic market and the expansion of domestic demand. According to statistics, China must pump more than 2,000 manufacturers. All pumps produce 450 series, more than 5000 varieties. The main domestic pump design, production. Since the 1980s China introduced more than 100 series and more than 2,000 varieties, which not only greatly affected the domestic backward pump market, but also reduced the gap with foreign products. In addition, with foreign joint ventures and cooperative production mode, the key pump technology in China is close to the advanced level of similar foreign products. Judging from the current situation, the domestic WRY thermal oil pump manufacturing industry consists of three parts. These three parts are state-owned enterprises transformed by the shareholding system, joint-stock companies controlled by foreign capital and joint ventures and a large number of private-owned enterprises. From the sales performance analysis in recent years, among the best pump manufacturers, was a large private pump factory. They are not only among the high end of the pump manufacturing industry, becoming the backbone of the pump manufacturing industry, but also have the ability to develop. However, a large number of small and medium-sized private-owned enterprises are still in the bottom position of the industrial chain. If they do not make progress and do not think of joint development, they will be unsustainable for a long time. Although the state-owned enterprises after the joint-stock reform have struggled for quite some time, Integration, restructuring has gradually come out of the trough, as the pump manufacturing industry is an increasingly strong force; joint ventures and foreign-controlled, or even wholly-owned enterprises, has now occupied an important position in the domestic pump manufacturing industry. Some of the original large-scale state-owned enterprises with its market, land and human resources in exchange for the foreign pump manufacturing technology shares. On the one hand, this has enabled us to rapidly increase the level of certain key pumps and also make these joint ventures or foreign-funded enterprises themselves rapidly gain popularity in China. However, it should be noted that most of the pumps manufactured by these enterprises are still in the normal manufacturing category of pumps, and the really much-needed high-end products still need to be imported from abroad. Domestic pump industry so far has not formed a real brand advantage. The development of the pump mainly depends on the domestic strong demand. Due to strong domestic demand in the next few years, there is room for development of the domestic pump industry. But the competition is fierce, including competition with foreign pump industry. Due to the gradual loss of comparative advantages of the domestic pump industry and the deterioration of the export conditions, the export of the pump is expected to be suppressed. Pump products are expected to diversify, supporting capacity will be further improved. Due to the fact that the domestic policy of encouraging domestically-produced new products is for the first time made by the government, it is expected that the high-end pumps urgently needed by China will get a strong boost. Some new products, such as energy-saving and environment-friendly electromagnetic heat pumps, will be promoted under the guidance of the policy. Pump design level and advanced manufacturing technology will be further enhanced in the large pump factory, the combination of the two technologies will give the pump manufacturer a qualitative leap. As mentioned earlier, the domestic Wuyin heat pump industry increased competition, so that some not on the scale of the pump manufacturers and technology can not keep up with the requirements of enterprises will be phased out. Future domestic demand for pump products are mainly concentrated in the following areas: Environmental Protection Industry: The State intends to invest heavily in the construction of sewage treatment plants, the construction of industrial wastewater treatment plant. Water Supply Project: The South-to-North Water Diversion Project and its branch water supply project are still projects that are urgently promoted in China. Power Plant: Some parts of China are still in short supply. The construction of new power plants is inevitable. Therefore, power plant pumps still have strong demand. Petroleum and Petrochemical Industry: The future of petroleum and petrochemical industry, China still has huge space for development. Therefore all kinds of petrochemical and oil pump needs in China. Farmland water conservancy construction and national policies to benefit the rural areas, farmland water conservancy construction will certainly increase more quickly. This is a key area of ​​demand. The first 2015 months, the domestic economy is still strong development, all walks of life pump demand is still strong. Therefore, depending on domestic demand, there is still room for development in China's industrial pump industry. Asian Fluid Machinery Network Copyright statement: This article is the original member of the Asian Fluid Machinery Network, reproduced must be marked Asia Fluid Machinery Network. All possible copyright infringement, content defamation and other accidents, the site is not responsible for, nor assume any legal responsibility. Article content is for reference only and does not constitute investment advice.

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Scientists use lasers to retrieve "lost" memories

Alzheimer's disease, the most common dementia, has long been thought by researchers to completely erase the memory of patients, but a new study found recently that memory loss in people with Alzheimer's may actually be recovered Come because the disease may not ruin all memory as it had been before.

The study was conducted by a research team at Columbia University. The research team, which conducted the study on rats, found that memory was not completely erased by the disease Alzheimer's, but simply made memory harder to extract. New data also show that these "lost" memories may be re-awakened by manually activating the neurons in the storage area.

Alzheimer's disease is a degenerative brain disease that develops, usually in the elderly, and is believed to damage memory and other underlying cognitive functions. One of the most striking features of this disease is the mass of protein known as "beta-amyloid", which is thought to damage and destroy the patient's brain cells. The researchers found that by stimulating the area of ​​the rat brain that is associated with memory storage, they were able to awaken memory lost by the mouse.

The team studied two groups of mice, one group was healthy and the other group had a disease equivalent to human Alzheimer's disease. The researchers genetically engineered these mice to make their neurons emit yellow light when memory storage is activated and red when memory waking is activated. The researchers then performed two tests on the memory of these mice, the first to let the mice smell the lemon and then shock them. After a week, letting them smell lemon flavors again would trigger a pause in healthy mice, but the sick mice did not respond. This shows that mice with similar human Alzheimer's disease do not remember the strong association between lemon flavor and electric shock. Researchers looked at the mouse brain scan during the test and found that the hippocampus in the brain area where the memory was recorded showed a signal that explains how the mouse behaves. In non-diseased mice, researchers see yellow and red light overlapping, meaning they are extracting stored shock memories at the same location. But in diseased mice, different cells glow red during recall, suggesting they might get the wrong memory.

Lead researcher Christine Dunney said the results explain why dementia patients sometimes have the wrong memories. Mouse experiments may indicate that one may send signals to the wrong brain cells. After the first round of testing, the team used a genetically modified technique called "optogenetics" to reactivate mice 'memory of shocks. The technique is operated by shining a blue optical fiber cable into the brain to stimulate memory storage neurons, causing the mouse to suspend again when it smelled lemon. This suggests that memories previously thought to have been lost may still exist in the brain and may be restored. However, at present, optogenetics can not yet be applied to humans because it is unsafe to use lasers for neurons or brain cells. Dr. Denney pointed out that with this research as a foundation, it is expected to develop drugs or technologies that stimulate the memory of the brain in the future to help people with Alzheimer's disease.


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Gartner: Almost all new software products by 2020 will introduce AI technology

The speculation and concern surrounding artificial intelligence (AI) are prompting more and more software vendors to introduce AI into their product development strategy. Gartner also pointed out that this approach has also caused a huge market turmoil. The company analyzed that by 2020 AI technology will be introduced to almost every new software product and service.

In January 2016, the term "artificial intelligence" was not yet able to enter the top 100 search terms on gartner.com, but its rankings have jumped to seventh place by May this year, which indicates that Gartner customers are paying close attention AI issues, and actively think about how to introduce it into its own digital business development strategy. According to Gartner's forecast, by 2020, AI will be one of the top ten CIO investment priorities.

Jim Hare, research vice president at Gartner Inc., commented: "As AI technology rapidly moves into the speculation cycle, software vendors are starting to catch up with the gold rush that has emerged in recent years. While AI technology does offer exciting possibilities, Unfortunately, most vendors focus only on simply building and marketing AI-based products, rather than really looking at market needs, planning potential uses, and thinking about how to enhance their business value. "

AI refers to those systems that can observe the current situation without explicitly programming and analyze the behavior adjustment conclusion alone. Although there is widespread concern that AI technology may eventually replace human beings, the reality is that the current AI and machine learning technologies are only greatly enhancing human beings' abilities. After training, machines can perform far beyond human performance in certain areas; in fact, the combination of machines and humans has made many of the impossible ever possible.

To successfully capitalize on the opportunities offered by AI technology, technology providers need to understand how to address three key issues:

1) The lack of differentiation leads to buyers being frustrated and difficult to make purchasing decisions

A growing number of start-ups and major vendors both claim to be offering AI-related products, but none of them differentiates to really help buyers sort out their needs. More than 1,000 applications and platform providers now claim to be AI providers, or at least claim to have used AI technology in their products.

According to Gartner, this is a wave of emerging trends that resemble "green" products - declaring or exaggerating the environmental impact of their products, regardless of the actual situation. In fact, this widespread AI flaunting has had a negative impact on technology investments.

In order to establish user trust, suppliers should focus on creating quantitative conclusions for AI and provide relevant case studies.

Hare explained that "the word 'AI' should be used wisely in product sales and marketing, specifically differentiating the differentiated nature of AI solutions and what they can solve."

2) Satisfy end-user needs with proven, easy-to-learn machine learning capabilities

The achievements of AI development, including deep learning, have been highly affirmed, but still appear vague in terms of the immediacy and maturity of relevant values. Gartner recommends that each vendor take the simplest approach to use, along with state-of-the-art AI technology to bridge this gap.

3) Businesses lack the ability to evaluate, build and deploy AI solutions

According to the 2017 AI Development Strategy Survey released by Gartner, more than half of the respondents believe the lack of the talent and skill pool required is the single greatest challenge for AI adoption in the enterprise.

The survey found that businesses are actively looking for AI solutions that improve decision-making processes and automate business. How is it possible that most businesses tend to buy embedded or packaged AI solutions instead of trying to build customized solutions.

Hare explains, "Software vendors need to focus on providing solutions to business problems rather than merely delivering cutting-edge technological results, and the point is that suppliers should explain how their AI solutions can help their business customers solve their skills shortages while bringing Beyond the value of internal customizable AI solutions. "

* This research report was completed April 5-21, 2017 and covers all members of the Gartner Research Circle, an ecosystem of IT and business leaders managed by Gartner. The research report collected a total of 83 respondents.

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