On September 3, the International Symposium on Nanoscience and Technology was held at Beijing Friendship Hotel. Representatives at the conference pointed out that nanotechnology will be said to be ahead of others for a while. Someone will say that it is behind, and anyone can say a few words. To say ahead is to say that the nanometer is far away from us. Isn't it not? There are things that are very close to the market. The United States and Japan, including Singapore, Germany, and other countries, have already included nanomaterials in their products. However, people do not call nano or anything. Some time ago we put the nanometer speculation very fragrant, and now 180 ° turn, saying that nanometers are false, this phenomenon shows that it is cognitively immature, people can not help but ask -
The nano industrialization revolution is impacting the packaging industry
Institute of Solid State Physics, Chinese Academy of Sciences Zhang Lide, Researcher China's research on nanotechnology is relatively early in the world, and it is in good condition in basic research. If it is truly measured by a thesis (which does not represent the absolute level of China), by the end of 2001, China is in the lead. The number of papers published in 10 years is second only to the United States and Japan, and it is the third largest, exceeding Germany. In the three years from 1999 to 2001, China published SCI more than Japan, second only to the United States, ranking second, and it should be said that it is quite good. The patents for nanomaterials in China also account for more than 10% of the world's total. Our nanotechnology industry has increased year by year. As of the end of last year, there were more than 300, and there were 31 production lines for nanometer powder materials, which is commendable.
In addition, China is upgrading its traditional industries with nanomaterials and nanotechnology. It has been fully implemented in light industry, electronics, textiles, construction materials, fine chemicals, power industry, environment, energy, and medicine. In particular, the transformation of some traditional industries, including paints, coatings, antibacterial, sanitation, and processing, has caused widespread concern in foreign countries. They are very much concerned with China's development trends. Our problem is that we started early and moved quickly. We achieved world-acclaimed results in some areas. However, we lacked the motivation to develop practical technologies, lacked practical technologies for display, lacked the traction of market goals, and inadequate technology integration. Insufficient motivation to turn science and technology into wealth, inadequate measures, and insufficient conversion of nanotechnology achievements.
First, talk about the challenges of the market. Take the nano-powder material industry as an example. Because nano-powder materials are the most dynamic and innovative space in the powder material industry, nano-materials are only one part of nano-materials, not All. China has 31 production lines with an annual output of more than 20 tons (excluding university-registered enterprises). There are oxides, nitrides, carbides, metal alloys, and fullerene materials. The first problem is the lack of market goals for traction. Lack of market product goals to drive technology maturity. Just a single powder, and did not develop bottleneck technology (application technology) for market goals, even if some of the technology is mature, but it has not yet turned into a market mature, and they all stay in the stage of finding the market, which is quite difficult. The nano-powder industry, which lacks market goals, needs a lot of effort to develop. Therefore, it is necessary to specify which market and demand the powder products to be produced are targeted for innovation and transformation. The most important is that The problem is that it is necessary to turn technological advantages into market advantages, which is a problem that needs to be solved urgently in the current nano-powder material industry. The second is technical challenges.
At present, the nano-powder industry still faces many technical problems. Many technologies are not mature enough, and they should be matured through market stimulation. For example, product stability and consistency issues must be consistent as product performance. I visited several production lines and paid special attention to the final packaging workshop to see how it was collected. Some products are produced without temperature, humidity controlled space, and without the control of temperature and humidity. Can these products be nanomaterials? Seen from the perspective of packaging, packaging of nanomaterials is by no means a layer of plastic cloth to solve the problem. Without solving these problems, how is this nanomaterial? It is not just that the scale is achieved.
Estimates of the difficulty of nano-innovation are not well-publicized. Since it is a new thing, it is not as simple as cooking and MSG to make the taste fresh. It is not a matter of adding spirit. It is not the same as the micron addition. The surface is to be controlled and modified. It is to be designed, how much to add, and to cooperate with the whole. This is a systematic project, neither mysterious nor simple.
Research and development of nanodevices The research of the nanodevices of Feng Songlin, a member of the Chinese Academy of Sciences and the Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, originated from two sources of motivation. On the one hand from market demand. Due to advances in technology, the 2001 version of ITRS in the future of integrated circuit technology was two years ahead of the 1999 version. The search for alternatives to CMOS technology and the development of new nanodevices have become very important for countries with leading microelectronics technologies such as the United States, Europe, and Japan. Urgent tasks. At present, the research of nanodevices in these countries also has many purposes.
On the other hand, the development of material preparation techniques, semiconductor low-dimensional physics, and molecular devices has enabled people to easily design and develop new devices using quantum effects, from theoretical and practical aspects to the next generation of quantum devices and quantum device-based devices. Circuits and architectures have paved the way. In addition, prior to 2013, technical issues and increased investment in the index (a 70-nm microelectronics manufacturer's investment is expected to exceed US$10 billion) may limit the speed of traditional CMOS technology and may reduce the entry barrier for other devices. (To be continued)

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