Recently, the Beijing Municipal Commission of Housing and Urban-Rural Development forwarded the Notice of the Ministry of Housing and Urban-Rural Development on Doing a Pilot to Expand Building Materials to the Countryside in 2011. From this year, Beijing will become a pilot area to implement the policy of building materials to the countryside, and specific policies will be released in the near future. Zou Mingxiao, a researcher in the building materials industry of CIC, pointed out that although the current demand for building materials market is not obvious, energy-saving building materials are still the focus of market implementation. It is understood that some subsidies have been introduced in some regions, and other pilot cities have also entered the preliminary preparation stage, and relevant subsidy standards will be further implemented in the follow-up. There is a big difference between building materials going to the countryside and home appliances going to the countryside. Not only is the local government formulating subsidies according to their own conditions, but also subsidies are directly subsidized by cement. Affected by the state's macroeconomic regulation and control, the real estate industry has been greatly affected. The downstream building materials industry continues to be weak. At the same time, the international market is also facing export problems. Therefore, the overall market situation is worrying. Although the building materials have been launched, it is actually The market has not played a significant role in driving. Market supply and demand is still the decisive factor in determining the status quo of the building materials industry. At present, there is no obvious start-up phenomenon after the holiday. Zhang Yulin, research director of China Investment Consulting, pointed out that the cement industry has been in a state of overcapacity in recent years. In the process of eliminating backward production capacity, the industry mergers and acquisitions boomed, but from the pilot of cement to the countryside in the past two years, the building materials went to the countryside. There is no obvious effect on changing the status quo of overcapacity in the industry. However, building materials to the countryside has promoted the entire rural housing and consumption levels. Conducive to the gradual development of the future market. According to the “2011-2015 China New Building Materials Industry Investment Analysis and Forecast Report†issued by China Investment Consulting, it shows that a large number of energy-saving new materials are used in construction, which have significant social, economic and environmental benefits, and have great potential. In the future, energy-saving building materials will become the focus of building materials to the countryside. It will further accelerate and expand the promotion and application of new high-quality building materials and new-type integrated houses, accelerate the renewal, adjustment and upgrading of the production and consumption structure of the building materials industry, and promote the development of the building materials industry.
Hot Pipette Tips
The commonly used Pipette kits are mainly composed of a pipette and a pipette tip. The pipette tip is a single empty
Cavity reservoir; the pipette uses the principle of air displacement and controls the maximum displacement of the piston by rotating a screw with an ultra-fine thread
displacement, and then control the amount of liquid suction. There are the following problems when using the above kit for suction: 1. The suction volume is controlled by the pipette
After the pipette is sterilized or used for a period of time, it is easy to cause "hidden" failures, which cause the operator to be difficult to detect.
The actual suction volume is inaccurate, and it needs to be adjusted frequently, and the operation is cumbersome and time-consuming; 2. To improve the pipetting accuracy, the operator's
The operation requirements are high, and it is easily affected by factors such as the suction speed, the depth of the tip below the liquid level, and the inclination angle of the pipette.
The actual suction volume will be heard; 3. The actual suction volume will be affected because the suction head cover is not tight and leaking, and it will not be easily detected; 4.
When performing experiments that require high accuracy, such as analysis, in the operation of equal volume aspiration of liquids with different densities, the actual
The actual suction volume will be affected by the density itself; 5. In order to improve the accuracy, this type of pipette needs to carry out high
Cost-optimized design results in extremely high pipette costs.
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