Wholesale gas prices in the Netherlands and the UK have risen 20 percent recently amid concerns about Russian supplies.
The EU plans to cut its dependence on Russian gas by two-thirds this year and stop importing Russian fossil fuels by 2027. Russia exported about 155 billion cubic meters of gas to the EU in 2021.
The US recently said it would try to supply 15bn cubic meters of LNG to the EU this year. U.S. LNG plants are running at full capacity, and analysts say much of the extra gas the U.S. sends to Europe comes from what should have been exported elsewhere.
The German government called Russia "an unreliable energy supplier". Even though the German government claimed that they have been preparing for the situation for a long time that Russia may stop sending gas one day, experts say it is hard for the EU to replace all of Russia's gas exports any time soon.
The supply and prices of many products in the global market like the low alkali cement will continue to be influenced by international situations.
There are many types of cement, such as low alkali cement, ordinary cement and so on. Do you know the difference between low alkali cement and ordinary cement? What are the precautions for the use of cement?
The difference between low alkali cement and ordinary cement
1. The properties are different. The raw materials of low-alkali cement contain a large amount of blast furnace slag, while the raw materials of ordinary cement are mainly limestone and clay.
2. The characteristics and functions are different. Low-alkali cement is suitable for use in particular areas because the alkalinity is relatively low, while ordinary cement has a broader range of use and higher alkalinity.
Precautions for the use of cement
1. Do not expose to the sun for quick drying
After the construction is completed, attention must be paid to the maintenance of the glue to avoid the evaporation of water too fast, resulting in too fast drying and reducing the strength. The general maintenance time is about seven days.
2. Avoid freezing at a negative temperature
After the concrete is mixed, it cannot be frozen because the temperature is too low. So be sure to choose a suitable temperature environment for construction.
3. Avoid high temperature and heat
If the construction temperature is too high, the calcium hydride in the concrete is easily decomposed, which will lead to the problem of reducing the strength of the concrete. If it needs to be constructed in a high-temperature environment for some special reasons, it is best to add some heat-resistant materials to the concrete, which can increase the strength of the concrete.
4, avoid the base layer from being dirty and soft
Be sure to treat the base layer firmly before construction so that the cement and the foundation will be firmly bonded together during construction. If the construction is on a smooth base surface, the base surface must be brushed so that the cement and the base surface can bond more firmly. In addition, when mixing concrete, be sure to mix evenly so that the concrete setting effect will be better during construction.
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A preparation developed in China; the comfort and the multifunctional properties of nanomaterials make "dead skin" capable of sensing again. Electronic skin is artificial skin that mimics the function of human skin. Recently, the world-renowned journal Advanced Science reported a simple and highly programmable electronic skin on a leather substrate developed by a Chinese team, which combines the natural complex structure of leather, the comfort of wearing, and the multi-functional properties of nanomaterials. , so that the "dead skin" has the ability to sense again.
In the future, low alkali cement will be used in various high-tech fields, and the market demand for low alkali cement will also be great. Please contact us for more information on low alkali cement.
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