As the major oil-producing countries refused to cut production, the international oil price fell sharply to the lowest level since May 2009 since December 18th. On the fifth working day of the 44th round of valuation period after the implementation of the new mechanism on December 19th, Beijing Zhongyu crude oil was valued at US$59.645/barrel, which was US$7.685/barrel lower than the benchmark, and the crude oil change rate was -11.41%. The monitoring data of the analysis agency is -11.72%.

Zhongyu Information Analyst believes that OPEC is unwilling to bear the responsibility for production cuts alone, and that other major oil producing countries have not shown any sign of production cuts and that the supply side is generally loose. From an economic point of view, with the exception of the US economy, China and the Euro The economic situation in the world, such as the region, is weak, and the energy demand and demand outlook are still worrying. Therefore, the negative factors of the oversupply of the oil market will continue to suppress the market. However, given that the current international oil price is below US$60/barrel, some investors have loosened their positions and may provide little support for the oil market. Based on comprehensive news and technical considerations, the international oil price may remain volatile and slightly bearish next week.

"The final reduction is expected to be 440 yuan / ton, the current international crude oil market is still dominated by the empty side, the trend continues to decline in the latter part of the week, this week, the last time in 2014, refined oil products will be lowered, and the rate of reduction will continue to widen "The analyst of Zhongyu Information expects. It is worth noting that while the first two domestic oil price cuts, the consumption tax has also risen. The first tax increase is based on the premise that the price of oil does not rise. The second time, the tax increase and price reduction are implemented simultaneously.

Analysts believe that when the price adjustment window opens this week, it is unlikely that the refined oil consumption tax will be raised again. However, there are also oil refining agencies forecast that, at present, although domestic oil prices have a downward trend, but in view of the recent two price adjustments, the country's macro-control of refined oil consumption, the next round of price adjustment does not rule out the possibility of intervention.

Air Purifier with carbon filter

Take a deep breath, close your eyes, the world has the freshest oxygen ... Yu Quan's "Deep Breath" is well known to us, but as the environmental problems become more and more serious, the haze sky also increases, PM2.5 PM10 and so on Vocabulary has also been mentioned more and more, and air purifiers have quickly become popular on the market with this "air quality" trend. Along with this, the air-clean brand has sprung up, and various technologies are dazzling. Which ones are indeed effective and which are just tasteless propaganda? How does the Air Purifier bother us to get rid of pollution? And look at the editors for you.

Analysis of air purifier

The critical value of PM2.5 content is 75 μg / m3

The pollutants in the air mainly include soot, total suspended particulates, inhalable particulates (PM2.5) and fine particulates (PM10). The smaller the diameter of the particulates, the deeper the part that can enter the respiratory tract. 10 micron diameter particles It is deposited in the upper respiratory tract, and particles below 2 microns can penetrate 100% into the bronchiole and alveoli.

1k-5k air purifier prices vary greatly

The air purifier products on the market not only have various functions, but also have prices ranging from thousand yuan to tens of thousands. The pricing of imported products is generally higher than that of domestic brands. Except for the core technology of many brands, the promotion of purification effects is similar, and consumers need to choose according to demand.

The air quality standard of 74 key cities is only 4.1%

According to the data of the press conference held by the State Council Information Office on June 4, according to the new "Ambient Air Quality Standards", the six pollutants SO2, NO2, PM10, PM2.5, CO and O3 were evaluated, 74 new standards In the first phase of monitoring and implementation, the proportion of cities that met the ambient air quality standards was only 4.1%, and the other 256 cities implemented the old air quality standards, and the proportion of cities that met the standards was 69.5%.

Air purifier sales increased by 90.5% compared with last year

According to a report recently released by the China Electronics and Information Industry Development Institute, due to the haze weather, air purifiers have become the most concerned home appliance products, with sales of nearly 2.4 million units nationwide last year, a year-on-year increase of 90.5%; retail The amount reached 5.6 billion yuan, a year-on-year increase of 105.9%.

HEPA filter needs to be replaced in March

The filter of the air purifier Air Cleaner is the same as the filter of the water purifier, and it is not effective for a long time. After long-term use, the accumulation of dust on the surface of the filter will also cause the filter to gradually fail. Therefore, when the haze is more serious, the non-washable HEPA filter needs to be replaced every three months.

Merchants claim that the purification rate is more than 99% for the concept of stealing

99% or even 99.99% seems to have become a slogan for many air purifiers on the market. Many brands of products promote their high removal rate of PM2.5 and formaldehyde. In fact, this kind of publicity is more of a kind. The slogan of stealing the concept, the removal rate of 99% is the effect of the material itself on PM2.5 and formaldehyde, not the effect of actually running in space.

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