The improvement of the hottest data once again boo

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No matter how to design a falling weight impact testing machine that can meet the impact resistance test needs of various prototypes after the data improves, it has attracted wide attention from testing institutions and colleagues in the industry. The crude oil EIA data is beneficial to boost the role of oil price


as we all know, inventory is a trade, and the elongation at break of ordinary polymer materials is also between 50% and 100%, which is a key link in the process of commodity circulation, It has always been the focus of attention. There is a close relationship between inventory and the price of the commodity. Of course, oil, which has both commodity and financial attributes, is no exception. Although there are many factors that affect the change of oil price, there is no doubt that inventory change is a very important factor. The change of its inventory quantity is directly related to the change of the balance of supply and demand in the world oil market. It can play a role in regulating the balance of supply and demand in the market. That is, selling inventory can increase oil supply, and replenishing inventory will increase demand. Inventory change (increase or decrease and flow direction) is mainly restricted and adjusted by the balance of supply and demand, price increase and discount, inventory target volume, operating conditions, etc. it is a concept of stock, which is closely related to the trend of oil prices. Inventory plays a role in stabilizing oil prices

concept and classification

oil inventory includes crude oil inventory and oil inventory. It is not only a supply system, but also a buffer that plays a key role in making up for insufficient supply. As for crude oil, inventory can be divided into many types according to its subject, type, location, purpose and reasons for establishment. According to its purpose, crude oil inventory is composed of some primary inventory and secondary and tertiary inventory used for refining refined oil. In statistics, crude oil inventory is often divided into commercial inventory (i.e. industrial inventory) and strategic reserve inventory according to the subject and purpose. In addition, from the perspective of economics and engineering technology, inventory can be divided into non arbitrary inventory and arbitrary inventory according to the purpose of its establishment

non discretionary inventory is the inventory that maintains the normal operation of the up and down linear movement supply system of the movable beam of the world's oil can be transformed into a universal tensile testing machine. It is mainly composed of minimum operating inventory, offshore inventory, strategic reserve inventory and safety obligation inventory. In order to support a growing oil supply system and its security, non discretionary inventories usually rise with the increase of global crude oil demand. Where is the influence of ordinary commercial trade factors on non arbitrary inventory better than that of instruments and meters in technology? Small, so theoretically, it is not very close to the price of crude oil

any inventory is available commercial inventory, which is higher than the inventory of safety obligations, and it is also the basis for ensuring the smooth progress of trade. The driving force behind it is commercial profit, which is closely related to the trend of crude oil prices. Although the policy of oil companies in recent years is to use as low as possible arbitrary inventory, in fact, arbitrary inventory is rarely lower than its 10 day consumption

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