At present, China's grape bases are mostly concentrated in the winter cold winter. In recent years, grapes often suffer from different degrees of low-temperature damage, and losses are serious. There have been many reports on the identification methods of cold resistance of grape…

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A few days ago, Russ…

Recently, British shipping service provider Viking SeaTech announced that it has recently received a three-year contract from Australian LNG operator Woodside.

Under the contract, Viking SeaTech will supply Woodside with a pre-built mooring system and will be responsible for project…

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Causes of aging of wire and cable can be analyzed from internal and external causes.

1) Internal Cause

1 The chemical structure of polymer materials: The chemical composition of macromolecules, the degree of unsaturation of the chain, and the proportion of each component of…

Over 30 years ago, the output value of the vacuum packaging machine industry in China was only tens of millions of yuan, and there were only 100 types of vacuum packaging machine products. However, at present, the output value of the vacuum packaging machine industry in China has reached 8…

Torque wrenches are one of the most commonly used hardware tools in the industry and even in the industry. Different types of torque wrenches have different effects. Let's take a closer look at the professional knowledge of torque wrenches.

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The wind sensor of the small weather station is different from the rain sensor and the temperature sensor. Internally, precise mechanical and electronic circuits are integrated. If the wind sensor itself is faulty, the general grass-roots station is not capable of maintenance, but it…

According to statistics from Qingdao Customs, in the first 8 months of this year, Shandong Port exported 130 million new inflatable rubber tires (hereinafter referred to as “ tires ”), which was 7.8% lower than the same period of last year; the value was …

Once upon a time, how many drivers dreamed that in the event of an engine failure on the road, only one instruction was needed to get the most professional help immediately; when the car needed maintenance, it would immediately be able to navigate to the nearest service station in on…

In recent years, the state has introduced a large number of supportive policies in the development of new energy vehicles. However, from the perspective of specific segments, new energy commercial vehicles enjoy fewer favorable conditions than passenger vehicles, especially trucks. Theref…