According to the second national soil survey and related standards, the soil nutrient content is divided into the following levels (see the following table).

Table 1 So…

Magnetic Pump Usage Notes (A) Because magnetic bearings cooling and lubrication is transported by the medium, it is absolutely prohibited air operation, while avoiding the power failure after the restart caused by the time-space operation.
(B) is transported medium, if it contains soli…

Pump does not absorb water or no water. The reason is mostly the end of the valve damage or stuck; part of the filter blockage, the system lift over the pump lift too much; pump or suction pipe leaks; impeller runner blockage or damage; impeller steering irregularities or low speed; Gas and…

Recently learned from Kunming Yunnei Power, driven by the country’s policy of encouraging car consumption, Yunnei’s commercial vehicle performance hit a record high.

Xu Guangyuan, a professor at Yunnan University, believes that the performance of the domestic au…

A few days ago, the unveiling ceremony and harvesting session of the potato mechanization demonstration base was held in Jiaolai Town, Jiaozhou City, Shandong Province. The potato planter, the earth-covering machine, and the multi-functional pastoral management machine were displayed at the si…

Guangzhou City is steadily moving toward the goal of the “big boss” of the national automobile manufacturing industry. Guangzhou government departments disclosed for the first time this week that in May Guangzhou's auto production grew by more than 20% year-on-year, and…

Now miniature pump selection, such as miniature vacuum pump, micro air pump, micro gas sampling pump, micro gas circulation pump, miniature suction pump, miniature suction pump, mini pump, miniature pump, miniature high pressure pump, etc., often involve These three concepts.
First, si…