Do you not use the pesticides that have been used well before?

Currently, many growers in pest control process found that some conventional pesticides suddenly become less useful, and even increase the dosage is also less than ideal control effect, this is the pest weeds resistant to pesticides It is.

<

Photovoltaic module attenuation classification

1. The concept of photovoltaic module attenuation

Photovoltaic module attenuation rate means:

The ratio of the output power to the nominal power of the PV module after running for a period of time under standard test c

HP's first USB-C notebook officially launched

The USB 3.1 standard is rapidly spreading in the high-tech industry, and HP has also launched its first notebook computer with USB-C interface. This is the new Pavilion x2 laptop, which can be charged using the USB Type-C interface.
The USB 3.1 standard is rapidly spre

In-depth understanding of the role of oxidative fungicides

Oxidative bactericidal algicides are biocides with strong oxidizing properties and have a strong killing effect on microorganisms in water. According to the China Pesticide Network , the oxidative biocides commonly used in circulating cooling wa