Shanghai R&D world's largest section-type recta…

Recently, the world's largest section of the earth pressure balance rectangular shield "Yangming" originated in the construction of the Ningbo subway site. This is China's first self-developed rectangular-like shield. Compared with the traditional circular sh-----

Talking about the Installation and Maintenance of LED E…

As the LED is a solid-state cold light source, it has the advantages of high electro-optical conversion efficiency, small heat generation, low power consumption, operating voltage is safe and low voltage, long service life, etc., and low energy consumption; therefore, high-power white LEDs are expl-----

3GBW type three screw insulation pump uses and technica…

[Asia Pump Network News] 3GBW-type three-screw heat pump for the rotor-type displacement pump, used to transport high-temperature high-viscosity media. Now to introduce the use of 3GBW type three screw insulation pump and technical parameters. 3GBW-type three-screw heat pump a, 3GBW type three------

Solid wood bathroom cabinet encyclopedic knowledge brok…

In recent years, solid wood bathroom cabinets have become the darling of the furniture market. As a new type of solid wood furniture, its natural, simple and graceful features meet the psychological needs of modern urbanites who admire nature. At the same time, they can fully reflect the owner-----

PV costs continue to decline in 2016, global demand is …

Abstract According to the latest analysis shows that PV installation costs are expected to decline 15% in the next two years, will continue to drive worldwide demand increases. According to China's Taiwan EnergyTrend, PV costs have fallen sharply in the past year, and this trend will cont-----

A new method to eliminate citrus pests: pheromone trapp…

With the increase of temperature, the citrus pests in various places have come back. There are many ways to control citrus pests. Today, Xiaobian introduces a new method to control citrus pests: pheromones trap citrus pests. Using pheromones to trap citrus pests is a green an-----

The use of soybean field herbicide varieties should not…

When weeding soybean fields, many farmers’ friends often make a mistake, that is, the herbicide used is too single, so it is easy to make the weeds resistant, it is difficult to completely out the weeds in the field, so we choose a variety of weeding. The agents are use-----