What is a solar water pump?

The solar water pumping system is a photovoltaic water pumping system that uses photovoltaic arrays to drive the water pump to work by the power generated by the photovoltaic array. The system is mainly composed of a photovoltaic array, a photovoltaic lift wat.......

Design of Intelligent Valve Electric Actuator Controller

Abstract: This paper introduces a kind of intelligent controller of valve electric actuator. The controller uses MOTOROLA company's 8-bit microprocessor as the control unit, the use of power electronics as the motor drive unit, completed a set of automatic control, manual adjustment, st.......

Insulation dry mortar additive patented

The multifunctional additives for thermal insulation dry mortar developed by Kangda Chemical Technology Development Co., Ltd. in Jingzhou, Hubei Province, have recently obtained national invention patents granted by the State Intellectual Property Office.

The product is composed of sev.......

[Digital Meter] 72: 3 items of measuring device research

[China Meter Network Instrument Daily] Inventory involves digital news. Meter size things, just look at the numbers.

On December 24th, 11th, the Association of Smart Manufacturing Association of China Association for Science and Technology established a joint conference in Beijing. The.......

Chinese car's world face exports grow toward the world


Look at numbers

Wang Yu, who was in charge of Algeria, Iran and other markets at a domestic auto company, was relieved. After the company's export data for the first quarter of this year came out, sales in his area increased by 56% year-on-year. But also a few days ago, Zhao .......