On July 26th, “360 Smart Home 2017 New Product Launch Conference†was held in Beijing 798. At the press conference, 360 high-profile release of 360 security routing 2 full Gigabit, 360 security night light set, 360 security door lock three security series heavyweight hardware products a---
If the ry heat transfer oil pump is in service, it is best to look at the manufacturer's maintenance manual and the general assembly drawing to see what special places need attention. Ry heat transfer oil pump maintenance process should pay attention to the aspect of the ry heat transfer oil p---
The fastest growing country in the world. Due to the release of the No. 65 document of the Ministry of Public Security, the building insulation material market in 2011 presented two situations: under the situation that the organic insulation material market was at a loss, the inorganic insulation ---
News Related Keywords: No tags. High-rise building fires are difficult to fight, residential fires are frequent, and small fires are not brewed in time. This is the “pain point†in current urban fire safety work. How to solve these obvious and insurmountable fire safety problems? Recen---
Pcb proofing, small and medium batch production PCB circuit board production process Cutting - inner layer graphics - lamination - drilling - electroplating - outer layer - solder mask - surface treatment - forming - electrical testing - FQC - FQA - packaging - finished product Layer pressure ---
Preparation of polymeric thickeners from waste acrylic fibers for chemical environmental protection Li Lizhong, Li Yonghua, Wang Min, Yan Yan, Yu Yuanzhang, Lu Xiao (Research Institute of Qilu Branch of China Petrochemical Corporation, Zibo, Shandong 255400, China) The hydrolysis temperature is 95---
The first is the failure of the gas source. Such failures mainly occur in places such as air compressors, pressure reducing valves, pipelines, and compressed air processing components. Due to the low pressure, the pressure-regulating spring is usually broken and the diaphragm ruptures. We must repla---