The importance of welding technology in inverter mainte…

Whether the inverter maintenance personnel's welding technology is too hard is directly related to the quality and results of the maintenance of the inverter. If the quality of the soldering during repair is not sufficient, the component pins will be broken when the component is removed, the p

March 2018 domestic SUV market sales analysis: Bao Chun…

In March 2018, the passenger car market increased by 5.0 percentage points year-on-year, and the cumulative sales volume for the year increased by 3.7 percentage points year-on-year. SUV market sales rose to 916,710 units in March from 10.2% year-on-year in March. At the same time, the cumulative

· Michelin motorcycle tires enter the Chinese market

On April 10th, Michelin's high-end motorcycle tire products officially entered the Chinese market. It is reported that the motorcycle tires entering the Chinese market include sports, sports breaks, cruises and other types. Mr. Fang Nord, President of Michelin (China) Investment Co., Ltd.

Safety measures for the expansion of the wind tunnel

I. Project Overview Due to the excessive pressure of the 50108 inlet passage, the top of the roadway is seriously deformed and cannot meet the requirements of ventilation and pedestrians. According to the arrangement of the Ministry of Mine Production Technology, our team will expand the side of th

Safety technical measures for the construction of main …

Roadway section feature table Section area (m2) Design Digging Size (m) Support (mm) Anchor rod (mm) Dwelling room name net Excavation basis width high form thickness diameter length Spacing Anchoring force Iron pallet specifications Tail rope replacement chamber 24.8 47.3 1.60

China's first X-ray astronomy satellite "eyes&…

On the 30th, the National Science and Technology Agency for National Defense and the National Space Administration held an in-orbit ceremony for the use of the “Eye of the Eye” satellite in Beijing. Pan Teng, chief architect of the “Eye of the Eye” satellite, said at the ce

New graphene-based nano-roll sensor can mimic dog nose …

Recently, Chinese researchers published a report in the latest issue of the American Chemical Society·Nano magazine that they have developed high-quality graphene-based nano-rolls that mimic the nose-nosed olfactory function. Graphene is a single crystal with a honeycomb two-dimensional monato