World Internet Conference should also consider your sma…

The second World Internet Conference will be held in Wuzhen, Zhejiang Province from the 16th to the 18th. The theme of the conference is "Connecting, Sharing, and Co-governance - Building Community of Destiny in Cyberspace". The Internet has penetrated into every aspect of people's l.....

Railway special equipment defect product recall method …

Abstract On December 15, according to the website of the National Railway Administration, the Railway Bureau issued a notice today saying that the “Administrative Measures for the Recall of Defective Products for Railway Special Equipment” (No. 23 of the Ministry of Transport) was.....

These ideas are wrong, environmental protection decorat…

Decoration pollution! Decoration pollution! Decoration pollution! It's not enough to say important things three times! Decoration pollution has always been a top priority, which is related to the physical health of occupants. Many owners have given sufficient attention to ideological actions, .....

Bath knowledge school overall bathroom price trends and…

The so-called overall bathroom is the overall bathroom solution that includes the top, bottom, walls and all bathroom facilities. Different from the traditional bathroom, the overall bathroom is a one-time industrial molding, compact, exquisite, functional, save the bathroom area, and avoid the us.....

Current transformer fault analysis

The current transformer is composed of a closed core and a winding according to the principle of electromagnetic induction. When the current transformer is in operation, its secondary circuit is always closed, so the impedance of the series coil of the measuring instrument and.....

We have discovered a new diamond formation mechanism, b…

Abstract Although most of the problems in geology research are far from everyone's life, there is one thing that everyone is certainly not familiar with – diamonds. This time I contacted the science person because of a recent article on the mechanism of diamond formation. I am very.....

Screw and bolt head type and features

The head shape of bolts and screws can be divided into six categories: hexagonal heads, double hexagon heads, spline heads, pan heads, countersunk heads and other head shapes. Except for the sinking head, it belongs to the convex head. The tensile strength of the stud bolt is .....