December 08, 2019

Domestic salicylic acid market price on July 16

On the 16th, the salicylic acid market in the North China region was operating stably. The ...

Winners and losers in the European PV market in 2013

Abstract According to the latest research report of NPDsolarbuzz European PV market, although ...

Balcony shape with feng shui

The balcony is the airway of a room and is a natural space that directly touches the outside w ...

Study on the Law of the Variation of the Bending Moment of the Pipe Joints

The preload of 50 MPa and 100 MPa is applied to the bolts in the model assembly. The eccentric com ...

How to distinguish the three elements of the integrated ceiling

The integrated ceiling is the kitchen and bathroom ceiling that has only appeared in recent ye ...

He Yiquan: My life and the life of Sanmao

Abstract I was born in 1932 and is now 81 years old. In January 1951, when he was in the seco ...