First, preparation before use In order to ensure the use of safety, and the machine is in a good working condition, before use, should be performed before the appearance of performance inspection. The inspection is as follows:
a. Whet.......
As a kind of folk sculpture art, Chinese woodcarving has a long history and brilliant achievements. It has been deeply loved by people for its artistic, practical and decorative nature since ancient times.......
Tropical Storm "Terry" affects Fujian, Zhejiang, South China
Strong precipitation in Yunnan and other places in Guangxi
First, important weather
1. Tropical Storm "Terry" affects Fujian, Zhejiang, South China
The center of the trop.......
External features: the heart and sapwood are distinctly different, the sapwood is wide, yellowish white, and the heartwood is dark reddish brown, forming extremely slow. The breast diameter is 50cm, the h.......
Last week, the national cement price rose slightly by RMB 1.2/tonne (0.31%) month-on-month to RMB 372.7/tonne, with Zhengzhou, Lanzhou and Yinchuan rising by RMB 10-35/tonne, while Changsha and Urumqi saw a slight decrease. The weather in the northwest and nor.......
Submersible sewage pump features: 1. Sewage pump with a unique single or double vane impeller structure, greatly improving the ability of sewage through the pump diameter can be 5 times the fiber material and the diameter of the pump diameter of about 50% of the solid Granules. 2. Sewage pump m.......
The method of pesticide control of walnut yellow moth:
1. Picking larvae. The larvae of the 3rd instar larvae should be removed in time, and should be removed in time. Because the larvae are poisonous on the body, they should avoid contact .......
The China Iron and Steel Association stated on July 2 that from January to May this year, the profits of Chinese steel manufacturing enterprises had decreased by 56.9% compared with the same period of last year.
According to the China Iron and Steel A.......
According to the China Iron and Steel A.......
Statistics show that: This year from January to May industrial output in Jiangxi Nonferrous metal continued to grow, the vast majority of product output growth, very little product production fell, as follows: 1, copper concentrate from January to May .......
The bright sunshine could not dispel the overcast cloud that enveloped the steel industry. The steel industry is still struggling in the “deep watersâ€. China Steel Association’s insiders disclosed to the “Economic Information Dailyâ.......
In the whole growth and development process of wheat, in addition to the large amount of NPK, other elements also play an important role in the growth and development of wheat. When it is insufficient, it has certain symptoms of deficiency. It is necessary to observe the whea.......