Under normal circumstances, many manufacturers of PVC pipe profiles prefer to use paraffin as a lubricant. However, they also overlooked a problem, that is, paraffin wax has low softening point and poor dispersibility. In the process of production, the temperature is to ...more...
Notice of Guangdong Provincial Public Security Department on…
News Related Keywords: No tags. Public security bureaus at various levels, Shunde District Public Security Bureau: To further standardize the maintenance and inspection of fire protection facilities, ensure that the fire protection facilities in use are sound and effective, and gradually promote ...more...
Preparation and Spectroscopic Properties of Macromoleculariz…
Synthesis and Spectroscopic Properties of Synthetic Chemical Polymerized 8-Hydroxyquinoline and Its Cu Complex 1 Yu Haihu, Chen Xiaoyu, Hu Weida, Yang Enyu, Li Honghui, Li Xiaoyu (Center for Optical Fiber Sensing Technology, Wuhan University of Technology, Wuhan, Hubei Province, China) It has also ...more...
Symptoms and control methods of boron deficiency in cauliflo…
If the boron deficiency of cauliflower is not controlled, it will lead to a decrease in yield, affecting quality and production efficiency. The symptoms and prevention methods of boron deficiency in cauliflower are described below for reference. 1. Symptoms. Boron deficiency is mainly characte ...more...
LDPE (Chinese name: low density high pressure polyethylene): sensory identification: soft hand: white transparent, but the transparency is general, often with tape and printed words. (Note: tape and printed characters are unavoidable, but must be controlled, as these wil ...more...
The intelligent switch refers to a unit that utilizes the combination and programming of the control board and the electronic components to realize the intelligent switch control of the circuit. The intelligent switch has a wide use environment and high usage rate, and various types of intelligent ...more...
The new three board heavy punches complete the letter patrol…
Abstract Recently, the national stock transfer system has adopted the warning signs and other related self-regulatory measures for the listed companies to use the raised funds in advance, the IPO progress and other major information disclosures are not timely, the 2016 annual report is not di ...more...