Boring

The operation of cutting the surface of the workpiece with a file to make the workpiece reach the required size, shape and surface roughness is called boring. The boring precision can reach 0.01mm and the surface roughness can reach Ra0.8um. The operation of cutting the surface of the workpiece w

Test box maintenance knowledge

1. Since the value of the temperature and humidity chamber is generally high, we recommend that it be placed in a relatively benign temperature environment. Our empirical temperature value is 8 ° C ~ 23 ° C. For laboratories not equipped with this condition, appropriate air conditioning must

How should chlorine dioxide generator be maintained in …

How should the chlorine dioxide generator be properly maintained in the daily routine? How should the chlorine dioxide generator be maintained in the daily routine: 1. Before the first operation, sufficient water must be added to the equipment, and it is strictly forbidden to operate empty. 2. T

Piston pump test

Piston pump in the long-term work, due to vibration and so on, many components in particular the need for testing. The purpose of doing so is to avoid hidden dangers and endanger the occurrence of piston pump event. So what is the specific process of testing the plunger pump? Piston pump test 1, be

Application of Bubble Water Level Gauge and Laser Water…

What are the advantages and disadvantages of the application of bubble water level gauge and laser water level gauge in small and medium reservoirs? Application of Bubble Water Level Gauge and Laser Water Level Gauge in Medium and Small Reservoirs 1. Principles and characteristics of the bubble

What is the role of rooting agents?

The roots of crops are the key to the whole harvest. The root-promoting agent is an emerging agent that is specifically used for roots and has outstanding effects. The following is the role of rooting agents? Linyi Fertilizer Network Copyright 1. Rooting and rooting: before or during the onset of

State Council: Determine measures to accelerate the dev…

Abstract On the 1st of April, Premier Li Keqiang presided over the State Council executive meeting to determine measures to accelerate the development of e-commerce and foster new economic power. The meeting pointed out that the development of e-commerce and other emerging service industries

Roots pump advantages and disadvantages which

Roots pump can deliver tens of thousands of centipoise of viscosity liquid, Roots pump work through a pair of synchronous gear drive, in the pump body bite each other. Today, these products are mainly used in petroleum, chemical, pesticides, plastics and other fields, and achieved very good results