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Industry is China’s second largest industry, is one of the important material sectors of the national economy, divided into heavy industry an...

The vacuum pump of vacuum conveyor has two kinds of electric and pneumatic, among which there are two kinds of electric roots vacuum pump and liqui...

Why heat treatment of car axle?Half shaft is car rear axle torque and a certain impact of important structures, is one of the main components of transmission po

Post weld heat treatmentThe post-weld heat treatment process shall be specified in the welding or heat treatment process documents and shall be subject to the w

Heavy duty gear has high bearing capacity, high impact force, high safety requirements, good wear resistance, high contact fatigue strength and bending fatigue

The well furnace is mainly composed of outer cover, inner tube, convection tube, burner, bottom stirring circulation fan, strong cooling fan and methanol cracki

1. Reduce the furnace temperature to 820 ~ 850 ℃.2. When the furnace temperature is stable, open the front door.3. Close carbon potential control, methanol and

Metal die casting has the characteristics of high production efficiency, saving raw materials, reducing production cost, good product performance and high preci

Common concepts1. Metal: material with opaque, good metallic luster, thermal and electrical conductivity, and its electrical conductivity decreases with the inc

Surface heat treatment technology can be roughly divided into three categories: overall surface heat treatment, exterior surface heat treatment and chemical sur

1. Principle of aluminum alloy heat treatmentThe heat treatment of aluminum alloy castings is to select a certain heat treatment specification, control the heat

Annealing of steel: annealing is a heat treatment process in which the steel is heated to a temperature above or below the critical point AC1, and after a certa

As a leader in the field of vacuum technology, we have developed a range of products to meet high demand applications in the process industry. The ...

As a natural working medium, CO2 is an important research direction of CFCs working medium substitution. This paper mainly introduces the relevant ...

The best supplier of liquid ring vacuum pump, get the quotation of liquid ring vacuum pump! Request more information. Browse our below.nLiquid ring...

When you buy products on EVP, you can get the best offer on the liquid ring vacuum pump. Many products at reasonable prices.nSelection of vacuum pu...

Heat treatment furnace is refers to the charge heat treatment heating furnace or fuel furnace. The commonly used heat treatment furnace has box type resistance

Multi-purpose heat treatment furnace has the following characteristics:(1) the temperature range of heat treatment furnace is large. The key object is to obtain

During the solid solution heat treatment, the parts are heated to 1,000 ° F for up to 12 hours.At this temperature, the hardened elements silicon (Si) and magn

The utility model relates to a liquid ring vacuum pump, which comprises a pump shell and an impeller which are eccentrically installed in the pump ...

We sell the best SK / 2SK liquid ring pump, high quality water / liquid ring vacuum degassing pump for chemical industry of Chinese manufacturer. C...

The main components of freeze dryer (freeze dryer) are drying box, condenser, refrigeration unit, vacuum pump, heating / cooling device, etc. In th...

Helium, either alone or in combination with roots pumps, is an ideal solution to achieve the parameters required for industrial applications.nThe r...

Si has oído hablar de las últimas tendencias, entonces conoces a personas que se desviven por vestir Sex Doll con ropa cara y pelucas superiores. Las pelucas son tan importantes en la muñeca sexual como el cabello para las mujeres; Es la puerta de entrada al look perfecto. Si bien la mayoría de las personas solo prefieren una peluca en sus muñecas sexuales, algunas prefieren pelucas diferentes para diferentes looks y cambiabilidad. Se esforzarán por invertir en numerosos colores de pelucas, diferentes longitudes y diferentes volúmenes para lograr estos looks; y el resultado serán muchas pelucas para la misma muñeca. Limpiando su peluca Independientemente del enfoque que utilice, asegúrese de limpiar la peluca de su Muñecas de Silicona a menudo antes de volver a usarla. Puede lavar la peluca por completo o lavarla en seco ligeramente si no está muy sucia. Esto es seguido por cepillar la peluca antes de engrasarla y finalmente alisarla. Nuevamente, esto depende completamente del tipo

no roster flow became made with the aid of the los angeles lakers on tuesday, however that modified into all it took for center dwight howard’s resurgence to be cemented with the group.

Homogenization heat treatment and thermal conductivity of magnesium alloyThe microstructure, composition and hardness of the new mg-4zn-1mn (zm41) magnesium all

Vacuum quenching technology is gradually popularized, but at the same time, the existing problems are also pointed out.The first is the evaporation of Cr, Mn an

Based on the problem that the ferromagnetic target is difficult to be sputtered normally in magnetron sputtering magnetic thin films, in order to improve the pr

(1) Attention shall be paid to the placement of workpieces to ensure uniform heating and prevent overheating. When using gas furnace or natural gas furnace, pay