Ceramic water flow control valve to achieve continuous adjus…

Series of ceramic water flow control valve developed by the Xinjiang Petroleum Administration Oil Production Technology Research Institute has achieved good results after more than 650 wells were used on site. Previously, oilfield water injection stations all used gate-type valves to regulate water ...read more...

Several methods for measuring soil moisture

(1) Drying method: Also called weight determination method, that is to take the soil sample into the oven and dry it to constant weight. At this time, the free water in the soil moisture is lost in the form of steam and the weight is weighed to obtain the soil moisture content. Drying me ...read more...

How is the compressor classified?

Compressors are classified according to their different structural forms as follows: According to their principles, they can be divided into: Reciprocating (piston) compressors, rotary (rotary) compressors (turbine, water ring, turbine) compressors, axial compressors, jet compress ...read more...

Cummins and Futian strategic cooperation to a new level

Cummins and Foton Motor Co., Ltd. recently held the Futian Auman ETX heavy truck equipped with a Cummins engine, the Euro V passenger car and the Omar light truck "Three Europe" high-end commercial vehicle and the launch of the global launch. This is another strategic cooperation between ...read more...

China Ships held more than 42 million tons in half a year

In the first half of this year, CSSC's orders for hand-held ships exceeded 42 million DWT, accounting for more than 10% of the world's ship market. The production plan for key shipyards has been scheduled for the end of 2011. From August to September 2007, China's first LNG carrier wil ...read more...

154 kinds of petrochemical general machinery imports are not…

Since March 1, the Ministry of Finance has promulgated the "List of Imported Goods for Domestic Investment Projects Not Exempted from Taxes (Revised in 2006)". The catalogue includes 154 petrochemical general machinery (by tax number). These equipments already have manufacturing capacity ...read more...

TJD-800 Seed Cleanness Table Instruction Manual

TJD-800 Seed Cleanness Bench Specification The TJD-800 Seed Clarity Test Workbench is composed of a host and a desktop magnifier lamp. When used, it needs to be placed on a table with drawers, and the magnifier lamp should be placed on the table of cleanliness. Power, turn on the switch ...read more...