0 Preface With increasing depth of mining life and mining, domestic and foreign press metal mine problem is getting worse, the filling process is mined-out area, one of the most effective means to control the pressure, in which the whole tailings backfill is currently at home and abroad The mine h
Read more(1) Formation of hydrated film (layer) From the macroscopic contact angle of minerals to the microwetting property of the interface between minerals and aqueous solutions, wetting is considered to be the hydration of water molecules (dipoles) on the adsorption of mineral surfaces. Water molecules
Read moreCoal is the most important energy mineral. From the perspective of mineral processing and utilization, coal can be regarded as an amorphous mineral. A large number of studies in recent years have confirmed that the heterogeneity of chemical composition, impurity distribution and structural character
Read more1, the consideration of clamping force The lateral clamping force of the mold is relatively small, so for a large product with a large projected area, the direction of the large projected area should be placed in the mold opening and closing directions of the front and rear molds, while
Read moreOn October 10th, the China Automobile Dealers Association held a monthly situation analysis meeting in September. According to the “China Automobile Dealership Inventory Early Warning Index Survey†released, the inventory warning index for September 2017 was 48.7%, up 1.6 from the prev
Read moreFXB Outer Lubrication Stainless Steel Gear Pumps Power transmission gears and fluid delivery gears are located in separate pump chambers and are designed and manufactured to their own unique function for superior pump reliability. FXB in FXA pump type, based on the increase of a support, improve t
Read moreChina is a large developing country with low per capita share of natural resources and unacceptable environmental capacity. Since the beginning of the 21st century, the demand for energy and resources has continued to grow strongly as China's economy is in a period of new growth cycle. At the sa
Read moreUnderground sewage pumping is allegedly inconsistent. Water injection into the ground has a high technical threshold: not only does it require high equipment and processes, but it must also pretreat the water that is to be injected into the ground to ensure that there is no suspended matt
Read moreOn August 14th, 7 special transport vehicles with a length of 30 meters were draped in red and slowly entered the construction site of Daqing Petrochemical Company's 1.2 million tons of ethylene renovation and expansion project. Cheng Ying, Chief of the Comprehensive Planning Section of the For
Read moreModel NO.: YJH-HSS-B6546 Type: HSS Saw Blade Blade Material: HSS
Read moreIt has doubled in growth for four straight years before 2009, and it has slowed to 30% by 2010. The Chinese wind power industry, which was once the “big bangâ€, has come to a point of change from quantitative to qualitative change. Standing at a new starting point, as a latecome
Read moreOrigin: Ningbo China HS Code: 846890000 External touch body is made of haig quality DMC material,feel comfortable,goo
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