Leaching of manganese ore Posted on October 31, 2021 Electrolytic manganese metal deposition process is cathode Mn products. Since the manganese potential is very negative (-1.18V), and the Mn 2+ hydrolysis pH Strong magnetic separation technology for recovery of black tungsten ore from white tungsten flotation tailings Posted on October 31, 2021 A large mine tungsten containing about 0.44% WO 3, scheelite and wolframite 6.5:3.5 ratio, using the first flotation recovery scheelite, wolframite its flotation tailings. Due to the low tungsten grade of th… Sulfide ore low temperature oxidation acid leaching - enhanced oxidation capacity nitric acid and nitrate Posted on October 31, 2021         Enhanced… Flexible graphite new heating material Posted on October 31, 2021 Graphite and its products have been widely used in chemical, petroleum, electricity, metallurgy and other industries, it is the ideal sealing material. With the rapid development of… The nature of black medicine Posted on October 31, 2021 The commonly used cresol black medicine in China is 15 #é»‘è¯ and 25 #黑è¯, they are black-green oily liquid, so it is called black medicine, but many similar species Mining of sand deposits (glass siliceous raw materials) Posted on October 31, 2021 1. Mining methods and division of mining scales <br> Sand mines are open-pit mining, and their mining scale is divided into rock mines. Inner Mongolia Zhemeng (silicon) sand company's glass sand mine production reached 650,000 t / a with 11 mining areas… Sectional ore-bearing water-carrying mining and mining method in Pangushan tungsten mine Posted on October 31, 2021 This mining method was adopted at the 63218 stope of No. 91 vein of the northern group of the Pangushan tungsten mine. The veins are about 600m long, with an average thickness of 0.19m, an inclination of 42° to 55°, and an average grade of 2.843%… Jaw crusher operating procedures Posted on October 31, 2021 1. Do the following work before driving Application of Ultrasonic Wave in Preparation of Ultra-thin Copper Foil Posted on October 31, 2021 With the rapid development of science and technology, social sectors in particular, composite materials, electronic materials, decorative materials, demand for electrolytic copper foil is increasing. Electrolytic copper foil has beco… Non-metallic supply and demand and export Posted on October 30, 2021 The vast majority of Chinese non-metallic mineral products roughing oversupply of certain minerals section of deep-processed products to be imported from abroad. Recently, due to the impact of the Southea… Equipment fixed asset management system Posted on October 30, 2021 1. According to the relevant regulations of the State, the value of the equipment is more than 800 yuan, or the equipment with a period of more than one year constitutes the fixed assets of the equipment. After the installation and acceptance, it should be recorded in time be… Gold welding process Posted on October 30, 2021 Gold and gold alloys have good weldability and brazeability. For pure gold, oxidation during soldering, brazing, and brazing is not a serious problem. However, some of its alloys must be protected from oxidation during the welding process. Gold and most of… 201条记录/17页 1 2 3 4 5 6 7 8 9 10 下一页 Home
Strong magnetic separation technology for recovery of black tungsten ore from white tungsten flotation tailings Posted on October 31, 2021 A large mine tungsten containing about 0.44% WO 3, scheelite and wolframite 6.5:3.5 ratio, using the first flotation recovery scheelite, wolframite its flotation tailings. Due to the low tungsten grade of th… Sulfide ore low temperature oxidation acid leaching - enhanced oxidation capacity nitric acid and nitrate Posted on October 31, 2021         Enhanced… Flexible graphite new heating material Posted on October 31, 2021 Graphite and its products have been widely used in chemical, petroleum, electricity, metallurgy and other industries, it is the ideal sealing material. With the rapid development of… The nature of black medicine Posted on October 31, 2021 The commonly used cresol black medicine in China is 15 #é»‘è¯ and 25 #黑è¯, they are black-green oily liquid, so it is called black medicine, but many similar species Mining of sand deposits (glass siliceous raw materials) Posted on October 31, 2021 1. Mining methods and division of mining scales <br> Sand mines are open-pit mining, and their mining scale is divided into rock mines. Inner Mongolia Zhemeng (silicon) sand company's glass sand mine production reached 650,000 t / a with 11 mining areas… Sectional ore-bearing water-carrying mining and mining method in Pangushan tungsten mine Posted on October 31, 2021 This mining method was adopted at the 63218 stope of No. 91 vein of the northern group of the Pangushan tungsten mine. The veins are about 600m long, with an average thickness of 0.19m, an inclination of 42° to 55°, and an average grade of 2.843%… Jaw crusher operating procedures Posted on October 31, 2021 1. Do the following work before driving Application of Ultrasonic Wave in Preparation of Ultra-thin Copper Foil Posted on October 31, 2021 With the rapid development of science and technology, social sectors in particular, composite materials, electronic materials, decorative materials, demand for electrolytic copper foil is increasing. Electrolytic copper foil has beco… Non-metallic supply and demand and export Posted on October 30, 2021 The vast majority of Chinese non-metallic mineral products roughing oversupply of certain minerals section of deep-processed products to be imported from abroad. Recently, due to the impact of the Southea… Equipment fixed asset management system Posted on October 30, 2021 1. According to the relevant regulations of the State, the value of the equipment is more than 800 yuan, or the equipment with a period of more than one year constitutes the fixed assets of the equipment. After the installation and acceptance, it should be recorded in time be… Gold welding process Posted on October 30, 2021 Gold and gold alloys have good weldability and brazeability. For pure gold, oxidation during soldering, brazing, and brazing is not a serious problem. However, some of its alloys must be protected from oxidation during the welding process. Gold and most of… 201条记录/17页 1 2 3 4 5 6 7 8 9 10 下一页 Home
Sulfide ore low temperature oxidation acid leaching - enhanced oxidation capacity nitric acid and nitrate Posted on October 31, 2021         Enhanced… Flexible graphite new heating material Posted on October 31, 2021 Graphite and its products have been widely used in chemical, petroleum, electricity, metallurgy and other industries, it is the ideal sealing material. With the rapid development of… The nature of black medicine Posted on October 31, 2021 The commonly used cresol black medicine in China is 15 #é»‘è¯ and 25 #黑è¯, they are black-green oily liquid, so it is called black medicine, but many similar species Mining of sand deposits (glass siliceous raw materials) Posted on October 31, 2021 1. Mining methods and division of mining scales <br> Sand mines are open-pit mining, and their mining scale is divided into rock mines. Inner Mongolia Zhemeng (silicon) sand company's glass sand mine production reached 650,000 t / a with 11 mining areas… Sectional ore-bearing water-carrying mining and mining method in Pangushan tungsten mine Posted on October 31, 2021 This mining method was adopted at the 63218 stope of No. 91 vein of the northern group of the Pangushan tungsten mine. The veins are about 600m long, with an average thickness of 0.19m, an inclination of 42° to 55°, and an average grade of 2.843%… Jaw crusher operating procedures Posted on October 31, 2021 1. Do the following work before driving Application of Ultrasonic Wave in Preparation of Ultra-thin Copper Foil Posted on October 31, 2021 With the rapid development of science and technology, social sectors in particular, composite materials, electronic materials, decorative materials, demand for electrolytic copper foil is increasing. Electrolytic copper foil has beco… Non-metallic supply and demand and export Posted on October 30, 2021 The vast majority of Chinese non-metallic mineral products roughing oversupply of certain minerals section of deep-processed products to be imported from abroad. Recently, due to the impact of the Southea… Equipment fixed asset management system Posted on October 30, 2021 1. According to the relevant regulations of the State, the value of the equipment is more than 800 yuan, or the equipment with a period of more than one year constitutes the fixed assets of the equipment. After the installation and acceptance, it should be recorded in time be… Gold welding process Posted on October 30, 2021 Gold and gold alloys have good weldability and brazeability. For pure gold, oxidation during soldering, brazing, and brazing is not a serious problem. However, some of its alloys must be protected from oxidation during the welding process. Gold and most of… 201条记录/17页 1 2 3 4 5 6 7 8 9 10 下一页 Home
Flexible graphite new heating material Posted on October 31, 2021 Graphite and its products have been widely used in chemical, petroleum, electricity, metallurgy and other industries, it is the ideal sealing material. With the rapid development of… The nature of black medicine Posted on October 31, 2021 The commonly used cresol black medicine in China is 15 #é»‘è¯ and 25 #黑è¯, they are black-green oily liquid, so it is called black medicine, but many similar species Mining of sand deposits (glass siliceous raw materials) Posted on October 31, 2021 1. Mining methods and division of mining scales <br> Sand mines are open-pit mining, and their mining scale is divided into rock mines. Inner Mongolia Zhemeng (silicon) sand company's glass sand mine production reached 650,000 t / a with 11 mining areas… Sectional ore-bearing water-carrying mining and mining method in Pangushan tungsten mine Posted on October 31, 2021 This mining method was adopted at the 63218 stope of No. 91 vein of the northern group of the Pangushan tungsten mine. The veins are about 600m long, with an average thickness of 0.19m, an inclination of 42° to 55°, and an average grade of 2.843%… Jaw crusher operating procedures Posted on October 31, 2021 1. Do the following work before driving Application of Ultrasonic Wave in Preparation of Ultra-thin Copper Foil Posted on October 31, 2021 With the rapid development of science and technology, social sectors in particular, composite materials, electronic materials, decorative materials, demand for electrolytic copper foil is increasing. Electrolytic copper foil has beco… Non-metallic supply and demand and export Posted on October 30, 2021 The vast majority of Chinese non-metallic mineral products roughing oversupply of certain minerals section of deep-processed products to be imported from abroad. Recently, due to the impact of the Southea… Equipment fixed asset management system Posted on October 30, 2021 1. According to the relevant regulations of the State, the value of the equipment is more than 800 yuan, or the equipment with a period of more than one year constitutes the fixed assets of the equipment. After the installation and acceptance, it should be recorded in time be… Gold welding process Posted on October 30, 2021 Gold and gold alloys have good weldability and brazeability. For pure gold, oxidation during soldering, brazing, and brazing is not a serious problem. However, some of its alloys must be protected from oxidation during the welding process. Gold and most of… 201条记录/17页 1 2 3 4 5 6 7 8 9 10 下一页 Home
The nature of black medicine Posted on October 31, 2021 The commonly used cresol black medicine in China is 15 #é»‘è¯ and 25 #黑è¯, they are black-green oily liquid, so it is called black medicine, but many similar species Mining of sand deposits (glass siliceous raw materials) Posted on October 31, 2021 1. Mining methods and division of mining scales <br> Sand mines are open-pit mining, and their mining scale is divided into rock mines. Inner Mongolia Zhemeng (silicon) sand company's glass sand mine production reached 650,000 t / a with 11 mining areas… Sectional ore-bearing water-carrying mining and mining method in Pangushan tungsten mine Posted on October 31, 2021 This mining method was adopted at the 63218 stope of No. 91 vein of the northern group of the Pangushan tungsten mine. The veins are about 600m long, with an average thickness of 0.19m, an inclination of 42° to 55°, and an average grade of 2.843%… Jaw crusher operating procedures Posted on October 31, 2021 1. Do the following work before driving Application of Ultrasonic Wave in Preparation of Ultra-thin Copper Foil Posted on October 31, 2021 With the rapid development of science and technology, social sectors in particular, composite materials, electronic materials, decorative materials, demand for electrolytic copper foil is increasing. Electrolytic copper foil has beco… Non-metallic supply and demand and export Posted on October 30, 2021 The vast majority of Chinese non-metallic mineral products roughing oversupply of certain minerals section of deep-processed products to be imported from abroad. Recently, due to the impact of the Southea… Equipment fixed asset management system Posted on October 30, 2021 1. According to the relevant regulations of the State, the value of the equipment is more than 800 yuan, or the equipment with a period of more than one year constitutes the fixed assets of the equipment. After the installation and acceptance, it should be recorded in time be… Gold welding process Posted on October 30, 2021 Gold and gold alloys have good weldability and brazeability. For pure gold, oxidation during soldering, brazing, and brazing is not a serious problem. However, some of its alloys must be protected from oxidation during the welding process. Gold and most of… 201条记录/17页 1 2 3 4 5 6 7 8 9 10 下一页 Home
Mining of sand deposits (glass siliceous raw materials) Posted on October 31, 2021 1. Mining methods and division of mining scales <br> Sand mines are open-pit mining, and their mining scale is divided into rock mines. Inner Mongolia Zhemeng (silicon) sand company's glass sand mine production reached 650,000 t / a with 11 mining areas… Sectional ore-bearing water-carrying mining and mining method in Pangushan tungsten mine Posted on October 31, 2021 This mining method was adopted at the 63218 stope of No. 91 vein of the northern group of the Pangushan tungsten mine. The veins are about 600m long, with an average thickness of 0.19m, an inclination of 42° to 55°, and an average grade of 2.843%… Jaw crusher operating procedures Posted on October 31, 2021 1. Do the following work before driving Application of Ultrasonic Wave in Preparation of Ultra-thin Copper Foil Posted on October 31, 2021 With the rapid development of science and technology, social sectors in particular, composite materials, electronic materials, decorative materials, demand for electrolytic copper foil is increasing. Electrolytic copper foil has beco… Non-metallic supply and demand and export Posted on October 30, 2021 The vast majority of Chinese non-metallic mineral products roughing oversupply of certain minerals section of deep-processed products to be imported from abroad. Recently, due to the impact of the Southea… Equipment fixed asset management system Posted on October 30, 2021 1. According to the relevant regulations of the State, the value of the equipment is more than 800 yuan, or the equipment with a period of more than one year constitutes the fixed assets of the equipment. After the installation and acceptance, it should be recorded in time be… Gold welding process Posted on October 30, 2021 Gold and gold alloys have good weldability and brazeability. For pure gold, oxidation during soldering, brazing, and brazing is not a serious problem. However, some of its alloys must be protected from oxidation during the welding process. Gold and most of… 201条记录/17页 1 2 3 4 5 6 7 8 9 10 下一页 Home
Sectional ore-bearing water-carrying mining and mining method in Pangushan tungsten mine Posted on October 31, 2021 This mining method was adopted at the 63218 stope of No. 91 vein of the northern group of the Pangushan tungsten mine. The veins are about 600m long, with an average thickness of 0.19m, an inclination of 42° to 55°, and an average grade of 2.843%… Jaw crusher operating procedures Posted on October 31, 2021 1. Do the following work before driving Application of Ultrasonic Wave in Preparation of Ultra-thin Copper Foil Posted on October 31, 2021 With the rapid development of science and technology, social sectors in particular, composite materials, electronic materials, decorative materials, demand for electrolytic copper foil is increasing. Electrolytic copper foil has beco… Non-metallic supply and demand and export Posted on October 30, 2021 The vast majority of Chinese non-metallic mineral products roughing oversupply of certain minerals section of deep-processed products to be imported from abroad. Recently, due to the impact of the Southea… Equipment fixed asset management system Posted on October 30, 2021 1. According to the relevant regulations of the State, the value of the equipment is more than 800 yuan, or the equipment with a period of more than one year constitutes the fixed assets of the equipment. After the installation and acceptance, it should be recorded in time be… Gold welding process Posted on October 30, 2021 Gold and gold alloys have good weldability and brazeability. For pure gold, oxidation during soldering, brazing, and brazing is not a serious problem. However, some of its alloys must be protected from oxidation during the welding process. Gold and most of… 201条记录/17页 1 2 3 4 5 6 7 8 9 10 下一页 Home
Jaw crusher operating procedures Posted on October 31, 2021 1. Do the following work before driving Application of Ultrasonic Wave in Preparation of Ultra-thin Copper Foil Posted on October 31, 2021 With the rapid development of science and technology, social sectors in particular, composite materials, electronic materials, decorative materials, demand for electrolytic copper foil is increasing. Electrolytic copper foil has beco… Non-metallic supply and demand and export Posted on October 30, 2021 The vast majority of Chinese non-metallic mineral products roughing oversupply of certain minerals section of deep-processed products to be imported from abroad. Recently, due to the impact of the Southea… Equipment fixed asset management system Posted on October 30, 2021 1. According to the relevant regulations of the State, the value of the equipment is more than 800 yuan, or the equipment with a period of more than one year constitutes the fixed assets of the equipment. After the installation and acceptance, it should be recorded in time be… Gold welding process Posted on October 30, 2021 Gold and gold alloys have good weldability and brazeability. For pure gold, oxidation during soldering, brazing, and brazing is not a serious problem. However, some of its alloys must be protected from oxidation during the welding process. Gold and most of… 201条记录/17页 1 2 3 4 5 6 7 8 9 10 下一页 Home
Application of Ultrasonic Wave in Preparation of Ultra-thin Copper Foil Posted on October 31, 2021 With the rapid development of science and technology, social sectors in particular, composite materials, electronic materials, decorative materials, demand for electrolytic copper foil is increasing. Electrolytic copper foil has beco… Non-metallic supply and demand and export Posted on October 30, 2021 The vast majority of Chinese non-metallic mineral products roughing oversupply of certain minerals section of deep-processed products to be imported from abroad. Recently, due to the impact of the Southea… Equipment fixed asset management system Posted on October 30, 2021 1. According to the relevant regulations of the State, the value of the equipment is more than 800 yuan, or the equipment with a period of more than one year constitutes the fixed assets of the equipment. After the installation and acceptance, it should be recorded in time be… Gold welding process Posted on October 30, 2021 Gold and gold alloys have good weldability and brazeability. For pure gold, oxidation during soldering, brazing, and brazing is not a serious problem. However, some of its alloys must be protected from oxidation during the welding process. Gold and most of… 201条记录/17页 1 2 3 4 5 6 7 8 9 10 下一页 Home
Non-metallic supply and demand and export Posted on October 30, 2021 The vast majority of Chinese non-metallic mineral products roughing oversupply of certain minerals section of deep-processed products to be imported from abroad. Recently, due to the impact of the Southea… Equipment fixed asset management system Posted on October 30, 2021 1. According to the relevant regulations of the State, the value of the equipment is more than 800 yuan, or the equipment with a period of more than one year constitutes the fixed assets of the equipment. After the installation and acceptance, it should be recorded in time be… Gold welding process Posted on October 30, 2021 Gold and gold alloys have good weldability and brazeability. For pure gold, oxidation during soldering, brazing, and brazing is not a serious problem. However, some of its alloys must be protected from oxidation during the welding process. Gold and most of… 201条记录/17页 1 2 3 4 5 6 7 8 9 10 下一页 Home
Equipment fixed asset management system Posted on October 30, 2021 1. According to the relevant regulations of the State, the value of the equipment is more than 800 yuan, or the equipment with a period of more than one year constitutes the fixed assets of the equipment. After the installation and acceptance, it should be recorded in time be… Gold welding process Posted on October 30, 2021 Gold and gold alloys have good weldability and brazeability. For pure gold, oxidation during soldering, brazing, and brazing is not a serious problem. However, some of its alloys must be protected from oxidation during the welding process. Gold and most of… 201条记录/17页 1 2 3 4 5 6 7 8 9 10 下一页 Home
Gold welding process Posted on October 30, 2021 Gold and gold alloys have good weldability and brazeability. For pure gold, oxidation during soldering, brazing, and brazing is not a serious problem. However, some of its alloys must be protected from oxidation during the welding process. Gold and most of… 201条记录/17页 1 2 3 4 5 6 7 8 9 10 下一页 Home