Bi 2 S 3 has a low solubility in an aqueous solution, and its solubility product Ksp = 10 -98.9 . The concentration of Bi 3 + in water is only 10 -20.81 mol ∕ L, while the concentration of Bi 3 + is only 10 -3 mol ∕ L under acidic conditions of pH=0. Therefore, Bi 2 S 3 cannot be leache

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The comprehensive indicator of soil productivity, soil fertility, is fundamentally explained by the ability of the soil to supply plant growth and to coordinate nutrient and environmental conditions. The basis of soil fertility is the status of soil nutrients. Only by grasping the conditi

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On July 3, 2017, the local Aalto-Theater in Essen welcomes the design feast! The annual Red Dot: Best of the Best award is the highest level. Honored designers will receive their trophy on this stage! Three lighting fixtures and a lighting system will win the 2017 Red Dot Award. Let’s take a

Recently, Michelin, the chief partner of the Expo's French Pavilion, brought the newly developed active tires for high-tech products to the Expo and was assembled on the Venturi Volage concept car displayed at the Monaco Pavilion. This will be the most advanced scientific and technologic

Since the beginning of this year, the total number of criminal cases in Shuangyashan City has dropped by 9.2%, and the preventability cases have dropped by 13.4%. The success was mainly due to the fact that the Shuangyashan City Public Security Bureau focused on creating the "Shuanganshan of Pe

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Model NO.: Pt31 HS Code: 85159000 Packaging:Company Profile:Changzhou Wujin golden globe welding and cutting machiner

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