Introduction Lab glass separatory funnels is a variety of equipment used in scientific work, traditionally made of glass. Glass may be blown, bent, cut, molded, or formed into many sizes and shapes. It is commonly used in chemistry, biology,...
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Introduction In the present era, the shortage of energy and pollution of the environment become more and more serious with the development of society. Confronting the urgent problems of environmental pollution and resource exhaustion, the development of an alternate,...