During the mass assembly of printed circuit boards for mobile phones, cameras and other acoustic devices, there are some technical issues that may jeopardize the integrity of MEMS acoustic films, including high…

There are two major periods of time each year when the air quality is relatively poor. One is the sandstorm and haze in spring, and the other is the high pollution haze days in autumn and winter. The period bef…

As the country attaches great importance to breeding and green agricultural development, the utilization of livestock and poultry manure as fertilizer will become a mainstream use of livestock and poultry manur…

As environmental pollution control has received increasing attention, industrial wastewater and urban sewage treatment have further developed towards in-depth treatment, and reclaimed water projects have been p…

Chicken manure is a good raw material for organic fertilizer production, but if it is applied directly to crops without being fully fermented or decomposed, it will burn roots and seedlings, spread diseases and…

The technology of waterproof and breathable membranes was initially introduced from some foreign countries. However, the production processes of domestic products are diverse, and the quality of products from v…

Waterproof and breathable membrane, also called breathing paper, is a new type of polymer waterproof material. ptfeWaterproof and Breathable Membrane has functional characteristics that other waterproof materia…

In the pharmaceutical production process, especially for non-terminal sterile products, bacterial filtration and aseptic production processes are mainly relied on to achieve sterility control requirements. With…