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2023-12-04Analysis of the working principle of microporous filtration membrane for microbial detection Microporous filtration membranes are based on the principle of size separation and are more commonly used in the detection of pathogenic microorganisms and microbial contamination detection industries |
2023-12-01Rúhé duì kōngqì guòlǜ mó jìnxíng xiàolǜ de cèshì kōngqì guòlǜ mó cèshì, mó cèshì fāngfǎ, qìtǐ wēi kǒ The filtration efficiency test of air filter membranes usually uses various standardized methods and techniques, including particle counting method, gravimetric method, photometric method, scanning el |
The working principle of gas separation membranes is determined by factors such as the size, shape, polarity and chemical interaction of gas molecules. These characteristics determine the speed at whi |
2023-11-27What characteristics should the air sampling filter membrane have and what membrane material should The air contains a variety of molecules and particles, both natural and man-made. In addition to the parts that can be used, it also contains components that affect its use and even are harmful. |
As the name suggests, "click chemistry" refers to fast, reliable, and high-yield chemical reactions. It is a concept first proposed by Professor K. Barry Sharpless in 2001. It refers to the use of spe |
Microcellulose filter membranes play an important role in the separation, purification and concentration of biologically functional proteins. These filter membranes, which are composed of countless sm |
PC (polycarbonate) and PET (polyethylene terephthalate) are the two most commonly used materials for track etching films. They both have good etching track properties, but there are also some qualitat |
There are many types of materials used in the production of track etching films, such as polycarbonate (PC), polyethylene terephthalate (PET), polyimide (PI), polypropylene (PP), polystyrene (PS), pol |
The porosity of the membrane plays a vital role in the filtration process. The porosity mentioned here refers to the hollow space or the volume fraction of the voids in the membrane material. I |
Silanization method is a commonly used surface modification technology for filter membranes. It is a chemical reaction between the surface substance of the filter membrane |
Under normal storage conditions, it has not experienced the effects of high and low temperatures, but the filter membrane membrane deformed and shrunk seriously after being cut. What is the reason for |
The pollution of the filter membrane refers to the accumulation of substances on the surface of the filter membrane or inside the pores, which leads to a reduction in filtration efficiency and affects |
2023-11-03What characteristics should the filter membrane used to filter pharmaceutical liquids have? Membranes used to filter pharmaceutical solutions require specific characteristics to ensure effective and safe filtration. The following is an analysis of the main characteristics |
Spin coating and dip coating are two common techniques for applying thin films or coatings to substrates. The purpose is to apply the function of surface coating to optimize and upgrade the properties |
Chemical vapor deposition (CVD) is a widely used technology for depositing thin films or coatings on substrates (including filter membranes). |
The sol-gel process for filter membrane modification is a technology in surface coating. It mainly uses sol (colloidal suspension of solid particles in a liquid) through chemical reactions such as hyd |
2023-10-25Analysis on the layer-by-layer assembly process technology in filter membrane surface coating Layer-by-layer (LbL) assembly is a widely used technology to modify the surface properties of filter membranes by depositing alternating layers of different materials onto the membrane surface. |
2023-10-23Under what circumstances can PTFE filter membrane become hydrophilic without surface modification? Polytetrafluoroethylene (PTFE) is hydrophobic in nature, meaning it repels water. This property is attributed to the structure of PTFE, which is composed of carbon atoms completely surrounded by fluor |
2023-10-20What is the difference in the production process between graft polymerization and plasma induced gra Graft polymerization and plasma-induced grafting are two technologies used to modify the surface properties of materials. |
Polyethersulfone (PES) and nylon (NYLON) are both commonly used filter membrane materials. PES is a synthetic polymer composed of repeating units of ethylene |
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How to choosethe right microporous membrane
Choosing the right microporous membrane dependson several factors, including
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What are thecharacteristics of PTFE filter membrane
PTFE (Polytetrafluoroethylene) filter membraneshave a number of unique
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How todistinguish between hydrophobic and hydrophilic membranes
Hydrophobic and hydrophilic membranes can bedistinguished based on their
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Why is thebreathable membrane impermeable?
A breathable membrane is designed to allow watervapor to pass through it while
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