cases-凯发体育app

1. background introduction gas chromatography first came out in the 1950s. it is a new separation and analysis technology based on the differences in the physical and chemical properties of the components. making use of the differences in th...

二、1. background introduction ivd is the abbreviation of in vitro diagnostic products. it is a type of medical device. it refers to the detection of human samples (blood, body fluids, tissues, etc.) outside the human body to obtain clini...

application of micro diaphragm pump in 3d inkjet printing in

background introduction printing technology refers to the imprinting of different designs, patterns and characters on specific carriers and fabrics in a certain way. by difference in printing tools, it is divided into forme-based printing an...

application of micro gas pump in plant photosynthesis tester

plant photosynthesis is the synthesis of organic matter through the carbon dioxide in the air and the water absorbed by plant roots,utilizing the energy provided by sunlight and the chloroplasts of leaves. the faster the rate of photosynthes...

1. background introduction laser device is a device that can generate laser light. since its inception in 1958, it has been rapidly replicated in decades, with continuous improvements in functions, gradual reduction in volume, and increas...