We often say that the Kjeldahl meter is one of the most widely used testing instruments. It has been applied to almost every industry, but it has been applied to those fields. Many articles have not been specifically introduced, so many people may only recognize Kai. The nitrogen determination instrument can be used to detect nitrogen content in seeds, dairy products, beverages, feed, soil and other agricultural and sideline products. However, in fact, the application range of the Kjeldahl nitrogen analyzer is much more than this. Here's a brief introduction. Kjeldahl scope of application.

In general, Kjeldahl's scope of application includes food, beverages, feed, grain and oil, dairy products, soil, fertilizers, fertilizers, livestock, agriculture, food, sewage treatment, biopharmaceuticals, etc. In the experiment of nitrogen content, Kjeldahl analyzer can be used. In addition Kjeldahl nitrogen analyzer is very cost-effective, the use of very good results, very suitable for laboratory and inspection agencies in the use of routine testing, which is Kjeldahl is one of the reasons for the wide range of applications.

For agriculture, Kjeldahl's most widely used fields are food, crops, seeds, soils, fertilizers, etc. These fields need regular analysis of the nitrogen content or protein content of the sample, for example, seed companies need to use Kay The determination of protein content in seeds is performed by the determination of protein in seeds to determine the quality of seeds. Food companies need to use Kjeldahl apparatus to determine the protein content of foods, ensure that they meet the national standards, and also use Kjeldahl in soil testing. A nitrogen determination instrument measures the nitrogen content in the soil to guide scientific nitrogen fertilizer management. With the development of food safety and refined agriculture, knowing the exact nitrogen content or protein content in the sample has become a normal state. This has also led to more and more widespread application of Kjeldahl in agriculture. The application of this instrument has not only made important contributions to the improvement of product quality, but also played an important role in promoting food safety and the development of modern agriculture.

Face Recognition Door Lock

Face recognition technology is based on the facial features of a person, and recognizes the input face image or video stream. The recognition process first determines whether there is a human face. After identifying a human face, scan the position, size and position information of each main facial organ of each face, and then further extract the identity features contained in each face based on this information , And compare it with known faces to identify the identity of each face. Compared with fingerprint recognition, its main advantage is that the face recognition lock can actively obtain user information without user contact.

Faced with the elderly and children, their fingerprints cannot be accurately identified due to aging and unformed fingerprints. For some adults, their fingerprints are inherently fuzzy, or they will lose the accuracy of fingerprint identification after sweating. sex. The face recognition lock has no related troubles, and it can be easily recognized by both the elderly and the children.

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