Soaked specimens and materials soaked specimens and test materials should have the label, the label be affixed to the real, outside waxed, by number smoothly into the biological hood save. Specimen bottle can not be shaken, in order to avoid break, and there should not be placed in direct sunlight, high temperature or below 0 ℃ to put, to prevent the wax melts and glass cracking. Plant material can also experiment without liquid soaked specimen bottle and put some 20% formalin soaked cotton wool Henan herbarium pictures, white superstructure Henan herbarium price, then sealing material for a long time you can put in a plastic bag a small amount of 20% formalin liquid, then add the experimental material Henan herbarium quotes, tie the bag. Can also be long-term preservation. Register to use the mark by making a note of the date the specimen bottle and liquid formulations, to facilitate future inspection process. Plants can be divided into many different types of specimens because there herbarium specimens, immersion specimens, casting specimens, slide specimens, specimens way to preserve fruits and seeds, etc. The whole plant or plant part (usually with flowers or fruit and other reproductive organs) after drying and bound to be permanently stored in the station called the paper specimen herbarium specimens. This specimen preparation methods as early as the early 16th century by the Italian Luca Montagny (Luca Ghini) invention, the world's first herbarium was built in 1545 in the University of Padua, Italy. A qualified specimens should be: (1) seed plants with flowers or fruit specimens want (seed), ferns have sori, bryophytes have spore capsule, as well as other important features of morphological identification section, such as bamboo plants to have a few pieces of leaf sheaths, some bamboo poles and underground stems. (2) specimens wears a plate, giving the person the license plate collection, collection number, collection sites and content acquisition time of 4, whereby the acquisition can be found by record numbers. (3) be accompanied by a detailed collection records, including records collection date, location, habitat, character, etc., and there are corresponding with the number plate capture and collection number. Henan herbarium pictures, voyage teaching (certified), plant specimens provided by Xinxiang City Teaching Equipment Co. voyage. Xinxiang City voyage Teaching Equipment Co. (www.xxyuanhang.cn) is an industry leader in Henan Xinxiang, specimen model years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. On the voyage instructional leadership with the staff warmly welcome all inquiries negotiations to create a better future teaching voyage.