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| No.13634650

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Information Name: | Guizhou plant herbarium specimens _ _ voyage teaching |
Published: | 2015-01-31 |
Validity: | 0 |
Specifications: | Limited |
Quantity: | |
Price Description: | |
Detailed Product Description: | Dried specimens: Plant Herbarium specimens of plant herbarium specimens to be kept in a sealed cabinet dry herbarium specimens. Because the new system specimens and eggs of parasitic insects often Zhejiang plant specimens, the best medicine cabinet disinfection. Is filled with carbon disulfide about 0.5KG within the container, put insecticide box (1.7 square meters) in two days out of the box, so that the gas cleared, took specimens. Carbon disulfide oxygen gas is heavier than air. Drugs should be placed on top of the specimen. No paper or to specimens came into mercuric chloride 0.5% alcohol (75% for industrial use) was immersed once herbarium, after a good system into the hood. Mercuric chloride) Jiangxi poisonous plant specimens, and not chemical reaction with the metal, should not use metal instruments. To bring rubber gloves when used Fujian plant specimens, wash your hands with soap afterwards Northern, what drug samples insecticide, should be specified in units of paper to prevent poisoning. To put camphor fine against pests within herbarium specimens hood. Herbarium role in helping teachers teach teaching emphasis and difficulty. Classroom to help students understand and master the content. Students love nature, love biology, to stimulate interest. Is an important research materials research work. It can provide a scientific basis for the development, utilization and protection of plant resources, such as species, including morphological characteristics, geographical distribution, ecological environment, phenology, chemical ingredients. Plant specimens (herbarium specimens) is an important material for teaching and research work. It can provide a scientific basis for the development, utilization and protection of plant resources, such as species, including morphological characteristics, geographical distribution, ecological environment, phenology, chemical ingredients. Guizhou plant herbarium specimens _ _ teaching voyage by voyage Teaching Equipment Co., Ltd. Xinxiang City. Xinxiang City voyage Teaching Equipment Co. (www.xxyuanhang.cn) (http://www.yuanhang369.com) strong, credible, in Xinxiang specimen model industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the voyage into the brilliant teaching and you work for a better future! You can also access (www.yuanhang369.com/supply_details_43730520.html), for more information about the company. |
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Copyright © GuangDong ICP No. 10089450, Xinxiang City voyage Teaching Equipment Co. All rights reserved.
Technical support: ShenZhen AllWays Technology Development Co., Ltd.
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You are the 26457 visitor
Copyright © GuangDong ICP No. 10089450, Xinxiang City voyage Teaching Equipment Co. All rights reserved.
Technical support: ShenZhen AllWays Technology Development Co., Ltd.
AllSources Network's Disclaimer: The legitimacy of the enterprise information does not undertake any guarantee responsibility