In the plastic trimming, according to the tree structure requirements of the tree shape, between the center stem and the main branch, between the main branch and the main branch, between the main branch and the side branch, between the backbone branch and the auxiliary branch Different in the amount of branches and growth, so that they maintain a certain difference between them, this is the so-called affiliation. For example, the main sparse layer requires the center to be stronger than the main branch, the lower main branch is stronger than the upper main branch, the main branch is stronger than the side branch, and the backbone branch is stronger than the auxiliary branch. This affiliation can maintain the development direction of the backbone branches, and the crown is complete and compact.
In current production, there are often unknowns, or subordination does not meet the requirements of the tree structure. This requires the use of pruning techniques to correct. When adjusting the relationship between the master and the slave, it mainly adjusts the branching amount and branch composition of each branch. , opening angle, and how much the result will be carried out.
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Non-Inactivated Disposable Virus Sampling Tube
This disposable Non-Inactivated virus sampling tube is an upgrade from the Hank's solution. Additional various components, such as BSA, HEPES, amino acids, cryoprotectant, etc., are added to enhance the virus integrity. It can be used for nucleic acid extraction of virus, mvcoplasma chlamydia and ureaplasma samples and later virus isolation.
This disposable non-inactivated virus sampling tube consists of fibrous swab and culture medium.The medium contains antibiotics and antimycotics for the purpose of inhabitation of bacteria and veasts overgrowth. It helps to maintain the cellular integrity and preserve the viruses, mycoplasma, chlamydiae and ureaplasma.
When collect specimens with this disposable Non-inactivated virus sampling tube, tube can be transported to the laboratory at 2-8ºC within 2 days. If it can not be delivered to the laboratory within 48hours, it should be stored at-70ºC or below, and ensure that the collected specimens are delivered to the laboratory within 1 week. Avoid repeated freeze-thaw cycles. For best performance, complete testing within 24 hours.
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