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  2. Tree spiking - Wikipedia

    en.wikipedia.org/wiki/Tree_spiking

    Tree spiking involves hammering a metal rod, nail or other material into a tree trunk, either inserting it at the base of the trunk where a logger might be expected to cut into the tree, or higher up where it would affect the sawmill later processing the wood. Contact with the spike often damages saw blades, which can result in injuries, or ...

  3. Phytochemistry - Wikipedia

    en.wikipedia.org/wiki/Phytochemistry

    Phytochemistry is the study of phytochemicals, which are chemicals derived from plants.Phytochemists strive to describe the structures of the large number of secondary metabolites found in plants, the functions of these compounds in human and plant biology, and the biosynthesis of these compounds.

  4. AP Biology - Wikipedia

    en.wikipedia.org/wiki/AP_Biology

    This course is designed for students who wish to pursue an interest in the life sciences. The College Board recommends successful completion of high school biology and high school chemistry [2] before commencing AP Biology, although the actual prerequisites vary from school to school and from state to state.

  5. Biological neuron model - Wikipedia

    en.wikipedia.org/wiki/Biological_neuron_model

    The spiking neuron model by Nossenson & Messer [72] [73] [74] produces the probability of the neuron firing a spike as a function of either an external or pharmacological stimulus. [72] [73] [74] The model consists of a cascade of a receptor layer model and a spiking neuron model, as shown in Fig 4. The connection between the external stimulus ...

  6. Chemical biology - Wikipedia

    en.wikipedia.org/wiki/Chemical_biology

    An overview of the different components included in the field of chemical biology. Chemical biology is a scientific discipline between the fields of chemistry and biology.The discipline involves the application of chemical techniques, analysis, and often small molecules produced through synthetic chemistry, to the study and manipulation of biological systems. [1]

  7. ‘Serious threats’ prompt Department of Agriculture to ...

    www.aol.com/serious-threats-prompt-department...

    Spiking is a form of forest industry sabotage, according to TDF. The practice seeks a metal rod or other material hammered into a tree truck either near the base of a tree where a logger or ...

  8. Standard addition - Wikipedia

    en.wikipedia.org/wiki/Standard_addition

    Standard addition involves adding known amounts of analyte to an unknown sample, a process known as spiking. By increasing the number of spikes, the analyst can extrapolate for the analyte concentration in the unknown that has not been spiked. [2] There are multiple approaches to the standard addition. The following section summarize each approach.

  9. Branches of botany - Wikipedia

    en.wikipedia.org/wiki/Branches_of_botany

    Botany is a natural science concerned with the study of plants.The main branches of botany (also referred to as "plant science") are commonly divided into three groups: core topics, concerned with the study of the fundamental natural phenomena and processes of plant life, the classification and description of plant diversity; applied topics which study the ways in which plants may be used for ...

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