We explore the possibility of obtaining unidirectional current in a symmetric (periodic) potential system without the application of any obvious (apparent) externally applied bias. There are many physical models proposed to accomplish this nonequilib-rium effect. In the present work we consider inhomogeneous systems so that the friction coefficient and/or temperature could vary in space. We fin...

One of the factors that influence plant growth and development is use planting media. In this study, we will provide information on suitable media for cactus (Gymnocalycium damsii) in various treatments using growing including compost, cocopite, roasted husks sand, which were compared to 7 treatments. This research was conducted October 2022 experimental trial method observations made 3 weeks. ...

- This research aims to study the appropriate growing media for growth of cacti that can reduce production costs and promote cacti’s growth. The used four genera cacti, i.e., Gymnocalycium, Astrophytum, Mammillaria, Echinopsis, which were famous in commercial market Thailand. experimental design was completely randomized designs (CRD) with different three replications; T1) fermented rain tree l...

We report that the fast droplet transport without additional energy expenditure can be achieved on the spine of cactus (Gymnocalycium baldianum) with the assistance of its special surface structure: the cactus spine exhibits a cone-like structure covered with tilted scales. A single scale and the spine surface under it cooperatively construct a splayed capillary tube. The arrays of capillary tu...

The Cactaceae family makes use of different strategies, both physiological and biochemical, for anatomical adjustments that allow them to grow reproduce in arid environments. Morphological studies Gymnocalycium have been scarce, the anatomy phytochemistry are still largely unknown. aim present work was analyze structural, physiological, biochemical features marianae G. oenanthemum, two endemic ...