نتایج جستجو برای: valley of flowers
تعداد نتایج: 21168509 فیلتر نتایج به سال:
nitric oxide (no) is a highly reactive signaling molecule and plays a variety of physiological roles in plants. the research on the application of no to postharvest preservation of flowers and fruits shows great promise in recent years. however, the physiological mechanism of exogenous no to affect cut flowers is not very clear, and no donor treatment protected plants from damage by increasing ...
The valley degree of freedom in two-dimensional (2D) crystals recently emerged as a novel information carrier in addition to spin and charge. The intrinsic valley lifetime in 2D transition metal dichalcogenides (TMD) is expected to be markedly long due to the unique spin-valley locking behavior, where the intervalley scattering of the electron simultaneously requires a large momentum transfer t...
1. Many floral displays are visually complex, transmitting multi-coloured patterns that are thought to direct pollinators to nectar rewards. These ‘nectar guides’ may be mutually beneficial, if they reduce pollinators’ handling time, leading to an increased visitation rate and promoting pollen transfer. Yet, many details regarding how floral patterns influence foraging efficiency are unknown, a...
Background: The genus Phlomis is a member of Lamiaceae (Labiatae) family. About 10 species of this genus, among more than 100 species, are endemic to Iran. Phlomis rigida Labill. can be used as antimicrobial, anti-inflammatory, wound healing and antioxidant in drug investigations, based on literature. Objective: The aim of this study is to evaluate the composition, antioxidant, antibacterial an...
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