نتایج جستجو برای: frosts
تعداد نتایج: 251 فیلتر نتایج به سال:
Abstract Frosts cause serious damage to fruit and vegetable crops. In Poland, temperature decreases, the occurrence of inflow (advective) frosts most often fall during flowering period, i.e., in a phase extremely important for development plant. For orchards, this causes inflorescences early trees (cherries, plums certain varieties apple pear trees) freeze. A modern idea reducing frost losses o...
With the use of a surface-scattering machine, layers of 27+/-4 nm diborane (B2H6) frosts were irradiated at 10 K and 10(-10) Torr with energetic electrons. The electrons induce a unimolecular decomposition of the diborane molecules and lead to boron-hydrogen bond rupture processes. Here, we report the first infrared spectroscopic detection of the monobridged diboranyl radical (B2H5, C2v) via th...
Agricultural crops have damaged a lot due to the aftermath of late spring frost, and because low temperatures have damaging effects on agricultural production, it is essential to anticipate and prevent potential damages. Often, atmospheric temperature variations are very urgent due to the high temperature of the systems and the plants cannot adapt themselves with severe oscillations and, have b...
The Observatoire pour la Minéralogie, l'Eau, les Glaces, et l'Activité (OMEGA) investigation, on board the European Space Agency Mars Express mission, is mapping the surface composition of Mars at a 0.3- to 5-kilometer resolution by means of visible-near-infrared hyperspectral reflectance imagery. The data acquired during the first 9 months of the mission already reveal a diverse and complex su...
The goal of the research is to study effectiveness use adaptogenic preparations Natural Plant Complex “White Pearl” line increase yield and quality apples. objects studies were apple cultivar “Sinap Orlovsky” preparations: phytomodulator Pearl Universal Antifreeze” phytocorrector Drip Ca + Mg”. experiment used following variants: 1—control (foliar sprays with water); 2—foliar 1% solution As a r...
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