Results 121 to 130 of about 2,220,882 (376)

Could phosphite be a new fungicide for organic farming? [PDF]

open access: yes, 2007
Quote from the article "Potassium phosphite, also called «phosphonate», is a salt of phosphonic acid with the formula K2HPO3. It should not be confounded with phosphates, nor with the organophosphorous insecticides which are also called ...
Speiser, Bernhard, Tamm, Lucius
core  

Potassium [PDF]

open access: yesAdvances in Nutrition, 2012
Lanham-New, SA, Lambert, H, Frassetto, L
openaire   +4 more sources

Surface Modification of Sol–Gel Synthesized Ba0.85Ca0.15Zr0.1Ti0.9O3 using Stearic Acid Additives

open access: yesAdvanced Engineering Materials, EarlyView.
This study explores a novel approach to enhance the piezoelectric performance of lead‐free BCZT ceramics synthesized via the sol–gel method. By coating the BCZT powder with only a 0.69 nm stearic acid layer, the electromechanical response is significantly boosted up to 359 pC N−1, revealing promising implications for high‐performance sensor and ...
Michelle Weichelt   +6 more
wiley   +1 more source

Assessment of the Contamination Level of a Podzolized Chernozem with Nuclides in a Long-term Land Use

open access: yesAgriculture, 2019
Prolonged systematic application of mineral fertilisers contributes to increasing the yielding capacity of agricultural crops. However, it can lead to significant changes in the composition, properties and formation of agricultural soil regimes.
Hospodarenko Hrygorii   +3 more
doaj   +1 more source

High temperature properties of sodium, potassium, and cesium thirteenth progress report [PDF]

open access: yes
Thermophysical properties of sodium, potassium, and cesium at high temperatures - density of liquid potassium and vapor pressure of ...
Ewing, C. T.   +3 more
core   +1 more source

The Structural Refinement of Commercial‐Purity Copper Processed by Equal Channel Angular Pressing with Low Strain Amplitude

open access: yesAdvanced Engineering Materials, EarlyView.
Equal channel angular pressing of commercial pure copper under low strain amplitude (≈0.48) induces concurrent continuous and localized discontinuous dynamic recrystallization, forming a duplex structure influenced by strain heterogeneity and recovery. Moderate hardening after 4–12 passes results from progressive high‐angle grain boundary formation via
Paula Cibely Alves Flausino   +6 more
wiley   +1 more source

Transition properties of potassium atom

open access: yes, 2012
We report here oscillator strengths, transition rates, branching ratios and lifetimes due to allowed transitions in potassium (K) atom. We evaluate electric dipole (E1) amplitudes using an all order relativistic many-body perturbation method.
Nandy, D. K.   +3 more
core   +1 more source

POTASSIUM PERCARBONATE.

open access: yesJournal of the American Chemical Society, 1905
n ...
openaire   +2 more sources

Mechanically Adaptable High‐Performance p(SBMA‐MMA) Copolymer Hydrogel with Iron (II/III) Perchlorate for Wearable Thermocell Applications

open access: yesAdvanced Functional Materials, Volume 35, Issue 12, March 18, 2025.
A high‐performance n‐type element for quasi‐solid‐state thermocells has been introduced, outperforming conventional p‐type elements and showcasing the potential to harness body heat as an energy source or power embedded sensors. This advance significantly contributes to waste thermal energy harvesting and wearable technology, paving the way for self ...
Gilyong Shin   +10 more
wiley   +1 more source

Effect of artificial shading and soil humidity on allocation of some nutrients in the organs of wild pistachio saplings [PDF]

open access: yesمجله جنگل ایران, 2018
In order to evaluate the role of different regimes of soil humidity and light intensity on allocation pattern of nutrients in the organs of wild pistachio sapling, this research was carried out in Albroz Research Complex (Karaj, Iran) during 2014 summer.
Mohammad Hosein Sadeghzadeh Hallaj   +2 more
doaj  

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