Results 71 to 80 of about 13,578,556 (251)

Inductively Expandable Supraparticles as Microscopic Force Generators for Remote Mechanical Actuation

open access: yesAdvanced Materials, EarlyView.
This study demonstrates the combination of magnetic nanoparticles and functional blowing agents into supraparticles. Upon induction heating, they actuate via rapid gas generation or extensive volume expansion. These supraparticles lift up to 25 000 times their own mass and rapidly open cured epoxy resins, providing a versatile strategy for fast micron ...
Leoni Luthardt   +3 more
wiley   +1 more source

Equivalent Orbitals of NH, NH2 and NH3 [PDF]

open access: yes, 1966
Equivalent orbitals of NH, NH2 and NH3 have been d erived using the procedure based on the criterion of maximum overlap, from LCAO SCF MO's by Higuchi. Lone pair EO obtained from such a method contain no contribution from the hydrogen (1 s) orbitals,
N. Trinajstić, Trinajstić, N.
core   +1 more source

Impact of atmospheric ammonia on growth, C and N accumulation and photosynthesis of two maize cultivars with different N root supply

open access: yesPlant, Soil and Environment, 2011
Impact of enriched atmospheric NH3 in combination with low and high N medium on growth, total C and N accumulation (CtotA and NtotA) and photosynthetic characteristics of two maize cultivars i.e. SD19 (cult. 1) and NE5 (cult. 2) with low N and N high use
L.X. Zhang, H. Qiang, S.Q. Li, X.L. Chen
doaj   +1 more source

How “Green” is Your Functional Material? Assessing Environmental Impacts of Multi‐Step Synthetic Protocols in Material Sciences at Various Technology Levels

open access: yesAdvanced Materials, EarlyView.
Environmental Synthesis Radar (ESR) evaluates the environmental impact of (early‐stage) multi‐step chemical syntheses, providing a holistic view by using 18 midpoint impact categories. Unlike conventional life‐cycle assessment (LCA) approaches, ESR reveals three complementary metrics: overall impact Vtotal, environmental hotspots VEF, and critical ...
Laura Plein   +8 more
wiley   +1 more source

A dataset for 15N natural abundance of soil ammonia volatilization

open access: yesScientific Data
Investigating the sources of ammonia (NH3) in the atmosphere and the contribution of each source is essential for environmental pollution control. The presented dataset aims to provide 15N natural abundance (δ15N) data collected from different controlled
Lingyun Peng   +6 more
doaj   +1 more source

A Cu2S/NiOOH Heterojunction Enables Highly Selective Ammonia‐to‐Nitrite Electrooxidation at Industrially Relevant Current Densities

open access: yesAdvanced Materials, EarlyView.
Cu2S/NiOOH heterojunction enables efficient ammonia electrooxidation coupled with hydrogen evolution. Interfacial electronic modulation of Ni sites promotes selective NH3‐to‐NO2− electrooxidation at high current density. In a membrane electrode assembly, Cu2S/NiOOH maintains over 90% Faradaic efficiency of nitrite at 800 mA cm−2, highlighting its ...
Ke Wang   +13 more
wiley   +1 more source

Performance and mechanism of artificial zeolite on nitrogen removal from low C/N sewage

open access: yesGongye shui chuli
Artificial zeolite was used as an adsorbent to treat sewage with low C/N from an expressway service area. The effect of zeolite dosage on nitrogen removal from sewage was investigated.
TU Xun   +6 more
doaj   +1 more source

High pressure solid state chemistry of C-N-H and Ti-N systems [PDF]

open access: yes, 2010
This thesis presents the use of molecular precursors for the synthesis of solid-state materials through the application of extreme conditions. The main tool for the exploration of these materials was the diamond anvil cell which generated static ...
Salamat, N.
core  

Controlled Growth of Boron Nitride in Various Phases

open access: yesAdvanced Materials Interfaces, EarlyView.
Phase‐selective boron nitride growth is presented as a unified materials‐design problem across hexagonal, rhombohedral, cubic, and amorphous phases. By linking synthesis routes to thermodynamic stability, kinetic accessibility, surface diffusion, interfacial templating, and energetic activation, this review clarifies how bonding and stacking are ...
Pan Wu   +6 more
wiley   +1 more source

AS INITIO STUDYOF AMMONIA CLUSTERS: (NH3)n(n = 2-6) [PDF]

open access: yes, 2008
Hydrogen bonded neutral clusters of ammonia, (NH3)n (n = 2-6), have been theoretically investigated employing the D95++(d,p) (and wherever necessary, higher) basis sets at the Hartree-Fock (HF) level as well as with second-order MflJller-Plesset(MP2 ...
Herudi Kandau, Hanggara Sudrajat, Andreas Napitupulu, Syahrul Khairi, Zaky AI-Fatony Herman Siagian
core   +2 more sources

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