Results 11 to 20 of about 2,807,223 (263)

A Family of Energetic Materials Based on 1,2,4-Oxadiazole and 1,2,5-Oxadiazole Backbones With Low Insensitivity and Good Detonation Performance

open access: yesFrontiers in Chemistry, 2020
Design and synthesis of new compounds with both high detonation performances and good safety properties have always been a formidable task in the field of energetic materials.
Qi Xue   +10 more
doaj   +1 more source

Revisiting the Synthesis of Functionally Substituted 1,4-Dihydrobenzo[e][1,2,4]triazines

open access: yesMolecules, 2022
A series of novel 1,4-dihydrobenzo[1,2,4][e]triazines bearing an acetyl or ester moiety as a functional group at the C(3) atom of the 1,2,4-triazine ring were synthesized.
Margarita A. Epishina   +2 more
doaj   +1 more source

Health benefits of wolfberry (Gou Qi Zi, Fructus barbarum L.) on the basis of ancient Chineseherbalism and Western modern medicine [PDF]

open access: yesAvicenna Journal of Phytomedicine, 2021
Objective: Goji berry has been used for thousand years inTraditional Chinese Medicine (TCM) in China and other Asian countries as foods to promote health and as drugs to treat diseases. It has been claimed this important medicinal crop is the good source
Sun Wenli   +2 more
doaj   +1 more source

From planetary to regional boundaries for agricultural nitrogen pollution

open access: yesNature, 2022
Excessive agricultural nitrogen use causes environmental problems globally1, to an extent that it has been suggested that a safe planetary boundary has been exceeded2. Earlier estimates for the planetary nitrogen boundary3,4, however, did not account for
L. Schulte-Uebbing   +3 more
semanticscholar   +1 more source

Analysis of intermolecular interactions in homologous molecular crystals of energetic materials

open access: yesEnergetic Materials Frontiers, 2020
s: Crystal packing modes determine the energy and safety performance of energetic materials (EMs) to some extent. To deepen the understanding of the intermolecular interactions in the crystal packings, the homologous molecular crystals of energetic ...
Yilin Cao   +4 more
doaj   +1 more source

Exploring global changes in agricultural ammonia emissions and their contribution to nitrogen deposition since 1980

open access: yesProceedings of the National Academy of Sciences of the United States of America, 2022
Significance Agricultural systems are already major forces of ammonia pollution and environmental degradation. How agricultural ammonia emissions affect the spatio-temporal patterns of nitrogen deposition and where to target future mitigation efforts ...
Lei Liu   +11 more
semanticscholar   +1 more source

4-Amino-3-(1-{[amino(3-methyl-2-oxido-1,2,5-oxadiazol-4-yl)methylene]hydrazinylidene}ethyl)-1,2,5-oxadiazole 2-Oxide

open access: yesMolbank, 2022
Functionally substituted 1,2,5-oxadiazole 2-oxides (furoxans) are important pharmaceutical scaffolds used for the preparation of various pharmacologically active substances.
Margarita A. Epishina   +2 more
doaj   +1 more source

Carbonization of Biopolymers as a Method for Producing a Photosensitizing Additive for Energy Materials

open access: yesNanomanufacturing, 2023
It has been shown that defect-free Stone–Wales (SW) free few-layer graphene (FLG) can be obtained by carbonizing lignin under conditions of self-propagating high-temperature synthesis (SHS).
Mikhail Alekseevich Ilyushin   +3 more
doaj   +1 more source

Extra contribution to the crystal stability of insensitive explosive TATB: The cooperativity of intermolecular interactions

open access: yesDefence Technology, 2023
An in-depth analysis on the cooperativity of intermolecular interactions including hydrogen bonding and π-π stacking in 1,3,5-triamino-2,4,6-trinitrobenzene (TATB) crystal was studied.
Zhi-xiang Zhang   +7 more
doaj   +1 more source

Facile Preparation and Properties of Crosslinked Copolyether Elastomers with 1,2,3‐Triazole and Urethane Subunit via Click Polymerization

open access: yesChemistryOpen, 2019
An azide terminated ethylene oxide‐tetrahydrofuran copolymer with urethane segments (ATUPET) as a novel binder pre‐polymer, has been prepared through ethylene oxide‐tetrahydrofuran random copolymer (PET) end‐capping modification via one‐pot method.
Dr. Qian Zhang   +6 more
doaj   +1 more source

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