نتایج جستجو برای: reprecipitation
تعداد نتایج: 236 فیلتر نتایج به سال:
We report the synthesis, electrochemical and photophysical characterization, and electrogenerated chemiluminescence (ECL) of a fluorescent molecule (Azide-BTA) and its NPs. Azide-BTA is a C2-symmetric donor acceptor (DA) compound, consisting of two 2,1,3-benzothiadiazole groups as the acceptors and triphenylamine as the donors bridged by a fluorene moiety (Scheme 1). The compound is a D A π A D...
The effects of dissolution the η′ phase by solution treatment on mechanical properties A7075-T6 alloy were investigated. Immediately after T6 sheet at 450 oC or higher, elongation significantly increased and occurred. is main hardening phase. After natural-aging, GPI, which coherent with aluminum matrix, was formed strength increased. When bake natural-aging performed, yield slightly due to par...
In this work, the structure formation of powder diamond-containing coatings with Sn-Cu-Co binders during sintering specially-shaped grinding wheels has been studied. The kinetics was studied using diamond-free metallic and samples. Powder components were mixed an organic plasticizer applied on steel workpieces by rolling. Sintering performed in vacuum at 700–820 °C. microstructure, phase compos...
Episodic tremor and slow slip (ETS) downdip of the subduction seismogenic zone are poorly understood behaviors seismic cycle. Talc, a common metasomatic mineral at interface, is suggested to host but this hypothesis has not been tested in rock record. We investigate actinolite microstructures from talc-bearing talc-free rocks exhumed depths modern ETS (Pimu'nga/Santa Catalina Island, California...
Magnetite is a representative ore mineral found in various deposits. The trace element composition of deposits controlled by several physiochemical factors such as temperature, pressure, and oxygen or sulfur fugacity. chemical behavior Germanium (Ge) distinct different environments. Consequently, the patterns Ge magnetite can be used to infer provenance conditions. This study focuses on from Wu...
A major application limit for lead halide perovskite nanocrystals (NCs) is the presence of highly toxic element, raising critical concerns environmental pollution and health problems. To address this issue, tin NCs have been pushed to forefront research owing their eco-friendly merit tantalizing photophysical properties. In Review, we critically summarize assess latest advances in synthesis app...
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