Quantum chemistry applies quantum mechanics to the theoretical study of chemical systems. It aims, in principle, to solve the Schrödinger equation for the system under scrutiny; however ...

KBR, Inc. KBR has secured a significant global agreement with BP International Limited to provide engineering, procurement, and construction management (EPCM) services. This three-year agreement ...

Welcome to the Department of Chemistry and Biochemistry at WKU. Chemistry is often referred to as the “central science” because it helps connect the physical sciences and life sciences. We offer ...

KBR (KBR) is reiterating its 2027 financial targets, introduced at its May 2024 Investor Day which are based on 2023 baseline year. Specifically, the company expects to achieve: KBR Consolidated ...

Physical chemistry is one of the traditional sub-disciplines of chemistry and is concerned with the application of the concepts and theories of physics to the analysis of the chemical properties ...

The 1,2-dihydro-acenaphtylene-1,2-dione (1.82 g, 10 mmol) was dissolved in 25ml of ethanol and 1ml of conc. HCl and then added to a suspension of 4-amino-3-hydrazino-5-mercapto-1,2,4-triazole (2.92 g, ...

Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa (ITQB NOVA), Av. da República, 2780-157, Oeiras, Portugal ...

Infrared (IR) spectra were recorded on the Perkin Elmer Spectrum RXI FTIR spectrophotometer in the KBr phase. Mass spectra were carried out using Agilent 7000 triple quadrupole mass spectrometer at an ...

Crop disease, caused by fungi, bacteria, viruses, and nematodes and parasitic seed plants, can effect on the biological or non-biological factors of plants causing the phenomenon of a series of ...