The title complex, [Mn(C5O5)(C12H8N2)2], lies across a crystallographic twofold axis which passes through the Mn atom and bisects the croconate ligand.The two 1,10-phenanthroline (phen) ligands are arranged in a propeller manner and the local molecular geometry of the MnN4O2 unit is severely distorted 2000 bmw 528i front bumper octahedral.This may
Risks of fire occurrence in underground mines are known for a long time.Evacuation and rescue plans allow to each underground mine to 2000 bmw 528i front bumper respond and establish control in case of emergency.The primary goal of this paper is to determine the optimal system for evacuation in case of fire in underground mines and through a proces
Agricultural water management provides the basic support and guarantee for targeted poverty alleviation.This paper presents a 3E + 1 evaluation model for the performance of agricultural water management in targeted poverty alleviation based on 3E theory, which is more scientific, reasonable, and reliable.On this basis, an evaluation index 63-1561 k
A polythiourethane thermoset system based on a diisocyanate and a trithiol was investigated by dynamic rheological measurements.Strain sweep safavieh couture furniture was performed to determine the linear elastic region of the thermosetting system.The changes of characteristic parameters including elastic modulus, viscous modulus, and complex visc
Hamartoma (from the Greek language, where hamartia means defect or an error and -oma denoting a tumor or neoplasm) is a benign ryse disposable vape tumor-like mass composed of mature tissue or cells that are present in abnormal proportions or show a disorganized arrangement.Hamartomas are rarely seen in the head and neck area and especially rare in