in the open-pit mining, one of the first decisions that must be made in production planning stage, after completing the design of final pit limits, is determining of the processing plant cut-off grade. since this grade has an essential effect on operations, choosing the optimum cut-off grade is of considerable importance. different goals may be used for determining optimum cut-off grade. one of...

According to topological quantum chemistry (TQC), a class of electronic materials has been called obstructed atomic insulators (OAIs), in which portion valence electrons necessarily have their centers located on some empty Wyckoff positions (WPs) without atom occupation the lattice. The obstruction centering these coinciding with host atoms is nontrivial and results metallic boundary states whe...

abstract background: the study was established to define the prevalence of neonatal microcytosis and to estimate the incidence rate of alpha-thalassemia as its leading cause, in tehran, iran. materials and methods: overall, 800 neonates were selected from two populations of newborns and admitted neonates. three hundred and sixty-one cord blood samples were obtained from deliveries in mahdieh ho...

Abstract Background and Aims Fabry disease is inherited in an X-linked manner which the mutated gene inhibits functioning of alpha-Galactosidase-A enzyme causing a deficiency or absence enzyme, characterizing it as progressive, lysosomal storage disorder. Subsequently, accumulation globotriaosylceramide (Gb3) lysosomes causes damage to tissues major organs. nephropathy one organ complications c...

The Hobby-Eberly Telescope Dark Energy Experiment (HETDEX) is an untargeted spectroscopic survey that aims to measure the expansion rate of Universe at $z \sim 2.4$ 1% precision for both $H(z)$ and $D_A(z)$. HETDEX in process mapping excess one million Lyman Alpha emitting (LAE) galaxies a similar number lower-z as tracer large-scale structure. success measurement predicated on post-observation...

We used transmission electron microscopy to count the organelles (dense bodies, alpha granules, and mitochondria) contained within platelets from 11 acute ischemic stroke patients and 12 healthy controls. We randomly selected for evaluation 25 platelet profiles in ultrathin sections cut from three separate blocks. Compared with those from controls, platelets from stroke patients contained signi...

The catalytic enantioselective synthesis of densely functionalised organic molecules containing all-carbon quaternary stereocentres is a challenge to modern chemical methodology research. The catalytically controlled asymmetric alpha-alkylation of ketones represents another difficult task and has been of major interest to our and other research groups in the past. We now report a palladium-cata...

We used transmission electron microscopy to count the organelles (dense bodies, alpha granules, and mitochondria) contained within platelets from 11 acute ischemic stroke patients and 12 healthy controls. We randomly selected for evaluation 25 platelet profiles in ultrathin sections cut from three separate blocks. Compared with those from controls, platelets from stroke patients contained signi...

It is well-known that Peirce’s Alpha graphs correspond to propositional logic (PL). Nonetheless, Peirce’s calculus for Alpha graphs differs to a large extent to the common calculi for PL. In this paper, some aspects of Peirce’s calculus are exploited. First of all, it is shown that the erasure-rule of Peirce’s calculus, which is the only rule which does not enjoy the finite choice property, is ...