Reduction of water content in calcium aluminate cement with/out phosphate modification for alternative cementation technique

Cementation of the secondary aqueous wastes from TEPCO Fukushima Daiichi Nuclear Power Plant is challenging due to the significant strontium content and radioactivity, leading to a potential risk of hydrogen gas generation via radiolysis of water content. The present study investigates the reduction of water content in calcium aluminate cement (CAC) with/out phosphate modification by a heat-treatment during the solidification. The reduction of water in the CAC was found restricted by the rapid formation of crystalline hydration phases, whereas the phosphate-modified system allowed the gradual reduction of water, achieving the reduction of 60% water content at 95 °C. Curing at 60–95 °C also eliminated the significant cracks found at 35 °C in the phosphate system. The possible difference in the amorphous products, NaCaPO4∙nH2O type at 35 °C and Ca(HPO4)∙xH2O type at 60–95 °C, may have contributed to the improvement in the microstructure together with the change in the pore size distribution

Assessment of Dopamine Neurotransmission in Dementia Using Positron Emission Tomography

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Cerebral Glucose Metabolic Rate in Visual Cortices Associated with Visual Dysfunction in Multi-Infarct Dementia

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A Comparative Study between Brain Atrophy and Cerebral Blood Flow in Aged Normals and Patients with Reversible Ischemic Attacks

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Hippocampal Atrophy Correlated with Decreased Cortical Glucose Metabolism in Dementia: MRI and PET Study

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Design and development of the ATLAS central solenoid magnet

The ATLAS central solenoid magnet is being constructed to provide a magnetic field of 2 T in the central tracking part of the ATLAS detector. As a key technology for a solenoid coil as thin as possible, a high-strength aluminum stabilized superconductor has been developed, achieving a yield strength of >100 MPa at 4.2 K. This paper describes the status of the design and development of the solenoid magnet. (14 refs)

(2-Methyl­phen­yl)(phen­yl)methanol

In the title compound, C14H14O, the two benzene rings are almost orthogonal [dihedral angle = 87.78 (8) °]. The hy­droxy group lies approximately in the plane of its attached benzene ring [O—C—C—C torsion angle = −17.47 (17)°], and the hydroxyl and methyl groups lie to the same side of the mol­ecule and are gauche to each other. In the crystal, a hexa­meric aggregate mediated by a ring of six O—H⋯O hydrogen bonds occurs, generating an R 6 6(12) loop

Normal Distribution of the Muscarinic Cholinergic Receptors in the Human Brain Studied with 11C-Benztropine and the Human Brain Atlas System

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