An Improved Type of Plaster Cutter

the investigation of the relationship between type a and type b personalities and quality of translation

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An Improved Type of Obstetric Bedstead

Flow Field Analysis of Cutter Head for Cutter Suction Dredgers

For a cut ter suction dredger, exploring slurry formation mechanism plays an important role for improving the dredger’s efficiency and performance. In order to optimize the dredger’s working parameters, the flow field is simulated for the cutter head of a cutter suction dredger in this study. First, Cutter’s 3D model is const ructed by 3D Modeling software after necessary parameters are collect...

An Improved Type of Microscopic Electrocataphoresis Cell

The cataphoresis cells previously described I,~ are troublesome to make and have the further disadvantage that they cannot be cleaned with cleaning solution. Dr. D, P. Morgan called the writers' attention to the fact that a flat glass capillary cell could be made by drawing out tubing sidewise as shown in Fig. 1. A 1.5 cm. test-tube is a convenient size to use. The capillary should be about 1.0...

an unusual form of silicosis in a stone-cutter

silicon dioxide or silica is the earth’s most abundant mineral. the primary pulmonary illness attributable to silica exposure is silicosis, which is observed in three forms: classic, accelerated and acute. a case of silicosis is presented in this article who has been working in a stone-cutting plant. he had suffered from symptoms of silicosis one year after employment in this plant (acute form)...