Semiautomatic machine for making cores

I. A. Vorob'ev; E. P. Lomaka

doi:10.1007/bf01156194

Semiautomatic machine for hardening high-speed steel end mills

Metal Science and Heat Treatment ◽

10.1007/bf00736576 ◽

1985 ◽

Vol 27 (2) ◽

pp. 94-95

Author(s):

N. M. Raznikov ◽

A. I. Kopenkin

Keyword(s):

High Speed ◽

High Speed Steel ◽

Semiautomatic Machine ◽

End Mills

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A semiautomatic machine for grinding lightweight refractory parts

Refractories ◽

10.1007/bf01387389 ◽

1984 ◽

Vol 25 (1-2) ◽

pp. 50-53

Author(s):

D. G. Vizhunov

Keyword(s):

Semiautomatic Machine ◽

Lightweight Refractory

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Fettling porcelain flatware on a semiautomatic machine

Glass and Ceramics ◽

10.1007/bf00677795 ◽

1970 ◽

Vol 27 (7) ◽

pp. 434-434

Author(s):

N. P. Belyi ◽

N. F. Saul'

Keyword(s):

Semiautomatic Machine

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Minority Migrations and the Diffusion of Technology

The Journal of Economic History ◽

10.1017/s0022050700085090 ◽

1951 ◽

Vol 11 (4) ◽

pp. 347-360 ◽

Cited By ~ 15

Author(s):

Warren C. Scoville

Keyword(s):

Production Function ◽

Model Building ◽

Semiautomatic Machine ◽

New Production ◽

Foreign Markets ◽

Diffusion Of Technology ◽

Building Activities ◽

Innovation And Diffusion ◽

First Time ◽

And Diffusion

The process of technical change from the economist's viewpoint may be broken down into three phases: invention, innovation, and diffusion. Invention, or the increase in technological possibilities, is the discovery or perception of new configurations of technical processes or principles that alter the array of possible production functions. An innovation consists of using any given production function for the “first” time. Diffusion is basically imitative and involves the gradual replacement of old methods by the new. One example will suffice to illustrate these distinctions. The invention of the automatic bottle machine consisted of the conception, experimentation, and model-building activities of Michael J. Owens; the pioneering efforts of the entrepreneurs at Toledo, Ohio, to demonstrate that the new production function was both practical and economically feasible constituted the innovational phase; and the gradual replacement of hand-blown and semiautomatic machine methods by the new process in both American and foreign markets involved diffusion.

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Toward a Semiautomatic Machine Learning Retrieval of Biophysical Parameters

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing ◽

10.1109/jstars.2014.2298752 ◽

2014 ◽

Vol 7 (4) ◽

pp. 1249-1259 ◽

Cited By ~ 47

Author(s):

Juan Pablo Rivera Caicedo ◽

Jochem Verrelst ◽

Jordi Munoz-Mari ◽

Jose Moreno ◽

Gustavo Camps-Valls

Keyword(s):

Machine Learning ◽

Semiautomatic Machine ◽

Biophysical Parameters

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Strength of the flexural joint of mortar joints and solid fired clay brick prisms

Journal of Physics Conference Series ◽

10.1088/1742-6596/2139/1/012017 ◽

2021 ◽

Vol 2139 (1) ◽

pp. 012017

Author(s):

N Afanador García ◽

G Guerrero Gómez ◽

C Nolasco Serna

Keyword(s):

Compressive Strength ◽

Standard Deviation ◽

Flexural Strength ◽

Coefficient Of Variation ◽

Force Measurement ◽

Research Work ◽

Simple Random Sampling ◽

Design Parameters ◽

Semiautomatic Machine ◽

Clay Brick

Abstract Masonry constructions built with mortar and solid fired clay bricks are subject to: high cement content, excessive water-cement ratio causing problems of mortar shrinkage during curing and differential movements between the brick and mortar caused by movements due to wind or seismic events. Earth movements generate some failures in simple masonry walls and confined masonry in solid brick joints, mainly with failure inclination angles varying from 45 degrees to 50 degrees. The objective of this research work was to estimate the flexural bond strength of the mortar joint and the solid fired clay brick and thus establish design parameters for non-structural masonry in the municipality of Ocanña, Colombia. From the fired clay brick manufacturers, 18 in total, simple random sampling was used to determine the sample size, 4 manufacturers were randomly selected. In addition, the characterization of the solid fired clay brick units was carried out with respect to their compressive strength, initial absorption rate and final absorption, as well as the mortar with respect to its compressive strength at 28 days, according to the Colombian standard for earthquake resistant constructions; for the determination of the flexural strength of the bonding mortar and solid brick units, a semiautomatic machine for flexural strength testing of masonry units, Pinzuar model PC-13, with a force measurement of 1000 N and an accuracy of 0.1 N, was designed. The flexural strength at the masonry joint was obtained for mortar type M with a value of 0.26 MPa, with a standard deviation of 0.01 MPa and a coefficient of variation of 4.72%. As for mortars type N and S, the average strength value was equal to 0.24 MPa for the two types of mortar, with standard deviation of 0.03 MPa and 0.01 MPa respectively, and coefficient of variation of 11.4% and 3.18% respectively. Given the importance of the variables, an interpretation of physical of the relationship between the properties was made: compressive strength of the solid fired clay brick and flexural strength at the masonry joint, since their average values were similar.

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