Determination of Specific Time Variations in the Energy of the Earth’s Magnetic Potential Field from the IGRF Model

2019 ◽  
Vol 59 (5) ◽  
pp. 606-611
Author(s):  
S. V. Starchenko ◽  
S. V. Yakovleva
1966 ◽  
Vol 25 ◽  
pp. 93-97
Author(s):  
Richard Woolley

It is now possible to determine proper motions of high-velocity objects in such a way as to obtain with some accuracy the velocity vector relevant to the Sun. If a potential field of the Galaxy is assumed, one can compute an actual orbit. A determination of the velocity of the globular clusterωCentauri has recently been completed at Greenwich, and it is found that the orbit is strongly retrograde in the Galaxy. Similar calculations may be made, though with less certainty, in the case of RR Lyrae variable stars.


2021 ◽  
Vol 922 (1) ◽  
pp. 012054
Author(s):  
S Sadli ◽  
S Saleha ◽  
D Fiana ◽  
M Misrahanum

Abstract The determination of the drying temperature and time depends to the characteristic of the mushrooms. The use of low temperatures causes the mushrooms to not fully ripen, if the temperature is too high the protein contained in the mushrooms can be denatured and drying too long will change the color of the mushrooms to brown and change its taste. Research on the processing of oyster mushrooms as a raw material for natural flavoring, it is carried out to determine the quality flavoring produced through a descriptive test of the test parameters, color, aroma, taste and texture by variations the temperature 60¼C and 70¼C in drying time 6, 7 and 8 hours. The results of descriptive test of the sixth color of the flavoring have an intensity of attractive colors are light brown; Descriptive taste test F1, F2 and F5 have the intensity of the taste is rather pleasant, the umami is weak while F3, F4 and F6 have taste is quite good, umami tastes; Descriptive test of the six flavoring textures has a good intensity and; Descriptive test of the sixth aroma of flavoring has a slightly fragrant aroma intensity, the aroma of the material is not too smelly. The conclusion of the research is that temperature and drying time do not affect quality of color, aroma and texture. However, they affect the taste where the temperature 60¼C for 8 hours and a temperature of 70¼C within 7 and 8 hours have enough delicious taste with tasteful umami.


2012 ◽  
Vol 02 (04) ◽  
pp. 202-207
Author(s):  
Ivan Rampl ◽  
Lukáš Palko ◽  
Pavel Hyršl ◽  
Libor Vojtek

1974 ◽  
Vol 28 (5) ◽  
pp. 574-581 ◽  
Author(s):  
R. S. Mather

An attempt is made to summarize arguments for defining geodetic coordinates in the four-dimensional sense, in a manner that will permit their use without undue complexity over extended periods of time for geophysical and geodynamic purposes. Such arguments cannot be isolated from the consideration of techniques for position determination with the highest possible precision for other purposes that are potentially beneficial for the global community, in view of the capital expense involved. The types of observations that offer the most promise in the achievement of these goals are also a factor in the development. A simple system of reference that fulfills the basic requirements of geodetic determinations of this type is described in the context of inter-relations between the geometric and dynamic characteristics of the earth. System requirements for the implementation of such a scheme are outlined. There is disagreement on whether geodesy can contribute any data of significance in the short term, apart from that for studies of gross effects in local regions, toward understanding earthquake mechanisms. However, the overall cost-benefit-oriented geodetic requirements, calling for determinations of the highest precision, appear to warrant the maintenance of a worldwide geodetic network and associated measuring systems in a manner that would also permit the determination of those time variations in geodetic coordinates with global relevance. A historical perspective makes it mandatory that such a scheme be initiated in the next decade, in view of the favorable portents for a significant improvement in the measuring precision.


1987 ◽  
Vol 33 (4) ◽  
pp. 539-543 ◽  
Author(s):  
B Faraji ◽  
H K Kang ◽  
J L Valentine

Abstract We compared four methods for determination of glutathione peroxidase (EC 1.11.1.9) activity, using blood samples from 52 healthy volunteers. Two methods depended on direct assay of the amount of glutathione remaining at specific time intervals; the two indirect methods involved measuring the rate of disappearance of NADPH. We assessed the precision and reproducibility of each method. One of the indirect assays proved to be far superior to the other methods. Results of each of the methods were correlated with one another. We present the normal reference intervals for glutathione peroxidase activity for all four methods.


Sign in / Sign up

Export Citation Format

Share Document