Accounting for the relativistic spin correction angle of the deuteron during direct restoration of the amplitude for the reaction N+N?+?+d

1986 ◽  
Vol 29 (10) ◽  
pp. 788-790
Author(s):  
D. Sh. Shekhter ◽  
L. Sh. Shekhter
Keyword(s):  
Correction Angle ◽  
Relativistic Spin ◽  
Direct Restoration

ON THE PROCESSING OF HEMATITE RAW MATERIALS AT THE KRYVOROZHSK MINING AND PROCESSING PLANT OF OXIDIZED ORE ON TECHNOLOGY OF DIRECT RECOVERY ITmk3

2018 ◽  
pp. 32-37
Author(s):  
P.I. Loboda ◽  
Younes Razaz ◽  
S. Grishchenko
Keyword(s):  
Magnetic Properties ◽  
Cast Iron ◽  
Iron Content ◽  
Raw Materials ◽  
Direct Reduction ◽  
Processing Plant ◽  
High Iron Content ◽  
High Iron ◽  
Direct Restoration ◽  
First Time

Purpose. To substantiate the efficiency of processing hematite raw materials at the Krivoy Rog Mining and Processing Plant of Oxidized Ores using the direct reduction technology itmk3®. Metodology. Analysis of the results of the itmk3® direct restoration technology developed by Kobe Steel Ltd., Japan and Hares Engineering GmbX, Austria, with a view to using it to process Krivbass hematite ores into granulated iron (so-called “nuggets”). Findings. The involvement in the production of hematite ores (oxidized quartzite) of Krivbass with high iron content, but with low magnetic properties for their processing into granular cast iron is grounded. Originality. The use of itmk3® direct reduction technology from Kobe Steel Ltd., Japan and Hares Engineering GmbH, Austria for the processing of Krivbass hematite ores into granular cast iron is justified for the first time. Practical value. The efficiency of the use of hematite ores (oxidized quartzite) has been substantiated, which can significantly reduce the costs in the mining cycle for the economical production of metallurgical products.

Are Navigation Systems Accurate Enough to Predict the Correction Angle During High Tibial Osteotomy?

2013 ◽  
Vol 41 (10) ◽  
pp. 2368-2374 ◽  
Author(s):  
Bong Soo Kyung ◽  
Jae Gyoon Kim ◽  
Ki-Mo Jang ◽  
Minho Chang ◽  
Young-Wan Moon ◽  
...  
Keyword(s):  
High Tibial Osteotomy ◽  
Tibial Osteotomy ◽  
Navigation Systems ◽  
Correction Angle

scholarly journals Factors Associated with Extraction following Root Canal Filling in Adults

2021 ◽  
pp. 002203452098296
Author(s):  
H. Fransson ◽  
L. Bjørndal ◽  
F. Frisk ◽  
V.S. Dawson ◽  
K. Landt ◽  
...  
Keyword(s):  
Regression Analysis ◽  
Educational Level ◽  
Demographic Data ◽  
Adult Population ◽  
Disposable Income ◽  
Country Of Birth ◽  
Odds Ratios ◽  
Root Canal Filling ◽  
Factors Associated ◽  
Direct Restoration

Essentially, root fillings are performed to preserve natural teeth. Over time, however, some root-filled teeth will inevitably be extracted. The aim of this historical prospective cohort study in the adult Swedish population was to identify factors associated with extractions within 5 y of registration of a root filling. The cohort consisted of all those whose root fillings had been reported to the tax-funded Swedish Social Insurance Agency (SSIA) in 2009. Demographic data on the individuals registered with a root filling (sex, age, country of birth, disposable income, educational level, and marital status) were received from Statistics Sweden or the SSIA. Dental care setting, tooth type, and any registration of subsequent restorations within 6 mo were received from the SSIA. Multivariable regression analysis was used, and P < 0.05 was considered statistically significant. In total, 216,764 individuals had been registered with at least 1 root filling. Individuals ( n = 824) without complete data were excluded from the analyses. After 5 y, 9.3% of the root-filled teeth had been registered as extracted. Logistic regression analysis found significant associations for all variables except country of birth, disposable income, and educational level. The highest odds ratios for extractions were associated with the type of restoration: teeth with no registration of any restoration and teeth with a direct restoration combined with a post were 3 times more likely to undergo extraction than teeth restored with an indirect restoration combined with a post and core. Overall, high odds ratios for extractions were associated with any type of composite restoration, including composite fillings and crowns combined with or without any post. In summary, after root filling in the Swedish adult population, several individual- and tooth-specific variables were associated with extraction. The reasons for the extractions remain to be studied further.

The effect of air-polishing abrasives on wear of direct restoration materials and sealants

2010 ◽  
Vol 141 (1) ◽  
pp. 63-70 ◽  
Author(s):  
Matthias Anton Pelka ◽  
Katharina Altmaier ◽  
Anselm Petschelt ◽  
Ulrich Lohbauer
Keyword(s):  
Air Polishing ◽  
Direct Restoration

scholarly journals General-relativistic spin system

2020 ◽  
Vol 102 (12) ◽  
Author(s):  
Danilo Artigas ◽  
Jakub Bilski ◽  
Sean Crowe ◽  
Jakub Mielczarek ◽  
Tomasz Trześniewski
Keyword(s):  
Spin System ◽  
Relativistic Spin ◽  
General Relativistic

Relativistic Spin 4-vector and Spin Operator

2021 ◽  
Vol 71 (12) ◽  
pp. 1076-1081
Author(s):  
Yeong Deok HAN*
Keyword(s):  
Spin Operator ◽  
Relativistic Spin

scholarly journals Spin and pseudospin symmetries and the equivalent spectra of relativistic spin-1/2 and spin-0 particles

2007 ◽  
Vol 75 (4) ◽  
Author(s):  
P. Alberto ◽  
A. S. de Castro ◽  
M. Malheiro
Keyword(s):  
Relativistic Spin

scholarly journals Direct composite restoration of permanent anterior teeth uncomplicated crown fractures

2012 ◽  
Vol 24 (1) ◽  
Author(s):  
Ashley Evans Nicholas ◽  
Milly Armilia Andang ◽  
Opik Taofik Hidayat
Keyword(s):  
Composite Resin ◽  
Tooth Enamel ◽  
Literature Study ◽  
Traumatic Injuries ◽  
Anterior Teeth ◽  
Direct Restoration ◽  
Composite Resin Restoration ◽  
Dental Injuries ◽  
Sports Activities ◽  
Composite Restoration

An uncomplicated crown fracture is a fracture that involves only the tooth enamel or the dentin and tooth enamel without any damage or exposure to the pulp. Crown fracture of the anterior teeth usually caused by traumatic forces such as falls, accidents, violence, or sports activities. Traumatic injuries of the oral region frequently involve the anterior teeth, especially maxillary incisors due to the anatomic factors which may affect the functional and aesthetical values of the teeth. The objective of this literature study was to know more about uncomplicated crown fracture of the anterior teeth and its restoration. This research was a literature study performed by researching, highlighting various interesting facts and compiling the relevant published journals. The most common and ideal direct restoration of the anterior teeth was the composite resin restoration. The anterior teeth restoration was considered to be a complex and challenging case to solves due to the fact that besides reconstructing the tooth and regaining the function, the aesthetical aspect was also becoming the main objectives. The permanent anterior teeth uncomplicated crown fracture was the most common case of tooth fractures which was mainly caused by traumatic injuries such as falls, accidents, excessive forces, violence, and also sports activities. Dental injuries of the anterior teeth also affected the aesthetical properties and the function of the tooth. Composite resin restoration was able to performed directly on the permanent anterior teeth uncomplicated crown fracture.

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