Results 121 to 130 of about 1,377,098 (387)
Historical Consciousness and Representations of the Political Identity of Young People in MERCOSUL [PDF]
El presente artículo tiene por objetivo analizar cómo estudiantes de quince años de edad y de países vecinos -Brasil, Argentina y Uruguay- poseen distintas nociones de carácter político-identitario.
Cerri, Luis Fernando+2 more
core
In this study, how friction‐welding parameters (rotational speed, etc.) affect the morphology, distribution, and local thickness of the intermetallic compound layer (IMC‐layer) in friction‐welded steel‐aluminum hybrid components is investigated. In the results, it is shown that lower speeds (700 rpm) lead to a more uniform, thinner IMC‐layer (<0.5 μm),
Christoph Kahra+6 more
wiley +1 more source
THE FIRST PERMANENT MOLAR [PDF]
In 1887, Dr. Andrieu of Paris read a paper before the section on dental and oral surgery of the Ninth International Medical Congress, advocating the extraction of the first permanent molars. His argument was based on the fact that 75 per cent, of these teeth decay.
openaire +2 more sources
Molar Incisor Hypomineralization, Prevalence, and Etiology
Aim. To evaluate the prevalence and possible etiological factors associated with molar incisor hypomineralization (MIH) among a group of children in Jeddah, Saudi Arabia. Methods.
S. Allazzam, S. Alaki, Omar A El Meligy
semanticscholar +1 more source
Hydrostatic bearings excel in high‐precision applications, but their performance hinges on a continuous external supply. This study evaluates various material combinations for sliding surfaces to mitigate damage during supply failures or misalignment and to discover the most effective materials identified for enhancing the reliability and efficiency of
Michal Michalec+6 more
wiley +1 more source
This perspective article explores an innovative powder metallurgical approach to producing high‐nitrogen steels by utilizing a mixture of stainless steel and Si3N4. This mixture undergoes hot isostatic pressing followed by direct quenching. The article also examines adapting this method to laser powder bed fusion (PBF‐LB/M) to overcome nitrogen ...
Louis Becker+5 more
wiley +1 more source
Dental caries characteristics in the first permanent molar in school age children.
Background: Dental caries is one of the main health problems in children. The first permanent molar presents caries more frequently than any other. Objective: To describe the characteristics of dental caries in the first permanent molars in children ...
Yoel González Beriau+3 more
doaj
Introduction: Nonmetric dental traits have a crucial role in ethnic classification of populations that help in forensic racial identification. Many studies have demonstrated the differences in the expression and frequency of dental traits between various
Vaishali Amarlal Sadhwani+5 more
doaj +1 more source
Multiple unilateral accessory mandibular foramina- a case report
Accessory foramina in the mandible are known to transmit branches of nerves supplying the roots of the teeth. The mandibular foramen is present on the inner surface of the ramus of the mandible which transmits the inferior alveolar nerve.
Seema, Anupama Mahajan
doaj +1 more source