Results 51 to 60 of about 109,234 (184)

Integration of FDM and self-healing technology: evaluation of crack sealing by durability and mechanical strength

Materials Research Express, 2023
The tensile zone of concrete is prone to cracking due to its limited ability to withstand tension. To address this issue, steel reinforcement is used in these specific regions.
Noor A Hameed, Farhad M Othman, Alaa A Abdul-Hamead   +2 more
doaj   +1 more source

The use of cone beam computed tomography in diagnosis and surgical management of a case of internal root resorption: A case report

Journal of Craniomaxillofacial Research, 2016
This study represents a case of extensive perforating internal root resorption in tooth 7 in 22-yearold female, with a history of trauma in the anterior segment of maxilla in childhood.
Samane Javanmardi, Alireza Adl, Mohsen Bahmani   +2 more
doaj  

A clinical case concerning an extraordinary maxillary second molar having two separate palatal roots

Clinical Case Reports
Key Clinical Message Main objective of root canal therapy is to locate all the canals, cleaning and shaping, and obturation to obtain fluid tight seal. Failure to locate all canals can lead to the failure of root canal therapy. Abstract Variation of pulp
Aishwarya A. Kottur, Abdul Mujeeb, Niher Tabassum Siddiqua Snigdha, Mohmed Isaqali Karobari   +3 more
doaj   +1 more source

Fabrication of Cu-Doped Diamond-like Carbon Film for Improving Sealing Performance of Hydraulic Cylinder of Shearers

C
During shearer operation, the piston rod is susceptible to wear from the invasion of pollutants, thus ruining the sealing ring in the hydraulic cylinder.
Yanrong Yang, Xiang Yu, Zhiyan Zhao, Lei Zhang   +3 more
doaj   +1 more source

Fiber Post Removal Using a Conservative Fully Guided Approach: A Dental Technique

Case Reports in Dentistry, 2022
This report describes the usefulness of an endodontic template for the removal of a fiber post. A 40-year-old man presented with discomfort in the maxillary left canine.
Abdullah Alfadda, Abdulmohsen Alfadley, Ahmed Jamleh   +2 more
doaj   +1 more source

Adaptation of ion beam technology to microfabrication of solid state devices and transducers [PDF]

A number of areas were investigated to determine the potential uses of ion beam techniques in the construction of solid state devices and transducers and the packaging of implantable electronics for biomedical applications.
Topich, J. A.
core   +1 more source

Nonelastomeric Rod Seals for Advanced Hydraulic Systems [PDF]

Advanced high temperature hydraulic system rod sealing requirements can be met by using seals made of nonelastomeric (plastic) materials in applications where elastomers do not have adequate life.
Hady, W. F., Waterman, A. W.
core   +2 more sources

Design of electron beam welded joints between stainless steel and Co-based superalloy: Revealing an incomplete γ → ε transformation mechanism

Journal of Materials Research and Technology
This study proposes a novel approach to electron beam welding of AISI 410L ferritic stainless steel and NS163 Co-based superalloy, exploring the mechanism of compositional influence on the γ → ε martensite transformation during rapid solidification ...
Xin Wen, Xinyu Gao, Shichang Qiao, Fengzhen Wang, Zhikang Xia, Na Li, Yongqiang Wang, Shuai Liu, Chao Yuan   +8 more
doaj   +1 more source

High speed corner and gap-seal computations using an LU-SGS scheme [PDF]

The hybrid Lower-Upper Symmetric Gauss-Seidel (LU-SGS) algorithm was added to a widely used series of 2D/3D Euler/Navier-Stokes solvers and was demonstrated for a particular class of high-speed flows.
Coirier, William J.
core   +1 more source

Index to NASA Tech Briefs, January - June 1966 [PDF]

, 1966
Index to NASA technological innovations for January-June ...

core   +1 more source