Results 151 to 160 of about 121,815 (293)

The effect of different borehole spacing and detonation time difference on crack propagation in double-hole shaped charge blasting. [PDF]

PLoS One
Xu S, Wu B, Dou Z.
europepmc   +1 more source

The use of thermal imaging to assess heat generation during dental implant bed preparation in the presence of a surgical guide with an incorporated coolant channel

Journal of Prosthodontics, EarlyView.
Abstract Purpose This study evaluates the thermodynamic benefits of including an irrigation fluid channel in the design of surgical guides used for dental implant site drilling. Materials and Methods Two types of guides suitable for hosting artificial bone plates that mimic the mechanical properties of human alveolar bone were designed: a classical ...
Robert‐Angelo Tuce, Vasile Pupăzan, Monica Neagu, Stelian Arjoca, Adrian Neagu   +4 more
wiley   +1 more source

Water Fluoridation: Institutional Arrangements and Regulatory Mechanisms in Three Selected Countries

Journal of Public Health Dentistry, EarlyView.
ABSTRACT Objective To describe and compare regulatory processes for quality control of community water fluoridation (CWF) in three selected countries. Methods Documentary analysis of printed and online resources; correspondence with key informants from Brazil, the United States of America (USA), and England; countries with tradition in water ...
Paulo Frazão, Anamaria Brasilino Snellaert Tavares, Alexander J. Morris, Howard Pollick   +3 more
wiley   +1 more source

Research on the Construction of a Radial Seepage Model for Porous Media and Simulation of the Response Mechanism in Different Zones. [PDF]

ACS Omega
Wen Z, Wu H, Li Y, Yang S, Zhao Y, Guo S.   +5 more
europepmc   +1 more source

A geophysical investigation of the Roter Kamm impact crater, Namibia

Meteoritics &Planetary Science, EarlyView.
Abstract The Roter Kamm impact crater is located in the southern Namib Desert. The crater has a diameter of 2.5 km and belongs to the category of simple, bowl‐shaped impact craters, with an elevated rim of fractured target rock. The crater's interior is completely buried beneath sediments, preventing extensive surface investigations of the bedrock ...
Hannah Nienhaus, Pritam Yogeshwar, Wiebke Mörbe, Bülent Tezkan, Yajun Liu, Bufelo Lushetile, Martin Melles   +6 more
wiley   +1 more source

Investigating the source of acoustic anisotropy in the Asmari Formation, a fractured carbonate reservoir, using a well in the Southwest Iran. [PDF]

Sci Rep
Yarmohammadi S, Javaherian A, Sharifi M, Saberi MR, Mahdavi Basir H.   +4 more
europepmc   +1 more source

Creating Perforations in the Sclerotic Region of the Proximal Tibia During Total Knee Arthroplasty to Enhance Prosthesis Stability

Orthopaedic Surgery, Volume 17, Issue 5, Page 1397-1405, May 2025.
Abnormal stress in the proximal tibia modifies the bone mineral density distribution pattern, and drilling in the sclerotic region during total knee arthroplasty is correlated with enhanced prosthesis stability. ABSTRACT Objective In patients with varus deformity of the knee, the redistribution of the subchondral bone mineral density (BMD) of the tibia
Chao Sun, Chunyan Wang, Jintang Li, Chengyan Liu, Zhilin Wei, Zhiguo Bi, Yeran Li, Shuqiang Li   +7 more
wiley   +1 more source

Sandbox test setups for evaluating the performance of borehole heat exchangers: a review. [PDF]

Int J Coal Sci Technol
Zhao J, Guo Y, Xu H, Huang G, Gholami K, Hou Z, Liu WV.   +6 more
europepmc   +1 more source

Food Gifting and Household Food Security

Review of Development Economics, EarlyView.
ABSTRACT Food gifting provides an important means of risk sharing in agrarian economies where farming households have limited access to formal credit and insurance markets. Food gifting is also an important source of food for households that are struggling with food scarcity.
Shaoyan Sun, Henry An, Philippe Marcoul
wiley   +1 more source

Establishment and Application of a Theoretical Model for Gas Extraction Considering the Influence of Borehole Cross-Section Instability. [PDF]

ACS Omega
Zhang X, Liu Y, Qu Z, Gao J, Tian K, Liu Q, Hui X, Li Q.   +7 more
europepmc   +1 more source