Results 101 to 110 of about 6,072,472 (256)

Advancing Research on Biomaterials and Biological Materials with Scanning Electron Microscopy under Environmental and Low Vacuum Conditions

open access: yesAdvanced Engineering Materials, EarlyView.
Herein, environmental scanning electron microscopy (ESEM) is discussed as a powerful extension of conventional SEM for life sciences. By combining high‐resolution imaging with variable pressure and humidity, ESEM allows the analysis of untreated biological materials, supports in situ monitoring of hydration‐driven changes, and advances the functional ...
Jendrian Riedel   +6 more
wiley   +1 more source

A review of the causes, indicators, diagnosis and treatment of dental fluorosis

open access: yesمجله دانشکده دندانپزشکی اصفهان, 2012
Introduction: Fluorosis is defined as a special form of injury to tooth structures, which is caused by excessive intake of fluoride during tooth development.
Farnaz Moshref-Javadi   +4 more
doaj  

The Language of Delirium: Keywords for Identifying Delirium from Medical Records. [PDF]

open access: yesJ Gerontol Nurs, 2015
Puelle MR   +8 more
europepmc   +1 more source

Design and Prototyping of Topology‐Optimized, Additively Manufactured Lightweight Components for Space Robotic Systems: A Case Study

open access: yesAdvanced Engineering Materials, EarlyView.
The results demonstrate a simulation‐driven workflow that applies LSB topology optimization with additive manufacturing constraints to mission‐specific load cases, integrating European Cooperation for Space Standardization compliant verification and manufacturability to develop structurally efficient rover suspension components.
Stelios K. Georgantzinos   +11 more
wiley   +1 more source

Comparison Adenoidectomy and Adenotonsillectomy’ effect on Changes in Symptoms of Chronic Rhinosinusitis

open access: yesArmaghane Danesh Bimonthly Journal, 2013
Background & aim: Chronic rhinosinusitis is a common diagnosis in children which affects the lives of patients and their families. The purpose of this study was to compare the effectiveness of adenoidectomy with adenotonsillectomy surgery in symptom’s ...
F Behnoud   +5 more
doaj  

Inflammatory Response‐Inspired Thermochromic Shield for Pneumatic Structures

open access: yesAdvanced Engineering Materials, EarlyView.
A thermochromic shield for pneumatic structures is developed, using anhydrous sodium acetate powder and thermochromic pigment‐included solution. In this shield composed of three layers, the exothermic and thermochromic reactions, followed by the mixture of both components, occur promptly with an incident of penetrating damage as a sign of initial ...
Hyun Jae Lee, Ryuma Niiyama
wiley   +1 more source

Frequency of oral radiographs requested by dental practitioners in patients under health insurance policy coverage referring to radiology centers in Isfahan in 2010

open access: yesمجله دانشکده دندانپزشکی اصفهان, 2012
Introduction: The number of radiographies taken from patients has increased in recent years. On the other hand, the radiographic images prescribed for patients have not been evaluated in the country. The aim of the present study was to determine the type
Ehsan Hekmatian, Shabnam Seyedizadeh
doaj  

3D‐Printed Serial Snap‐Through Architectures for Programmable Mechanical Response

open access: yesAdvanced Engineering Materials, EarlyView.
A serial snap‐through architecture is realized using compact 3D‐printed von Mises truss units arranged in a staged cascade. Their geometry and boundary conditions program multistage mechanical responses with plateaux and re‐hardening regimes. An inverted‐compliance model predicts these behaviors and enables analytical design of programmable force ...
Filipe A. Santos
wiley   +1 more source

Investigation and Comparative Study Among Various Methods of Contraception Used in Erbil City

open access: yesIraqi Journal of Pharmaceutical Sciences, 2017
The objective of this study was to investigate and compare among five different methods of contraception including combined oral contraceptive pills (COC), Depot medroxyprogesterone acetate (DMPA), copper Intrauterine contraceptive device (IUCD), vaginal
Ijlal R. Abdullah   +2 more
doaj  

Removing Homocoupling Defects in Alkoxy/Alkyl‐PBTTT Enhances Polymer:Fullerene Co‐Crystal Formation and Stability

open access: yesAdvanced Functional Materials, EarlyView.
PBTTT‐OR‐R, a C14‐alkoxy/alkyl‐PBTTT polymer derivative, is of substantial interest for optoelectronics due to its specific fullerene intercalation behavior and enhanced charge‐transfer absorption. Comparing this polymer with (S) and without (O) homocoupling defects reveals that PBTTT‐OR‐R(O) forms stable co‐crystals with PC61BM, while PBTTT‐OR‐R(S ...
Zhen Liu   +14 more
wiley   +1 more source

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