Results 141 to 150 of about 1,343,113 (227)

Solar Roof Cooling by Evaporation

, 1980
Evaporation is nature's way of cooling. By spraying a light film of water in the form of a mist for thirty seconds, then turning the sprays off for five minutes while evaporation takes place, the roof temperature can be reduced from 1650o to 880o.
Patterson, G. V.
core  

Short‐Term Outcomes of Full Pulpotomy Compared With Root Canal Treatment for Irreversible Pulpitis: The PROVE Study

International Endodontic Journal, EarlyView.
ABSTRACT Objectives To assimilate data from individual randomised trials and perform a pooled analysis of short‐term outcomes of pulpotomy compared with root canal treatment (RCT) for teeth with symptomatic irreversible pulpitis (SIRP). Methods Randomised trials were conducted in eight countries using a standardised clinical protocol and outcome ...
I. A. El Karim, H. F. Duncan, S. G. Craig, V. Ballal, R. Narkedamalli, N. A. Taha, R. H. Albanna, P. Chompu‐inwai, T. Srisuwan, V. Yu, S. Chua, S. Saber, K. R. Foo, H. M. A. Ahmed, A. Salami, S. Cushley, M. Clarke   +16 more
wiley   +1 more source

Learning Curve of Pentaspline Pulsed‐Field Ablation With Posterior Wall Isolation for Persistent Atrial Fibrillation

Journal of Cardiovascular Electrophysiology, EarlyView.
ABSTRACT Background Pentaspline pulsed‐field ablation (PFA) has emerged as a novel modality for pulmonary vein isolation (PVI) and posterior wall isolation (PWI) in persistent atrial fibrillation (AF). However, the learning curve associated with combined PVI + PWI and the contribution of anatomical factors to acute lesion completeness remain ...
Atsuhiko Yagishita, Kazuma Iimura, Aika Iijima, Mari Amino, Yuji Ikari, Koichiro Yoshioka   +5 more
wiley   +1 more source

Synergistic mechanism and stability control of gob-side entry retaining by pressure relief and roadside filling in thick coal seams. [PDF]

Sci Rep
Shen F, Rui X, Liu C, Yang J.
europepmc   +1 more source

Assessing the microstructure of simple rhamphothecae in chickens (Aves: Galliformes: Gallus gallus domesticus)

Journal of Anatomy, EarlyView.
Simple rhamphotheca are externally homogeneous but internally are composed of several corneous layers with varying hardness. Areas under more mechanical stress such as the rostral portion and the tomia are significantly harder than other areas. Abstract Corneous sheaths on the jaws of beaked tetrapods, or rhamphothecae, are classified as simple or ...
Khanh H. T. To, Michelle R. Stocker, Tobin L. Hieronymus   +2 more
wiley   +1 more source

A novel Upward-Extended Five-Zone model for overburden failure in deep coal seams with ultra-thick Cretaceous strata. [PDF]

Sci Rep
Yin HY, Xiao Y, Fan XR, Xie DL, Wei JC, Niu HG, Zhang WJ, Han CH, Wei YQ.   +8 more
europepmc   +1 more source

Thick-film Piezoceramic Microgenerators

, 2008
Piezoelectric materials have many desirable characteristics for use in vibration energy harvesting applications. They can produce relatively high output voltages (from a few to several tens of volts) for modest levels of vibration.
White, N. M., Kok, S. L., Harris, N. R.
core  

A bristle‐nosed Jurassic ray‐finned fish (Actinopterygii) bears true dermal odontodes on its snout

Journal of Anatomy, EarlyView.
Teeth show extreme diversity, including tooth‐like dermal odontodes or “skin teeth” in many extant fishes. We describe the anatomy of enlarged tubercles on the snout of Redfieldius, an extinct early Jurassic fish. We found that the tubercles in Redfieldius are dermal odontodes that evolved independently from those of living species. Abstract Comparison
Jack Stack, Ben T. Kligman, Maranda L. Stricklin   +2 more
wiley   +1 more source

Reasonable drilling angle and technology application for pre-cracking thick-hard roofs before driving gob-side roadways in ultra-thick seams. [PDF]

Sci Rep
He F, Wu Y, Wang D, Zhang J, Tao K.
europepmc   +1 more source

Computed tomography reveals multiple origins of extreme caudal vertebral pneumaticity in sauropod dinosaurs

Journal of Anatomy, EarlyView.
Here, we present novel CT scan data of caudal vertebrae of six Middle–Late Jurassic sauropods, representing several eusauropod lineages. We synthesise these new data with a comprehensive critical appraisal of purported external and internal evidence for caudal vertebral PSP in Sauropodomorpha.
Samantha L. Beeston, Daniela Schwarz, Paul Upchurch, Stephen F. Poropat, Patrick Asbach, Philip D. Mannion   +5 more
wiley   +1 more source