Results 21 to 30 of about 20,741,660 (302)

Palaeogeography of China

open access: yesJournal of Palaeogeography, 2012
Palaeogeography is a science that studies the features and evolution of physical geography in geological history and human history. The palaeogeography of China has multiple disciplines and multiple types of palaeogeographic map. These perfectly reflect “
Feng Zengzhao   +2 more
doaj   +1 more source

Quantitative lithofacies palaeogeography

open access: yesJournal of Palaeogeography, 2014
Quantitative lithofacies palaeogeography is an important discipline of palaeogeography. It is developed on the foundation of traditional lithofacies palaeogeography and palaeogeography, the core of which is the quantitative lithofacies palaeogeographic ...
Zeng-Zhao Feng   +9 more
doaj   +1 more source

Radial Force-Current Characteristics Analysis of Three-Pole Radial-Axial Hybrid Magnetic Bearings and Their Structure Improvement

open access: yesEnergies, 2016
The radial stator of three-pole radial-axial hybrid magnetic bearings (HMB) has three magnetic poles and the three magnetic poles are driven by a three-phase converter, so the three-pole radial-axial HMB has the advantages of compact structure, low cost,
Jintao Ju, Huangqiu Zhu
doaj   +1 more source

Geochemical Characteristics of Three Hot Springs from Western Thailand

open access: yesApplied Environmental Research, 2020
At present a total of 118 hot springs are distributed throughout Thailand. Several studies with a focus on high-temperature hot springs related to geothermal resources were conducted in the northern and southern part of the country.
Thiwat Rattanawong   +3 more
doaj   +7 more sources

Diagnostic imaging characteristics of ureteral pseudodiverticulosis in three dogs

open access: yesVeterinární Medicína, 2018
Ureteral pseudodiverticulosis is rarely reported in veterinary medicine. This case study aimed to describe the radiographic, ultrasonographic and computed tomographic findings for dogs with radiologically confirmed ureteral pseudodiverticulosis.
S. Lim   +5 more
doaj   +1 more source

Dual Alternative Algebras in Characteristic Three [PDF]

open access: yesCommunications in Algebra, 2014
7 pages, to appear in Communications in ...
openaire   +3 more sources

Genetic characteristics of three Baltic Zostera marina

open access: yesOceanologia, 2014
We performed genetic analyses of three Baltic eelgrass (Zostera marina) populations in Puck Bay (PB), Cudema Bay (CB) and Greifswalder Bodden (GB). The aim of this study was to identify the eelgrass population genetically closest to that from the PB ...
Magdalena Gonciarz   +2 more
doaj   +1 more source

Acetaminophen use and risk of asthma, rhinoconjunctivitis, and eczema in adolescents: International study of asthma and allergies in childhood phase three [PDF]

open access: yes, 2011
Rationale: There is epidemiological evidence that the use of acetaminophen may increase the risk of developing asthma. Objectives: To investigate the risk of asthma and other allergic disorders associated with the current use of acetaminophen in 13- to ...
Christopher K. W. Lai   +30 more
core   +1 more source

Function Field Sieve in Characteristic Three [PDF]

open access: yes, 2004
In this paper we investigate the efficiency of the function field sieve to compute discrete logarithms in the finite fields \(\mathbb{F}_{3n}\). Motivated by attacks on identity based encryption systems using supersingular elliptic curves, we pay special attention to the case where n is composite.
Robert Granger   +4 more
openaire   +2 more sources

Terminal anorexia nervosa: three cases and proposed clinical characteristics

open access: yesJournal of Eating Disorders, 2022
Background Most individuals with eating disorders will either recover, settle into an unrecovered but self-defined acceptable quality of life, or continue to cycle from crisis to relative stability over time.
Jennifer L. Gaudiani   +2 more
doaj   +1 more source

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