Results 21 to 30 of about 4,203,928 (297)

Parametric and numerical modeling tools to forecast hydrogeological impacts of a tunnel

open access: yesAcque Sotterranee, 2022
The project of interest involving a hydroelectrical diversion tunnel through a crystalline rock massif in the Alps required a detailed hydrogeological study to forecast the magnitude of water inflows within the tunnel and possible effects on groundwater
Valentina Vincenzi   +3 more
doaj   +1 more source

Technology education in New Zealand [PDF]

open access: yes, 2002
Technology is one of the seven essential learning areas included to achieve the knowledge and understanding that all New Zealanders need to acquire (Ministry of Education, 1993). Responsibility for the implementation of these curricula rests with schools
Forret, Michael   +2 more
core   +1 more source

Spring technique for correction of multilevel deformity using hexapod external fixator

open access: yesJournal of Limb Lengthening & Reconstruction, 2018
Context: Osteotomies in several parts of one long bone are recommended for correction of a long, curved, and wide-angled deformity. Hexapod external fixators (HEFs) allow for the single-stage correction of multiplanar deformity, but they are heavy ...
Leonid N Solomin   +5 more
doaj   +1 more source

Mapping the information-coping trajectory of young people coping with long term illness: An evidence based approach [PDF]

open access: yes, 2013
Purpose - Purpose: We explore the relationship between information and coping information from the experiences of young people coping with long term illness.
Sen, B.A., Spring, H.
core   +1 more source

An improved model for shield tunnels with double-layer linings and its application in engineering

open access: yesYantu gongcheng xuebao, 2021
An improved model for shield tunnels with double-layer linings is proposed. It can reflect the nonlinear characteristic of bending stiffness of segment joints and the failure mechanism of compression and shear springs between segments and secondary ...
WANG Jun 1, XU Guo-wen 2, WEI Yan-qing 1, HE Jia 1, HE Chuan 2, WANG Shi-min 2
doaj   +1 more source

Пейзаж в творчестве Леонарда Туржанского

open access: yesИскусство Евразии, 2017
Леонард (Леонид) Викторович Туржанский (1875-1945) – один из интереснейших русских художников начала XX века. Его небольшие работы, написанные непосредственно с натуры, отличаются точной и тонкой передачей определенного конкретного состояния природы. Они
Филиппова, О.Н.
doaj   +1 more source

The construction of synthetic maps of groundwater vulnerability on the example of catchment area of Žilůvky stream

open access: yesActa Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2007
The term “vulnerability of groundwater to contamination” was introduced by French hydrogeologist J. Margat in the late 1960s. The idea of describing the degree of vulnerability of groundwater to contaminants as a function of hydrogeological conditions by
Kristýna Kubová, Tomáš Mikita
doaj   +1 more source

Cloud Microphysical Properties of a Typical Spring Hail Event in Yunnan

open access: yes应用气象学报
Synoptic conditions and microphysical formation mechanisms for hail events form the basis for investigating hail suppression technology. There are few relevant studies on hail formation mechanisms in spring in southern China.
Zheng Jiao   +4 more
doaj   +1 more source

The effect of vernal solar UV radiation on serum 25-hydroxyvitamin D concentration depends on the baseline level: observations from a high latitude in Finland

open access: yesInternational Journal of Circumpolar Health, 2017
Humans obtain vitamin D from conversion of 7-dehydrocholesterol in the skin by ultraviolet B (UVB) radiation or from dietary sources. As the radiation level is insufficient in winter, vitamin D deficiency is common at higher latitudes.
Toni Karppinen   +9 more
doaj   +1 more source

Leaf color change and its correlation with pigment content in 10 ornamental crabapple varieties in spring

open access: yes浙江大学学报. 农业与生命科学版, 2020
In order to explore the varieties of ornamental crabapples with color leaves and a long viewing period in spring and the influence of pigment content on the leaf color, 10 ornamental crabapple varieties, Malus ‘Black Jade’, Malus ‘Pink Spires’, Malus ...
HAN Wenxue   +6 more
doaj   +1 more source

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