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السجلات المعروضة 4981 -- 4990 من 17862
A comparison of the prevalence of sexually transmitted infections among circumcised and uncircumcised adult males in Rustenburg, South Africa: a cross-sectional study.
(
BMC
, 2021 , Article)
South Africa has a persistent burden of sexually transmitted infections (STIs). Male circumcision has been shown to be effective in preventing HIV and STIs, but data are scarce on the protective effect of circumcision in ...
Novel fluorinated surfactants for enhanced oil recovery in carbonate reservoirs
(
Wiley-Liss Inc.
, 2016 , Article)
Novel surfactant‐polymer (SP) formulations containing fluorinated amphoteric surfactant (surfactant‐A) and fluorinated anionic surfactant (surfactant‐B) with partially hydrolyzed polyacrylamide (HPAM) were evaluated for ...
How Red, Blue, and Green are Affectively Judged
(
John Wiley and Sons Ltd
, 2016 , Article)
The present study aimed at examining how the colors red, blue, and green were affectively judged through three variables: dominance, arousal, and pleasure. All participants were exposed to red, blue, green, and white ...
Legacy effects of experimental environmental change on soil micro-arthropod communities
(
wiley
, 2020 , Article)
© 2020 The Authors. Global change experiments such as experimental warming and nutrient addition strongly affect the structure and functioning of high latitude and altitude ecosystems. However, it is often unknown to what ...
Decomposition rate and stabilization across six tundra vegetation types exposed to >20 years of warming
(
Elsevier
, 2020 , Article)
© 2020 The Authors Aims: Litter decomposition is an important driver of soil carbon and nutrient cycling in nutrient-limited Arctic ecosystems. However, climate change is expected to induce changes that directly or indirectly ...
Scale effects on the relationships between land characteristics and ecosystem services- a case study in Taihu Lake Basin, China
(
Elsevier
, 2020 , Article)
© 2020 Elsevier B.V. It is generally recognized that marginal changes in landscape characteristics can influence multiple ecosystem services, but the causal relationships involved are still very unclear due to lack of ...
العلّة والحكمة والتّعليل بالحكمة: دراسة مُصطلحيّة
(
جامعة الأمير عبد القادر للعلوم الإسلامية
, 2017 , Article)
هدف هذا البحث إلى بيان المعاني التي ينطلق عليها لفظ العلّة والحكمة والتّمييز بينها، كما هدف إلى بيان معنى التّعليل بالحكمة وما يقابله من التّعليل بالـمَظِنّة. وبالاستقراء والتّحليل توصّل الباحث إلى أنّ لفظ العلّة في اللغة ...
A survey on service function chaining
(
Academic Press
, 2016 , Article)
Cloud computing is gaining significant attention and virtualized datacenters are becoming popular as a cost-effective infrastructure. The network services are transitioning from a host-centric to a data-centric model moving ...
Synthesis, Vibrational (IR), Thermal analysis and Quantumchemical Study of a Series of Cyclic Chalcones
(
Wiley-Blackwell
, 2016 , Article)
In this work, the influence of expanding the cyclic ring (adding methylene group) on the properties of three dimethylamino chalcones derivatives (1-3), is addressed, using a combined experimental (vibrational spectra (IR), ...
Effects of ambient climate and three warming treatments on fruit production in an alpine, subarctic meadow community
(
Wiley
, 2021 , Article)
Premise
Climate change is having major impacts on alpine and arctic regions, and inter‐annual variations in temperature are likely to increase. How increased climate variability will impact plant reproduction is ...