Precision Control of Radial Magnetic Bearing
AbstractThe aim of the research is to realize a radial magnetic bearing with the rotational accuracy of several nanometers. In this paper, a partial bias current method for driving electromagnets is...
View ArticleEvaluation of the sap flow using heat pulse method to determine transpiration...
AbstractThe sap flow of the sampled Populus euphratica stems at different radial depths and directions had been studied in Ejina Oasis, in the lower reaches of the Heihe River. Based on sap flow...
View ArticleReduced function and disassembled microtubules of cultured cardiomyocytes in...
AbstractLack of gravity during spaceflight has profound effects on cardiovascular system, but little is known about how the cardiomyocytes respond to microgravity. In the present study, the effects of...
View ArticleRe-evaluating the impacts of human activity and environmental change on...
AbstractThe Minqin Oasis and its adjacent regions in northern China experienced significant desertification beginning 2,000 years ago and continuing to the present, and numerous studies have claimed...
View ArticleThe Change of Land Cover/Land Use in Ejina Oasis over 20 Years
AbstractLand use and land cover change have been of great concern in global change research in recent years. Base on comparison with the remote sensing data in1982 and 2000 and field investigation, the...
View ArticleA novel PWM power amplifier of magnetic suspension spindle control system for...
AbstractConsidering the traditional power amplifier has the disadvantage of poor reliability and flexibility, a three-level pulse-width modulation (PWM) power amplifier which is based on a novel...
View ArticleComparison of three evapotranspiration models with eddy covariance...
AbstractThe accurate estimation of evapotranspiration (ET) in arid regions is important for improving the water use efficiency of vegetation. Based on successive observations from May to October of...
View ArticleEvapotranspiration of a Populus euphratica forest during the growing season...
AbstractThus far, measurements and estimations of actual evapotranspiration (ET) in extremely arid areas are still insufficient. Based on successive observations from June–September 2014, we simulated...
View ArticleComparison of leaf stomatal conductance models for typical desert riparian...
AbstractStomatal regulation plays a vital role related to plant functioning, especially with a limited water supply. Estimating the leaf stomatal conductance (gs) is pivotal for further estimation of...
View ArticleEvidences and magnitude of nighttime transpiration derived from Populus...
AbstractExtensive research has found that nighttime transpiration (En) is positively correlated to the vapour pressure deficit (VPD), that suggested En was highest during the night under high...
View ArticleA magnetic suspension spindle system for small and micro holes EDM
AbstractDue to the slow response of the traditional servo system, short circuit and electrode bending often happen in small and micro holes electrical discharge machining (EDM); these issues usually...
View ArticleComparable water use of two contrasting riparian forests in the lower Heihe...
AbstractUnderstanding forest ecosystem evapotranspiration (ET) is crucial for water-limited environments, particularly those that lack adequate quantified data such as the lower Heihe River basin of...
View ArticleMicro-holes EDM of superalloy Inconel 718 based on a magnetic suspension...
AbstractMicro-electro discharge machining (EDM) plays an important role in fabrication of micro-parts and structures such as micro-holes. However, due to the micro-discharge gap between workpiece and...
View ArticleInvestigation on machining performance of micro-holes EDM in ZrB 2 -SiC...
AbstractZirconium diboride-silicon carbide (ZrB2-SiC) ceramics are considered to be potential candidates for ultra-high temperature (> 2200 °C) applications due to unique combination of properties....
View ArticleDissociable plasticity of visual-motor system in functional specialization...
AbstractSpecialization and flexibility are two basic attributes of functional brain organization, enabling efficient cognition and behavior. However, it is largely unknown what plastic changes in...
View ArticleExperimental study of EDM characteristics using a 5-DOF controllable magnetic...
Abstract The efficiency and accuracy of conventional electrical discharge machining (EDM) are limited by the stability of the voltage between the poles. To improve the efficiency of EDM, this paper...
View ArticleEffects of afforestation by aerial sowing on topsoil physicochemical...
AbstractPurposeNowadays, the afforestation by tree planting is one of the most effective measures to combat desertification and restore the degraded land in the global. However, the effects of...
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