نتایج جستجو برای: brown fields
تعداد نتایج: 293849 فیلتر نتایج به سال:
The formation and evolution of brown dwarfs are currently ”hot topics” in cool star research. Latest observations and modeling efforts on disks, accretion, outflows, spatial distribution, and binarity in the context of the formation by ejection model and alternative scenarios were presented and discussed vigorously in this splinter session. A second major topic was rotation and activity of thes...
The soybean cyst nematode (SCN; Heterodera glycines) and brown stem rot (BSR) fungus (Phialophora gregata) are serious pests of soybean, occurring over a range of soil types and soil pH. Often found in the same field, management strategies implemented to control one pathogen may in fact exacerbate damage caused by the other. As soybean acreage has increased, the duration between soybean crops h...
4-tert-Octylphenol (OP), is an endocrine disruptor or surfactant widely used in herbicides. Its effects (0, 1 and 10 mg/l) on the incubation of eggs were examined using wild Japanese brown frogs (Rana japonica). In 10 mg/l OP, all the eggs were corrupted and no eggs developed. In 1 mg/l OP, 9.8% eggs developed and systemic edema, malformations such as crooked vertebrae and atrophy of the system...
The combination of adaptive optics and coronographic techniques providing at the same time high angular resolution and high dynamic range is a powerful tool to study the close environment of bright objects in different fields of astrophysics (search for brown dwarfs and giant extra-solar planets around nearby stars, search for circumstellar disks, study of AGB outflows, etc). We present in this...
The current article, the most recent in this collection, was selected because it is the first to explicitly analyze NIME community. The authors base their analysis on the theoretical frameworks of ‘situated learning’ (SL) and ‘communities of practice’ (CoP), which have long enjoyed broad influence in fields related to the sociology of learning, knowledge, and innovation. It may be helpful to re...
Isotianil (3,4-dichloro-2'-cyano-1,2-thiazole-5-carboxanilide) is a new plant-activating pesticide. Usage of the pesticide was approved for rice fields in 2010 and its production increased 400 times (2 × 10(4) kg) in the next year. In this work, a method for determining isotianil in brown rice and rice field soil was investigated for the first time. Isotianil was extracted by supercritical flui...
We investigate the microphysics of supersymmetric cosmic strings. In particular we focus on the vortices admitted by N = 1 supersymmetric abelian Higgs models. We find the vortex solutions and demonstrate that the two simplest supersymmetric cosmic string models admit fermionic superconductivity. Further, by using supersymmetry transformations, we show how to solve for the fermion zero modes gi...
We report the statistical properties of stars, brown dwarfs and multiple systems obtained from the largest hydrodynamical simulation of star cluster formation to date that resolves masses down to the opacity limit for fragmentation (a few Jupiter masses). The simulation is essentially identical to that of Bate, Bonnell & Bromm except that the initial molecular cloud is larger and more massive. ...
Brown dwarf formation and star formation efficiency are studied using a nested grid simulation that covers five orders of magnitude in spatial scale (10– 0.1AU). Starting with a rotating magnetized compact cloud with a mass of 0.22M⊙, we follow the cloud evolution until the end of main accretion phase. Outflow of ∼ 5 km s emerges ∼ 100 yr before the protostar formation and does not disappear un...
Different members of the TAF family of proteins work in differentiated cells, such as motor neurons or brown fat cells, to control the expression of genes that are specific to each cell type.
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