نتایج جستجو برای: the earths gravity field dedicated missions
تعداد نتایج: 16161889 فیلتر نتایج به سال:
these days, all department stores make an effort to provide their clients with valuable products in order to project the best image for them. as a result, clients’ comprehension risk will decrease and they will be more willing to repurchase. having a good image is really important for the department stores because it makes an impression on clients’ comprehension of both quality and risk. consid...
A time-like unit vector field is used to generalize Einstein's gravity. The resulting theory, called the Einstein-aether theory, consists of a minimal coupling between an aether field and gravity. Inspired by the Bopp-Podolsky electrodynamics, which is well-known for removing the singularity at the point charge, we generalized the Einstein-aether theory by adding such a higher order self-intera...
abstract chickpea is weak in competition of weeds that damages to it at between 40 t0 60 percent. kermanshah province is one of the most important region for chickpea fields in iran. for these reosons, weed management is necessary in this crop. in order to evaluate of herbicides and stubble control on broad leave weeds control in chickpea. experiment was conducted in agricultural research stat...
[1] Telescopic observations and space missions to Jupiter have provided vast information about Jupiter’s cloud level winds, but the depth to which these winds penetrate has remained an ongoing mystery. Scheduled to be launched in 2011, the Jupiter orbiter Juno will make high-resolution observations of Jupiter’s gravity field. In this paper we show that these measurements are sensitive to the de...
Turbulence is ubiquitous in space plasmas. It one of the most important subjects heliospheric physics, as it plays a fundamental role solar wind—local interstellar medium interaction and controlling energetic particle transport acceleration processes. Understanding properties turbulence various regions heliosphere with vastly different conditions can lead to answers many unsolved questions open...
abstract due to the growing importance and influence of the self of the teacher in the field of educational and cognitive psychology, the current study intended to investigate the relationship between three teacher qualities and characteristics, i.e. teacher self efficacy, self regulation, and success as perceived by their learners. the study aimed at finding whether teacher self efficacy an...
The perspectives of detecting the general relativistic gravitomagnetic Lense-Thirring effect on orbits Galilean moons Jupiter induced by angular momentum ${\boldsymbol{S}}$ latter are preliminarily investigated. Numerical integrations over one century show that expected signatures directly observable right ascension $\alpha$ and declination $\delta$ satellites as large tens arcseconds for Io, w...
The limits of space travel are continuously evolving, and this creates increasingly extreme challenges for the crew’s health that must be addressed by scientific community. Long-term exposure to micro-gravity, during orbital flights, contributes muscle strength degradation increases bone density loss. In recent years, several exercise devices have been developed counteract negative effects zero...
the importance of writing as a complex skill in applied linguistics has drawn the attention of many researchers to evaluate textbooks in order to help learners gain self-sufficiency and autonomy in the field of language use and communication. investigations have shown that developments in textbooks evaluation can promote the quality of pedagogies and consequently the learning. this study attemp...
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