نتایج جستجو برای: mature fields
تعداد نتایج: 312569 فیلتر نتایج به سال:
garlic and onion are very important crops which are cultivated especially in autumn season in jiroft region, southeast of iran. one of the limiting factors for development of cultivation of these crops is fungal diseases such as leaf spot and blight. for identifying the causal agents of this disease, numerous onion and garlic fields were surveyed during 2001-2003 and infected samples were colle...
In the transition between Mediterranean forest and the arid subtropical shrublands of the southeastern Iberian Peninsula, humans have transformed habitat since ancient times. Understanding the role of the original mosaic landscapes in wildlife species and the effects of the current changes as pine forest plantations, performed even outside the forest ecological boundaries, are important conserv...
Young neutron stars (NSs) have magnetic fields $B$ in the range $10^{12}-10^{15}$ G, believed to be generated by dynamo action at birth. We argue that such a is actually too inefficient explain strongest of these fields. Dynamo mature star also unlikely. Instead we propose promising new precession-driven and examine its basic properties, as well arguing for revised mean-field approach NS dynamo...
Wheat (Triticum aestivum) growth and yield are depressed by physical and chemical interference of weeds. Recently, wild barley (Hordeum spontaneum) population has increased in wheat fields of many provinces of Iran. Since, little is known about the allelopathic effects of wild barley residues in soil, greenhouse studies were conducted to examine the effects of soil amended residues of wild barl...
The features of bad flow unit continuity and multiple layers emphesize the importance of a well pattern design for the development of a fluvial-delta reservoir. It is proposed a method to predict well pattern connectivity (WPC) based on the exploration and evaluation of wells. Moreover, the method helps evaluate the risk of well placement. This study initially establishes the parameters for cha...
This study examined the development of individual axon terminal fields in n. laminaris (NL) of the chicken brainstem. In their mature form axons from the nucleus magnocellularis (NM), second-order auditory neurons in the chicken brainstem, project bilaterally onto the NL. Axons from the ipsilateral and contralateral NM neurons form spatially segregated, elongated arbors in the dorsal and ventra...
ABSTRACT Mapping the large-scale magnetic field in late F-type stars is important for understanding nature of stellar dynamo and dynamics thin outer convection zones. We use Zeeman Doppler Imaging to produce multi-epoch maps surface two mature stars: β Virginis (F9V) θ Draconis (F8IV). also provide a magnetohydrodynamic model winds from corona inner astrosphere, which exists an environment at h...
Abstract Produced water management policies in oil and gas industry have been moving towards zero emission, no ocean discharge waste-to-value conversion. reinjection plays a key role achieving these goals for mature fields as it derives value from produced is able to maintain environmental integrity. A central element this, optimal operation of pumping. Hydraulic efficiency specific energy are ...
nowadays in trade and economic issues, prediction is proposed as the most important branch of science. existence of effective variables, caused various sectors of the economic and business executives to prefer having mechanisms which can be used in their decisions. in recent years, several advances have led to various challenges in the science of forecasting. economical managers in various fi...
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