نتایج جستجو برای: proline increased from 328 to 2446 μg g
تعداد نتایج: 11927631 فیلتر نتایج به سال:
Surface sediments collected from 2001 to 2011 were analyzed for total petroleum hydrocarbons (TPH) and five heavy metals. The sediment concentration ranges of TPH, Zn, Cu, Pb, Cd and Hg were 6.3-535 μg/g, 58-332 μg/g, 7.2-63 μg/g, 4.3-138 μg/g, 0-0.98μg/g, and 0.10-0.68 μg/g, respectively. These results met the highest marine sediment quality standards in China, indicating that the sediment was...
With the advancement in nanotechnology, use of nanoparticles has been enhanced dramatically biomedical, agriculture, and industrial processes. However, combined effect bacteria on plant growth heavy metal (Cd, Cr, Cu, Pb)-contaminated wastewater is greatly limited. Therefore, recent work was designed to determine synergistic impact green synthesized zinc oxide (ZnO-NPs) (5-10 mg/L) Bacillus spp...
Accordingly, this study was conducted to investigate the concentration of lead and cadmium of different toothbrush brands. For this purpose, a total number of 20 toothbrushes from different brands were taken randomly. The concentration of lead and cadmium in the toothbrushes was then specified using Graphite furnace atomic absorption spectroscopy (GFAAS), model AAS 6200. The samples were prepar...
this study aimed at examining the effects of iranian efl learners’ anxiety, ambiguity tolerance, and gender on their preferences for corrective feedback (cf, henceforth). the effects were sought with regard to the necessity, frequency, and timing of cf, types of errors that need to be treated, types of cf, and choice of correctors. seventy-five iranian efl students, twenty-eight males and forty...
introduction plant responses to environmental stress have a central role in agricultural production. responses results from events occurring at all levels of the organization, from biochemical reactions in cells to whole plant physiology. many plants are injured when exposed to low non-freezing temperatures. however, data on the effects of night temperatures are scarce. on the other hand, nitri...
Background and purpose: This study aimed to determine the origin and distribution of lead, copper, zinc, nickel, chromium and vanadium in surface sediments of Mazandaran coastline (southeastern coast of the Caspian Sea). Materials and methods: Surface sediment samples were collected from four transects in Tonekabon, Noshahr, Babolsar and Amir abad port, at three different depths of 5, 15 and 3...
Drought stress is one of the most important restricting factors for plant yield in arid and semi-arid regions. Seaweed extract, as a biofertilizer, enhances plant resistance against abiotic stresses via accelerating seed germination, root growth enhancement and uptake of plant nutrients. The present research was carried out to investigate the effects of foliar spraying of Ascophyllum nodosum se...
salinity is one of the major problems in the world's vast areas of land are also faced with this problem. endophytes are microorganisms that use of the soil microorganisms, the reduction of environmental stresses such as salinity, has become a global solution. therefore, to investigate the effects of inoculation of fungal endophytes piriformospora indica and bacteria symbiosis hay azospiri...
even though, to date, a lot of studies have been conducted on the subject of politeness theory, there are very few studies regarding the applicability of this theory to translation between english and persian which shows the reason behind conducting the present study. this study was carried out with the aim of highlighting whether there is any difference between english and persian methods of u...
Abstract Two experiments with factorial arrangements on the basis of randomized complete block design in three replications were conducted in 2007 and 2008, to evaluate chlorophyll content index (CCI), fluorescence of chlorophyll, proline content and grain yield of three soybean cultivars (Williams, Zan and L17) under a non-saline (control) and three saline (3, 6 and 9 ds/m NaCl) conditions...
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