نتایج جستجو برای: herfindal concentration
تعداد نتایج: 381037 فیلتر نتایج به سال:
the aim of the present study was to examine the effect of outcome uncertainty induced by increased competitive balance level on the amount of spectators' attendance in iran football premier league. therefore, the amount of spectators' attendance in iran football premier league was prepared, collected and organized in detail by library sources, the present sources of league organizatio...
There is a growing interest of the linkages between different SDGs as interactions are more and observed. Food production diversity’s role in linking deserves attention, it directly related to variety such SDG 1 (poverty reduction), 2 (no hunger), 8 (economic growth decent work). This article empirically examines food diversity Saudi Arabia Oman with Herfindal-Hirschmann Index, which measures v...
Background: Determining the income elasticities of the household health expenditures, especially for income deciles, leads to adoption of appropriate policies to control and manage health expenditures among income deciles. Therefore, the main purpose of this study was to estimate the income elasticities of urban household health expenditures by income quintiles, and also calculate inequality in...
nowadays, air pollution is a global problem that has had significant growth by technology development, population growth andindustrial development. industrial development brought natural resources deterioration, more manufacturing products, and more environmental pollutants. if pollutant won’t be controlled, human-being and wildlife will face the critical risks. significant release and critical...
هدف از تحقیق حاضر، بررسی تأثیر ابهام در نتیجۀ ناشی از افزایش سطح توازن رقابتی بر میزان حضور تماشاگران لیگ برتر فوتبال ایران است. میزان حضور تماشاگران لیگ برتر فوتبال ایران، به روش کتابخانهای و از منابع موجود در سازمان لیگ، فدراسیون و نشریات معتبر باشگاهی، بهصورت ریز، تهیه، جمعآوری و منظم شد. میزان توازن رقابتی نیز با استفاده از سه معیار پرکاربرد c5,SDW,Herfindal برای چهار لیگ فوتبال ایران، ژ...
The main purpose of this study was to explore whether the current corporate governance mechanisms have an impact on the company's performance in Romania. The importance of this study is given by the following reasons. Firstly, the study will contribute to the existing literature concerning corporate governance impact on firm performance of listed firms in Romania. Secondly, the result of this s...
asymmetric polyethersulfone (pes) microfiltration flat sheet membranes were composed by the phase inversion method (pim) and were used as supports. composite membranes were fabricated by coating silicone rubber as selective layer. effect of different concentrations of pes and pdms and different solvent such as nmp, dmf and dms effects as pes solvents and support thickness and different coagulat...
a simple, rapid and low-cost scanner spectroscopy method for the glucose determination by utilizing glucose oxidase and cdte/tga quantum dots as chromoionophore has been described. the detection was based on the combination of the glucose enzymatic reaction and the quenching effect of h2o2 on the cdte quantum dots (qds) photoluminescence.in this study glucose was determined by utilizing glucose...
با افزایش تعداد سویه های باکتریایی مقاوم به آنتی بیوتیک های مختلف و قیمت بالای برخی آنتی بیوتیک ها نیاز به داروهای گیاهی موثر، در دسترس و ارزان احساس می شود. این مطالعه به منظور مقایسه اثرضدباکتریایی عصاره های قطبی و غیر قطبی دوره های مختلف رویشی گیاه اسپند (peganum harmala) بر روی باکتری های آئروموناس هیدروفیلا (aeromonas hydrophila)، فتوباکتریوم دامسلا (photobacterium damsela) و لاکتوکوکوس گا...
it was thought previously that cardiac muscle gap junctions provide low-resistance connections between cells and permit the local-circuit current to flow. some evidences show that myocardial cells may not require low-resistance connections for successful propagation of the action potential (ap). it seems that some other types of mechanisms must be involved in ap propagation. in this article, we...
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