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1 ACTIVITIES INCLUDED This chapter covers emissions released from nitric acid production plants, whereby all process steps are taken into account. The contribution of emissions released from nitric acid plants to the total emissions in the countries of the CORINAIR90 inventory is given as follows: Table 1: Contribution to total emissions of the CORINAIR90 inventory (28 countries) S So ou ur rc ...
در این تحقیق هیدرودینامیک، انتقال حرارت و واکنش شیمیایی در راکتور بستر ثابت استفاده شده در فرآیند سنتز فیشر- تروپش با نسبت قطر لوله به قطر ذره (n) برابر 6/4 با استفاده از دینامیک سیالات محاسباتی (cfd) بررسی شدند. برای اولین بار هندسه راکتور در این فرآیند با استفاده از روش پرکن گسسته (dpm) مدل شد. شبیه سازی های cfd در گستره وسیعی از عدد رینولدز، 79/611-85/3، در رژیم جریان آرام و آشفته با استفاده...
Introduction: Surveying the growth and development of children is an important parameter in their health assessment. Since the growth affecting agents vary in countries, it is not sensible considering a unique growth chart for all. In this research, we have studied the growth chart of children from birth to month 24 in Bandar Abbas with regard to the standard growth curve. Methods: In this des...
Saturday, 3 October 2020 was provisionally the wettest day on record UK-wide. UK-wide, based a 1km resolution gridded dataset (Hollis et al., 2019). An average of 31.7mm rain fell across entire United Kingdom. Communicating science to general public in way they will find interesting and engaging can be challenging, event widely reported media as ‘enough rainwater fill Loch Ness’ (7.6km3) – catc...
Oxygen delignified kraft pulp from eucalyptus (E. urophylla × E. grandis) was catalytically pretreated in aerobic condition using ammonium persulfate in present of catalists like cupric acetate and/or cobalt acetate in acetic acid-water solution, i. e. S2O82--Cu2+, S2O8...
abstract amino acids are building blocks of proteins, and play a vital role in living beings existence and their functionality. the interaction of these compounds with metal ions is of great importance to biochemists, and chemists, because their functions can be utilized as a model in understanding enzymes mechanism for transport of metal ions to tissues. among twenty essential amino acids w...
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