نتایج جستجو برای: permitted limit

تعداد نتایج: 208068  

Journal: :Fudma Journal of Sciences 2022

This study was conducted to determine and compare the activity concentration of natural radioactivity 238U, 232Th, 40K in borehole well water samples collected from Lokoja Nigeria, using Sodium Iodide−Thallium gamma spectroscopy. Samples selected wells were standard radiation protocol analyzed. The result shows that sample 2.77±0.67 Bq/l; 2.30±0.27 Bq/l 1.66±0.13 for respectively, 17.62±1.37 wh...

Journal: :Daengku 2023

Online Single Submission (OSS) enables business stakeholders to develop a simpler and more efficient licensing mechanism. is applicable in all Indonesian areas. Through (OSS), the Business Identification Number (NIB) will be obtained, identifying perpetrator while conducting business. At start of COVID-19 pandemic, population Jabon Subdistrict was unaware significance obtaining licenses for eco...

Journal: :Town Planning Review 2021

The ongoing COVID-19 pandemic has brought the issue of housing quality into sharp relief. For many people, home before was a place to return after work, school or holiday: one number spaces in which life is played out. But focused daily existence on the home. It suddenly become more intensely multi-functional: workspace, classroom and a leisure space all bundled one (it always these things,...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد علوم دارویی - دانشکده داروسازی 1393

در این پروژه ما قابلیت روش آنالیز مستقیم جیوه (dma) را برای به کار گیری در تعیین مقدار جیوه در واکسن ها را مورد بررسی قرار دادیم. این روش یک روش کاملا اختصاصی است و ترکیبات موجود در ماتریکس واکسن که مهمترین آنها آلومینیوم می باشد در این واکنش تداخلی در جهت افزایش کاذب و یاکاهش کاذب مقدار جیوه ایجاد نمی کنند. به دلیل این اختصاصی بودن (specificity) نتایج حاصل از آن کاملا قابل اعتماد و صحیح (accur...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم 1390

a novel silver (ag) nanocomposite electrode was proposed that fabricated from metal nanostructures and ionic liquids. the combined application of unique properties of nanomaterials and ionic liquids in the design of this ag nanocomposite results in electrodes with interesting advantages compared to the conventional metal disk electrode. in the first part of this thesis, the elecrocatalytic eff...

Journal: :Sustainability 2021

This study assisted in identifying and preventing the increase heavy metals soil winter wheat. Its accumulation can affect cultivated crops, quality crop yields, consumers’ health. Selected were analyzed using GTAAS method. They undertaken on selected content (Cd, Cu, Pb, Zn) arable soils at three sites Slovakia their parts of Our showed that limit value Cd samples was exceeded monitored from 2...

"Technical Report" The quality of coastal water resources at the downstream of watersheds is decreasing mainly due to different anthropogenic activities. In this research, temporal variations of groundwater quality were investigated in a 25000 ha coastal area in Mazandaran province. Groundwater samples were taken from 37 observation wells in the region before (winter 2009), during (spring ...

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