نتایج جستجو برای: chromium sampling method

تعداد نتایج: 1795033  

Journal: :Journal of Integral Equations and Applications 2009

2012
Lidan Chen

Flame atomic absorption spectrometry (FAAS) was adopted to detect the construction vehicles automatic transmission through simultaneous determination of typical metal elements contents (Copper, Chromium and Iron) in automatic transmission fluid (ATF). Standard curves of Copper, Chromium and Iron were portrayed. Six parallel tests were implemented and the relative standard deviations (RSD) were ...

Journal: :Transactions on Machine Learning and Artificial Intelligence 2020

2012
HANA VASKOVA

One of the actual global problems is an issue of waste, its formation, disposal and possible secondary processing. Another closely related issue concerns hazardous waste which represents a potential threat to environment and human health. This paper is focused on an area of waste containing hexavalent chromium arising especially from leather industry. Hexavalent chromium is classified as a carc...

Journal: :Gut 1978
W J Branch J H Cummings

Radio-opaque pellets (ROP) similar to those currently used to measure gastrointestinal transit time have been compared with chromium sesquioxide to assess their suitability for use as inert markers in the gut. Five healthy subjects took both markers with every meal for two separate three week periods while taking metabolically controlled diets. Overall recovery of both markers was satisfactory;...

2017
Ayyappan Thangavel Elangovan Gopal

In apparent, the intension is removal of chromium using cow dung as low cost adsorbents from the industrial wastewater. Chromium (Cr) is one of the most toxic substances and is introduced into the environment through a variety of industrial activities. In order to remove the chromium from the contaminated water there are lot of methods available, even though they are not in natural way. In the ...

Journal: :Nihon eiseigaku zasshi. Japanese journal of hygiene 2012
Munehiro Yoshida

It has been recognized that chromium is an essential trace element associated with carbohydrate metabolism, and chromium deficiency causes an impaired glucose tolerance. Recently, however, Vincent et al. have reported that chromium is not an essential trace element. In the present report, the author evaluated the nutritional essentiality of chromium by reviewing several previous reports. In alm...

2015
Weiwei Feng Guanghua Mao Qian Li Wei Wang Yao Chen Ting Zhao Fang Li Ye Zou Huiyu Wu Liuqing Yang Xiangyang Wu

AIMS/INTRODUCTION The present study was designed to evaluate the effect of chromium malate on glycometabolism, glycometabolism-related enzyme levels and lipid metabolism in type 2 diabetic rats, and dose-response and curative effects. MATERIALS AND METHODS The model of type 2 diabetes rats was developed, and daily treatment with chromium malate was given for 4 weeks. A rat enzyme-linked immun...

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