نتایج جستجو برای: mean ionic activity coefficient

تعداد نتایج: 1845649  

Journal: :international archives of health sciences 0
m. rahimian health education department, health school, sabzevar university of medical sciences, sabzevar, iran m. mohammadi 7th floor, building no. 2 of sbums, arabi avenue, daneshjoo boulevard, velenjak, tehran, iran. postal code: 1983963113 a. mehri health education department, health school, sabzevar university of medical sciences, sabzevar, iran m.h. rakhshani health education department, health school, sabzevar university of medical sciences, sabzevar, iran

abstract aims: regular physical activity can reduce the burden of chronic diseases, such as heart disease, diabetes, and some cancers, and can prevent early death. this study examined the impact of performing health promotion model intervention on physical activity of the health volunteers. materials & methods: this cross-sectional research is part of a three-month intervening study started in ...

Journal: :World journal of microbiology & biotechnology 2012
Sónia P M Ventura Luísa D F Santos Jorge A Saraiva João A P Coutinho

A systematic study of the effects of hydrophilic ionic liquids concentration and nature (alkyl chain length and type of anion) on the activity of Candida antarctica lipase B is here reported. The increase in the concentration of the studied ionic liquids is shown to cause a decrease of the enzyme activity, but the effect is dependent on the ionic liquid used. This behavior is partially due to t...

2012
Yansen Lauw Frans Leermakers

Research in room-temperature ionic liquids (RTILs) has exploded in the last two decades, which are marked by an exponential increase in the number of theoretical and experimental publications in this field. The typically good thermal stability, ionic conductivity, and solvability of RTILs make them superior electrolytes in many electrochemical applications, such as metal electrodeposition and e...

Journal: :iranian journal of catalysis 2014
hossein naeimi zahra sadat nazifi

efficient and one-pot synthesis of 1,8-dioxo-octahydroxanthenes was described by knoevenagel condensation, michael addition and cyclodehydration of dimedone. this reaction was carried out through condensation of dimedone and various aromatic aldehydes in the presence of task-specific brønsted acidic ionic liquid under solvent free conditions. the catalyst could be recycled five times without si...

2000
L. I. Daikhin M. Urbakh

Recent theory of capillary waves along the interface between two immiscible electrolytes is generalized to include the non-linear polarization of the double layer. The theory covers both the effects of the capillary waves on the double layer capacitance, as well as the effect of charging the interface on the amplitudes and spectrum of capillary waves. The theory explains major available experim...

Journal: :The Journal of Physiology 1951

ژورنال: Journal of Research and Health 2015

In many societies fairness and equality are the most significant concepts among the governments and peoples. In the health systems, the fast increase in expenses takes expert’s attention to measure and control the inequality. The aim of this paper is to investigate the inequality of household’s health expense’s in the Iran and making its statistical map. The health expenses data for doing t...

2013
I J David O E Asiribo

This paper assesses the adequacy of model fit of the split-plot design models that is the whole plot (WP) sub design model with WP error and the split-plot (SP) sub design model with SP error using the four measures of adequacy of fit for the WP and SP sub designs proposed by Almimi et al. [3] which are the R 2 , R 2 -Adjusted, Prediction Error Sum of Square (PRESS) and R 2 -Prediction statisti...

An estimation problem of the mean µ of an inverse Gaussian distribution IG(µ, C µ) with known coefficient of variation c is treated as a decision problem with entropy loss function. A class of Bayes estimators is constructed, and shown to include MRSE estimator as its closure. Two important members of this class can easily be computed using continued fractions

Journal: :iranian journal of pharmaceutical research 0
azadeh paknafas school of radiation applications, nuclear science and technology research institute (nstri), tehran, iran, p.o.box: 31485-498. yousef fazaeli school of radiation applications, nuclear science and technology research institute (nstri), tehran, iran, p.o.box: 31485-498. amir reza jalilian school of radiation applications, nuclear science and technology research institute (nstri), tehran, iran, p.o.box: 31485-498. abbas ahmadi department of chemistry. karaj branch, islamic azad university, karaj, iran. shahzad feizi school of radiation applications, nuclear science and technology research institute (nstri), tehran, iran, p.o.box: 31485-498. mohsen kamalidehghan school of radiation applications, nuclear science and technology research institute (nstri), tehran, iran, p.o.box: 31485-498.

radiolabeled porphyrins are potential tumor avid radiopharmaceuticals because of their impersonation in the human body, ability to complex various radionuclides, water solubility, low toxicity etc. in this work a radiogallium porphyrin complex has been developed. [67ga] labeled 5,10,15,20-tetrakis(3,4-dimethoxyphenyl) porphyrin ([67ga]-tdmpp) was prepared using freshly prepared [67ga]gacl3 and ...

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