نتایج جستجو برای: concentration ratio

تعداد نتایج: 849884  

2005
L. Wang C. B. Parnell B. W. Shaw R. E. Lacey M. D. Buser L. B. Goodrich S. C. Capareda

The Federal Reference Method (FRM) ambient PM10 sampler does not always measure the true PM10 concentration. There are inherent sampling errors associated with the PM10 samplers due to the interaction of particle size distribution (PSD) and sampler performance characteristics. These sampling errors, which are the relative differences between theoretical estimation of the sampler concentration a...

Journal: :Biological & pharmaceutical bulletin 2012
Yoshiaki Yamamoto Yushi Inoue Kazumi Matsuda Yukitoshi Takahashi Yoshiyuki Kagawa

Lamotrigine (LTG) is an antiepileptic drug (AED) that was approved in Japan in 2008. We evaluated the influence of AEDs that induce hepatic enzymes (including phenytoin (PHT), phenobarbital (PB), carbamazepine (CBZ)), valproic acid (VPA), and various combinations of these drugs, on plasma LTG concentration in adult Japanese epilepsy patients. A total of 621 patients (mean age 34.4±11.8 years) w...

Journal: :Zeitschrift fur Naturforschung. Teil B. Anorganische Chemie, organische Chemie, Biochemie, Biophysik, Biologie 1972
G Pilwat U Zimmermann

The stationary intracellular potassium concentration in E. coli B 525 has been studied as a function of the extracellular potassium and sodium concentrations. The ratio of extracellular to intracellular potassium concentration is shown to be a linear function of the extracellular potassium concentration if the extracellular sodium concentration is low (20 mmoles/1). In the case of high sodium c...

Journal: :به زراعی کشاورزی 0
آرزو دادرس نیا دانشجوی دکترای بیوتکنولوژی محیط زیست، دانشگاه ملی مالزی، کوالالامپور – مالزی اکبر فرقانی استادیار، گروه خاکشناسی، دانشکده کشاورزی، دانشگاه گیلان، گیلان بیژن مرادی پژوهشگر، بخش علوم آب و خاک، مؤسسه تحقیقات مرکبات کشور، رامسر، مازندران رضا فیفایی پژوهشگر، بخش باغبانی، مؤسسه تحقیقات مرکبات کشور، رامسر، مازندران

nitrogen foliar spray is one of the most important components in fertilizing programs for citrus in iran, as it can reduce nitrate leaching. the goal of this research was to determine the most effective concentration of foliar urea application on “thamson navel’’ orange trees, for achieving the highest yield. foliar sprays were carried out, in two stages with total concentrations of 0.4, 0.8 an...

2016
Hongfei Zheng Xu Yu Yuehong Su Saffa Riffat Jianyin Xiong

In the real solar tower thermal power system, it is widely acknowledged that the thermodynamic irreversibility, such as convective and radiative loss on tower receiver, and thermal resistance in heat exchangers, is unavoidable. With above factors in mind, this paper presents an ideal model of the solar tower thermal power system to analyze the influence of various parameters on thermal and exer...

Journal: :علوم گیاهان زراعی ایران 0
سامان شیدائی مرتضی زاهدی سیدعلی محمد میرمحمدی میبدی

a hydroponic experiment was conducted to evaluate the effects of salt stress on safflower genotypes under greenhouse conditions. the experiment was arranged as a factorial one based upon a completely randomized design with three replications. five safflower genotypes (arak2811, nebraska10, sod25, ca116, and ca128), and four salinity treatments (0, 0.3, 0.5, and 0.7 percent of nacl) were employe...

This article tries to survey the structure of Iran’s banking industry during the period 2001-2008. The survey has been conducted on the basis of two concentration indicators, namely, Herfindahl-Hirschman Index (HHI) and Concentration Ratio (CRk). The results of the study show that concentration has undergone a decreasing trend in Iran’s banking industry market. The main cause of such a trend is...

Mohammad K. Amini Nina Alizadeh

A proton NMR method for the drtermination of salvation numbers of alkaline earth cations with hexamethyl phosphoramide (HMPA) in nitromethane (NM) as diluents is described. The method is based on monitoring the resonance frequency of HMPA protons as a function of HMPA / metal ion molar ratio at constant metalion concentration. The average salvation number of cations,  , at any HMPA / metal ...

Dong Wei-Heng Li Chen Zhang Lei,

The paper introducedeffects of modified pyrolysis tar on flue gas desulfurization. This experiment selected the pyrolysis tar as the raw material, researched the effects on desulfurization performance under different modification solution, concentration, solid liquid ratio of pyrolysis tar and modified solution, calcination temperature and calcination time by 16 group orth...

Journal: :iranian journal of public health 0
a parvaresh mr shahmansouri h alidadi

improving the soil quality with organic matter content and presence of elements such as n, p and k are some of sewage sludge benefits. adjusting carbonaceous materials such as plant wastes to dewatered sludge compost increases its moisture and improves c/n ratio. so dewatered sludge has low c/n ratio and should be mixed with bulking agents. this study was performed in a three months period of t...

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