نتایج جستجو برای: weak base

تعداد نتایج: 393981  

Journal: :iau international journal of social sciences 2013
abolghasem heidarabadi zahra najafi

the aim of this study is to investigate the role of security in social deviations among women of babol city. descriptive survey research method was used and the unit of analysis is 15-29 year old women that 284 women are selected on the basis of cochran formula and using multi-stage random cluster sampling. the results show that there is a weak significant relationship between the independent v...

Journal: :American journal of physiology. Renal physiology 2004
Xiaohong Zhang Carlotta E Groves Andrew Bahn Wendy M Barendt Marcos D Prado Matthias Rödiger Varanuj Chatsudthipong Gerhard Burckhardt Stephen H Wright

We compared the characteristics of several cloned rabbit organic electrolyte (OE) transporters expressed in cultured cells with their behavior in intact rabbit renal proximal tubules (RPT) to determine the contribution of each to basolateral uptake of the weak acid ochratoxin A (OTA) and the weak base cimetidine (CIM). The activity of organic anion transporters OAT1 and OAT3 proved to be distin...

Journal: :Int. J. Math. Mathematical Sciences 2004
Jing Cheng Tong

We first introduce 20 weak forms of continuity, which are closely related to 5 known weak forms of continuity. Then we classify them into 9 groups and give 12 decompositions of continuity. 1. Introduction. Continuity is one of the most important concepts in mathematics. In order to find deep properties of continuity, many weak forms of continuity were introduced in the literature. For instance,...

2012
Jesús Ávila Fabián Molina F. Molina

In this work we define generalized weak structures which naturally generalize minimal structures, generalized topologies and weak structures recently proposed in the literature. Moreover, we study some properties of the interior, the closure and other concepts in this new context. Mathematics Subject Classification: Primary 54A05, Secondary 54D10

2015
Zong-Hong Cao Yong-Wu Zhou Ju Zhao Chang-Wen Li

This paper considers a supply chain where a manufacturer sells its product through a retailer. In such a market, a potential entrant can make a substitute product by imitating the incumbent's product and then sells it to the common market with one of three alternative entry modes: (i) selling through the incumbent's retailer, (ii) selling through another independent retailer, or (iii) selling d...

Journal: :Annals of internal medicine 2008
Amir Qaseem Vincenza Snow J Thomas Cross Mary Ann Forciea Robert Hopkins Paul Shekelle Alan Adelman David Mehr Kenneth Schellhase Doug Campos-Outcalt Pasqualina Santaguida Douglas K Owens

DESCRIPTION The American College of Physicians and American Academy of Family Physicians developed this guideline to present the available evidence on current pharmacologic treatment of dementia. METHODS The targeted literature search included evidence related to the effectiveness of 5 U.S. Food and Drug Administration-approved pharmacologic therapies for dementia for outcomes in the domains ...

2007
Bernard Boigelot Julien Brusten

This paper studies the expressive power of finite-state automata recognizing sets of real numbers encoded positionally. It is known that the sets that are definable in the first-order additive theory of real and integer variables 〈R, Z,+, <〉 can all be recognized by weak deterministic Büchi automata, regardless of the encoding base r > 1. In this paper, we prove the reciprocal property, i.e., t...

2008
Arnold Beckmann Samuel R. Buss

The complexity class of Πpk-polynomial local search (PLS) problems is introduced and is used to give new witnessing theorems for fragments of bounded arithmetic. For 1 ≤ i ≤ k + 1, the Σi -definable functions of T k+1 2 are characterized in terms of Π p k-PLS problems. These Π p kPLS problems can be defined in a weak base theory such as S 2 , and proved to be total in T k+1 2 . Furthermore, the...

2013
D. Jeiyendira Pradeep Kapil Dave

A new acid -base indicator which is less hazardous and inexpensive is proposed. It is capable of d istinguishing between the acids and bases. Titrations were carried out to ensure that the proposed indicator yields quantitative results. The results of titrations were quite satisfactory. The indicator was giving a distinct sustained colour even in the case of weak base and weak acid titrations. ...

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