نتایج جستجو برای: ahead and 10
تعداد نتایج: 16946110 فیلتر نتایج به سال:
a simple, sensitive and selective method for solvent extraction and spectrophotemetric determination of lanthanum (ii) europium (iii), and cerium (iii) is described , the rare earth metals are extracted into chloroform solution of n-phenylbenzohydroxamic acid (pbha) at ph 9-10 various parameters are studied to optimize the extraction conditions. the molar absorptivity is found to increase from ...
the aim of this paper is eliminating cr(vi) by natural hap. hap is a inexpensive material which is used from bovine critical bone ash in order to remove heavy metal ions like cr(vi). some experiments in different ph are performed (ph=2,3,7). maximum adsorption was appeared at ph=2, dosage=0.3 gr, c0=10 mg/l. cr(vi) removal depends on ph value and initial amount of cr(vi) result of experiments w...
in order to study the effects of post – anthesis heat stress on source of six wheat genotypes (vee/nac, chamran, s79-10, dez, fong and kaveer), two separate field experiments were conducted as delayed as against optimum sowing dates in ahvaz coditions. plants in delayed sowing date experienced heat stress at post-anthesis growth stage. as study of grain yield indicated that the highest and the ...
Research on vehicle longitudinal control with a stop and go system is presently one of the most important topics in the field of intelligent transportation systems. The purpose of stop and go systems is to assist drivers for repeatedly accelerate and stop their vehicles in traffic jams. This system can improve the driving comfort, safety and reduce the danger of collisions and fuel consumption....
The Semiring Constraint Satisfaction Problem (SCSP) framework is a popular approach for the representation of partial constraint satisfaction problems. Considerable research has been done in solving SCSPs, but limited work has been done in building general SCSP solvers. This paper is a part of a series of papers in which incremental changes are made to a branch and bound (BnB) algorithm in orde...
word count: 183 19 Text Word Count: 6,155 20 21 Copyright © 2013, American Society for Microbiology. All Rights Reserved. J. Virol. doi:10.1128/JVI.01671-13 JVI Accepts, published online ahead of print on 10 July 2013
E-learning is one of the new ways of learning in the present era. Thus, for the efficiency and the optimal use of E-learning capacities, requires identifying and eliminating the disadvantages ahead the purpose of this study was the pathology of E-learning courses in the National Iranian Gas Company based on the three-branch model. Thus, a qualitative approach and phenomenological study was adop...
Absrmcf--This paper describes a 10 bit 50MSampleIs CMOS DIA Converter fabricated in a lpm single-poly double-metal CMOS process. About 30Y0 power could be saved in video application by using a modified look-ahead circuit. The INL is less than 0.46LSB, and the DNL is less than 0.03LSB in the power-save mode. The settling time to 0.1% is less than 2013s. At 50MS/s the SFDR is 60dB. I b i s D/A co...
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