نتایج جستجو برای: and some african countries either totally
تعداد نتایج: 16976526 فیلتر نتایج به سال:
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...
789 www.cmj.hr Many African countries are liberal in accepting medical degrees and specialist qualifications acquired abroad. This in part stems from the lack of training programs on the African continent that can supply the required or near the required numbers of doctors to serve the populations. As the majority of African states are English-speaking, academic and professional qualifications ...
The aim of this paper is to empirically highlight some important worldwide differences in the impact of privatization of the fixed-line telecommunications operator on network expansion, tariffs, and efficiency during the 1985-2007 period for a large panel of countries. The countries considered are first regrouped into OECD and non-OECD countries. Then, the non-OECD countries are classified into...
muhammad ibn muhammad ibn numan, known as "shaykh mufid," one of the great imamiye theologians and jurists in the fourth and early fifth century , had comprehensive mastery of both rational and traditional topics and exerted his influence upon both his contemporary and future scholors. he is considered to be one of the top imamiye scholars who spent his lifetime teaching, learning and authorin...
in order to examine the ecological conditions and characteristics of fraxinus excelsior l. in the northern forests of iran 6 main areas as well as some miscellaneous ones , have been selected in the region respectively in : lomir2, shafaroud , park - e-noor , ahlam , alandan and noor.
It is proved that if G is multigraph with maximum degree 3, and every submultigraph ofG has average degree at most 2 1 2 and is different from one forbidden configuration C 4 with average degree exactly 2 1 2 , then G is totally 4-choosable; that is, if every element (vertex or edge) of G is assigned a list of 4 colours, then every element can be coloured with a colour from its own list in such...
In this paper we define total magic cordial (TMC) and total sequential cordial (TSC) labellings which are weaker versions of magic and simply sequential labellings of graphs. Based on these definitions we have given several results on TMC and TSC graphs.
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