نتایج جستجو برای: culture and numbers
تعداد نتایج: 16876864 فیلتر نتایج به سال:
in a previous work, we introduced particular fuzzy numbers anddiscussed some of their properties. in this paper we use the comparison methodintroduced by dorohonceanu and marin[5] to compare between these fuzzynumbers.
the central issue in strategy formulation and implementation process, or strategy-making, is the identification of environmental forces and the preparation of a plan of action to deal with them. this necessitates scanning the environment for gathering information. environmental scanning should enable the firm to identify these forces. doing this not only calls for information gathering, but als...
Background This study was undertaken to investigate the efficiency of two different embryo somatic cell co-culture conditions tissue culture medium 199 (TCM199)–vero cells and Menezo B2 (B2)-vero cells for the in vitro developmental quantity and quality of bovine embryos. MaterialsAndMethods Bovine oocytes were allowed to mature and subsequently undergo fertilization in vitro. Their presumptive...
The Zarankiewicz number z(b; s) is the maximum size of a subgraph of Kb,b which does not contain Ks,s as a subgraph. The two-color bipartite Ramsey number b(s, t) is the smallest integer b such that any coloring of the edges of Kb,b with two colors contains a Ks,s in the rst color or a Kt,t in the second color.In this work, we design and exploit a computational method for bounding and computing...
introduction acetic acid bacteria are large group of obligate aerobic gram negative bacteria with the ability to oxidize ethanol to acetic acid (1). they are widely distributed in natural habitats and classified in family acetobacteraceae. members of this family are useful in industrial production of vinegar(2). acetic acid bacteria (aab) can use substrates as glucose, ethanol, lactate or glyc...
background: the basis of spermatogenesis is the spermatogonial stem cells (sscs). the concentration of sscs is very small. however, a system that supports the proliferation and maintenance of sscs in vitro could be used to preserve and expand sscs numbers as well as increase success in transplantation. it is a new avenue to restore spermatogenesis in azoospermia subjects. objective: proliferati...
religious scientists opinion about the numbers meaning in quran is different. some of them including shahab-o-ddin ebne edris reject that the numbers shall go out of their main original meaning and shall be applied in their virtual meaning and some others agree that some numbers like seven, seventy, and thousands are indicative of figurative meanings and say about them: the meaning of these num...
it is well known fact that binary relations are generalized mathematical functions. contrary to functions from domain to range, binary relations may assign to each element of domain two or more elements of range. some basic operations on functions such as the inverse and composition are applicable to binary relations as well. depending on the domain or range or both are fuzzy value fuzzy set, i...
abstract cooperative learning refers to small groups of learners working together as a team to solve a problem, complete a task, or accomplish a common goal. in a cooperative environment one’s success is directly related to the success of other members because the focus on the individual shifts towards the group. to test the effectiveness of the method, using jigsaw technique, a study was cond...
introduction: the suspected water samples contaminated with legionella were enriched with acanthamoebae. small numbers of bacteria (not detectable by culture) can be multiplied in amoebae up to culturable level in co-culture condition. the conventional culture method for legionnaires' disease bacterium always suffers from low sensitivity. this co-culture method can significantly improve culture...
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