نتایج جستجو برای: timed breeding
تعداد نتایج: 72420 فیلتر نتایج به سال:
Daily injections of L-dihydroxyphenylalanine (L-DOPA, dopamine precursor) given 4 h after 5-hydroxytryptophan (5-HTP, serotonin precursor) induced inhibitory responses in recrudescing gonad (in the first week of December) of Indian palm squirrel, a seasonally breeding subtropical animal. Other temporal relations (L-DOPA given at 0, 8, 12, 16, and 20 h after 5-HTP administration) did not show an...
In the last decade several registries have approved the use of frozen semen commercially. With the recent approval by AQHA, the largest horse registry in the country, to use frozen semen, it is expected that inseminating mares with frozen semen will become a common procedure. There are several advantages in using frozen semen. Among them are the following: 1) transportation of a nitrogen tank i...
background: subjective assessment of primary achalasia is not accurate. we aimed to evaluate surface of barium retention in the objective assessment of these patients. materials and methods: subjective and objective esophageal functions of 99 patients with primary achalasia were evaluated initially and 43 of them were reevaluated one month after balloon dilation. results: predilation: â 9cases...
In this study, semen samples from 25 bulls that had passed a breeding soundness evaluation were analyzed for the presence or absence of a 31-kDa protein, known as fertility-associated antigen (FAA), on spermatozoal membranes. Eighteen bulls had FAA on sperm (FAA-positive) and seven were devoid of FAA on sperm (FAA-negative). A single ejaculate from each bull was extended and frozen with 25 to 3...
We solve some decision problems for timed automata which were raised by S. Tripakis in [Tri04] and by E. Asarin in [Asa04]. In particular, we show that one cannot decide whether a given timed automaton is determinizable or whether the complement of a timed regular language is timed regular. We show that the problem of the minimization of the number of clocks of a timed automaton is undecidable....
We solve some decision problems for timed automata which were raised by S. Tripakis in [Tri04] and by E. Asarin in [Asa04]. In particular, we show that one cannot decide whether a given timed automaton is determinizable or whether the complement of a timed regular language is timed regular. We show that the problem of the minimization of the number of clocks of a timed automaton is undecidable....
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