نتایج جستجو برای: employed bee
تعداد نتایج: 202885 فیلتر نتایج به سال:
Evidence for declining populations of both wild and managed bees has raised concern about a potential global pollination crisis. Strategies to mitigate bee loss generally aim to enhance floral resources. However, we do not really know whether loss of preferred floral resources is the key driver of bee decline because accurate assessment of host plant preferences is difficult, particularly for s...
Bees pollinate most of the world's wild plant species and provide economically valuable pollination services to crops; yet knowledge of bee conservation biology lags far behind other taxa such as vertebrates and plants. There are few long-term data on bee populations, which makes their conservation status difficult to assess. The best-studied groups are the genus Bombus (the bumble bees), and b...
BACKGROUND Vascular endothelial growth factor (VEGF) is a key regulator of pathogenic angiogenesis in diseases such as cancer and diabetic retinopathy. Bee products [royal jelly (RJ), bee pollen, and Chinese red propolis] from the honeybee, Apis mellifera, have been used as traditional health foods for centuries. The aim of this study was to investigate the anti-angiogenic effects of bee produc...
In this paper, we present a new Artificial Bee Colony algorithm to solve the non-unicost Set Covering Problem. The Artificial Bee Colony algorithm is a recent metaheuristic technique based on the intelligent foraging behavior of honey bee swarm. Computational results show that Artificial Bee Colony algorithm is competitive in terms of solution quality with other metaheuristic approaches for the...
Obtaining and storing large amounts of data have become easier with the rapidly developing information technologies (IT). However, generated collected, which are irrelevant in themselves, useful only when they analyzed for a specific reason. Data mining may transform raw into information. In present study, classification analysis denim fabric quality characteristics according to production para...
Here we report the cases of five patients with a late onset of acute urticaria after a bee sting. The ages of the five Japanese patients ranged from 33 to 86 years (median: 61). All patients had no history of an allergic reaction to bee stings. The onset of urticaria was 6-14 days (median: 10) after a bee sting. Although four of the patients did not describe experiencing a bee sting at their pr...
The June 1982 supplement to the Current Population Survey obtained information from women concerning their childbearing to date as well as their future birth expectations. This report presents data based on this survey as well as showing trends in out-of-wedlock childbearing for women since 1947. The lifetime birth expectations of women aged 18 to 24 years are the same as for that same age gr...
OBJECTIVES The current study was performed to compare the bee venom pharmacopuncture skin test reactions among groups with different sexes and Sasang constitutions. METHODS Between July 2012 and June 2013, all 76 patients who underwent bee venom pharmacopuncture skin tests and Sasang constitution diagnoses at Oriental Medicine Hospital of Sangji University were included in this study. The ski...
QSAR for honey bee acute contact toxicity (ester derivatives) 1.2.Other related models: QSAR for honey bee acute contact toxicity (amine derivatives) QSAR for honey bee acute contact toxicity (amide derivatives) QSAR for honey bee acute contact toxicity (ether derivatives not containing amide groups) 1.3.Software coding the model: QSARModel 3.5.0 Molcode Ltd., Turu 2, Tartu, 51014, Estonia http...
ABSTRACT Background and Objectives: The aim of this study was to evaluate the effect of 12 weeks of intense endurance training and bee pollen consumption on ABCA1 gene expression in small intestine, liver and gastrocnemius muscle tissues of male rats. Methods: In this study, 24 ...
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