نتایج جستجو برای: 9 mgl
تعداد نتایج: 484099 فیلتر نتایج به سال:
The aim of this paper is to review the Mathematics Grammar Library (MGL) approach to multilingual mathematics and to present gfsage, a prototype of a multilingual interface to Sage. 2000 Mathematics Subject Classification. 68N18. 68T30, 68T50, 68W30.
Coordinate gradient learning is motivated by the problem of variable selection and determining variable covariation. In this paper we propose a novel unifying framework for coordinate gradient learning (MGL) from the perspective of multi-task learning. Our approach relies on multi-task kernels to simulate the structure of gradient learning. This has several appealing properties. Firstly, it all...
Chemiluminescent reactions of metastable Mg*(Pj) atoms with F2, Cl2, Br2, I2, IC1, IBr molecules were studied in a beam-gas experiment. For all homonuclear targets the MgX(A FI X X) emission was observed, but for IC1 and IBr reactants the Mgl(A-X) emission was absent and only MgCl(A-X) or MgBr(A-X) spectra were found. In addition, for the I2, IBr, IC1, Br2 reactions, broad pseudocontinua extend...
Doubled haploid production is one of the best breeding methods to produce homozygous (pure) lines. Microspore culture technique is the most efficient method for production of doubled haploid plants. This research was carried out to study the effect of genotypes, stress pre-treatments and culture media on the callus induction and plant regeneration from microspores of anthers in barley (Hordeum ...
In micropropagation of Anthurium the most important and sensitive stage, is callus induction from explant. This experiment was conducted in a completely randomized design with factorial arrangement in 4 replications in Sari Agriculture Sciences and Natural Resources University (SANRU) in 2010. The cultivar used in this study is Fire and leaf segments with and without main nervure, were used as ...
The acute toxicity and effects of diazinon on some haematological parameters of kutum (Rutilus frisii kutum, Kamensky, 1901) weighing 613.33 ± 157.06 g were studied under static water quality conditions at 15 °C ± 2 ºC. These experiments were carried out based on the standard TRC, 1984 method over 4 days, and controlled for the effective water physicochemical factors having pH rangesof 7-8.2,...
صبرزرد با نام علمی aloe vera l. یکی از گیاهان ارزشمند در صنایع دارویی، آرایشی - بهداشتی و غذایی محسوب می شود. با توجه به نیاز روزافزون به این گیاه، بیشتر تحقیقات انجام شده در زمینه کشت بافت بر تکثیر درون شیشه ای و ریزادیادی آن تمرکز داشته است ولی جنین زایی رویشی نه تنها به عنوان روشی مناسب در تکثیر انبوه، بلکه به عنوان شیوه ای مطمئن و کارآمد در تولید بذرهای مصنوعی و متابولیت های ثانویه، از نگاه...
Dog rose (Rosa canina L.) is one of the most important ornamental and medicinal plants which are used as a rootstock for ornamental roses such as Rosa hybrid and Rosa floribunda. In vitro propagation of rose has a very important role in rapid multiplication of species with desirable traits and in production of healthy and d...
Sesame (Sesamumindicum L.) as an ancient plant has traditionally used for centuries as a medicinal plant due to its natural antioxidants and plenty of medicinal properties. Seeds from different cultivars of sesame have various nutritional values and different genotypes showing different response to mature shoot buds meristems. In present experiment callus induction and plant regeneration of ses...
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