نتایج جستجو برای: β 0143
تعداد نتایج: 177583 فیلتر نتایج به سال:
β- آمینو الکلها کاربرد وسیعی در زمینه های صنعتی، بیولوژیکی و دارویی دارند. واکنش افزایش هسته دوستی آمین ها به اپوکسید ها یکی از روشهای موثر برای سنتز این دسته از ترکیبات می باشد که معمولاً به وسیلهء اسیدهای لوئیس از قبیل zncl2، ساماریوم یدید ، آلومینا ، sn(otf)2 و ... انجام می شوند. از آنجاییکه این روشها دارای معایبی از قبیل زمان واکنش طولانی، شرایط سخت واکنش، راندمان پایین، استفاده از حلال سمی ...
Vol. 26, No. 6, 2014 773 Received September 30, 2013, Revised November 8, 2013, Accepted for publication December 4, 2013 Corresponding author: Ken Igawa, Department of Dermatology, Tokyo Medical and Dental University, Graduate School of Medicine, Yushima 1-5-45, Bunkyo-ku, Tokyo 1138519, Japan. Tel: 81-3-58035286, Fax: 81-3-5803-0143, E-mail: [email protected] This is an Open Access artic...
Affi liations: From the Asthma and Allergy Research Group, Medical Research Institute, Ninewells Hospital and Medical School, University of Dundee. Financial/nonfi nancial disclosures: The author has reported to CHEST the following confl icts of interest: Dr Lipworth has received unrestricted grants from Chiesi Ltd and Teva Pharmaceuticals Industries, Ltd; has acted as consultant to Cipla Limit...
Vol. 29, No. 2, 2017 229 Received December 14, 2015, Revised February 23, 2016, Accepted for publication April 4, 2016 Corresponding author: Takeshi Namiki, Department of Dermatology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45, Yushima, Bunkyo-ku, Tokyo 113-8510, Japan. Tel: 81-3-5803-5286, Fax: 81-3-5803-0143, E-mail: [email protected] This is ...
When people use natural language in natural settings, they often use it ungrammatically, missing out or repeating words, breaking-off and restarting, speaking in fragments, etc.. Their human listeners are usually able to cope with these deviations with little difficulty. If a computer system wishes to accept natural language input from its users on a routine basis, it must display a similar ind...
the rose sawfly, arge rosae linnaeus, is one of the most destructive pests of rose bushes in the north of iran. nowadays, many attempts have been made to reduce pesticide application by looking for new methods of pest control. a non chemical method for controlling insect pests including a. rosae can be achieved by using genetically engineered plants expressing carbohydrase inhibitors. therefore...
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