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少数民族开放教育教学模式的构建及其实现——以内蒙古电大蒙汉双语教育为例

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现代远距离教育 2012年第6期 27-32页

作者：哈萨史亚飞七十三内蒙古广播电视大学内蒙古呼和浩特010051 内蒙古师范大学内蒙古呼和浩特010020

现代远程开放教育的办学形式突破了时空限制,使求学者在一定的条件下随时随地选择适合自己的学习活动,很适合边疆地区的少数民族学员,给他们创造了接受高等教育的均等机会。本文基于现代远程开放教育的特点,结合我国边疆少数民族地区的... 详细信息

现代远程开放教育的办学形式突破了时空限制,使求学者在一定的条件下随时随地选择适合自己的学习活动,很适合边疆地区的少数民族学员,给他们创造了接受高等教育的均等机会。本文基于现代远程开放教育的特点,结合我国边疆少数民族地区的实际和蒙汉双语教育的特殊性,提出了少数民族现代远程开放教育教学模式构建的基本要素及其实现条件,阐述了相关条件建设是确保教学模式运行的基础与保障。

关键词：少数民族开放教育教学模式

The corrosion scenario in human body: Stainless steel 316L orthopaedic implants

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Natural Science 2012年第3期4卷 184-188页

作者： Kean-Khoon Chew Sharif hussein Sharif Zein Abdul Latif Ahmad School of Chemical Engineering Engineering Campus Universiti Sains Malaysia Penang Malaysia

As the world’s populations increase and age, there is a parallel increase in the number of medical procedures addressed to bone related injuries. It is estimated that approximately 1 million of orthopaedic implant surgeries in association with total joint replacements are needed every year. This number is expected to double between 1999 and 2025 as a result of increasing numbers of musculoskeletal injuries (i.e., due to routine activities such as work, sport, etc.) and musculoskeletal diseases (i.e., such as osteoporosis, arthritis and bursitis due to increase age). Consequently, the increase demand for better quality of life has necessarily led people to opt for high quality orthopaedic devices for early recovery and speedy resumption of their routine activities. Unfortunately in the present time, it has been found that the current used orthopaedic implants have the tendencies to fail after long period of usage, due to the corrosion issue of implant in the human body. Therefore, this paper provides a simple overview about the corrosion issue of stainless steel (SS) 316L as implants in human body. Electrophoretic deposition (EPD) of hydroxypaptite (ha) bioceramic was proposed as the approach to minimize the corrosion phenomena. Additionally, the corrosion testing of ha coated SS 316L in comparison to pristine SS 316L was also performed and discussed.

关键词： Corrosion Metallic Implant Stainless Steel Electrophoretic Deposition Hydroxyapatite

Evaluation of Ceranock Attract and Kill System to Control Mediterranean Fruit Fly （Ceratitis capitata） in Citrus Orchards of Iraq

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Journal of Agricultural Science and Technology(A) 2014年第4期4卷 359-363页

作者： Mohammed Zaidan Khalaf hussein F. Alrubiae Shakir Al-Zaidi Agricultural Research Directorate Ministry of Science & Technology Baghdad 00964 Iraq Russell IPM Ltd. London 004401 United Kingdom

Field experiments were conducted using Ceranock bait station, ＂attract and kill＂ system to combat Mediterranean fruit fly, Ceratitis capitata, in citrus orchards of Baghdad and Wasit governorates, Iraq, during 2013-2014 season. Control program was implemented in six citrus orchards of mixed citrus varieties： Orange, Citrus sinensis; Mandarin, C. reticulate; Lemon, C. lemon; and Bergamot, C. aurantium. Ceranock traps 240/ha were hanged in trees of two separate orchards in each location, with third orchard served as control. Delta and McPhail traps supplied with pheromone were used to monitor Medfly population density in treated and control orchards. Results indicated that Medfly activity and presence in citrus orchards started during the first week of October coincide with the beginning of fruits ripening. The result indicated that Medfly population density in Wasit orchards was more than that of Baghdad orchards. The total trapped insects after two weeks of Ceranock were 59, 94, 142 and 205, 277, 765 adults for the firsst, second and the control orchards in the two locations, respectively. The percentage of fruit injuries were increased dramatically when fruits mature and its color turn to yellowish reaching of 35%, 56%, 21% and 32% in mandarin and orange fruits in Baghdad and Wasit orchards, respectively, compared with 3%, 4%, 4% and 5% in treated orchards, respectively. Calculated percentage of fruit damage indicated that reduction in injuries were 97% in mandarin and 96% in orange at Baghdad orchards and were 95% and 96%, respectively, in Wasit orchards. The results of this study demonstrate clearly the efficacy of Ceranock bait station, ＂attract and kill＂ system as a control measure for Medfly in citrus orchards.

关键词： Mediterranean fruit fly Ceratitis capitata ceranock traps citrus Iraq.

Breeding biology of a relictual Maghreb Magpie(Pica mauritanica)population in Tunisia

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Avian Research 2021年第1期12卷 28-36页

作者： Aymen Nefla Ridha Ouni Slaheddine Selmi said Nouira Department of Biology Faculty of Sciences of TunisUniversity of Tunis El ManarEl Manar II2092 TunisTunisia Tunisia Wildlife Conservation Society BejaouaSidi Thabit TunisTunisia Research Unit“Ecology of Terrestrial Fauna”(UR17ES44) Faculty of SciencesUniversity of GabesZrig6072 GabesTunisia

Background:The Maghreb Magpie(Pica mauritanica)is an endemic North African *** knowledge on this species is limited to historic descriptive data with no ecological information *** continue to dramatically decline in Tunisia,where only one relic population *** the breeding biology of this species is essential for conservation *** purpose of this study was to increase our understanding of the Tunisian relic population and provide detailed data on breeding biology over two breeding seasons(2017 and 2018).Methods:This study occurred on a private farm of 650 ha,located 10 km from Dhorbania village at Kairouan Governorate,in central *** nests were monitored weekly during egg laying period and twice a week during hatching *** Ivlev's electivity index was used to assess whether the frequency of use of nesting trees and bushes matched their availability in the study *** recorded nest measurements and positions,and compared them using Wilcoxon signed-rank *** of breeding parameters as number of eggs laid,hatchlings,and fledglings over years were performed using Mann–Whitney U-test andχ^(2) *** used a Generalized Linear Mixed Model(GLMM)to investigate how egg volume varied with clutch size and laying ***:We investigated clutch size,egg size,hatching and fledging success,and evaluated how these parameters varied according to laying date and nest *** size averaged 5.00±0.19 but was significantly greater *** of nest failure included the depredation of nestlings by shrikes,cobras and rats(*** meridionalis,Naja haje and Rattus rattus),death of parents by the Black-shouldered Kite(Elanus caeruleus)and nest parasitism by the Great Spotted Cuckoo(Clamator glandarius).Clutch size,brood size and fledgling success were unaffected by laying date,nest volume and nest *** volume decreased with laying date but was unaffected by ***

关键词： Clutch size Laying date Maghreb Magpie Nesting habitat Nest success Relic population Tunisia

Comparison of Antioxidant Activity and Antioxidant Components in Lettuce, Onion and Tomato Obtained with Different Levels and Forms of Nitrogen Fertilization

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Journal of Agricultural Science and Technology(A) 2014年第7期4卷 597-604页

作者： Ragab Abdelmohsen E1-Mergawi Khalid Naser Al-Redhaiman hussein F. Abouziena Department of Plant Production and Protection College of Agriculture and Veterinary Medicine Qassim University Buraidah51452 Al-Qassim Saudi Arabia Department of Botany Agricultural & Biological Research Division National Research Center Cairo 12622 Egypt

The effect of N levels and sources on the antioxidant components in vegetable is not completely understood. Therefore, greenhouse experiments were conducted to determine the changes in antioxidant capacity diphenyl-2-picrylhydrazyl （DPPH） and ferric reducing antioxidant power （FRAP）, total phenolics, ascorbic acid, total carotene and lycopene contents in edible portions of lettuce, onion and tomato due to different nitrogen levels and sources. The experiment included three N levels （20, 40 and 60 kg/ha for lettuce trial and 60, 120 and 180 kg/ha for either onion or tomato） and four nitrogen sources （calcium nitrate, ammonium sulphate, ammonium nitrate and urea）. The antioxidant capacity and phenolic contents in lettuce was enhanced under low nitrogen level, while the antioxidant capacities, phenolics, carotenoids and lycopene in tomato fruits were not significantly affected by the nitrogen dose applied. Application of calcium nitrate caused 50% increase in DPPH and 20% in FRAP of lettuce compared to other nitrogen forms. Tomato treated with calcium nitrate or ammonium sulphate had higher phenolic and ascorbic acid contents than treated plants with ammonium nitrate or urea. Antioxidant tested parameters of onion were not significantly affected by the nitrogen treatments. Nitrogen concentration in tomato fruits significantly correlated with FRAP antioxidant capacity, phenolics, ascorbic acid, carotene and lycopene contents.

关键词： Ammonium nitrate ammonium sulphate ascorbic acid calcium nitrate carotene phenolics urea.

Two Iranian Rice Cultivars’ Response to Nitrogen and Nano-Fertilizer

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Open Journal of Ecology 2017年第10期7卷 591-603页

作者： Mehrdad Ghasemi Lemraski Ghorban Normohamadi hamid Madani hussein Heidari Sharif Abad hamid Reza Mobasser Department of Agronomy Science and Research Branch Islamic Azad University Tehran Iran Department of Agronomy Arak Branch Islamic Azad University Arak Iran Department of Agronomy Qaemshahr Branch Islamic Azad University Qaemshahr Iran

This experiment was carried out as split factorial in randomized complete blocks design with three replications in sari, Iran during 2013 and 2014. Rice cultivars were chosen as the main factor including Tarom Mahalli and Tarom hashemi. Nitrogen rates (34 and 69 kg N ha−1 and nitroxin) with nano-particle (nano-potassium, nano-silicon and control) selected as the subfactor. The results indicated that the amount of total tiller per hill and fertile tiller per hill for Tarom hashemi was more than Tarom Mahalli in both years. The highest paddy yield in both years was observed for Tarom hashemi, the main reason behind it is increasing panicle length and fertile tiller number for this cultivar. For Tarom hashemi, the highest paddy yield (5000 kg⋅ha−1) was produced with 34 kg N ha−1 and nano potassium application. For Tarom Mahalli, the highest paddy yield 4657 kg⋅ha−1 was obtained with nitroxin and nano potassium consumption. The highest harvest index was achieved with nitroxin and nano-silicon consumption. Therefore, nano particle consumption in both cultivars resulted in improved yield.

关键词： Nano Particle Nitrogen Nano Silicon Rice Yield

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多元文化视野下远程开放学习的支持服务

天津电大学报 2014年第1期18卷 9-12页

作者：哈萨赵春玲内蒙古广播电视大学内蒙古呼和浩特010011

从统一多民族国家的现实出发,根据"多元一体"的文化发展格局,以内蒙古"蒙汉双语"开放教育为例,运用个案研究方法,以尊重不同文化为出发点,从少数民族学员的文化背景、民族心理、使用语言、网络与多媒体学习环境等维度探究学习支持服务... 详细信息

从统一多民族国家的现实出发,根据"多元一体"的文化发展格局,以内蒙古"蒙汉双语"开放教育为例,运用个案研究方法,以尊重不同文化为出发点,从少数民族学员的文化背景、民族心理、使用语言、网络与多媒体学习环境等维度探究学习支持服务的差异性和有效性,廓清少数民族远程开放教育学习支持服务的构成要素;凝练民族性和地域性特征的学习支持服务的模式,使远程开放学习支持服务的内在价值得以更为充分地实现。

关键词：多元文化远程开放学习支持服务