neem相关论文
Integrated Effect of Moringa and Neem Seed Powder on Cotton Aphid,Aphis gossypii Glover(Hemiptera:Ap
Cotton aphid Aphis gossypii Glover(Hemiptera: Aphididae)is very destructive and serious pest of cotton....
Mineral dust can indirectly affect the climate by supplying bioavailable iron(Fe)to the ocean.Here,we present the record......
Production of safe food through organic farming while maintaining soil sustainability is the crucial challenge of recent......
从极的区域的冰核心记录价值大学习长期的气候和环境变化。格林兰冰核心记录为他们的高分辨率被庆祝并且为理解晚第四级的 palaeoc......
首次进行了超声波、微波辅助溶剂法提取nimbin的研究，分别考察了超声波、微波的作用时间、功率以及料液比对nimbin提取率的影响，同时......
本研究试验印楝素杀虫剂对家白蚁趋向和取食行为的影响。在１０天内家白蚁工蚁忌避印楝素１０，３０，１００，３００和５００ｐｐｍ处理的滤纸。在室内的选择和非选择试验中，家......
首次采用正交实验法详细考察了常规溶剂法对印楝种仁中萜类物质nimbin的提取效果，得到（1）各因素的影响大小依次为料液比〉提取时间〉......
首次研究了nimbin质量百分含量为3．4％的粗提物对棉铃虫幼虫的室内抑制生长发育和毒杀生物活性。实验结果表明：1）nimbin粗提物稀释200-3......
首次成功探索了一条快速、经济、有效的分离纯化nimbin的精制流程,即一次硅胶柱层析—→二次Florisil柱层析—→甲醇结晶的分离精......
Evaluation of Neem-based Compound Fertilizer for Crop Production in Samaru, Moist Savanna of Nigeria
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采用自行设计的微音监控系统,研究了植物杀虫剂印楝对茶树害虫假眼小绿叶蝉鸣声通讯的影响.结果表明,印楝种子提取物内吸处理茶梢,......
报道了印楝提取物对假眼小绿叶蝉的室内生物活性测定结果.研究表明:印楝提取物对假眼小绿叶蝉2～3龄若虫有较好的拒食作用,处理后24h......
印楝素是目前世界上最优秀的植物源农药,田间登记应用已30多年,对全球作物保护和生态安全发挥了重要的作用。本文回顾了印楝素的发......
从印楝种仁粗提物中分离到6种纯度较高的活性成分，并进行了室内毒力测定和抑菌活性研究，结果表明，所有成分对供试菌种均有一定抑制效......
应用害虫种群系统控制的状态空间方程和作用因子添加分析法,模拟1%印楝素乳油对小菜蛾种群的控制作用,结果表明,印楝素乳油对小菜......
应用超临界CO2萃取技术从印楝种子中萃取印楝素,研究了萃取温度、压力和夹带荆对印楝素萃取效果的影响,当温度、压力和夹带剂量为3......
印楝中的有效成分印楝素是一种比较完美的植物源杀虫剂.本文叙述了国内外有关印楝研究的现状、有效成分的提取方法、印楝素及其制......
采用常规溶剂萃取和CO2超临界萃取技术，从印楝（Azadirachta indica A．de Jussieu）种仁中萃取印楝素，以3龄和5龄瓜绢螟[Diaphania indica......
阐述了开发印楝脱皮机的必要性及其研制方案的确定，分析了印楝脱皮机的工作原理，并对设备制造材料进行了说明。......
试验结果表明，3种不同印楝素用量作用下的小菜蛾体内保幼激素滴度在36h时都明显高于对照。3种用量作用下的O-脱甲基酶活力都受到抑......
The hardening characteristics of medium carbon steel and ductile cast iron using neem oil as quenching medium has been i......
Using insect repellent compounds, especially during the warm months, provides comfort for people and preventsspreading o......
Using insect repellent compounds, especially during the warm months, provides comfort for people and preventsspreading o......
Comparative evaluation of modified neem leaf, neem leaf and woodash extracts on soil fertility impro
Two field experiments were carried out at Akure (7oN, 5o101E) in the rainforest zone of Nigeria in 2006 and 2007 to dete......
Neem (Azadirachta indica) leaves was employed in a batch adsorption technique for the detoxification of congo red (CR) a......
采用常规溶剂萃取、微波辅助萃取和CO2超临界萃取技术从印楝种仁中萃取印楝素,以甜菜夜蛾为试虫对其室内杀虫活性进行了研究.结果......
Comparative Isotherms Studies on Adsorptive Removal of Congo Red from Wastewater by Watermelon Rinds
Equilibrium adsorption studies for detoxification of Congo Red (CR) dye from single component model wastewater by powder......
In vitro activity of neem oil [Azadirachta indica A. Juss (Meliaceae)] on Aspergillus flavus growth,
The effectiveness of neem (Azadiracta indica) oil on the growth, morphology, sporulation, viability of spores, aflatoxin......
The objective of this work was to evaluate the effect of a 5% neem extract on the presence of ticks. Forty creole cattle......
【正】Malaria is one of the most important parasitic diseases in the world which is transmitted by the Anopheles mosquit......
High-resolution mass spectrometric characterization of dissolved organic matter from warm and cold p
Dissolved organic matter(DOM)is an important component of ice cores but is currently poorly characterized.DOM from one H......
格陵兰冰芯以高分辨率著称,已经揭示的末次冰期出现的快速气候变化为我们深入了解地球气候环境变化的规律做出了重要贡献.目前,新......
采煤工作面综采过后上隅角顶板垮落问题是影响井下安全生产的重要问题。由于我国煤层开采深度逐渐增加,煤层地应力逐渐增大,在高强......
