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Abstract: Suppressing airdefense operation has become a main type of air attack in order to decrease danger and man damage, pilotless aircraft is just suitable to this requirement.
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文摘:压制防空作战已成为近期局部战争的一个主要空中攻击作战模式,降低风险、减少人员伤亡是这种战法的初衷,无人机正适应这种需求。 |
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Abstract: Synthesis of 3,3’-dinitrochalcone under ultrasound irradiation using K2CO3 catalyst was reported in this article. This method have advantage of convenient operation, short reaction time and high yield.
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作者简介:王维(1976－)，男，回族，安徽全椒人，硕士研究生，主要从事高分子功能材料方面的合成与应用研究。 |
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Abstract: Synthetic method of butyl butyrate was investigated using silicotungstic acid ca talyst absorbed on activated carbon.
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文摘:用活性炭固载硅钨酸催化剂催化合成了丁酸丁酯。 |
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Abstract: System simulation technology as a synthetical technology composed of many disciplines has been developed and used in some fields in the past years.
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文摘:系统仿真作为一门多学科的综合技术,近几年得到较快的发展，已广泛地应用到许多领域。 |
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Abstract: TIPS image processing and analyzing system for infrared thermalimaging system developed was introduced.
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文摘:介绍研制的红外热象仪计算机图象处理与分析系统。 |
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Abstract: TIhrough grouting experiments in a single fissure and fracturenetworks, the basic law controlling the grouting seepage through rock mass is analyzed, and the factors which may affect the process are also discussed.
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文摘:通过单一裂隙岩体和裂隙网络岩体注浆渗流模拟实验，分析和总结了裂隙岩体注浆渗流中的一般规律，并讨论了影响注浆渗流工程的各种因素. |
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Abstract: Taken as materials,ammonium paramolybdate,molybdenum tri-oxide,molyb denum dioxide and molybdenum powder of different layers in thickness are reduced at different temperatures,and by analyzing the grain size,oxygen content and mo rphology of the
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文摘:以仲钼酸铵、三氧化钼、二氧化钼和钼粉为原料，采用不同的温度和不同的料层厚度进行了还原试验，分析了所得钼粉的粒度、氧含量和形貌，剖析了同舟内不同层次钼粉的粒度和氧含量的变化规律。 |
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Abstract: Taking Fushan Integrated Ecological Farm of Hangzhou City for an example,this paper introduced the biogas-project-linked eco-argicultural engineering model.
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文摘:以杭州市浮山综合生态场为例，介绍了以沼气工程为纽带的生态农业工程模式。 |
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Abstract: Taking a deep basal pit in Wuhan as a case history,this article adopts the numerical simulation method (Finite Element method)to study the variation of pit excavation depth、anchor prestress、pile width and embeded depth of pile and their relation
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文摘:以武汉某深基坑为例，采用有限单元数值模拟方法，研究基坑开挖深度、锚杆预应力、桩体厚度、桩体嵌入深度的变化与其锚式连锁灌注排桩支护结构水平变形位移的关系。 |
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Abstract: Taking a trial lot as example, this paper expounds the application of heavy tamping in the construction of subgrade focusing on its procedure,detection,quality control and result.
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文摘:以一工程试验段为例，说明了强夯法在路基施工中的应用，主要介绍了试验手段强夯施工的施工步骤、注意事项、检测手段及方法、质量保证措施及试验段结果。 |
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Abstract: Taking advantage of charge simulation method and potential coefficientmethod for ellipsoids, point effects of electric field near the surfaceof a satellite are calculated nummerically.Antenna point effects on a high voltage spherical satellite a
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文摘:本文使用模拟电荷法和扁椭球体的电势系数法较好地解决了尖端效应的数值计算问题,并用这一方法,计算了卫星表面尖端的效应. |
