|
Abstract: The pollen morphology of 5 species of Corydalis from northeast China was observed and compared by SEM.The results declared the shape and size of the pollen and exine sculpture of the 5 species were basically stable and could serve as a taxonomic
|
|
|
文摘:用扫描电镜对东北延胡索极其近缘植物的花粉形态进行了观察，结果发现花粉粒在形状、大小、外壁纹饰、沟的长短及宽度等方面均有区别，从中获得了东北延胡索及其近缘植物分类方面的孢粉学依据.因此花粉的特征可用于区别延胡索类植物. |
|
Abstract: The possibility of applying fractal geometry to pattern design is discussed in this paper,that especially the set of self-similar applying to pattern design.
|
|
|
文摘:讨论了分形几何在图案设计中应用的可能性,重点讨论了自相似集在图案设计中的应用. |
|
Abstract: The pot-experiment shows that the coated-and mixed-fertilizer applied to rice only once can meet the need of rice in its various growth periods and increase the yield of rice.
|
|
|
文摘:盆栽试验表明，一次性水稻专用涂层复混肥一次性施用能满足水稻各生育期的需要，并能促进养分由稻秆向谷粒的转移，提高成穗率和产量，使用方便，节省劳力，有较好的推广应用前景。 |
|
Abstract: The power plant is the key unit of firefighting which is involved in inflammable and explosive materials,high accident rate and great losses.
|
|
|
文摘:发电厂到处都是易燃易爆物品，火灾事故发生率高，损失大，是防火重点单位。 |
|
Abstract: The practice of medical insurance system reform in our country has shown the over-increase of medical cost has become a major block for the sustainable development of medical insurance system.
|
|
|
我国医疗保险制度改革的实践证明，过快增长的医疗费用已成为医疗保险制度可持续发展的重要制约因素。 |
|
Abstract: The predictive methods of single building in the world includedhistorical statistical seismic damage method, spe cialist evaluation method, fuzzy analogy method, half～experience and half～theory method, structural theory method and development an
|
|
|
文摘:国内外单体建筑物的震害预测方法包括历史震害统计法、专家评估法、模糊类比法、半经验半理论法、结构理论计算方法和动态分析法。 |
|
Abstract: The preparation conditions of unsaturated polyester (UP) resins modified by PET were introduced in this paper.The copolymerization mechanisms of the synthesis of UP resins from cis-and trans-anhydride were researched.The relationship between the
|
|
|
文摘:本文研究了由聚酯改性合成不饱和聚酯树脂的反应机理和工艺条件，讨论了改性树脂反应活性与不饱和酸结构之间的关系，解释了顺、反式双键结构对改性树脂固化放热特性和反应活性不同的原因。 |
|
Abstract: The preparation conditions,practical properties and some problems relating its application of silver halide dry plate ofhigh contrast for holography are described.
|
|
|
文摘:本文研究了全息照相用高反差银盐干版的制备条件和使用性能，并就其应用方面的有关问题作了探讨。 |
|
Abstract: The preparation of cuprous chloride from etching waste liquor of cupric chloride and crude copper powder was studied.The result showed that this method had many advantages,including simple process,easy operation and good quality of product,there
|
|
|
文摘:以氯化铜蚀刻液废液、粗铜粉等为原料，在常温下反应制备氯化亚铜，工艺简单，操作简便，产品质量好，具有显著的经济效益和环境效益。 |
|
Abstract: The present paper experiments with and models the machinability of structural ceramics by EDM,providing a new method of analysing the machinability of stuctural ceramics by EDM.on certain conditions.
|
|
|
文摘:对常用结构陶瓷材料的电火花可加工性进行了实验研究和模型化分析，为预测特定条件下结构陶瓷材料的电火花可加工性提供了新的分析方法。 |
|
Abstract: The preventing and remedying desertification puts into practice prevention as main,principle of combining ecology protection with Prevensing and remedying,principle of preventing and remedy and economy development and utilization coodinated and
|
|
|
文摘:沙漠化防治实行预防为主，生态保护与防治结合原则，防治与经济开发利用相协调促进原则；综合防治与分类控制相结合；公众参与和整治者受益结合；对不同责任主体实行不同责任承担原则，由人为不当活动造成的沙漠化治理责任，实行行为者负担原则；对自然作用造成的沙漠化治理实行政府负担为主，受益者合理负担原则；确立统一规划制度；沙漠化状况调查评估与监测预警制度，休耕限耕和扶贫结合制度，禁限制度，优先区域与紧急行动区域制度。 |
