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Abstract: Through a study on soil aggregate composition, nutrient status and enzymatic activity under mixed forest of Chinese fir Alniphyllum fortunei and pure stand of Chinese fir, the results indicated that, compared to pure stand, the soil structural p
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文摘:通过对杉木拟赤杨混交林及杉木纯林土壤团聚体结构、土壤养分状况及酶活性的研究表明，与杉木纯林相比，混交林土壤结构性能得到改善，供肥和保肥能力加强，各种土壤酶活性提高，土壤肥力较好。 |
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Abstract: Through analyses of the seven aspects such as the size of explosion abatement chamber, explosive, charge pressure, environment etc., the misfire reasons of the Nonel tube detonator are found and the relative solve methods are also given.
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文摘:从消爆气室的大小、药剂、压药压力和环境等7个方面分析了导爆管雷管瞎火的原因，并探讨了相应的解决方法。 |
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Abstract: Through analysis of properties of the moulds used in aluminium alloy forging products after nitriding process, the significance of moulds nitriding process in massive, medium or small type and high-precision aluminium alloy die forging products
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文摘:通过对生产铝合金模锻件所需模具经过氮化处理后的性能分析，阐述了模具氮化处理在大批量、中小型、高精度铝合金模锻件生产中的重要性。 |
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Abstract: Through analyzing "two basic facts，one striking contradiction" existing in present thermal power mix in China，it is thought that to develop such commercialized and matured electricity generation technology as supercritical pressure uni
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文摘:通过分析目前我国火电结构存在的“两个基本事实，一个突出矛盾”，认为发展超临压力机组这种已商业化的、成熟的发电技术是改善火电结构的有效途径；指出发展超临界压力机组面临着设计、制造和运行等几项技术难点，认为应在掌握新知识和新技术的基础上，努力实现我国发展超临界压力机组的技术跨越。 |
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Abstract: Through analyzing practical constitutes of energy consumed in the salt mine, the relatives between production and consummation of water and electric for producing 1 t of salt.
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文摘:通过分析矿山能耗的实际组成,及含盐量、吨水单耗和吨盐耗电的关系。 |
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Abstract: Through appropriately changing the water-inrush condition based on mechanical analysis, the potential energy function of water-inrush from coal floor could be derived, which conforms to the catastrophic model.
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文摘:对建立在力学分析基础上的突水条件进行适当变换，得到煤层底板突水势函数，它符合尖点突变模型。 |
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Abstract: Through assessment and analysis on water and soil resources in middle and south water diversion district proved the feasibility of agriculture comprehensive development in the district from the aspect of water and soil balance.
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文摘:通过对中南引地区水资源和土地资源的评价分析，从水土平衡角度证明进行中南引地区农业综合开发可行。 |
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Abstract: Through comparative tests between the black powder and a mixed powder in the hygroscopicity, combustion performance and output characteristics, their differences in the ignition performance were analysed and the viewpoints were presented on the
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文摘:通过对黑火药、混合型点火药在吸湿性、燃烧性能及输出特性等3方面的对比试验，分析两种药剂作为点火药使用时点火性能方面的差异，并对其使用范围提出了看法。 |
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Abstract: Through contrast test, characters of IG sealant filled by mineral oil were compared with those of the sealant unfilled by mineral oil ,such as durability ,heat aging resistance ,adhesive ability and the compatibility with hot melt butyl sealant
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本文通过对比实验，比较了掺油和未掺油中空玻璃密封胶的耐久性、热老化性能、粘接性能以及与热熔丁基密封胶的相容性，比较了其制造的中空玻璃的耐紫外辐照性能。 |
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Abstract: Through contrast test， characters of IG sealant filled by mineral oil were compared with those of the sealant unfilled by mineral oil ，such as durability ，heat aging resistance ，adhesive ability and the compatibility with hot melt butyl sealant
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摘要：本文通过对比实验，比较了掺油和未掺油中空玻璃密封胶的耐久性、热老化性能、粘接性能以及与热熔丁基密封胶的相容性，比较了其制造的中空玻璃的耐紫外辐照性能。 |
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Abstract: Through contrasts of the solution mining, this paper introduced situations of the brine mining in the connected double wells and applications of the directional technology in the mine wells.
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文摘:通过对水溶采矿方法的对比，分析双井对接连通采卤的优劣，以及人工受控定向技术在井矿盐中的应用和未来发展趋势。 |
