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Abstract: The characteristics of the mechanism with an optimal structure and the basic principle of the design for the mechanism are discussed,and several design cases about a numerical control surface grinding machine for steam turbine cylinder are prese
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文摘:介绍了具有最优结构的机构特点及其设计的基本原则,并应用于汽轮机缸体数控随形磨削机的最优结构设计。 |
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Abstract: The characteristics of wavelet transform and its significance in image edge extraction are presented.The detailed steps for the extended target centroid calculation with wavelet transform are described.Extracting target(airplane) centroid coordi
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文摘:介绍了小波变换的特点及其在图象边缘提取中的意义,说明了扩展目标用小波变换进行目标形心计算的详细步骤,并以飞机图象为目标在不同图象模糊程度及背景噪音情况下用小波变换进行了目标形心坐标提取,比较了不同图象模糊程度及背景噪音情况下目标形心坐标提取的精度,展示了小波变换在扩展目标跟踪技术中应用的前景。 |
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Abstract: The chemical kinetic parameters of single-base p ropellant are determinated using microcalorimetry and the experimental condition s are studied.The results obtained are very imporant for the study of the decomp osition mechanism and sefety of gu
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文摘:用微热量热法系统测试了单基发射药的动力学参数，摸索了测试条件，其测定结果对今后发射药分解机理和安全性研究具有一定的参考价值。 |
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Abstract: The chromium leaching-out toxicity was determined with different extraction agents,different extracting time,different solid-liquid rate and different extracting method.In accordance with petroleum drilling engineering and protecting environment
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文摘:以铬为分析指标，探讨了钻井废弃泥浆在不同的提取剂、不同的提取时间、不同的固液比以及不同的提取方式下铬的浸出毒性大小，提出了适合评价钻井废弃泥浆中铬的浸出毒性的试验方法。 |
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Abstract: The classification for the explosion of limestone mine at Xuanhua Rron and Steel Company is gone on.According to the distinct characteristics of various explosion,the graded safety management is put into practice and the explosion accidents are
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文摘:对宣钢石灰石矿的爆破进行分类，根据各类爆破的不同特点实行分级安全管理，降低爆破事故。 |
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Abstract: The climate general situation of the highest temperature,relative humidity and wind speed in relation to the body feeling temperature from June to September in Qingdao city was analysed statistically.According to the calculating model of body fe
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文摘:统计分析了青岛市区夏季(6～9月)与体感温度关系密切的最高气温、相对湿度和风速的气候概况；根据体感温度的计算型式和有关气象要素的分布特征，得出其经验计算公式；分布在不同区间内的体感温度对应着不同的暑热指数及户外人群的舒适感受。 |
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Abstract: The climatic factors in different growth stages of late-seeded and filmed winter wheat were discussed with the application of the field test data.The agricultural climate cause of late-seeded and filmed winter wheat with high yield and water-sav
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文摘:根据田间试验资料，讨论了晚播膜下条播冬麦各生长发育时段气候条件的适宜程度，并分析了晚播地膜冬麦高产节水的农业气候原因，在此基础上确定了与复播棉花相配套的晚播地膜冬麦的品种选择。 |
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Abstract: The cohesive strength,the evenness of the cohesive stren gth,the shrinkage after washing and ironing of the clothing laminated lining mat erials insert great affects on the properties and qualities of the garments.To i nvestigate these factors a
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文摘:粘合衬的性能，如粘合强度，粘合强度的均匀性，水洗缩率和熨烫缩率对服装的性能和质量会起到较大的影响，分析与了解这些影响的作用和因素，对正确选择和使用粘合衬，提高服装的质量有着积极的意义。 |
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Abstract: The cold-pressing ceramic processing technique was used to prepare Ce-doped Barium Titanate ceramics.The solid solubility of Ce ions in BaTiO3 lattice and the effect of the Ce doping on the structure of BaTiO3 dielectric ceramics were investigat
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文摘:采用冷压陶瓷处理技术制备了铈参杂的钛酸钡陶瓷.应用X光衍射谱来调查铈在钛酸钡晶格中的固溶性以及铈的参杂对钛酸钡介电陶瓷结构的影响. |
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Abstract: The collectivity cooperation innovation capability is th e uppermost on e of modern enterprise.
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文摘:企业的创新能力是现代企业最主要的竞争能力。 |
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Abstract: The college students' motivation consists of two parts: internal motive power of learning and internal motive power of selfimprovement.
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摘要:大学生学习动机的有效成份主要是认知内驱力和自我提高内驱力。 |
