Article through technology , economize and analysis of project , expound the fact ground source heat pump apply households of feasibility , and look forward to its prospect to every demand element of air conditioner 文章通过技术性、经济性和工程实例的分析，论述了地源热泵应用于户式空调的可行性，并针对空调行业各需求元素对其前景进行展望。
Finally this thesis discussed the tendency of manganese content influencing the wear resistance and pointed the contribution to wear resistance of alloy element in 28cr cast iron and gave the range of proposition manganese content 最后本文讨论了含锰量对耐磨性影响的趋势，指出了添加合金元素对28cr铸铁耐磨性的贡献，给出了建议含锰量范围。
Choosing appropriate structural elements to do morphologic operation on the fabric image can obtain weft and warp segmentation images ; then fabric density can be gained by analyzing weft and warp segmentation images 通过自适应的选择结构元素对织物图像进行形态变换，分别得到经、纬纱分割图像；并对经、纬纱分割图像进行进一步的统计分析得到织物密度。
Natural resource is defined as under certain technical and economic conditions , all natural elements existing in the natural world which are useful for human beings ， such as land , water , forest , meadow , wildlife and wild plant 自然的资源被定义为在某种技术和经济的条件下，所有存在于自然世界的天然元素对人类都是有用的，如陆地，水，森林，草地，野生动物和野生植物。
The impact toughness of the magnets could be improve with appropriate alloying elements addition during ball milling while there was no visible changes to the fracture behaviour , and the coercivity of magnets with al and ti was significantly enhanced 晶间单独或复合添加适量合金元素对磁体冲击韧性均有一定提高作用,但对断裂模式没有明显影响,复合添加ti 、 al能显著提高磁体矫顽力。
In addition to genetic factors , environmental factors affect the accumulation of ( - glucan ) ( significantly ) as well , for example , increase of nitrogen supply can increase ( - glucan ) content in oat seeds , but the ( details ) for how environmental factors 环境因素对燕麦-葡聚糖含量也有明显影响,氮素供应的增加通常会提高-葡聚糖含量,但是其他环境因子包括磷、钾等矿质元素对燕麦籽粒-葡聚糖合成及积累的影响还不清楚。
Abstract : in order to elevate a progressive cognition , promote the research and development of the classes and qualities of the diamond , the effects of the elements of b and n on the crystal structure , properties and application technology of synthesis diamond were introduced 文摘:介绍了硼氮元素对合成金刚石晶体的结构、性质与应用技术的影响,来提高人们对它的进一步认识,以促进对它的研究和开发,使金刚石品种、质量等得到迅速的发展。
Through analyzing the phase composition and microstructure of sm2fe17 - xnbx alloys ( x = 0 . 5 , 1 , 2 , 3 ) , we study the influence of the addition of element nb on the microstructure of sm2fe17 alloys . the results show that the as - cast structure of sm2fe17 - xnbx alloys can be improved effectively 本文重点研究了添加过渡族nb元素对sm - fe合金相组成和微结构的影响，实验研究发现：添加微量的nb元素可以有效的改善sm - fe合金铸态组织的显微结构。
By the method of orthogonal experiment , the effects of varied content of al , zn , sn and pb elements on the microstructure and properties of magnesium alloys were analyzed . the result showed that there were remarkable changes in the microstructure and properties after adding these elements . the impact toughness decreased and the hardness increased with the increase of the content of the elements 运用正交试验法，分析了不同含量的al 、 zn 、 sn 、 pb等元素对镁合金组织和性能的影响。结果表明，这些元素的加入明显改变了合金的组织与性能。随着al 、 zn 、 sn 、 pb含量的增加，合金的冲击韧性下降而硬度提高。
The future work will be concentrated as following : ( 1 ) the mechanism of the effect of doping in a site on 2pr should be clarified by the research on the rule of 2pr of sbti doped by the lanthanide serials having different ions radii ; ( 2 ) the properties bit - sbti doped in the b site should be studied ; ( 3 ) the thin films of these materials should be prepared and their properties should be studied 今后的工作要点主要为: ( l )用la系其它元素对sb五掺杂，通过改变离子半径，研究2pr的规律，验证我们提出的a位掺杂对材料zpr影响机理; ( 2 ) b位掺杂对brr - sb五的性能影响研究; ( 3 )这些材料的薄膜制备及性能测试。
