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Abstract: A small aluminium factory, which limited by economic and technological condition, adopts wet process and dry process purification technology not worthwhile.
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文摘:小铝厂受经济、技术条件的限制,采用湿法、干法净化技术不合算。 |
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Abstract: A solution and conveying equipment for dissolve organic polymer flocculants was designed in the light of the deficiencies of easily absorbing moisture and dissolution difficulty of an organic polymer flocculant with excellent flocculability.It i
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文摘:针对具有高效絮凝性能的有机高分子絮凝剂存在易吸潮、难溶解的不足,设计了一种高分子有机絮凝剂的溶解输送装置,该装置简单实用,易于在污水处理生产中推广应用。 |
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Abstract: A special method in selecting the basic functions is presented on calculating the synthetic discrete method for the simply supported deep beams and the calculating results for such structures by this method coincide with those from finite elemen
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文摘:对简支深梁结构应用综合离散法计算时,提出了独特的基函数选取方法,并对此结构作了数值计算,与其它有限元法的计算结果十分吻合。 |
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Abstract: A statistical-simulation spectrophotometric method for the assayof the individual components in the compound formulation has been developed by building a model of the real absorbance-concentration relationships at several sensitive wavelengths w
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文摘:对统计模拟分光光度法测定复方制剂组分含量的方法进行了改进,用拉格朗日插值法建立灵敏波长下吸光度和组分含量之间关系的模型。 |
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Abstract: A strong ilmit theorem for the weighted sum of discrete random sequences is gotten by the method of net differentiability.
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文摘:利用网微分法,给出了离散型随机变量序列加权和的一个极限定理。 |
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Abstract: A study of characteristics of Bi and Au content in different media within gold deposits of Chifeng district has revealed that Bi is the most important indicator element in the geochemical prospecting for gold deposits of this district.
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文摘:研究赤峰地区金矿中不同介质的铋、金含量特征,显示出铋是该区金矿化探中最重要的指示元素。 |
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Abstract: A sub-circuit model for VDMOS is built according to its physical structure.Parameters and formulas describing the device are also derived from this model.Comparing to former results,this model avoids too many technical parameters and simplify th
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文摘:从VDMOS的物理结构出发建立子电路模型,进而导出描述其交直流特性的参数及模型公式.相对以往文献的结果,该模型避免了过多工艺参数的引入,同时对子电路进行了有效的简化.在参数提取软件中的加载结果表明,该模型结构简单,运算速度快,物理概念清晰,拟合曲线与测试数据符合精度高(直流误差5%以内,交流误差10%以内),适于在电路模拟及参数提取软件中应用. |
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Abstract: A suggestion of building web cities along the Pearl River Delta is raised in this paper through the summery of the study on the concept planning for Guangzhou and its placeless urban spatial development as well as the review of its traditional p
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文摘:通过对广州概念性规划研究工作的总结,对知识经济时代城市空间发展的非场所性进行研究,对传统中心地规划理论下的城市发展政策进行反思,提出了建设珠江三角洲网络型城市的建议。 |
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Abstract: A supply and demand coordination analyzing model based on the theory of the gray relational entropy has been developed using the theory of gray systems to combine the gray connectedness and gray entropy,providing the analysis of the coordination
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文摘:利用灰色系统理论,把灰关联度与灰熵结合起来,建立了基于灰关联熵理论的供需协调分析模型,为水资源供需协调分析提供新的方法,从而进一步完善了水资源评价体系. |
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Abstract: A surveillance study on enzoonostic nature of HFRS has been done in September1999,in the villages of Furao, Xinhua and Qianjin of Dayangshu District of Inner Mongolia.
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文摘:于1999年9月17-20日对内蒙古自治区呼伦贝尔盟鄂伦春自治旗大杨树镇的3个自然村(富饶对、新华村、前进村)的居民区和田野进行了肾综合征出血热(HFRS)疫源地性质调查。 |
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Abstract: A survey of an institution indicated that the eligibility rate of rediation intensity of ultraviolet lamps in microbiological laboratories were 32.2%?
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文摘:经调查,某单位消毒专业与非消毒专业微生物实验室紫外线灯辐照度值合格率分别为100%与32.2%。 |