content 1 meaning in Chinese
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- Sodium hydrogen carbonat for industrial use . determination of iron content 1 , 10 phenanthroline photometric method
工业用碳酸氢钠.铁含量的测定. 1 . 10 -菲绕啉分光光度法 - 1 , 10 - general methods of chemical analysis - method for determination of iron content 1 , 10 - phenanthroline spectrophotometric method
通用化学分析方法.第3部分:铁含量测定 - Abstract of contents 1 . background and significance of the topic human capital investment is the basic channel of china to shift from large population country to large human capital country
一、内容摘要: 1 、选题的背景和意义人力资本投资是我国从人口大国迈向人力资源强国的基本途径。 - The compound modification of silane wet method and stearic acid dry method modification combine the advantage of individual stearic acid modification and silane modification . the indices are listed as following : wetting contact angle 140 , penetration time 200 minutes , oil absorption contents 1 . 4 , dispersion degree17 . 5 . on the basis of compound modification , silane and stearic acid cooperation modification simplify the modification craft
试验研究表明，单一硅烷改性，干法效果优于湿法；硅烷湿法与硬脂酸干法复合改性，结合了硬脂酸、硅烷单独改性的优势，改性后的指标分别为：接触角140度，渗水时间200min ，吸油值31 . 4 ，分散度17 . 5ml ；在复合改性的基础上，硅烷与硬脂酸复配干法改性，进一步简化了改性工艺，改性后的指标分别为：接触角145度，渗水时间220min ，吸油值28 . 2 ，分散度18 . 0ml 。 - The basic mechanics knowledge in bridge construction is involved to the basic knowledge in many branches such as theoretical mechanics , structural mechanics , material mechanics , flexible mechanics , structural dynamics , earth mechanics and hydraulics mechanics etc . to show the reason of research thinking of this paper , the intersectional theory among engineering mechanics , engineering construction and engineering supervision is studied , it mainly include following content 1 ) framework and structure the framework is the system or structural frame that can produce action
2 、桥梁建设中的力学基础知识涉及力学中的理论力学、结构力学、材料力学、弹性力学、结构动力学、土力学和水力学等诸多分支中的基础知识。论文中对桥梁力学中的几个概念进行了详细的阐述，主要包括以下内容： 1 ）机构与结构机构是指能够产生运动的构架或体系。