hardened layer 中文意思是什麼
hardened layer
解釋
硬化層-
Based on the construction of the testing section for the lining of jiping main canal in shandong province of south - to - north water transfer project, the main causes of the cracking from the mechanized lining concrete slabs are analyzed from the aspects of foundation treatment, bedding layer placement, quality of the raw materials for the concrete, placement of the concrete, cutting of the hardened concrete and the curing of the concrete, and then the relevant prevention and control measures are pertinently put forward
摘要結合山東省南水北調濟平乾渠工程襯砌試驗段施工情況，著重從地基處理、墊層料鋪設、混凝土原材料質量、混凝土澆築、成型混凝土割縫及養護幾個方面分析了機械化襯砌混凝土板裂縫產生的主要原因，並針對性地提出了預防及控制措施。 -
At present, with the development of land, there appear many phenomenon that soil structure was deteriorating, soil was getting hardened and impervious, black soil layer was getting thinner
黑土是我國的主要耕作土壤，目前隨著土地的開發，一些地區土壤結構破壞，板結嚴重，黑土層變薄，地力減退。 -
Considering different microstructures and properties of metal of hardened layer and the core of back - up roller, the distributions of shear stress below surface and the contact stress between work roller and back - up roller of a four - high - mill were simulated with nonlinear fem
摘要考慮軋輥表面淬硬層與其心部金屬材料組織性能的差別，採用非線性有限元方法對四輥軋機的工作輥與支撐輥間接觸應力及輥內剪應力分佈進行模擬，並將模擬結果與傳統強度校核方法進行了對比分析，研究了軋輥淬硬層厚度對輥間接觸應力的影響規律。 -
The action of overlapping manner on the microstructure and properties of the hardened layer was analyzed and some fundamentals were discussed. systemic experiments and laser processing of the mould - roller used in packaging machine, the screen - changers used in plastic extruder, the fiber - cutting roller used in chemical plant and the rail used for railway were accomplished. furthermore, the technique of laser hardening for the component parts was obtained and some key technologic problems were successfully solved
並結合工業應用，對包裝機械用模切輥、擠塑機換網器、化工行業用過絲輥和鐵路鋼軌等的激光表面強化技術進行了系統研究，獲得了對這些零部件進行激光表面強化的成熟的工藝，解決了這些零部件激光表面強化過程中的關鍵技術。 -
I. investigation on laser surface hardening for metal materials in this work, the effect of the process parameters in laser surface hardening on the properties and surface feature of the hardened layer was studied
一、金屬材料激光表面硬化技術研究。研究了激光表面淬火工藝參數和硬化層性能、強化效果之間的關系，對大面積激光淬火技術的基礎理論及搭接方法對組織性能的影響規律進行了探討。
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