Hazelett strip casting process is already successfully used for producing slug for impact extrusion.
哈兹列特铝板带连铸连轧工艺已被成功地用于铝和铝合金冲击挤压用坯料的生产。
Finite element analysis on deformation mechanism of soils under percussion-compact
冲击挤密作用下土体变形机理的有限元分析
The DTH percussion-compact drilling is a high efficiency technology drilling in soil strata, which use the impact force produced by hammer piston to crush and compact soil.
潜孔锤冲击挤密钻进技术集冲击钻进、振动钻进及空气钻进的优点于一体,钻进效率高,成孔质量好,在土质地层钻进工程中有着广阔的应用前景。
In this paper, a model of percussion-compact drilling is set up with ANSYS Finite Element Analysis software.
为了对阶梯式钻头的结构进行优化设计,提高冲击挤密钻进效率,采用Drucker-Prager屈服准则为判据,将土体视为DP材料,冲击钻具视为刚体,利用有限元软件ANSYS建立了冲击挤密钻进有限元模型,基于APDL参数化语言对阶梯钻头的台阶数目及钻头结构尺寸进行了优化设计和试验研究。
Penetration Mechanism of DTH Percussion Compact Drilling and Experimental Research on Compact Bit;
潜孔锤冲击挤密钻进机理及挤密钻头的设计与实验研究
Finite element analysis on deformation mechanism of soils under percussion-compact
冲击挤密作用下土体变形机理的有限元分析
The optimization design and experimental research on percussion-compact step drill bit
阶梯式冲击挤密钻头结构优化设计及试验
Finite Element Analysis and Test Study on Deformation Mechanics of Soils under Percussion-Compact;
冲击挤密作用下土体变形机理的有限元分析与实验研究
The Pore-forming Mechanism Study of Cam Bit on Percussive-Rotary Extruding DTH Drilling
凸轮型冲击回转挤压钻头成孔机理的研究
Comparison of vibrating chip pile and vibrating pressing sandstone pile;
振冲碎石桩与振动挤密砂石桩性之比较
Application of Compaction Lime Brick Rubbish Pile by Columnar Impact Rammer for Strengthening Subgrade
柱锤冲扩挤密灰渣土桩在路基处理中的应用
The entropy density is constant ahead of the shock.
冲击波前方的熵密度是恒定的。
According to methods of Allen's spinal injury, a 600gcm-strike power was put on the intraocular portion of the optic nerve and created a striking injury on optic nerve.
方法:参照Allen脊髓损伤法,造成视神经眶尖段间接600gcm力冲击、挤压伤。
impact-resistant polystyrene(ps-i) moulding and extrusion materials-part 2:preparation of test specimens and determination of properties
耐冲击聚苯乙烯模和挤塑材料 第2部分：试样的制备和性能的测定
Application of Treatment to Fill Foundation with Lime-soil Compaction Piles Thrusted-explanded in Column-hammer;
柱锤冲扩灰土挤密桩法在处理杂填土地基中的应用
Lime-soil Compaction Pile Combined with Down Hole Dynamic Compaction Applied in Collapsible Loess Foundation;
灰土挤密桩与柱锤冲扩桩联合处理湿陷性黄土地基
The Application of Construction Technology of Vibroflotation Sand Compaction Pile in the Beach Foundation Treatment on Atlantic Coastal Areas
振冲挤密砂桩施工技术在大西洋沿海地区沙滩地基处理中的应用
Application of Vibro-compaction Technique to Strengthen Sandysoil Foundation in Coastal Engineering
振冲挤密法加固砂类土地基在海岸工程中的应用
to strike, thrust or shove against, often with head or horns.
用头或角击，戳，挤。
Low impact Virgin Polypropylene plastic, yellow as stanclard colour.
低密度耐冲击聚乙烯塑胶，外观为黄色警示色。
The Design and Development of a Sealed Water-level Controller Case for Surge-watered Dust Collector
冲击水浴除尘器密闭式水位控制箱的研制
THEORETICAL RESEARCH ON IMPACT RESPONSE OF POROUS MATERIALS WITH INITIAL ULTRA-LOW DENSITIES;
极低初始密度疏松材料冲击响应特性理论研究