固体颗粒介质成形新工艺,是采用固体颗粒代替刚性凸模(或弹性体、液体)的作用,对金属板料成形的工艺。
Solid granules medium forming new technology (SGMF) is a technology which USES solid granules medium instead of rigid punch (or elastomer, liquid) to achieve the sheet forming.
目的观察不同气腹压力对气管隆凸位置的影响。
Objective to evaluate the effects of pneumoperitoneum on tracheal carina position.
研究设计:我们对75例患有先天性脊柱侧凸成形失败的患者的3dCT的形态学分析。
Study Design. Morphologic analysis was performed by 3-dimensional (3d) CT in 75 patients with congenital scoliosis exhibiting formation failure.
研究设计:对现有的在脊柱侧凸治疗中心进行治疗的患者的脊柱形状资料库进行聚类分析。
Study Design. Cluster analysis of existing database of spinal shape of patients attending a scoliosis clinic.
泄漏发生后对黄石河造成污染的区域包括北美凸鲈、低音鲶鱼、鲱鱼和鲑鱼,而且在更远一点的下游,麦尔斯城的下方,还有当地特有的浅色鲟鱼。
The stretch of the Yellowstone where the spill occurred contains sauger, bass catfish, goldeye, trout and, farther downstream, below Miles City, native pallid sturgeon.
介绍了固体颗粒介质成形新工艺,即采用固体颗粒介质代替刚性凸模(或弹性体、液体)的作用对板料进行软模成形的工艺,并阐述了新工艺的优点。
Solid granules medium forming technology is an advanced soft-tool forming technology which USES solid granules medium instead of rigid punch (or elastomer, liquid) to form sheet.
介绍了基座切断弯曲的工艺及模具结构,并对切断凸模、定位推杆及校正弯曲机构作了简单分析。
The cutting bending process and die structure of pedestal are introduced, and the cutting convex die, localization handspike and emending bending mechanism are briefly analyzed.
从理论上分析了凸模虚拟速度和板料虚拟密度对薄板变形能的影响。
The effect of punch virtual velocity and sheet virtual density on the sheet strain energy was studied in this paper.
最后对凸模糊映射的次梯度、次微分和微分等概念进行了研究,为模糊极值理论打下了基础。
The notions of subgradient, subdifferential, differential with respect to convex fuzzy mappings are investigated, which provides the basis of the theory of fuzzy extremum problems.
基于解非线形规划的凸单纯形法,对一类线形分式规划的消耗系数矩阵进行灵敏度分析。
Based on the convex simplex method for nonlinear programming, a sensitivity analysis of consumption coefficient matrix in linear fractional programming is presented.
对塑件上的孔、凸台等进行尺寸计算,根据计算结果对上盖和下盖上的各个部分尺寸和形状进行布置。
On the basis of the result we can lay out every parts of the upper cover and bottom cover in good size and shape.
其精度及数学上的凸特性和平滑程度对电路最终的设计结果有较大的影响。
The accuracy along with numerical convexity and smoothness of LUT will influence the final circuit design greatly.
借助拉格朗日乘数法建立增广的目标函数,提出等耗量微增率准则及静态锅炉模型辨识方法,对耗量函数的性质给出了凸性要求。
An enhanced target function is built up via Lagrange multiplier and the principle of equal mini rate of consumption increasement and the method of static boiler model analysis are put forward.
对束方法的研究涉及凸分析,线性和非线性规划,非光滑分析等数学分支。
Researches on bundle methods touch upon such mathematical branches as convex analysis, nonlinear programming and nonsmooth analysis.
介绍了激光重熔在面阵列封装钎料凸点成形中的研究进展,并且对PBGA共晶钎料球激光重熔进行了工艺研究。
Research status of laser reflow on solder bump forming of area array packages are introduced, and experimental analysis on laser reflow of PBGA solder ball is performed.
冲裁侧刃是端子模具中的重要工序,其冲裁形状和凸、凹模结构对端子生产质量影响很大。
Punching side blade is an important procedure of terminals die, its punching shape, concave die and convex die structure greatly impact the terminals on manufacture quality.
平台在其径向外端附近具有至少一个且最好是一对沿两个相反的轴向方向延伸的凸缘或凸棱。
The platform has at least one and preferably a pair of flanges or fins projecting in opposite axial directions adjacent radial outer ends of the platform.
然后开展了凸、凹弧翻边的回弹试验,通过对试验数据的统计分析,得出了各因素及交互作用对回弹量的影响大小。
Then experiments on springback in concave and convex edge flanging are carried out, significance of factors and their interactions are studied with statistics approach.
针对板料成形回弹精度问题的数值模拟,从理论上分析了凸模虚拟速度和板料虚拟密度对薄板变形能的影响。
For the simulation accuracy of springback problem in sheet metal forming, the effect of punch virtual velocity and sheet virtual density on the sheet strain energy was studied in this paper.
本文主要论述了MCM工艺过程及多芯片组装技术中的C4技术。并对M CM种类、MCM关键工艺、M CM凸点的制作方法等做了简单介绍。
This paper described the C4 fabrication of Multi-chip-modules and the MCM process, and also described the key point of MCM technology, the variety of MCM, the bump fabrication methods.
研究背景概述:依靠主观或半定量方法对脊柱侧凸的弯曲形状进行分类,以便合理制定手术计划。
Summary of Background Data. Subjective or semiquantitative methods can be used to classify curve types in scoliosis, with the goal of rationalizing surgical planning.
本文简述了凸底锭形状及凸底对提高板坯收得率所起的作用。
This paper describes the shape of truncated pyramid bottom ingot and its effect on slab yield.
利用有限元技术,对凸翻边钣金零件的高压橡皮成形过程进行模拟分析。
FEM has been used to simulate and analyze the high pressure rubber forming process of part with flange bending.
对新型凸曲前刀面刮削滚刀的理论构形误差进行了全面分析,探讨了各特征参数对构形误差的影响规律。
The profiling error of a new type skiving hob with convex curved rake face is analyzed and the change law of profiling error affected by parameters is expounded.
目的探讨增强型球囊椎体后凸成形术对椎体压缩性骨折后高度恢复的作用。
Objective to test the efficacy of kyphoplasty using an enhanced balloon expander in restoring the height of vertebral compression fractures (OVCF).
研究了焊接过程中焊接电流产生的电磁力对电容储能凸焊喷溅、接头强度及焊接工艺的影响。
The effect of electromagnetic force on the splash, joint strength and welding process of capacitor discharge projection welding is studied.
研究了任意形状凸粗糙物体对高斯光束的相干散射特性。
Thecoherent scattering of Gaussian beam by arbitrarily shaped convex dielectric object with rough surface is investigated.
应用成组技术对冷冲模凸模的特征进行了分析,采用特征代码设计了其零件分类编码系统。
The feature of convex-die is analysis by GT technology, and it's classification and coding system is designed by using characteristic code in this article.
本文在局部凸空间中对集值映射最优化问题引入超有效解的概念。
In this paper, we introduce a concept of super efficient solution of the optimization problem for a set-valued mapping.
本文在局部凸空间中对集值映射最优化问题引入超有效解的概念。
In this paper, we introduce a concept of super efficient solution of the optimization problem for a set-valued mapping.
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