弹簧

Aiming at the deficiency,the type of YHK-2 sliding nozzle is developed.The down nozzle adopts rotary-type,and gas springs are arranged to the both sides of a spring box in the structure of the sliding nozzle,then the question of bleeding out is solved and the life of gas spring is lengthened,and the cost of the production can be decreased by 138 Yuan per heat.

针对其不足，开发了YHK-2型滑动水口，把下水口改为旋紧方式，气体弹簧布置在滑动水口机构的两侧弹簧箱内，解决了下水口和下滑板间的穿漏钢问题并提高了气体弹簧的使用寿命，使每炉钢生产费用降低138元以上。

Our factory specializes in manufacturing all kinds of springs: compression spring, tension spring, torsion spring, circlip, special-shaped spring; a variety of car parts: Copper, Iron and steel aluminum car parts ; a variety of Chinese Division: Copper, Iron and Stainless Steel Flat Washers, Spring Washers, both inside and outside China Division, E-ring and other hardware.

本厂专业制造各种弹簧：压簧、拉簧、扭簧、卡簧、异型弹簧；各种车件：铜铁不锈钢铝车件；各种华司：铜铁不锈钢平华司、弹簧华司、内外华司、E型扣等五金。

Its chief material is made of imported high tempered steel wire and coir fiber.

弹簧山棕垫系列：采用进口高精钢丝和山棕纤维作主要材料，是弹簧垫和山棕垫合为一体的床垫，该床垫既有弹簧垫的柔软，又有山棕垫的坚韧，软硬适中、均匀承托人体，经久耐用，适合于任何阶层，任何年龄人士永久使用。

The nonlinear Winkler-Kelvin sub-grade model is adopted in this simplified model and the complicated 3-D problems of the soil-single piles dynamic interaction are simplified to the 1-D, that is to say, the lateral nonlinear acting force of the soil to the pile shift is simulated with thehorizontal nonlinear springs which have the continuous uniform distribution, while the nonlinear spring restoring force is described by the deteriorated Bouc-Wen model; the radiation damping and material damping due to the energy dissipation and inner friction in the soil are displayed with the dashpots which are in parallel with the horizontal nonlinear springs.

该模型采用非线性Winkler-Kelvin地基模型，将复杂的地基土-单桩动力相互作用的三维问题，简化为一维问题，即，地基土对桩轴的横向非线性作用力，由随深度均匀分布的水平非线性弹簧模拟，非线性弹簧恢复力由退化的Bouc-Wen模型描述；地基土中由于能量耗散和内部摩擦而产生的幅射阻尼和材料阻尼，由与水平非线性弹簧并联的粘壶表示。

In order to analyze the influence of filled metal particles on impact force for hydraulic pile hammer, analytical solution of mathematic model for pile hammer filled with metal particles considering effects of metal particles was presented. In the solution, lumped mass were used as metal particles, a spring was used as contact stiffness between metal particles and hammer body, different variable lumped masses were used as pile hammer, the ram and anvil, a spring and a dashpot were used as the anvil cushion and pile respectively.

为分析填充金属颗粒对打桩锤锤击力的影响，考虑填充金属颗粒的作用，用集中质量块表示填充的金属颗粒，用弹簧模拟金属颗粒与锤体相碰处的接触刚度，用不同的集中质量块表示桩锤、砧座和桩帽，用并联的弹簧、阻尼器表示锤垫，用弹簧表示桩垫，用阻尼器表示桩，建立了平衡方程。

3Tested ability of springs made in Japan and China by using this system. The ability of spring made in China accorded with using need. But it is necessary to ameliorate its rigidity and flexility.

3通过研制的力学性能测试系统测试了日本离合弹簧和国产离合弹簧的性能，通过比较分析，国产弹簧基本达到了使用的要求，但其刚度和柔性还需进一步改善。

Through carrying out force bearing analysis on the spring ring and utilizing the correlated theory of mechanics of materials,the relationship between bending moment and bending angle was derived while the spring was subjected to the action of bending moment.The computation formula of bending angle of spring was obtained,and an optimization was carried out on the parameters.

同时，对密圈圆柱螺旋弹簧的弯曲刚度和横向刚度的计算也有一定的研究，以往的普遍研究方法是将整个弹簧等效为一等截面的弹性圆柱体，基于普通弹性理论的方法导出了弹簧的弯曲刚度和横向刚度的计算公式，具有较大的误差[1，2]。

"There are two types of leaf spring, the multileaf and the single leaf."

钢板弹簧有两种，多叶片钢板弹簧和单叶片钢板弹簧。

"There are two types of leaf spring, the multi leaf and the single leaf ."

钢板弹簧有两种，多叶片钢板弹簧和单叶片钢板弹簧。

Based on the characteristics of structure and loading of the cylinder compress coil spring, the 3D finite element analyzing model of the cylinder compress coil spring in utility is established, and the finite analysis under the static and dynamic loading and life prediction are completed.

在充分考虑圆柱压缩螺旋弹簧的受力及结构特点的基础上，建立了比较符合实际的三维有限元计算模型，并对压缩螺旋弹簧进行了动静态有限元分析，获得了弹簧的刚度，进行了静强度校核、疲劳寿命估算和模态分析。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。