查询词典 extrusion

Extruded polystyrene insulation board is a polystyrene resin as raw material, through the special process of continuous extrusion molding of rigid foam board, its in-house as an independent closed bubble structure, is a high-compression, non-absorbent, moisture-proof, airtight, light-weight, corrosion resistance, long life, excellent performance and low thermal conductivity of the environment-friendly insulation materials.

挤塑聚苯乙烯保温板是以聚苯乙烯树脂为原料、经由特殊工艺连续挤出发泡成型的硬质板材，其内部为独立的密闭式气泡结构，是一种具有高抗压、不吸水、防潮、不透气、轻质、耐腐蚀、使用寿命长、导热系数低等优异性能的环保型保温材料。

In order to reasonably depict four basic problems with friction, one Coulomb friction new form in first Kirchhoff stress is proposed to deal with finite deformation problems, other Coulomb friction form in incremental mode to elastoplastic flow theory; Hilbert function spaces concerning elastoplastical problems with friction are established, so it makes all operations and calculations in the treatise standardized within the scope of reasonably topologic structure; In view of functional extremum, the equivalence between generalized variational inequalities principles in elastoplasticity with friction and corresponding basic problems are testified by inducing Lagrangian multipliers, so it provides a rationally theoretical basis for numerical methods in elastoplasticity with friction; From the viewpoint of variational inequality, the theory of generalized variational inequalities in elasticity and elastoplasticity with frictional constraint is studied, and the uniqueness and existence of the solution of FEM is proofed under the proposed conditions of stress compatibility, and them FEM approximation and a discrete solution are discussed; Based on the principles of generalized variational inequalities in elastoplasticity with friction, direct generalized variational inequalities methods is pretended, which is a natural generalization and development of direct variational methods; Using generalized variational inequalities methods, some examples in metal forming including plane deformation, upset and extrusion are analyzed and the results prove that all the theories and methods in the paper are right, feasible, accurate and advanced.

主要内容有：为了合理地描述金属塑性成形中摩擦约束弹性、弹塑性基本问题，提出和研究了有限变形下以Kirchhoff第一应力表示的Coulomb摩擦定律形式和弹塑性流动理论下以增量形式表示的Coulomb摩擦定律表示形式；系统建立了摩擦约束弹塑性问题的Hilbert函数空间，使本文规范在一个具有合理的代数拓扑结构内进行一切操作和运算；利用Lagrange乘子，从泛函极值的角度系统地阐述和论证了一系列摩擦约束弹性、弹塑性广义变分不等原理与相应的实际问题之间的等价性，它为处理摩擦约束的弹塑性力学数值方法提供了合理的理论基础；从变分不等式的角度出发，阐述了对应于摩擦约束弹性、弹塑性问题的广义变分不等式理论，首次提出了在应力相容性条件下，它的有限元解具有存在唯一性，进而讨论了其有限元近似及离散解法；基于摩擦约束弹塑性广义变分不等式原理，首次提出了直接广义变分不等式方法，这一方法是直接变分法的合理推广和发展；利用直接广义变分不等式方法对金属压力加工中的平面变形问题、镦粗、挤压等塑性成形问题进行了分析计算，验证了该理论和数值算法的正确性、实用性、精确性和优越性。

Forces of 15 g for the fine root of a lower incisor and 60 g for a molar are sufficient for slow extrusion.

部队的15政的细根的门齿，并降低60克的摩尔有足够的缓慢挤压。

And the company is the first one entitled to draft out the standard of low pressure casting line, which is a professional manufacturer of special casting equipment including low-pressure die casting machine, differential pressure die casting machine, extrusion die casting machine, inclinable gravity casting machine, air tight tester, air-elimination refine machines, hydrogen-test machines etc.

主要从事低压铸造机、差压铸造机、挤压铸造机、可倾式重力铸造机、气密性试验机、除气精炼机、测氢仪等热加工专用及辅助设备的生产。

Shanghai words exactly, is the largest insulation board extrusion production enterprises.

上海市恰字塑胶有限公司，是国内最大的挤塑保温板生产企业。

Housing construction insulation for the Extrusion board.

房屋建筑保温专用的挤塑板。

With the impact extrusion of chrome and copper the electric mouths as well as submerged are welding mouths enjoy the properties of high conductivity, highstrength, wearability and longevity, which all measure up with JB4281-86, JB/T7598-94 and conductivity of Luo rigidity promulgated by the State, Inteneration and temperature have attained the top level of China and the products have already been applied in various car manufactories in China.

导电咀、埋弧焊咀，采用铬锆铜合金为原料冷挤压成型，伸冷加工，具有导电率高、高强度、耐磨性强、使用寿命长等特点，符合国家部颁标准JB4281-86、JB/T7598-94、导电率洛氏硬度，软化、温度均达国内国内先进水平，产品已在全国各大汽车制造厂得到应用。

The aluminium pick up of stem in extrusion is one of the causes of inwall defects of the extruded aluminium alloy pipe.

穿孔针粘铝是造成铝合金管材挤压时产生内表面擦伤缺陷的主要原因之一。

Along extrusion direction, the isobar in groove becomes to perpendicular to mandrel axis from perpendicular to groove, while the isobar in annulus clearance becomes to perpendicular to mandrel axis from inclining to mandrel axis.

沿挤出方向，螺槽中熔体的压力等值线由垂直于螺槽逐渐变为垂直于轴向，环形间隙中熔体的压力等值线由倾斜于轴向逐渐变为垂直于轴向。

Ultra-high pressure vessels are widely applied in the fields and industries of chemical, petrochemical, artifical crystal, compound diamond, isometrical hydrostatics treatment, ultra-high hydrostatics extrusion, powder metallurgy, material moulding, physical geography, geologic mechanism etc.

超高压容器广泛运用在化学、石化、人造水晶、合成金刚石、等静压处理、超高静液压挤压、粉末冶金、金属成型、地球物理和地质力学等行业或领域。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48