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The influence of soakage time on the tensile strength of carbonless copy base paper has been analysed.

本文初步探讨了浸水时间对无碳复写纸原纸湿抗张强度的影响，证明了浸水时间越长，相应的湿抗张强度越低。

Test results show that with an SBR loading of 15%,CNTs loading of 2%,and sodium benzoate loading of 2%,the impact strength is improved by 120%,tensile strength is improved by 6%,elongation at...

结果表明：当SBR、CNTs和苯甲酸钠用量分别为15%、2%和2%时，改性后PP的冲击韧性提高了120%，拉伸强度提高了6%，扯断伸长率提高了55%，弯曲强度提高了20%。

Test results show that with an SBR loading of 15%,CNTs loading of 2%,and sodium benzoate loading of 2%,the impact strength is improved by 120%,tensile strength is improved by 6%,elongation at break is improved by 55%,and flexural strength of the modified PP is improved by 20%,compared with pure PP.

结果表明：当SBR、CNTs和苯甲酸钠用量分别为15%、2%和2%时，改性后PP的冲击韧性提高了120%，拉伸强度提高了6%，扯断伸长率提高了55%，弯曲强度提高了20%。

Strain fatigue life in pearlite is longer than that in tempered sorbite with same tensile strength, which can be attributed to the small plastic strains in pearlite.

轨钢的应变疲劳是塑性应变控制过程，抗拉强度相等时，珠光体的应变疲劳寿命高于回火索氏体的疲劳寿命，其原因在于珠光体具有较小的塑性应变幅。

According to the curve,the spall strength,the thickness of spall scab and the tensile strain rate under different condition were obtained.

根据所得曲线波形计算出相应条件下的层裂强度、层裂片厚度以及各自的应变率，最后得到层裂强度随拉伸应变率变化的关系曲线。

Experimental study on mechanical behavior and tensile spallation of pure aluminium under laser shock loading.

强激光辐照下纯铝的力学响应和层裂的实验测量与分析。

Experimental study on mechanical behavior and tensile spallation of pure aluminum under laser shock loading.

强激光辐照下纯铝动力学响应和层裂的实验测量与分析。

The mechanical behavior and tensile spallation of pure aluminium subjected to intense laser irradiation were studied experimentally.

采用速度干涉测试技术，对强激光辐照下纯铝的动态力学响应和层裂特性进行了实验测量和分析。

The Company's advanced technology and equipment, detection means complete, currently has a large IF Elbow push system machine, large R bender, metal links extrusion hydraulic press, stainless steel elbow hydraulic extrusion machine, 2000T hydraulic press table big job and 1000T, 500T, etc. Four-column hydraulic press and high-power resistance furnace heat treatment, shot blasting machine, such as noisy jet pipe production equipment, is equipped with a universal tensile testing machine, chemical analysis instruments, non-destructive testing equipment, spark photoelectric read the whole spectrum, such as test equipment and test equipment , the Company has a large number of pipe fittings for many years engaged in the manufacture of engineering and technical personnel and skilled workers, with process design, manufacturing, welding, heat treatment, chemical cleaning, and product inspection and testing of the ability to undertake a variety of bend of high, medium , low pressure and high temperature and low-temperature pipe fittings manufacturing business.

本公司工艺装备先进，检测手段齐全，目前拥有大型中频弯头推制机、大R弯管机、金属三通挤压液压机、不锈钢弯头挤压液压机、2000T大工作台面液压机及1000T、500T等四柱液压机和大功率热处理电阻炉、喷吵抛丸机械等管件生产专用设备，配备了万能材料拉力试验机、化学分析仪器、无损检测仪器、火花光电全读光谱仪器等检验和试验设备，本公司有一大批多年从事管件制造的工程技术人员和技术工人，具有工艺设计、制造、焊接、热处理、化学清洗及产品检验和试验的能力，能承接各种规格的弯头的高、中、低压及中高温和低温管件制造业务。

In the course of FEM model building, tensile test experiment is taken to work out the real stress-strain curve. Ring compress test is also done in this paper, through which the friction coefficient is worked out and the friction mechanism and relevant friction model for tube stagger spinning is studied. The experiments ensured the veracity and reliability of the FEM modeling.

建模过程中，通过材料拉伸试验测定了旋压材料00Ni12Cr5Mo4TiAlV时效钢的真实应力应变曲线；利用圆环镦粗试验测定了材料在不同润滑状态下的摩擦系数，并对强力旋压的摩擦性质和摩擦模型的选择进行了研究，确保了建模关键参数的准确性和可靠性。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。