查询词典 fatigue

Correspondently, the fatigue strength of B-free bainitic steel is higher than that of B-alloyed bainitic steel.

以此结果，提出了提高设计贝氏体钢的屈服强度的合金化途径与工艺途径的理论依据。

It can provide references for counteracting fatigue design and crack propagation management of container cranes' structure.

对岸边集装箱起重机结构的抗疲劳设计及裂纹管理具有一定的参考价值。

When playing sports, muscle fatigue as well as vigorous use of the muscles can cause cramping.

当进行体育活动时，肌肉疲劳和肌肉的激烈运动都可能造成抽筋。

Onset is 3-10 days after exposure Symptoms Severe crampy pain, tenderness over the colon or liver, loose morning stools, recurrent diarrhea, loss of weight, fatigue, and sometimes anemia.

发病是3-10天曝光后，症状严重crampy疼痛，压痛，在结肠或肝脏，松散上午凳子，经常性腹泻，体重下降，疲劳，有时贫血。

The research on anti-fatigue and anti-hypoxia functions of octacosanol extractants and the relativity of which with the purities of octacosanol extractants were carried out in this paper, which depended on the target related to creatural action and biochemistry.

并且本文将这三个纯度的二十八烷醇产品作为受试物，从动物行为学和生化指标的变化，来研究其抗疲劳、耐缺氧作用和检验其功效与二十八烷醇产品纯度是否具有相关性。

The subjective symptoms questionnaire and the CROM instrument were used to evaluate VDT operators' neck fatigue.

本研究使用自觉疲劳症状问卷及颈部量角器，进行VDT作业人员颈部疲劳调查。

This result is consistent with the measurement of CROM. Hence, our study develops the CROM be an objective instrument suitable to measure VDT operators' neck fatigue.

此与颈部量角器测定之工作后颈部活动度变差，有一致性的结果，同时发现本研究发展出使用颈部量角器测定法可作为VDT作业人员颈部疲劳的有效测量工具。

The fatigue cracking in Ni〓Al SC at room temperature is characterized by the stage Ⅰ crystallographic cracking.

在室温下，Ni〓Al单晶体中的疲劳开裂是第一阶段性质的晶体学开裂。

Aiming at the fracture in operation of damageable pump shaft used on locomotive, macroscopic and microscopic analysis of the pattern of fractured cross section in pump shaft is conducted and it is recognized that the fracture is typically caused by combined action of bending and torsion fatigue.

针对机车用水泵轴在使用中容易发生断裂的问题，对水泵轴断口的宏观和细观形貌进行了分析，认为断口为典型的弯扭复合疲劳断口。通过检测水泵轴上装配的齿轮，发现由于齿轮的加工误差过大，在轴的退刀槽根部造成了较大的附加拉应力，最终导致轴的断裂。因此及时消除齿轮的加工误差，同时提高安装精度，是防止此类断裂发生的关键

Sliding bearing not only pass working force,but also sustain high surface velocity,which require the material to have soft parts,in order to obtain fine working behavior and difficulty to damnify by extra impurity,and have hard parts to acquire fine wearability and fatigue strength.

由于滑动轴承既要传递作用力又要承受很高的表面速度，这就要求轴承材料既要具有软组分，以获得良好的运行性能，如磨合性、顺应性以及尽可能小的咬和倾向，且不宜被外来杂质所损伤；又要具有硬组分，以获得良好的耐磨性和抗疲劳强度。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。