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Objective To probe into the effects of military noise on the hearing threshold of the speech frequency and high frequency in the elders.

目的 探讨军事噪声对老年人言语频率及高频听力的影响。

In order to analyze the influence of pulse-width on optical nonlinearities below the band edge, the threshold intensity to examine the relative strength of bound-electronic and free carrier nonlinearity is studied.

为了分析脉冲光的脉冲宽度对带隙区光学非线性的影响，用光波传输方程研究了区分束缚电子光学非线性和双光子吸收诱导自由载流子非线性相对强弱的临界光强。

Research and development of ABS/ASR for HFC6820 light bus is a challenging project. In fact the dissertation is a report of the project. In this dissertation a logic threshold controller based on the driving wheel skid rate is successfully designed for the HFC6820 light bus.

结合江淮汽车集团生产的HFC6820客车，建立该车驱动过程的数学模型和计算机仿真模型，包括：整车动力学模型、车轮模型、发动机模型、传动系模型、轮胎-地面模型、制动器模型、ASR控制逻辑。

Based on the model, we provide a new simple analytical expression for the threshold voltage of the sidegating effect .

在此基础上，得到了旁栅阈值电压的新解析表达式。

Under the conditions of moderate laser polishing, the zero probability damage threshold of the fused silica chip is increased by 30%, and no negative effect on transmission wavefront is introduced.

结果发现，在中度激光抛光的程度下，其零概率损伤阈值提高了30%左右，且对透射波前没有造成不利影响，从而证明了CO2激光预处理提高熔石英基片抗激光损伤能力的有效性。

MethodsMouse twisting numbers induced by acetic acid, mouse pain threshold after heat stimulation on hot-plate and in hot-water tests were observed to investigate the analgesic effects, meanwhile, the contents of prostaglandin E (PGE2) and malondialdehyde and the activity of superoxide dismutase in mice serum and cerebrum were measured to explore primary analgesic mechanisms of calonyction aculeatum beans.

方法采用醋酸致小鼠扭体法，小鼠热板法及小鼠温浴法，观察月光花豆乙醇提取物的镇痛作用，同时检测热板法小鼠的血清和脑组织PGE2、MDA的含量及SOD活性。

Animals in model group received L5 left hemilaminectomy and L5 dorsal root ganglion epineuriumet section and caudal vertebrae nucleus pulposus autograft,which was used to establish a modified rat model of non-compressed lumbar intervertebral disc herniation,while animals in Sham group received muscles autograft.50% paw withdraw threshold（50% PWT） of left hind limb was measured 1 day before surgery and on the 1st,3rd,7th,14th and 21st day after surgery in each group by "Up-Down" method to detect the change of the mechanical hyperalgsia.

模型组在左L5神经背根神经节应用自体髓核组织移植建立大鼠非压迫性腰椎间盘突出模型，假手术组应用自体肌肉移植。

Methods:Separately test the threshold values such as sense of cold, sensation of warmth, cold pain sensation and sense of heat pain of the testees on the left thenar eminence and left hypothenar eminence. Of the tests 28 persons were simultaneously tested of the identical left and right lateral positions and 21 persons were repeatedly tested two weeks later .

检测230例正常人左手大小鱼际肌的冷觉、温觉、冷痛觉、热痛觉，对其中28例右手做相同测试，对其中21例2周后做重复测试。

The article improved and expanded the threshold access control model based on quantified permissions, solved the problems of access control system deduced by introducing permission quantity into permission concept, such as huge quantity of permissions and vales, heavy administration load, and inadequation to deal with the dynamic quantity evolution.

对基于量化权限的门限访问控制方案进行了改进与扩展，解决了权限概念引入权限量后导致的访问控制系统权限及角色数量巨大、管理负荷沉重以及不适应权限量动态演化的问题。

The influences of mean stress, multiaxial stress and yield stress on the fatigue crack growth rate and the threshold value are analyzed.

分析了平均应力、多轴应力和材料屈服应力等对疲劳裂纹扩展速率和门槛值的影响。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。