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- The underlying cause is environmental through air borne toxins as well as toxins in the water supply or food supply. 潜在致因是环境中藉由空气传播的毒素,以及水源或食物源所带来的毒素。
- Pressure-compensated air bearings are used on both ends of the trunnion axis. 耳轴两端各用一压力补偿空气轴承。
- It was found that the transmissions of Sal.enteritidis infection in the duck flork could be induced by oral route through feeding materials and drinking water or by air borne route of infection. 方法研究经饲料、饮水口服和空气传播引起感染的情况。结果肠炎沙门氏菌在鸭群中可经饲料、饮水由消化道或经空气传播从呼吸道进入而引起发病。
- This method are with a high accuracy and real time application,and can be applied in the calculation of allowable launching area of air to air missile in air borne fire control system. 提出了一种确定目标进入角的原理和方法,这种原理和方法具有较高的计算精度和实时性,易于工程实现,可用于机载火力控制系统完成空对空导弹允许发射区计算。
- Usirng the experimental bench devised, Experiment observed that the effects of the bearing vibration on instability of oil film laminar flow. 通过自行设计的实验台,实验观测了轴承振动对油膜层流失稳的影响。
- The paper analyzes the factors affecting bearing vibration and optimiged the parameters of miniature deep groove ball bearing rings and retainers. 分析影响轴承振动的因素,对微型深沟球轴承套圈、保持架进行参数优化设计,介绍闭式轴承结构特点和设计方案。
- For the nonstationarity and spectrum chaos of the bearing vibration signal, threshold denoising based on wavelet decomposition was put forward. 针对轴承振动的非平稳性特点和频谱成分的混杂性,提出了基于小波的信号自适应阈值降噪法。
- For the nonstationarity and spectrum chaos of the bearing vibration signal,threshold de-noising based on wavelet decomposition was put forward. 针对轴承振动的非平稳性特点和频谱成分的混杂性,提出了基于小波的信号自适应阈值降噪法。
- Interim Air Borne Target Acquisition System 临时机载目标捕获系统
- National Advanced Air Borne Command Post 国家高级空中指挥所
- Base on that,the application of wavelet transformation in fault diagnosis to analyse nonstationarity of roller bearing vibration signals with Daubieches wavelet is introduced. 针对轴承振动的非平稳性特点和频谱成分的混杂性,提出了基于小波的信号自适应阈值降噪法。
- B3-3.43/0.981 type back-pressure steam turbine in the power station of Nanyang Factory of Paraffin Fine Chemical has troubles of bearing vibration,thrust disc and journal scratch. 南阳石蜡精细化工厂动力站的B3-3.;43/0
- air borne systems for traffic surveillance 空中交通检测
- The air in the garden was warm and fragrant. 花园里的空气一片温馨。
- The archers sent their shafts through the air. 弓箭手向空中射出利箭。
- Air Borne and Surface Early Warning 空中和地面预警
- The trunnion assembly is supported by air bearings at the end of each arm and is held in position by brake shoes at each bearings. 耳轴组件的支承是每根臂末端的空气轴承,轴承上的闸瓦起定位作用。
- B3-3.43/0.981 type back-pressure steam turbine in the power station of Nanyang Factory of Paraffin Fine Chemical has troubles of bearing vibration, thrust disc and journal scratch. 南阳石蜡精细化工厂动力站的B3-3.;43/
- Chosen the jet eductor of air bearing equipment,paper introduced the structure、work elements and design method of jet educator. 以气浮设备中的射流器设计为例,介绍了射流器的结构、工作原理和设计方法。
- The article is detail descripted a 100MW turbine that the abatement process of the abnormal bearing vibration on the turbine during the first start-up after the unit completed the outage. 详细介绍了一台100MW机组经过大修后机组启动过程中产生振动异常的处理情况。