The uncertainty of these parameters will lead to the uncertainty of equivalent infinitesimal generator and also the performance function. 这些参数的不确定性不仅导致等价无穷小生成子的不确定性,也导致性能函数的不确定性。
Conclusions: The kVp on X-ray tube should be indicated whenever specification of the lead equivalent for protective materials is described. 结果:含铅防护材料的铅当量随X射线峰值管电压变化不大;非含铅防护材料的铅当量随X射线峰值管电压变化较大。
In an economy without monetary or exchange-rate offsets to austerity, any reduction in spending is likely to lead to at least an equivalent short-run reduction in output ( a multiplier of one). 如果不以货币或汇率政策来抵消紧缩财政的影响,那么至少在短期内,产出的降幅很可能会与支出的降幅相当(乘数为1)。
This paper put forward a mathematics model of calculating the snake search torpedos lead angle by using equivalent sector method. 提出了一种用等效扇面方法对蛇形搜索航行鱼雷攻击有利提前角的解算方法,并通过仿真对模型进行了修正。
Objective: To explore the additional protection lead equivalent about new born's chest photograph to decline amount of absorber lowest. 目的:探讨新生儿胸部摄影时附加防护将照射野外腺体表面的吸收剂量降到最低的铅当量。
Description of Lead Nitride Equivalent of Detonator Strength and Its Application in Fuze Design 雷管威力的氮化铅当量描述及其在引信设计中的应用
The study on lead equivalent 铅当量研究
Study on Mechanical Parameters of Lead Rubber Bearing by the Equivalent Linear Dynamic Analysis Model 铅芯橡胶支座等效线性分析模型参数的研究
Predecessors have affirmed through both theoretics and practices that the vehicle moving loads would lead to more deformations and stresses for bridge structures than the equivalent static loads. 前人已经从理论和实践上证实了,在移动车辆荷载作用下,桥梁结构将产生比相同静荷载作用下更大的变形和应力。
The test results of lead rubber bearing are analyzed in this paper. The equivalent linearization model of hysteresis feature of the bearing is established, and the calculation method and rational value domain of design parameters for isolation device of this kind are presented. 通过对桥梁铅销橡胶支座试验结果的分析,建立了支座滞回特性的等效线性化模型,给出这种减震装置的设计参数的计算方法及合理取值范围。
According to this assumption, relation between linear absorbing coefficient, lead equivalent and density is deduced. 从而推导出玻璃的线性吸收系数、铅当量与密度三者的关系。
For some glasses the given theoretical values of lead equivalent are compared with the experimental values. 给出了一些光学玻璃铅当量的理论值,并同实验值进行了比较。
Purpose: Pass to analysis relations between the eyeable area to radiate dosage at maze, provide a reference basis for right choice the protection door the lead equivalent. 〔目的〕通过对放射防护中可视面积对迷路口的剂量影响分析,为正确选择防护门铅当量提供参考依据。
Method: Make use of the actual case example with eyeable area variety to increase quantity to get a dosage and the protection door lead equivalent at maze with the formula method calculation. 〔方法〕利用实际案例和可视面积变化增量用公式法计算迷路口剂量和防护门铅当量。
A process of low industrial cost and less amount of impurities is reported for the preparation of catalytic antimony trioxide. The amount of lead and arsenic in the product is equivalent to those of glycol antimony. 阐述了用较低生产成本制备低杂质催化剂三氧化二锑的生产工艺,产品中砷、铅等杂质含量与乙二醇锑中杂质含量相当,为聚酯生产降低成本,提高产品质量起积极作用。
And then proposed basic principle and implementation procedure of phase lead anti-islanding detection method with inverter grid equivalent circuit according to islanding IEEE Std. 按照孤岛效应的国际通行标准,结合逆变器并网的等效电路给出了相位超前的反孤岛检测方法及其基本原理和实现过程。
When the lead pitches are constant, the equivalent strain existing in soldered joints increases with the increasing of lead widths, the reliability of the soldered joints declines and the thermal fatigue life decreases. QFP引线间距固定时,随着引线宽度的增加,焊点等效应变值逐渐增加,焊点可靠性降低,热疲劳寿命降低;
The absorption of~ ( 60) co narrow beam γ-ray in optical glasses& on the relationship between linear absorbing coefficient, lead equivalent and density 光学玻璃对~(60)Co窄束γ射线的吸收&论玻璃的线性吸收系数、铅当量和密度间的关系
Thus, the measurement of lead equivalent and linear absorbing coefficient of glasses can be simply converted to the measurement of their densities. 由此,测量玻璃铅当量以及线性吸收系数等问题,变成了一个非常简单的密度测量问题。