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total equivalent
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     Presents three indexes to evaluate the global warming impact, GWP (global warming potential), TEWI (total equivalent warming impact) and LCCP (life cycle climate performance).
     介绍了几种对全球气候变暖影响的评价指标 ,包括全球变暖潜值GWP、变暖影响总当量TEWI及寿命期气候性能LCCP。
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     And a simulation based on 0.5 μm CMOS technology with HSPICE indicates that a transimpedance gain of 57 dBΩ, a bandwidth of 1.5 GHz and a total equivalent input current noise of 6.4 pA/sqrt(Hz) have been obtained for the circuit.
     采用0.5μmCMOS工艺进行HSPICE仿真,结果表明,该电路结构能达到57dBΩ跨阻增益,1.5GHz带宽,6.4pA/sqrt(Hz)等效输入总电流噪声;
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     ECAP of copper was successfully carried out at room temperature, using 90° tooling with route C in which the sample is rotated 180° along its longitudinal axis in this study, obtaining a total equivalent true strain ~4. Equiaxed grain with clarity boundaries and average grain size of 0.2μm formed after four passes.
     本研究成功实现室温下纯铜C方式ECAP变形,累积等效应变达到~4,变形4道次后可得等轴大角度超细化晶粒组织,平均晶粒尺寸为~0.2μm。
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     The preforming process of 840 railway wheel was simulated by using commercial software MSC/Super Form. The distribution of the total equivalent strain and the metal flow track were analyzed.
     利用MSC/SuperForm商用有限元软件对840车轮预成形过程进行了模拟分析,得出 840 车轮预成形过程的等效应变分布及金属流动轨迹。
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     Equal Channel Angular Processing of the medium carbon steel (0.45 wt.% C) was successfully carried out at 500 C with route C in which the sample is rotated 180 along its longitudinal axis in this study, obtaining a total equivalent true strain ~4. The microstructure evolution of ferrite and pearlite in ECAP was investigated by means of optical microscopy (OM) and transmission electron microscopy (TEM) .
     本研究成功地实现了500℃时45钢的C方式ECAP变形,等效真应变达~4。 并运用光学显微镜(OM)、透射电子显微镜(TEM)及维氏显微硬度仪研究了ECAP变形后45钢中先共析铁素体及珠光体组织的演变特征。
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     Discussion on Total Equivalent Axial Movement Per Convolution in EJMA-2000 Addendum
     对EJMA—2000补遗中单波总相当轴向位移应用的探讨
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     the equivalent of E.
     E.
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     total ISp].
     total 15μl。
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     and total phosphorus.
     (2) 测定了微生物量磷组分。
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     is equivalent to the symbol ?
     熟知其可逆性,Fredholm性等价于符号?
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     Some Relationships And Their Applications of The Total Equivalent Orifice of Mines
     矿井总等积孔的几项关系与应用
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  total equivalent
The multiple deformations in the nonrecrystallization region significantly reduced εC,UFF, although the total equivalent strain for a given thermomechanical condition was higher than that required in single-pass deformation.
      
The total equivalent gate counts are reduced by 65.5%, maximum combinational path delay is reduced by 56.7%, and maximum net delay is reduced by 80.5% compared to conventional methods.
      
With protection for leukopenia and thrombocytopenia, a cyclophosphamide/thiotepa combination at very high doses maximizes total equivalent dose.
      
With no bone marrow protection, combinations with cisplatin offer a small improvement in total equivalent dose over therapy with the more active single-agents.
      
The estimated error of the total equivalent Poiseuille's resistance for the LAD artery computed from pruned data was 25.2% when compared with that computed from unpruned data.
      
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In this paper, the author, by choosing some kinds of typical mines and basing upon the following relationships, attempts to discuss that how to calculate and measure the different total equivalent orifice and the total resistances of these mines, and that how to select correctly and use properly the characteristics of fans installed at these mines. The mentioned relationships are as follows: (l) the relation between the total equivalent orifice or the total resistance of mines and the...

In this paper, the author, by choosing some kinds of typical mines and basing upon the following relationships, attempts to discuss that how to calculate and measure the different total equivalent orifice and the total resistances of these mines, and that how to select correctly and use properly the characteristics of fans installed at these mines. The mentioned relationships are as follows: (l) the relation between the total equivalent orifice or the total resistance of mines and the ventilation system of mines; (2) the relation between the total equivalent orifi ce or the totol resistance of mines and the air pressure on certain cross sections of air flow and (3) the relation between the total equivalent orifice or the total resistance of mines and the mechanical ventilation pressure with the natural ventilation pressure.

本文选择几种比较典型的矿井,从以下几项关系来探讨如何计算与实测这些矿井的总等积孔与总风阻,以及如何正确选择与合理使用这些矿井的扇风机特性.这几项关系是:(1)矿井总等积孔或总风阻与矿井通风系统的关系;(2)矿井总等积孔或总风阻与风流某些断面上的空气压力的关系;(3)矿井总等积孔或总风阻与机械风压、自然风压的关系.

Based on a large number of calculating indicator diagrams and total shear diagrams,, this paper induces a mathematical relationship between the over work ΔE_1~′and the value of the un-uniform torsional moment coefficent K′ produced by gas pressure. When the value of the over work caused by the reciprocating inertia force is added into the relationship, the total over work value results. The error of the total equivalent inertia of engines derived by the method of mathematical formula calculation instead...

Based on a large number of calculating indicator diagrams and total shear diagrams,, this paper induces a mathematical relationship between the over work ΔE_1~′and the value of the un-uniform torsional moment coefficent K′ produced by gas pressure. When the value of the over work caused by the reciprocating inertia force is added into the relationship, the total over work value results. The error of the total equivalent inertia of engines derived by the method of mathematical formula calculation instead of the prevailing method of table calculation can be controlled in the range of five per cent. An estimated formula for the weight of pistons and connecting rods is also presented in the paper by the use of the statistical method, so that a simple and relatively precise predication is provided for the predetermination of the torsional frequency of diesel engines.

本文根据大量的计算示功图及总切力曲线图,归纳出气体压力所产生的扭矩不均匀输出系数K′值和剩余功ΔE_1′的数学关系式,再叠加上由往复惯性力所产生的剩余功值,即得到柴油机的总剩余功值。用数学公式计算法代替目前所用的表格计算法。算得的柴油机总当量惯量Ⅰ。其误差可控制在5%以内,并用统计法提供了活塞、连杆重量的估算式,从而为先期确定柴油机的扭转自振频率,提供了一个简捷并且有一定精度的预估法。

A novel approach of modelling a switched DC-DC converter is presented. This method is very simple and suitable for simulation with program SPICE. The basic procedure of modelling is consentrating swithes in a subnetwork, finding its equivalent model, combining the subnetwork model and other elements of the converter, then a total equivalent circuit results.With the help of this method, we can realize the computer aided analysis of converters, such as input-output transfer function (ripple passing) and...

A novel approach of modelling a switched DC-DC converter is presented. This method is very simple and suitable for simulation with program SPICE. The basic procedure of modelling is consentrating swithes in a subnetwork, finding its equivalent model, combining the subnetwork model and other elements of the converter, then a total equivalent circuit results.With the help of this method, we can realize the computer aided analysis of converters, such as input-output transfer function (ripple passing) and pulse- wide- variant transfer function (control sensitivity). Illustrated example is provided.

为各种开关结构的直流功率变换器提出一种新的、统一的建模方法。该法的基本途径是:将变换器中的全部时变开关集中在一个子网络里,用时间平均技术及脉冲响应法,导出开关子网络的低频等效模型,与变换器的其它部分连结起来,构成了可用SPICE作辅助分析的全等效电路。该方法能够在计算机辅助下,对开关变换器作瞬态分析、输人-输出传递函数的频响分析(纹波抑制特性)、控制信号占空比与输出的交流分析。给出了分析实例。

 
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