1、

The ambipolar diffusion coefficient of charged copper species in copper vapor laser is theoretically deduced.

推导了铜蒸气激光器带电粒子的双极扩散系数。

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2、

Stability of consequent bedding rock slope is evaluated by the stage of displacement alternate, which is got by analyzing the displacement alternate process of key monitoring point and spatial displacement distribution status and suggestion value of safety factors when whole displacements are consistency.

从关键点位移变形状态和空间位移分布状态,结合位移较一致时边坡安全系数建议值,综合分析边坡所处的变形阶段、变形趋势,以此来评价边坡的稳定性。

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3、

Before the efficiency, Almon polynomial method was used to analyze the input and output of scientific research institutes in advance to eliminate the lag of input indicators and therefore get the lag phase and lag coefficient.

在进行效率评价之前,本文首先用阿尔蒙多项式法对科研机构的投入产出进行了滞后性分析,以消除投入指标的滞后性影响,得到了科研机构的滞后期和滞后系数。

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4、

The test proved that, the seeding quantity variance coefficient of the allotter with the shunting cone is lower by 2% than that of the allotter without the shunting cone under the same work conditions.

试验结果表明:如果其它条件不变,分配器安装分流圆锥要比不安装分流圆锥时的变异系数低2%左右;

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5、

Calculation of efficiency factor in Alford ′ s force

Alford力中效率系数的一种计算方法

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6、

Structural analysis of hoist boom with load enhancement mechanism in crane LOAD ENHANCEMENT FACTORS AND IT'S USE IN THE CERTIFICATION OF COMPOSITE AIRFRAMES

起重机动臂增加增荷机构后的结构分析复合材料飞机结构验证试验载荷放大系数法

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7、

The main goal of the research is to assist aircraft crew, especially the maintenance men, to eliminate failures rapidly and accurately when they maintain the airplane, to enhance the work efficiency and gain more economic benefits and higher safety quotiety.

其目的主要在于帮助机务人员,特别是帮助维修人员在维修时,迅速、准确地找到并排除故障,提高工作效率为民航事业取得更好的经济效益和更高的安全系数。

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8、

Theoretical Research on the Influence of the Air Content on the Friction Coefficient of Concrete

引气量对混凝土摩擦系数影响规律的理论探讨

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9、

Based on the basic cooling load calculation principle of harmonic wave response method in an air conditioned building, calculates cooling load in the air conditioning system. Checks the method in experiments.

根据空调建筑谐波反应系数法冷负荷计算基本原理,将谐波反应法用于空调冷量计量,并在实验中进行检验。

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10、

Comparative study about the calculation of cylindrical gear drive design are processed between the standards of ISO/ GB and AGMA, then the specialty of calculating formulas is researched and the meaning and selection of relative fators are investigated.

对ISO/GB与AGMA标准下圆柱齿轮传动的设计计算方法进行了比较研究,较详细地分析了计算公式的特点及相关系数的含义与选取。

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11、

To reduce the aerodynamic resistance coefficient is one of the effective way to save energy.

汽车节能的主要途径是降低气动阻力系数。

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12、

Discussion on how to calculate a multi-span aerial cableway by the correction factor method

用补正系数法计算多跨索道悬索张力的探讨

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13、

In the range of experiment, the oxygen transfer coefficient KLa has a directly proportional relationship with the aeration degree increasing;

结果表明,在实验范围内,随着曝气量的增大,氧传质系数呈直线上升;

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14、

Using cross sections of the electron impact excitation processes the velocity coefficients for reactions were calculated. It was confirmed that excitation of the resonance level 3d 9 4s 2 2 D with Hbr admixtures is going better.

利用交叉区电子碰撞激发过程计算了反应速度系数,表明具有HBr混合物的3d94s22D能级的共振激发更好。

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15、

This paper reports the current studies on the film cooling characteristics of single-row holes on flat plate at different blowing ratios, and analyzes the distributions of adiabatic film cooling effectiveness and heat transfer coefficient downstream the film holes.

对不同吹风比条件下的典型单排孔冷却结构的平板气膜冷却特性进行了实验研究,对冷却孔下游的气膜冷却效率及换热系数分布规律进行了分析。

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16、

For better use of the traction and braking characteristics of metro vehicle, the value of the adhesion factor between the wheel and rail should be selected reasonably, so that the vehicle is under a favorable utilization of adhesion.

为了较好地发挥车辆的牵引、制动性能,需要较合理地选择轮轨间粘着系数取值,从而使车辆处于较有利的粘着利用状况。

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17、

Starting from the running characteristics of the metro vehicle, it is proposed that influence of acceleration and deceleration should be considered for the calculation of adhesion factor of metro motor vehicle. The calculation formula is also given.

从地铁列车的运行特点出发,提出电传动地铁动车计算粘着系数的计算要考虑大加、减速度的影响,并提出了具体的计算公式。

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18、

A study on the adhesion factor of pumpable concrete and its measuring method

泵送混凝土的粘附系数及其测定方法的研究

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19、

Approach on valuation of calculation adhesion factor for metro vehicles

地铁车辆计算黏着系数的取值探讨

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20、

The correlation coefficient of the corresponding parameters in the group fed with ad libitum feeding were-0.46, 0.97 and-0.46respectively.

而在自由采食下,这三个相关系数则依次为-0.46,0.97和-0.46。

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