查询词典 absorption coefficient

It is found that the position of vortex shedding is different fro m three-row cylinders. The time-mean pressure coefficient along the surfaces o f the cylinders is not changed with the void friction. But the fluctuating press ure coefficient reduces with the increase of void fraction.

试验结果表明：沿圆柱表面周向的旋涡分离点随着流动向深层发展，并向圆柱的背部移动；圆柱表面沿周向的时均压力系数几乎不随含气率的变化而变化；圆柱表面的脉动压力系数随着含气率的增加而减小。

Further, the influence of apodizing function, chirp coefficient and cross-coupling coefficient on the dispersion of thin-clad chirped LPFG is also analyzed.

进一步分析了切趾函数、啁啾系数、交叉耦合系数等参数对薄包层啁啾LPFG色散的影响。

Fourth, according to the Weibull distributing functions of equivalent loads, calculated the max loads by expanded sample method, acquired eight routine loads spectrum of each roads taking advantages of the Connover classification method, calculated the respective enhancement coefficient in principle of amended Miner linear accumulated fatigue damage rule, by the comparative norm of general tar-paved road, educed the mathematical model of calculating enhancement coefficient of synthesized roads.

第四，根据各路面的等效载荷的Weibull分布函数采用扩展样本法求得了各路面的极值载荷，按照Connover的分级法得到了各路面的八级程序载荷谱。以一般沥青公路为比较基准，采用修正的Miner线性累积损伤理论，根据前桥的S-N和P-S-N关系式得到了各路面的强化系数，建立了综合路面的强化系数计算的数学模型。

Analyzes the degree of influence of improving the external window heat transfer coefficient and changing sun-shading manner and sun-shading coefficient on the limited value of energy consumption.

分析了提高外窗传热系数、改变遮阳方式和遮阳系数对能耗限值的影响程度。

This article,on the basis of the limited value of energy consumption under the specified indicators for different climate subregions in Hot-summer and Cold-winter Area,analyzes the degree of influence of improving the external window heat transfer coefficient and changing sun-shading manner and sun-shading coefficient on the limited value of energy consumption.

文章以夏热冬冷地区不同气候子区域规定性指标下能耗限值为比较基础，分析了提高外窗传热系数、改变遮阳方式和遮阳系数对能耗限值的影响程度。

The results show that:(1)the low-noise source-follower circuit can be effectively used to measure the output of PVDF thin film;(2)the piezoelectric coefficient D33 of the PVDF is very sensitive on temperatures;(3)the value of D33 intensively fluctuate in initial loading stage,this means that a pre-load is needed in practice application to keep a constant piezoelectric coefficient D33 of the PVDF;(4)when the compressive load is imposed on the surface of the PVDF along a incline direction,D33 value is obvious changed with changing incline angle,and(5)the frequency bandwidth of the PVDF thin film is very wide,it is more suitable to measure strike or impact loading at various loading conditions.

结果表明：(1)低噪声源跟随电路可有效测量PVDF 薄膜输出；(2)PVDF压电薄膜的压电系数D33对温度很敏感；(3)D33值在加载初始阶段波动很大，所以实际应用中应给PVDF提供一个预压载荷，以确保有一恒定的压电系数D33；(4)当压载荷沿倾斜方向作用在PVDF 表面时，由于有剪切力作用，D33 值会随着倾斜角的变化发生显著改变；(5)PVDF 薄膜具有很宽的频响，更适用于测定不同载荷条件下的侵彻或冲击等动态载荷。

The experiment shows that:(1) In certain light intensity and electric field ranges (145～305V/cm) the material Si∶ with a resistivity of 1E4Ω·cm exhibits a current oscillation phenomenon at liquid nitrogen temperature;(2) At a certain electric field,the waveform of the current oscillation is stable and does not change with time;(3) The dependence relation between the oscillation frequency and light-intensity can be expressed by f=f0(L/L0)α where L0 is the minimum light-intensity needed to stimulate oscillation,f0 is the frequency under L0,L is the intensity of the light,and α is a coefficient that increase with electric field;(4) The modulating coefficient K K=(Imax-Imin/Imax decreases as the light increases;(5) The maximum value of the oscillation Imax decreases with the increase of the light-intensity while the minimum value of oscillation Imin increases slowly.

结果表明：在一定光照和电场范围内（276～305V/cm ，电阻率为10.4Ω·cm的材料在液氮温度下显示出电流振荡特性；在一定的电场下，电流振荡波形是固定的，不随时间变化；振荡频率随光照强度的增大而线性增大；调制系数随着光强的增强而减弱；振荡的最大值随着光照强度增大而减小，最小值随着光强增大而缓慢增大。

The result indicates that with organic fertilizer and inorganic nitrogen fertilizer can obviously increase the leaf dimension coefficient, enhance the content of chlorophyll and soluble protein, improve the SOD activity of flag leaf, depress the content of MDA, postpone the speed of decrepitude of flag leaf,; The status with high content of chlorophyll and leaf dimension coefficient lasts longer with organic fertilizer than with inorganic nitrogen fertilizer and the flag leaf have longer functioning time; the combination of inorganic nitrogen fertilizer and organic fertilizer can substantially postpone the speed of decrepitude of winter wheat.

在国内持续时间最长的肥料长期定位（28年）试验条件下，研究了肥料持续施用下冬小麦花后叶面积系数等生理指标的变化，结果表明施用有机肥、氮肥，可明显增大小麦的叶面积系数，增加叶绿素含量和可溶性蛋白含量，提高旗叶的SOD活性，降低丙二醛的含量，延缓旗叶的衰老；施用有机肥较施用氮肥，叶绿素含量及叶面积系数持续高值时间长，旗叶有更长的功能期；长期氮肥与有机肥配施能显著延缓小麦衰老。

The parameters of a car-engine were discreteness; nonlinear and uncertain characteristics, so a general average control model could not control accurately the excess air coefficient and the spark advance angle in dynamic procedure. A self-optimizing fuzzy control with an immune correction coefficient was proposed.

针对发动机参数具有离散性、非线性和不确定性，采用常规的平均值控制模型难以精确控制瞬态过程的过量空气系数和点火时刻的问题，提出了一种带免疫修正因子的自寻优模糊控制。

"DRILLS" UV board's materials are imported shaving board, which environmental protection coefficient achieves the E1 level standard. It is moisture-proof, not distorted;"DRILLS" UV board primer to select the Shanghai name brand PU paint. The color is bright, full, the environmental protection coefficient is high. It is high packing, high coherence, high smoothness.

钻牌UV板采用最先进生产流水线，国外最先进生产工艺，聘请国外资深技术人员指导研究，攻克了目前国内UV板生产所出现的 1 附着力 2 表面橘皮 3 颜色不鲜这三大难题，使板材成品开锯不刨边，镜面高光效果明显，色彩丰满诱人，不褪色，耐酸碱腐蚀。

After oxidation, pH value of the surface of carbon black has a specific relation with the volatile content.

氧化后炭黑表面的pH值与挥发分之间有一定的关系。

Knowing that such a person is warped and sinful; he is self-condemned.

因为知道这等人已经背道，犯了罪，自己明知不是，还是去做。