阈值效应

活性评价结果显示，负载Ni催化剂在甲醇气相羰基合成醋酸反应中存在较为明显的阈值效应。

The results of catalyst performance experiments indicated the threshold effect of supported Ni catalysts existed in the carbonylation of methanol to produce acetic acid .

同时，经济增长速度也有阈值效应，如果超过人均GDP增长速度10%，经济增长会造成污染排放超常增加。

Besides , threshold effect exists in GDP growth rate , too : when it exceeds 10 % , extraordinary increase takes place in pollution emission .

N沉降的阈值效应和累积效应也都符合中度干扰理论。

The threshold and accumulation effects of N deposition could also be predicted by an intermediate disturbance hypothesis ( IDH ) .

NiO-Al2O3催化剂重整反应中的阈值效应

Effect of threshold value of NiO / γ - Al_2O_3 catalyst in the reforming reaction

研究表明，随着合成孔径长度和信噪比的增加，ML估计误差可以很快地收敛于CRB，但存在阈值效应。

It is demonstrated that ML estimating error can converge to CRB quickly with increasing synthetic aperture length and Signal to Noise Ratio ( SNR ), but a threshold effect exists .

掺镁铌酸锂晶体中浓度阈值效应的研究

Study of Concentration Threshold Effect in Mg-doped Lithium Niobate Crystals

计算机电磁信息泄漏阈值效应研究

Study of threshold effects of information leakage arising from computer

单种群动力系统存在种群大小的阈值效应；

A threshold effect exists in single population dynamic system .

酒精与肝硬化：剂量关系抑或阈值效应？

Alcohol and cirrhosis : Dose-response or threshold effect ?

岩石强度应变率阈值效应与局部二次破坏模拟探讨

Strength modeling for threshold effect of strain rate and local second rupture of rocks

这种联系没有明显的阈值效应。

This relationship has apparently no threshold effect .

我国城乡收入差距对实际经济增长的阈值效应（英文）

The threshold effect of the urban-rural income disparity on real economic growth in China ;

同成分掺镁铌酸锂晶体紫外光致吸收阈值效应的研究

Studies on the Threshold Effect of the Ultraviolet-Light-Induced Absorption Change in Congruent LiNbO_3 ∶ Mg

中国城市化对城乡收入差距的阈值效应&基于我国省际面板数据的实证研究

Threshold Effect of Level of Urbanization to Rural-Urban Income Disparity in China & Based on the Provincial Panel Data

在一定流速下，螺线管内通电电流对这种芯片的微通道内的热效应具有阈值效应。

Under a certain velocity , the thermal effects aroused by current on the chip micro-channels are of threshold effects .

利用耦合波方程分析了相位共轭效应和受激散射阈值效应对受激散射光发散角的影响。

The influence of the phase conjugation effect and the threshold effect of stimulated scattering on the divergence of stimulated scattering was discussed .

社会-生态系统是由人类社会系统和自然生态系统耦合的复杂自适应系统，具有自组织、非线性和阈值效应等多种特征。

Social-ecological systems refer to the linked systems of people and nature , which are dynamic , non-equilibrium , hierarchical and with multi-stable state mechanism .

实验结果证实了利用受激布里渊散射实现激光大气传输补偿的有效性，证明利用阈值效应在目标上主动获得小面积信标的方法是可行的。

The results indicate the laser propagation with SBS effect and the method to realize the beacon of small area on the target are feasible .

本文综述入射电子在样品中的散射、二次电子的产生机制和低能电子逸出的能量阈值效应。

In this paper , the scattering of incident electrons , generation mechanisms of secondary electrons and the threshold energy effect of escaped low energy electrons are reviewed .

在理论上分析了受激布里渊散射相位共轭效应和阈值效应对后向受激布里渊散射光束发散角的影响。

The phase conjugation effect and the threshold effect of stimulated Brillouin scattering ( SBS ) on the divergence angles of back SBS were discussed in the theory .

由于阈值效应，弱抽运时受激热瑞利散射与受激布里渊散射一样将丢失原始波前中较弱的相位信息；

Under weaker pumping conditions stimulated thermal Rayleigh scattering would loss weaker phase information in original wavefront as same as stimulated Brillouin scattering did due to threshold effect ;

本文将人类的视觉亮度适应特性（也叫视觉阈值效应）应用到了数据驱动视觉注意机制当中，构成了新的视觉感知匹配的数据驱动视觉注意机制计算模型。

In this thesis , a new data-driven VAM computation model matching the visual perception is put forward , in which the brightness-adaptation characteristics ( also called the luminance threshold effect ) of human vision is applied .

本文考虑了晶体管各种寄生电容和阈值衬底调制效应，导出了单管动态RAM中S/R放大器检测灵敏度与材料、工艺、电路参数间的定量关系。

With various parasitic capacitors and the bulk effect of the threshold voltage of MOSFET in consideration , a quantitative expression is derived for the sensitivity of S / R amplifier in LSI single-transistor-cell DRAM as a function of the materials , technology and circuit parameters .

Ni/AC催化剂的分散阈值及阈值效应

Dispersion Threshold and Threshold Effect of Ni / AC Catalyst

连续激光辐照下光学材料损伤阈值的光斑效应

Spot Size Effect of CW Laser Induced Damage Threshold in Optical Materials

给出了出现热晕效应的功率阈值和热晕效应中重要的Bradley-Hermann热畸变参数。

The lowest power threshold of thermal blooming and Bradley-Hermann thermal distortion parameter which is important to thermal blooming was given subsequently .

石英光纤的传能效率、损伤阈值和损伤积累效应研究

A Study on Power-delivery Efficiency Laser , Laser-induced Damage Threshold and Damage Accumulation Effect of Silica Fiber