激光光束质量因子的研究进展。
讨论了任意光束的质量因子。
非傍轴光束的光束质量因子.I。定义。
Optical Beam Quality Factor of Nonparaxial Light Beams. I. Definition.
球差使平顶光束通过透镜后的光束质量因子增大；
The spherical aberration results in an increase of the beam quality factor of flat-topped beams.
如果有多个匹配，带有最高质量因子的匹配获胜。例如。
If there are multiple matches, the match with the highest quality factor wins. For example.
光束质量因子随空间相干性的增大和离心参数的减小而减小。
The beam quality factor of partially coherent ChG beams decreases with increasing spatially coherence and decreasing decentered parameter.
目的提取内部服务质量因子，并对员工满意度模型进行实证研究。
Results Internal service quality factor includes work & colleague, assistant management, work condition, work payment, consistency between responsibility and authorization.
同时提出了建立多元回归方程时，选择辅助因子和质量因子数量的原则。
Meanwhile, the principle of determing the numbers of assistant factors and qua…
分析了隧道级联半导体激光器内限制层厚度和垂直方向光束质量因子的关系。
The relation between the inner cladding layer's thickness and the quality factor of vertical beam is analyzed.
功率密度的二阶矩方法可用于截断光束，并克服了光束质量因子的发散困难。
It is also shown that the second-order moment method of the power density is applicable to the truncated beams and overcomes the divergence difficulty of the beam quality factor.
实验表明，当载体图像的质量因子大于35时，秘密信息的安全性可以得到有效保证。
Simulation results show that the proposed method is secure for cover images with quality factor more than 35.
这种光束在色散介质中的传输特性与光束传输因子(即光束质量因子)都值得作深入的研究。
This kind of beam needs more study on its propagation properties in dispersive media, as well as the beam propagation factor (originally called beam quality factor).
目的研究医院门诊人数增长与门诊医疗质量因子的关系，找出影响门诊人数增长的主要门诊医疗质量因子。
Objective Studying the relation between outpatients increase and factors of outpatients service quality, and finding out the factors affecting outpatients service quality.
以激光束矩量分析理论及光束质量因子的概念为基础，运用数理统计手段，导出了分析随机误差对测量精度影响的具体方法。
On the basis of the popular moment analysis and the concept of laser beam quality factor, the method to analyze such effects is deduced statistically.
将光纤缠绕至两种不同半径，实验测量了相应条件下激光器的输出功率和光束质量因子M2。缠绕半径为165mm时，输出功率为217W，M2为2.96；缠绕半径为52mm时，输出功率为160W，M2为1.38。
Output powers and beam quality factors M2 are measured under two different coiling radii. 217 W with M2 of 2.96 can be obtained for coiling radius of 165 mm and 160 W with M2 of 1.38 for 52 mm.
辨别引起系统质量特性波动的噪声因子。
Identify noise factors whose variation may affect the quality characteristics.
并对影响城市空气质量的5个主要因素进行主成分分析，找出最能代表原来数据信息的2至3个因子代替原来的5个变量。
Then 5 main factors affecting urban air quality to principal component analysis identify the most representative of the original data instead of the 2 to 3 factors 5 variables.
条带噪声是影响MODIS遥感影像质量和反演精度的一个重要因子。
Stripe noise is one of the important factors which degrade the quality and affect the retrieval precision of MODIS images.
提出利用土地环境条件、土壤物理特性、土壤养分因子反映矿区土地质量。
It is proposed that mined land quality can be estimated by environmental conditions, soil conditions, such as nutrient contents, physical factors.
结论研制了高质量的冻干小鼠神经生长因子，为NGF的临床前和临床研究奠定了基础。
CONCLUSION High qualified lyophilized mouse nerve growth factor has been produced, which has laid a foundation for further NGF application research.
实验结果表明，文中设计的模糊因子能有效的保证边缘图像细节和结构的质量。
Performance results show that in this paper fuzzy sets have been specifically designed to successfully preserve the quality of image details and textures.
本工作可以为研究室内空气质量和建筑物屏蔽因子提供一些借鉴。
This work can offer a reference for the studying of indoor air quality and shield factor of building.
目的对小鼠神经生长因子(NGF)基因治疗型DNA质粒进行质量控制。
Objective to control the quality of mouse nerve growth factor (NGF) DNA plasmid for gene therapy.
本文综述了国外松苗木质量的评价因子，对几项育苗技术试验结果进行总结。
This paper reviewed the evaluation factors of seedling quality and summarized the experimental results of several growing seedling techniques.
在现有灌溉条件下，土壤质量是制约生产力的主导因子。
Under the irrigation conditions at present, the main limited factor of productivity is soil quality.
论述了期刊影响因子与期刊的有用性、显示度、论文质量的关系以及学科间影响因子不平衡分布的问题；
The relationship between journal impact factor and paper quality, and the imbalance distribution of impact factors among different subjects are discussed.
目的探讨过敏性紫癜(hsp)患儿尿表皮生长因子(EGF)质量浓度检测及其对早期肾损害的诊断价值。
Objective to investigate the value of early diagnosis about urine epidermal growth factor (EGF) concentration change in children with Henoch-Schonlein purpura nephritis (HSPN).
从一个复杂的生态环境地质系统中选取评价因子，进行质量评价是十分困难的。
It is difficult to select assessment factors form the complicated eco-environment geology system and assess its quality.
对汽油蒸气的一些关键物性参数，如油气摩尔质量、压缩因子、蒸气压及油气——空气扩散系数等给出了推荐值或计算式。
Some key parameters such as gasoline vapor mole quality and compression factor, vapor pressure, and vapor-air diffusion coefficient were decided and recommended.
也有其不利的因子，如土地质量差、气候高寒、劳动力素质差、经济基础弱等。
It has also many disadvantageous factors such as poor land quality, frigid climate, low quality of rural Labour force, undeveloped infrastructure, etc.
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