Objective to investigate the value of early diagnosis about urine epidermal growth factor (EGF) concentration change in children with Henoch-Schonlein purpura nephritis (HSPN).
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。
Thus, the stress concentration factor due to the misalignment should be considered in the analysis of fatigue life of the local structures.
因此，在对局部结构进行疲劳强度分析时，应考虑错位对于应力集中系数的影响。
The stress concentration factor of cylinder is much larger than that of other three kinds.
圆柱形颗粒的应力集中在基体达到屈服后要远远高于其他三种颗粒。
Result showed that the sludge original concentration is an important factor affecting its thickening solids.
结果表明：污泥的起始浓度是影响其浓缩性能的一个重要因素。
The effect of glucose concentration is the main factor of Zymomonas mobills producing ethanol.
葡萄糖浓度是影响运动发酵单胞菌生产乙醇的关键因素。
Objective: to discuss the influence of the hereditary and family factor on children blood lead concentration.
前言：目的：探讨遗传易感性及家庭因素对儿童血铅浓度的影响。
The stress concentration is a key factor causing fatigue failures. It is very important to make a quantitative research on the stress level and distribution characteristics of BHA.
应力集中是钻具疲劳破坏的一个关键因素，定量计算钻具在井下所承受的应力水平及其分布规律显得尤为重要。
Results: The concentration of PVA was the significant factor affecting the particle size (P<0.05).
结果：聚乙烯醇（PVA）浓度是影响微球粒径的的显著因素（P<0.05）；
The stress concentration factor (SCF) decreased with the increase of the width of plates when the hole diameter was definite.
结果表明：在开孔尺寸一定的情况下，随着板宽的增大，开孔损伤板的应力集中因数减小；
This paper presents the parametric equations on stress concentration factor(SCF) of completely overlapped tubular joints under axial loading using experimental and numerical analysis.
通过试验和数值研究推导了完全叠接管节点试件在轴向力作用下应力集中因子的参数方程。
And the relativity of ground particulate emission factor and the concentration of resuspended particulate in total suspended particulate (TSP) was studied.
同时进行了地面起尘因子与城市空气总悬浮颗粒物(TSP)中扬尘浓度的相关性研究。
Objective: to assess the gene polymorphisms and concentration of vascular endothelial growth factor (VEGF) and the risk for stoke.
目的：探讨血管内皮细胞生长因子(VEGF)基因多态与血浆VEGF浓度以及脑卒中患病风险的关系。
Serum Insulin-like growth factor 1 (IGF-1) concentration and immunological parameters were monitored in the study.
实验前后检测了血清胰岛素样生长因子-1 (IGF - 1)浓度以及多项免疫指标。
It is proposed to use the energy concentration factor and directivity factor as indication of the directivity of the array, and formulae as well as the way of using them are presented.
对切比雪夫阵的指向性提出了用能量集中因数和指向性因数表达的概念，并给出了二者的计算方法和使用范围。
The effective nonlinear response is related to the granular concentration, the depolarization factor, and the conductivity of component.
我们详细地给出了有效非线性响应跟颗粒浓度、退极化因子以及组元电导率之间的关系。
The model could well predict the concentration of D-tryptophan in the permeated solution and separation factor.
此模型可以对渗透液中d -色氨酸的浓度和分离系数进行较准确的预测。
It includes the concept of stress correction coefficient, a new method to determine the stress concentration factor of mortise of a disk and a new method for correcting the stress ratio.
改进方法包括：提出应力修正系数概念和一种适用于轮盘榫槽结构的理论应力集中系数确定方法，以及应力比修正方法。
Analysis and comparison between the finite element analysis and experiment results for stress concentration factor, limit load, burst pressure and failure location were performed.
从应力集中系数、极限压力、爆破压力和爆破失效位置四个方面对有限元计算结果和试验结果进行对比分析。
The SOUR activity of microorganism was related to organic concentration and loading factor.
微生物的比耗氧率活性与底物浓度及负荷率有关。
Plasma atrial natriuretic factor concentration (ANF) was markedly decreased at the end of 4 weeks.
用药4周时血浆心房利钠因子浓度下降。
The expression for calculating dynamic stress concentration factor is presented.
给出了动应力集中系数的计算表达式。
The experimental result also shows that composite edge has the effect of increasing strain concentration factor.
试验结果还说明复合材料边缘有提高应变集中系数的效应。
To form a stagnant region with suitable oxygen concentration is the most important factor in the design of ignitor with oxygen additon.
形成一个具有适当氧浓度的滞止区是设计具有加氧的点火系统的最重要的考虑。
With the concept of concentration correction factor, the effect of the disc to improve the near field dilution of buoyant jet is confirmed.
提出轴线浓度校正系数的概念，从而清晰直观地证实了阻力盘具有提高射流近区稀释度的作用；
The stress distribution and the stress concentration factor in the welding region of tubular TT-joints subjected to axial loads are analyzed using finite element method in this study.
本文首先通过有限元分析得到了轴力作用下的TT管节点在焊接区的应力分布以及应力集中系数。
The distribution pattern, critical location and concentration factor of the stress on equal diameter tees under both internal and external loadings are obtained.
得出了内压和外载下三通应力的分布规律、危险点的位置及其应力集中系数。
The hormone combination and concentration was the uppermost factor influencing somatic embryogenesis.
激素配比及浓度是诱导胚状体发生的关键。
Thermal strain and strain concentration factor can also be reduced significantly by changing the single curvature relieve slot into three curvature relieve slot.
对汽封弹性槽计算的结果表明：将原来设计的单圆弧弹性槽改为三圆弧弹性槽，热应变及热应变集中系数均可明显下降。
Thermal strain and strain concentration factor can also be reduced significantly by changing the single curvature relieve slot into three curvature relieve slot.
对汽封弹性槽计算的结果表明：将原来设计的单圆弧弹性槽改为三圆弧弹性槽，热应变及热应变集中系数均可明显下降。
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