查询词典 peak factor

At pre-operation, post-operation 6 h, 3 d and 7 d detect the leave of plasm prethrombotic state molecular marker tissue factor, tissue factor pass inhibitory, thrombus precursor protein, plasminogen activator inhibitory-1(PAI-1), P-Selectin, Thrombin-Antithrombin complexes, D-dimer with ELISA, transmission immunity nephelometer. Results Malignant tumor patients, the levels of plasma TF, TpP, D-D in 6 h and 3 d of post-operation rose to peak value.

分别于术前、术后6 h3、d和7 d用ELISA、透射免疫比浊法检测其血浆血栓前状态分子标志物D-二聚体(D-dimer， D-D)、血栓前体蛋白(thrombus precursor protein， TpP)、凝血酶抗凝血酶复合物(thrombin-antithrombin complexes， TAT)、组织因子(tissue factor， TF)、P选择素(P-Selectin， P-S)、组织因子途径抑制物(tissue factor pass inhibitory， TFPI)、纤溶酶原激活物抑制物1(plasminogen activator inhibitory-1， PAI-1)的水平。

The value of the peak factor was discussed with the crossing theory and reliability theory.

风荷载是结构设计中的重要荷载，具有较强的随机性。

Then Chinese code and foreign codes about the prescript of the peak factor was compared.

首先，介绍了与峰值因子相关的计算理论；然后，对我国荷载规范和国外荷载规范的相关规定进行比较；最后，结合一大跨屋盖结构算例，探讨在屋盖结构风振分析中的峰值因子确定问题。

The value of the peak factor was discussed with the crossing theory and reliability theory.

从随机极值理论和工程实际应用2个方面入手，对峰值因子的取值问题进行探讨。

Analysis of annealing process and optimization patterns show that there is still a great space to improve the design pattern used from both End-Of-Cycle K〓 and maximum power peak factor aspects.

最后，本论文使用SANNEM对低温核供热堆前两炉堆芯燃料管理优化问题进行了实例计算，获得了首炉和第二炉的8个优化方案。

Moreover,utilizing the theory mentioned above,the value of the peak factor about the wind-induced vibration of roof structure was obtained,The results show that the prescript of peak factor in Chinese code is probably unsafe for the wind-resistant design.

该算例的分析结果表明：当采用我国荷载规范规定的峰值因子取值来计算屋盖结构的风振响应时，其结果可能是偏于不安全的。

At first, the wind tunnel test and test data process of this study are introduced in detail. A method to calculate expected extreme values of time series with a long time interval is then proposed with its sub-sections based on the classical Gumbel theory for extreme values and the independence of observed extreme values. At last, the extreme values of the wind pressure coefficients of the present wind tunnel test are calculated with the proposed method and methods used widely at present, such as peak factor method, improved peak factor method and Sadek-Simiu method.

首先 介绍了风洞试验及试验数据处理的基本概况；然后在阐述经典Gumbel极值理论的基础上，根据观察极值的相互独立性推导了短时距下极值分布参数和长时距下极值分布参数的关系式，给出了一种由短时距样本推算长时距下的极值估算方法；最后基于风洞试验数据，将常用极值估算方法(峰值因子法、改进峰值因子法和Sadek-Simiu法)和该方法的计算结果进行了比较。

However, more and more studiespresent that the local pressure fluctuations in the separated and reattached region of bluff body are found tobe non-Gaussian. The Gaussian assumption will underestimate the wind load of cladding and cause thecladding to unsafety. It is a general way to estimate peak pressure by a fixed peak factor.

然而，有越来越多的研究表明，钝体绕流的分离和流动再附着区域的风压呈现出强烈的非高斯分布的特性，按照高斯分布进行峰值风压的估计将可能低估作用于围护结构上的风荷载而造成结构的不安全性。

Also, the performance of four techniques, using different approximation to estimate the equivalent peak value of shear stress and strain were investigated for the purpose to determine the equivalent shear modulus, damping, excess pore water pressure and residual strain induced by seismic loading, in which the equivalent peak value was computed in terms of its standard deviation and the corresponding peak factor.

利用上述动力有限元程序分别对水平地基进行了总应力、不排水有效应力和排水有效应力随机动力响应分析，并通过4种不同的方法来计算地基的等效剪切模量、阻尼比、振动孔压和残余剪应力。

LiNi0.95Mg0.05O2 could be formed with I(003)/I(104) ratio 1～1.1, R-factor I(006+I(102)/I(101) ratio 0.67～0.94, and (108)/(110) splitted peak, c/a ratio 4.914～4.925, in R3m space group under the conditions of 210~280 MPa pelletized powder, heating rate 2℃/min to precalcined temperature 600℃ for 9～15h,crushed and repelletized, heated till 600℃ in 5℃/min, then switched to 1℃/min till 750℃ isothermally for 15～20h all in oxygen flow.

发现以210～280 MPa对试样压片，在氧气气氛下经2℃/min升温速率升温至600℃，预烧9～15h后，再粉碎、压片以5℃/min升温至600℃之后以1℃/min升温至750℃恒温15~20h，可得I(003)/I(104)峰比值1~1.1，R-factor I(006+I(102)/I(101)峰比值0.67~0.94，并且有(108)与(110)的分裂峰，同时c/a比值4.914~4.925，属于R3m空间群的锂镍镁氧化合物。

I am sure after a few weeks of adaptation and familiarization I will have no difficulty in functioning on a daily basis in an English speaking society or in participating fully in graduate studies.

在大学的三年的学习生活不仅给予我自身的充实，更重要的是磨练和培养了我较强的自觉能力和严谨，踏实的作风以及不怕困难的精神，对未来充满了信心！

As the first volcanoes erupted, one of the gases that bellowed out was steam.

在第一批火山喷发时，喷出的气体之一就是水蒸汽。