wcp

Behavior of Thermal Fatigue Resistance of WCp / Fe Ni Steel Matrix Composites

WCp/Fe-Ni钢基复合材料的抗热疲劳特性

With increasing temperature , the strength of the Cu / WCp composite decreased .

随着温度的升高，不同体积分数的Cu/WCp复合材料的强度明显下降。

Wideband Correlation Processing ( WCP ) is the base of wideband active signal detection .

宽带主动信号检测的基础是宽带相关处理。

So it is important to analyse the transmission character of WCP states in random quantum channels .

因此对WCP态在随机量子信道中的传输特性的分析非常必要。

Producing of WCp Reinforced SG Iron Composites Firebrick Mould And Its Abrasive Wear Behavior

WCp增强球铁基复合材料模具的制备及其磨损性能

The effects of rainfall and WCP construction caused spring runoff decrease accounted for 47 % and 56 % respectively ;

而降水和水利工程用水对春季径流量减少的影响分别占47%和56%；

WCP ( weak coherent laser pulse ) is used to substitute ideal single photon sources in experimental QKD systems .

实际QKD系统中常用弱相干激光脉冲WCP（WeakCoherentPulse）来代替理想单光子光源。

After 6 months curing , EC and WCP levels in observation group decreased significantly , but still above the normal levels .

EC和ECP水平观察组于治后6个月明显下降，但仍高于正常。

The thermal fatigue cracks propagate mainly in the collection region of small WCp particles and the interface between this region and steel matrix .

小颗粒的WC粒子聚集区及该区与钢基体区的交界面是热疲劳裂纹的主要扩展地；

The computation structure of CWT is studied . Fast algorithms based on FFT and Mellin Transform are proposed , which can realize the fast WCP .

研究了连续小波变换的计算结构，给出了基于FFT和Mellin变换的两种连续小波变换快速算法，为宽带相关处理的快速实现提供了基础。

Further analysis indicated that land use / cover changes and water conservancy projects ( WCP ) were the main influencing factors , their effects accounted for 76 % and 16 % respectively ;

进一步分析主要影响因素发现，下垫面条件变化和水利工程对年均径流和流量的影响分别占76%和16%；

The mode of wideband point-target echoes is presented . WCP and Wideband Ambiguity Function ( WAF ) is pointed out emphatically .

系统地论述了宽带信号和时频分析的基本概念和主要性质，给出了点目标宽带回波模型，指明了宽带相关处理与宽带模糊度函数的一致性。

By quantum mechanics conceptions we deduce fidelity of quantum channels , which is turbulent atmosphere in free-space QKD systems , of WCP states .

以量子力学的观点，从保真度的基本定义出发，推导了自由空间QKD系统的量子传输信道&大气湍流信道对弱相干态光场的保真度。

He is a member of China Writers'Association , of World Congress of Poets ( WCP ), and a guest professor of Anhui University and College of Chuzhou .

系中国作家协会会员，世界诗人协会（WCP）会员，安徽大学兼职教授，滁州学院客座教授。

Cause of the coherence between Continuous Wavelet Transform ( CWT ) and WCP , CWT forms mathematic foundation of WCP and presents mathematic support to WCP .

连续小波变换与宽带相关处理的内在一致性使得连续小波变换成为宽带相关处理的数学基础，为宽带相关处理的实现提供了数学支持。

This article explained three types of perforating methods , namely the fullbore perforating technology , anchoring perforating technology and wireline conveyed perforating ( WCP ) technology under wellhead pressure .

阐述了全通径射孔工艺技术、锚定射孔工艺技术及井口带压电缆输送射孔工艺技术等3种射孔作业方法。

No differences in steady state levels of mRNA coding for pro α 1 ( 1 ) collagen and elastin were observed in RNA extracted from liver of WCP and SRP .

在鸽肝脏RNA中编玛原α1（1）胶原和弹性硬蛋白mRNA的稳定状态水平之间未见差异。

The results show that fall off and fatigue rupture for WCp , fatigue fracture and fatigue wear for matrix were the main wear styles in the process of three-body and impact abrasion of the surface composites .

采用SEM对表层复合材料的磨损形貌进行分析得出，表层复合材料的三体及冲击磨料磨损机制为WCp的脱离及疲劳断裂和基体组织的脆性断裂、疲劳断裂和疲劳脱落。

The elastic modulus of the Cu / WCp composite materials , in which the WC volume fraction is less than 15 % , can be accurately predicted by the obtained semi empirical formula . 4 .

由此得到的半经验公式可以用于WC体积分数含量在15%以下的Cu/WCp复合材料的弹性模量预测。

Compared with pressureless sintering , vacuum hot pressing sintering can not only improve the microstructure of Cu / WCp FGM , but also improve the hardness and conductivity of the composite materials Cu / WC obviously .

与常压烧结相比，真空热压烧结不但可以使Cu/WCpFGM的微观组织结构得到明显改善，而且还可以使Cu/WCp复合材料的硬度和电导率得到显著提高。

WC / GCr15 steel ( 27 % WCp ) composite was produced by electroslag melting and casting using bigger WC particles as raw reinforcements . The interface of WC particle and steel matrix was examined .

选择大颗粒WC作增强相，采用电冶熔铸工艺制备了含27%WC粒子的WCGCr15钢复合材料，观察了复合材料中WC颗粒与钢基体的结合情况；

The results show that the WC particles in the composites are partly melted into the steel matrix , and the reaction layer of several microns are formed at the interface between WCp and steel matrix , which enhances effectively the bonding strength of interface .

结果表明：复合材料中的WC颗粒部分溶解于钢基体相，两相界面形成厚达数微米的反应层，有效地提高了界面结合强度。

Pre-eutectic phase being WC and W_2C are in-situ separated near to coarse WCp , however , the fine net carbides and long strip carbides ( Cr , Fe ) _7C_3 are formed in the steel matrix far from the WCp .

在粗大碳化钨颗粒附近能够原位生成先共晶析出相（WC和W2C），在较远处的钢基体中分布着细网状碳化物，同时有（Cr，Fe）7C3等条状复式碳化物生成；

In contact fatigue test , the fatigue life of specimens after WCP was higher than the life of the samples with not WCP , and with the increase of WCP time , the life was augmented , which showed that WCP had good strengthening feature again .

在接触疲劳试验中，空化水喷丸后的试样疲劳寿命高于未喷丸的试样寿命，且随着水喷丸时间的增加而增大，再次表明空化水喷丸有较好的强化特性。

There has a critical temperature that grain boundary which not slip in room temperature have been slipped . The ductility and strength of Cu / WCp composite significantly decreased . ( 3 ) The tensile properties of layered Cu / WCp functionally graded materials is different from isotropic composites .

存在一个临界温度范围使得材料在室温下通常不产生滑移的晶界处发生滑移，使Cu/WCp复合材料的塑性和强度明显下降。3、Cu/WCp叠层功能梯度材料的拉伸性能不同于均匀复合材料。