The Ni P/M steel are mixtures of soft phase and hard phase, hence improving the mechanical properties by reducing the susceptibility of breach.
含镍粉末钢是硬质相与软质相的非均质混合物,可减低粉末钢对缺口的敏感性,改善力学性能。
Another is that the hard phase and the soft phase both have microstructure with crystal grain of fine and homogeneous, and the size of crystal grain had better within magnitude of nanometer.
二是硬磁相和软磁相均要求有晶粒细小且分布均匀的显微结构特别是软磁相晶粒尺寸尽可能达到纳米尺寸。
Alloys after HDDR treatment showed better magnetic properties because the exchange coupling effect between the soft and hard magnetic phase was induced by HDDR.
经过HDDR处理后的合金性能好于未经过HDDR处理的合金,经过HDDR处理后产生了软硬磁间的交换耦合作用。
Nanocomposite permanent magnet exhibits excellent magnetic properties combining high coercivity of permanent magnetic phase with high saturation magnetization of soft magnetic phase.
纳米复合永磁材料兼具硬磁性相的高矫顽力和软磁性相的高饱和磁化强度,磁性能优异。
And how soft plastic track makes the running exercise generate the training effects of specific strength by changing technology during the stance phase is also probed.
探讨了软性塑胶跑道是如何通过改变支撑阶段的技术,使此练习产生专项力量训练效应的。
Otherwise, phase separation degree of WPU film from different soft segment content was discussed.
另外还研究了不同软段含量的聚氨酯材料在微相分离程度的差异。
When modification graft before emulsion dispersion in solvent was adopted, micro phase separation of soft and hard segments in molecular chains was enhanced greatly and its thermo-stability improved .
而采用在溶剂相中改性接枝再乳化分散的方式,分子链中软硬段的微相分离加剧,热稳定性提高。
The polyether-based PUU shows the better phase separation than polyester-based with the same molecular weight of soft segment.
在软链段分子量相同时,聚醚为基础的PUU的相分离程度较聚酯为基础的PUU高。
In order to produce dry sanding paper applied to soft materials, the slurry coating was prepared by smearing unblocked materials according to the phase change principle of endothermal agents.
为研制适用于软质材料磨削的干磨砂纸,通过涂覆特殊的防堵塞材料,利用吸热剂的相转变原理,研制了干磨砂纸超涂层浆料。
The microstructure of the aluminum base alloys is the soft Sn phase particles distributing on the hard matrix(Al-Sn solid solution).
该合金的显微组织为硬的铝锡固溶体基体上分布着软的锡相质点。
Magnetic properties of a model nanocomposite magnet were calculated by means of computer simulation, and the effects of the amount of the soft magnetic phase on them were studied.
采用计算机模拟的方法计算了纳米晶复合永磁材料的磁性能,并对软磁相比例对磁性能的影响进行了研究。
The resonant soft switching inverter arc welding power source uses LCL type structure in the main circuit, and selects phase shifting pulse wide modulation technique in the control system.
研制的谐振式软开关弧焊逆变电源,主电路采用新型LCL结构,控制系统选用恒频移相调脉宽控制方案。
Firstly, based on the selecting of trigger methods' and ascertaining of the phase shift range of ac voltage-regulate soft starter, reliability of each trigger method is researched.
首先,从触发方案选择和移相范围的确定两方面出发,研究了各触发方案的可靠性。
The effects of the shortrange interaction between hard and soft magnetic phase on the reorientation of the magnetic moment of the interfacial atoms are investigated using a layered model.
借助层状模型,研究了硬磁相与软磁相原子的短程交换作用对界面原子磁矩取向的影响。
This experimental result is consistent with the calculated results using the model of soft magnetic phase volume fractions coupled completely suggested in this paper.
这一实验结果与本文提出的完全耦合软磁相体积分数示意模型的计算结果相一致。
In the presence of soft-template such as PVP, PVA and CTS, Ag nanoparticles with different morphologies were prepared through liquid phase chemical deoxidization method.
在聚乙烯醇(PVA)、聚乙烯吡咯烷酮(PVP)和壳聚糖(CTS)等软模板存在下,通过液相化学还原法制备出各种形貌的银纳米粒子。
Through the analysis of the soft-field characteristic, it is found that the sensitivity field distribution is affected by the location, the size and the conductivity of the disperse phase medium.
从灵敏度角度出发多方面(离散相介质所在位置、离散相介质所占区域大小、离散相介质的电导率等)分析了介质分布影响灵敏场分布这一“软场”特性。
This paper presents the way of the structure and analogy circuitry of a sound box working in inverse-phase type and the usages of the assistant soft for sound box in low frequency design.
介绍了倒相式音箱类比成集中参数等效电路的方法和音箱低频特性计算机辅助设计软件及其使用方法。
The three phase converter soft switch control can be realized by avail of resonant DC link.
谐振直流环可以实现三相变流器的软开关控制。
Have carried on the detailed parameter design to the phase-shifted Full-Bridge soft switching power supply main circuit and the control circuit.
对移相全桥软开关电源主电路和控制电路进行了详细的参数设计。
It's caused by the micro phase separation degree of TPU is increased as well as the soft hard segment structure is perfected.
研究认为热处理提高了TPU的微相分离程度,完善了TPU中的软硬段结构。
The dipolar interaction in a mixed two - phase magnet of soft and hard magnetic particles was analysed.
从磁性粒子的静磁场出发,分析计算了由软、硬磁性两相粒子随机混合的双相磁体中的静磁作用。
A tensile stress promotes soft modes which relate to the nucleation of the R-phase and the Martensite phase.
张应力有利于与R相及马氏体相形核有关的软模。
From the application control of triple-phase asynchronous motor, the principle of motor soft starter based on single chip was introduced, and its design method was also given.
从三相异步电动机的应用控制出发,介绍了基于单片机控制的电机软启动器原理,给出了基于单片机控制的电机软启动器设计方法。
The X-ray phase contrast imaging has bright perspectives and great potential advantage in clinical diagnosis especially to improve the spatial resolution and the contrast resolution of soft tissues.
X射线相衬成像在提高人体软组织成像的衬度分辨率及空间分辨率研究中具有潜在优势,是一项有着广阔发展前景的技术。
Purpose To observe DNA index ( DI ), S phase fraction (SPF) and their clinicopathologic significance in soft tissue leiomyosarcoma (LMS).
目的研究软组织平滑肌肉瘤(LMS)中DNA倍体与S期分数(SPF)及二者与临床病理的联系。
In the first phase regulation of Shenzhen river, the strength of soft mud is increased over 50% by using the vacuum preload compaction method.
在治理深圳河一期工程中,淤泥土层采用真空预压,强度增长了50%以上。
The paper briefly describes the principle of full-bridge soft-switching phase-shifted control and the electric characteristic of the phase shift resonant controller UC3875 are introduced.
简要描述了全桥软开关移相控制的原理,介绍了谐振控制器uc 3875的电气特性。
Further study of Circuit exchange regulator presents, takes the starting current as feedback signal to complete closed-loop control of soft start control of the three-phase induction motor.
对交流调压电路进行了进一步的研究,利用起动电流信号作为反馈量,对三相感应电动机软起动控制系统进行闭环控制。
Further study of Circuit exchange regulator presents, takes the starting current as feedback signal to complete closed-loop control of soft start control of the three-phase induction motor.
对交流调压电路进行了进一步的研究,利用起动电流信号作为反馈量,对三相感应电动机软起动控制系统进行闭环控制。
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