查询词典 morphotropic

The columbite precursor method was used to synthesize 〓 system ceramics across the morphotropic phase boundary .

采用两步法合成了准同型相界附近的〓系统陶瓷，对其结构和性能进行了详。。。

Relaxor ferroelectric(1-x) PbMg_(1/3Nb_(2/3)O_3-x PbTiO_3 ceramics near the morphotropic phase boundary were prepared by the columbite precursor method.

采用铌铁矿预产物合成法制备了组成在相界附近的(1-x)Pb(Mg1/3Nb2/3)O3-x PbTiO3弛豫铁电陶瓷。

The experimental result is in agreement with the existence of morphotropic phase boundary in PZT.

但是，由于铁电性的唯象理论不能区分不同材料的回线形状[1]，因此，用回

It may be caused by the fact that the researches were mainly focused on the compositions in the rhombohedral and morphotropic phase boundary.

在此组分范围内，由于铁电微畴的影响，很难得到光学级的PMN-PT单晶。

Our research results show that the BS-PT ceramics with the compositions near the morphotropic phase boundary is a good candidate material for the piezoelectric actuator and transducers.

研究表明，准同型相界附近的BS-PT陶瓷是一种优良的压电换能器和传感器材料。

Moreover,there exists a morphotropic phase boundary for the composition at x=0.33mol,and the rhombohedra phase and tetragonal phase co...

在该相界附近组成具有优异的介电和压电性能：εm~38000，Ec~5kV/cm，Pr~31.5μC/cm2，d33~500pC/N，这主要是由于宏观上的三方和四方两相共存，或微观上的微畴和宏畴共存引起的。

Moreover, there exists a morphotropic phase boundary for the composition at x= 0.33 , and the rhombohedra phase and tetragonal phase coexists for the composi tion near MPB, but the pure rhombohedra phase and tetragonal phase separately exists for the composition away from MPB.

陶瓷样品X-射线衍射相组成和相结构分析表明：所有陶瓷样品均为纯钙钛矿相，无任何其他杂相出现；且组成在x=0.33处存在一准同型相界，在该相界附近三方相和四方相共存，而远离该相界则分别为纯三方相和四方相。

The electric induced fatigue characteristics of PZT piezoelectric ceramics with compositions near morphotropic phase boundary were investigated.

研究了准同型相界(morphotropic phaseboundary简称MPB)附近不同组分的锆钛酸铅压电陶瓷在交流电场下的电致疲劳特性。

Firstly, the piezoelectric properties of Na_(1-xK_xNbO_3 based ceramics around morphotropic phase boundary were studied.

首先，研究了Li_xNa__(0.52-xK_(0.48)NbO_3系列陶瓷样品在准同型相界附近的压电性能，Li离子的加入并不改变陶瓷的物相结构，体系陶瓷仍为纯的钙钛矿结构。

The major content was as follows: The influence of BKT content near morphotropic phase boundary on the phase structure, density and electrical properties were investigated in details.

首先，系统地研究了Bi_(0.5)K_(0.5)TiO_3组分变化对BNT-BKT二元体系压电陶瓷准同型相界附近相结构、显微组织和电性能的影响。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了