defect n. 1.缺陷,缺點(diǎn),弱點(diǎn);短處。 2.不足,缺乏。 have some defect in eyesight 目力不佳。 have the defects of one's qualities 美中不足之處。 in defect of 若無(wú)…時(shí);因無(wú)。 vi. 叛變;逃走。 He defected to the West. 他叛逃到西方。
model n. 1.模型,雛型;原型;設(shè)計(jì)圖;模范;(畫(huà)家、雕刻家的)模特兒;樣板。 2.典型,模范。 3.(女服裝店雇用的)時(shí)裝模特兒。 4.樣式,型。 5.〔口語(yǔ)〕極相似的人[東西]。 adj. 模型的,模范的。 a clay model 【雕刻】黏土原型。 a working model 機(jī)器的運(yùn)轉(zhuǎn)模型。 a model shot 【攝影】模型鏡頭。 a model aeroplane 模型飛機(jī)。 a model test 典型試驗(yàn)。 The boy is the perfect model of his father. 這孩子活像他父親。 after [on] the model of 仿效…,拿…當(dāng)做模范。 stand model 做模特兒。(〔英國(guó)〕 -ll-) vt. 1.作…的模型[雛型]。 2.(依照模型)制作,仿造,建造 (after;on;upon)。 3.設(shè)計(jì),仿照,拿…做模范。 vi. 做模型;做模特兒。 delicately modeled features 清秀的面貌。 model a garden after the manner of Kew 仿照(倫敦) Kew 植物園設(shè)計(jì)的花園。 model oneself up (on) sb.仿效某人。
A defect model is suggested to account for the pl of sintered psc 發(fā)光峰的強(qiáng)度隨著燒結(jié)時(shí)間的增加略有下降,多孔碳化硅的發(fā)光來(lái)自于缺陷態(tài)。
Those samples treated show a major peak at 2.02ev and a minor one at 2.13ev at a given low temperature and experiences a blue-peak-shift at room temperature . a defect model is abstract suggested to account for the pl of sintered psc 經(jīng)氧化研磨或研磨的樣品在低溫下有較高的發(fā)光強(qiáng)度,發(fā)光主峰位于2.02ev,在2.13ev有一弱峰,室溫下發(fā)光峰發(fā)生藍(lán)移。
By examining the vacancy formation energy of three kinds of defect sno _ 2 ( 110 ) surface, the most energetically favorable defect surface is that the surface possesses the coexistence of bridging and in-plane oxygen vacancies, which is different with the traditional defect model by only removing bridging oxygen 通過(guò)考察形成三種不同類(lèi)型sno_2(110)缺陷表面的缺陷形成能,結(jié)果表明,形成同時(shí)具有橋氧和面氧缺陷的構(gòu)型能量上最為有利,這與通常所認(rèn)為的橋氧缺陷最為穩(wěn)定不同。
Firstly, the basic character of the remote filed eddy current is simulated and analyzed in case of two-dimension axial symmetry which approves the existence of remote filed eddy current phenomenon; the full circumferential defect model is investigated to approve the feasibility of using the rfec techniques to detect the position and depth of defect; the pit corrosion 、 circumferential and axial crack models are simulated, and the defect character based on voltage plane polar plot and the changes of phase and amplitude are analyzed to supply the standard for defect reconfiguration 首先,在二維軸對(duì)稱(chēng)情況下仿真與分析了遠(yuǎn)場(chǎng)渦流的基本特性,證實(shí)了遠(yuǎn)場(chǎng)渦流現(xiàn)象的存在;對(duì)全周向缺陷的遠(yuǎn)場(chǎng)渦流檢測(cè)進(jìn)行了詳細(xì)研究,證實(shí)了遠(yuǎn)場(chǎng)渦流檢測(cè)缺陷位置和深度的可行性;對(duì)點(diǎn)狀腐蝕、軸向與周向裂紋三種非軸對(duì)稱(chēng)缺陷進(jìn)行三維有限元仿真,利用相位差和幅值變化曲線與電壓平面極坐標(biāo)圖對(duì)缺陷特征進(jìn)行分析,為缺陷形狀重構(gòu)提供了依據(jù)。