極化強度 的英文怎麼說
中文拼音 [jíhuàqiángdù]
極化強度
英文
intensity of polarization-
The hysteresis loops were detected, it is found that the remanent polarization and the conceive field of the ceramics deceased with the dope of ba2 +. in the composition range of mpb, the conceive field exhibit the lowest value
測試了樣品的電滯回線,發現batio _ 3的摻入有效降低了nbt基陶瓷的剩餘極化強度和矯頑場,在準同型相界組成點,矯頑場達到最小值。It was found that the schorl or dravite in schorl - dravite group that is produced from pegmatite and has good crystal degree had a strong intensity of spontaneous polarity by electron - beam bombardment and x - ray diffraction of varying the temperature
利用電子束轟擊結合變溫xrd分析發現在schorl - dravite系列電氣石中,產于偉晶巖的,結晶度比較高的mg電氣石或fe電氣石具有較高的自發極化強度。The expression of the third - order nonlinear polarization of self - interaction in uniaxial crystals
單軸晶體中三階非線性自作用極化強度矢量的計算The result shows that with the addition of rare earth elements, ultrasonic irradiation and magnetic field, the chemical component, surface configuration, microstructure and properties of electroless co - ni - b and co - fe - b alloy changes remarkably. such kind of change can be described as the followings. firstly the depositing speed of electroless alloy bath is raised while the polarizability and cathodic overpotential are reduced ; secondly the surface quality of the alloy coating and adhesion of the coating and matrix are improved ; thirdly in the coatings the content of the elements in the transient group increases, but the content of cobalt decreased ; fourthly the amorphous structure is transformed to microcrystal structure and polycrystal structure ; fifthly the microhardness and wear resistance of the coating are enhanced ; sixthly coercitive force is reduced, and magnetoconductivity of the coating is increased ; lastly the magnetic intensity of the coating increases with the addition of energy and light rare earth elements such as ce, la and decreases with the addition of heavy rare earth elements such as y. on the other side, when the alloy coatings passes through the heat treatment under the temperature of 250 or 500, their properties will change
結果顯示化學沉積co - ni - b 、 co - fe - b工藝在稀土元素( ce 、 la 、 y 、 dy ) 、能量(超聲波、磁場)介入后,沉積過程、合金成分、鍍層形貌結構和性能都有顯著變化,表現在:鍍液的陰極極化過電位和極化度降低,沉積速度提高;鍍層的結合力、表面質量改善;鍍層中過渡族元素的含量增加,輕元素硼的含量降低,同時證實了稀土元素與過渡族元素共沉積的可能性;鍍層的顯微結構由非晶態向微晶和多晶態轉變;鍍層的顯微硬度與耐磨性提高,力學性能優化;鍍層的矯頑力降低;磁導率提高;鍍層的磁化強度在能量(超聲波、磁場)和輕稀土元素ce 、 la介入后提高,重稀土元素y介入后降低。There are abundant copper ore resources and mineralization types of copper ore deposits in gansu, china, but the reserves explored is not concordant with of intensity of copper mineralization, which in the providing reserves for important bases of the copper mine productions there is a serious question
甘肅銅礦資源豐富,成礦類型發育齊全。但是,已探明儲量與銅礦化強度極不相稱;重要銅礦生產基地的資源保障形勢嚴峻。深化區域成礦規律認識與拓寬勘查研究思路尤為重要。With this understanding, this paper chooses the longitudinal strength of hull girder as the disabled mode, by the calculation of fpso, predicts the ultimate strength and effective lifetime of the hull. expected results of examples are obtained, which provide the analysis data for the further risk assessment
在此前提下,本文選擇了船體梁縱向強度失效模式,通過fpso實船計算,分析消化了理想單元法程序軟體,預報了船舶極限強度和安全有效壽命期,並用一階二次矩方法對完整受損船體的結構安全性進行了可靠性的評估,取得了預想的結果,為進一步實施綜合安全評估提供了分析數據。Standard test method for conducting cyclic potentiodynamic polarization measurements for localized corrosion susceptibility of iron -, nickel -, or cobalt - based alloys
鐵鎳鈷基合金的局部腐蝕敏感性的循環動電勢極化強度的試驗方法Then a simple analytical formula is obtained, which expresses the constitutive relation between polarization p and loading electric field e of ferroelectric materials
由此推出一個簡單的解析表達式,表達了鐵電材料極化強度p與外電場e的本構關系。The tourmaline with great spontaneous polarity can purify water and air. so it can be used in building decorating material, purifying water materials and cleaning air materials
自發極化強度大的電氣石具有凈化空氣和水的作用,在環保建築裝飾材料、凈化水和空氣材料中有很大的應用價值。The hit spot was round or circle on the crystal plane. therefore, the intensity of spontaneous polarity and the direction of polarity could be judged by the shape of the electron - beam bombardment spot
因此根據電子束打擊斑的形貌可判斷電氣石的自發極化強度和方向, 「打擊斑」亮的一端為負極,暗的一端為正極。It was found that the dropping rate in remnant polarization, pr ( n ), of the samples would be accelerated when a high intensity or low frequency or square - wave of electric field was applied or at a lower temperature
實驗結果表明,在高電場強度、低電場頻率和在方波電場的作用下以及較低的溫度下,鐵電陶瓷材料剩餘極化強度p _ r ( n )下降的速度變快。In the second chapter, the nonlinear optical properties are described from both macroscopic and microscopic views, at the same time, giving the definitions of the linear and nonlinear polarizabilities. then, the explicit expressions of the linear and nonlinear polarizabilities are obtained by using quantum mechanical perturbation theory and density matrix formalism, respectively
第二章非線性光學性質,首先分別從宏觀和微觀兩個角度討論了極化強度和電偶極矩與外加光電場強度之間的關系,同時給出了線性極化率和非線性超極化率的定義,然後分別運用含時微擾理論和密度矩陣理論求解了分子體系的線性極化率和非線性超極化率。We have developed the theory of boundary shielding approximation of electric polarization, from which the values of spontaneous polarization of some typical ferroelectric materials can be derived. the shielded charges in ferroelectricity are in the state of surface bound polaron - dipole whose creation and annihilation must span a potential barrier. by introducing statistical method, four types of typical electric hysteresis loops of some common crystals and ceramics have been given, which are well consistent with the experimental results
利用電極化的邊界屏蔽近似,可計算出一些典型鐵電單晶的自發極化強度.鐵電屏蔽電荷處于表面束縛極化子偶狀態,其產生和湮沒要跨越位壘.由統計方法給出的一些常見晶體和陶瓷的四種典型電滯回線形狀,和實驗觀察到的結果一致The ultimate longitudinal strength of container ships was analyzed by a simplified method
摘要用簡化方法對集裝箱船進行了垂向彎矩和水平彎矩聯合作用下的極限強度分析。Introducing several osl fabrication methods, mainly electric field poling method is investigated, and discussing the limit relation among poling electric field e, poling current i and natural poling intensity ps, and analyze the various factor affecting the osls quality. 4. the experiment of aperiodical litaos multi - wavelength shg is demonstrated
3 、介紹了幾種介質制備的方法,著重對高壓電場極化法進行了理論研究,討論了脈沖電壓,電流及自然極化強度p _ s之間的制約關系,分析了影響成疇質量的幾個物理因素。The result indicates that in the early days of informatization, the traffic has been increasing while the soaring of communication though it ' s very slowly, which shows that communication hasn ' t been replaced ; the degree of polarization has increased and as people being inclined to large cities ; so the degree will continue augmenting ; from people ' s recognition of information and traffic, we can see that region still plays an important roll in the city network ' s formation
結果表明,處在信息化發展初期,蘇錫常地區在通訊快速發展的同時,交通量盡管增長較慢,但一直穩定增長,並沒有被通訊所替代;蘇錫常地區極化程度增大,而且由於人們傾向于去大城市工作和生活,所以該地區極化程度將會進一步加強;人們對信息和交通的重視,反映出區位在人們出行乃至整個城市網路的形成中仍然發揮著重要的作用。5 ) the simplified method to calculate the ultimate strength for the asymmetrical hull is presented based on the revised paik " s method ( rpm )
5 )在改進p磁簡化公式的基礎上,提出了不對稱彎曲條件下的船體極限強度計算的簡化方法。Then, a step - by - step increase of vertical curvature is applied to the hull girder assuming that the plane cross section remains plane. at each incremental step, the stress of the cross section is evaluated using the average stress - strain curves of the elements as well as the incremental bending moment due to the curvature increment. performing sample calculations on existing girder models tests under pure bending, the rationality of the proposed method was examined
假設船體橫向框架材足夠強,因而板架的整體破壞不會發生;基於梁?柱理論、理想彈塑性假設、平面假設,建立了拉伸和壓縮加筋板單元的平均應力?應變關系曲線,應用船體結構總縱極限強度的簡化逐步破壞分析方法計算船體總縱極限彎矩,並據此開發了計算程序sus 。It was proposed that the reduction in pr ( n ) during the electric fatigue process was probably caused by the increase of a domain and anti - ferroelectric c * domain ( both leading to the increase in non - switching of c domain ) in combining with the experimental observation that the pr ( n ) values lowered with the rise of n. the equation which can be used to calculate the differences in non - switchable domain due to the increase of n was also given. variations of domain - switching with changes of n are discussed according to the in - situ xrd measurements
根據原位xrd實驗觀測結果,給出了c a疇的90疇變的近似估算公式,並結合宏觀剩餘極化強度隨n增加而降低的實驗觀測,提出了疲勞過程中材料的剩餘極化強度p _ r ( n )降低是由於a疇的增加和反鐵電c ~ *疇增加導致不可翻轉c疇增加共同造成的假設,並給出了不可翻轉疇隨n增加而變化的估算公式。An explicit formula of ultimate strength is achieved according as combination of elastic large deflection method and rigid plastic method for perfect plates. 2. the explicit formulae with damage parameters as variable of reduction factors for ultimate strength of damaged plates are achieved by curve fitting based on a mass of numerical computation for parametric imperfection and damage of plates
將板格的各種缺陷和損傷形式參數化,通過大量數值計算擬合出受損板格極限強度折減系數的以損傷參數為變量的顯式表達示,用折減系數對完好板格極限強度進行折減得到受損板格極限強度公式。分享友人