電荷位形 的英文怎麼說
中文拼音 [diànhéwèixíng]
電荷位形
英文
charge configuration-
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This article discuss the method to measure distortion of truss by means of ccd device. the distortion can be measured with many kind of displacement transducer, but it must be placed on stable base. when the huge truss is moving through some tunnel, it is difficult to find a stable base, especially there is no enough space for someone to operate. it is hardly to measure the distortion by touching. on the contrary, this can be achieved by means of ccd device
桁架在自重或載荷的作用下產生的撓度可以用多種位移傳感器測得，這些測量方法需要有良好的基礎，在大型桁架梁測量現場，由於桁架的變形，難于找到這種基準，如果加上測量環境惡劣，人無法操作情況，則會給撓度測量帶來極大的困難，而採用光電荷耦合器件，並利用激光進行遠程實時撓度測量，即可以解決這個難題。This product is absorbing all forms of domestic and foreign prefabricated substation and development, high pressure, low voltage electrical equipment, distribution transformers trinity, with perfect protection, a flexible combination of superb technology will be mainly used to replace conventional civil engineering - type substation ; deep into load centers, widely used in high - rise buildings, petrochemical plants, power plants, subways, railway stations, wharves, airports, schools, hospitals and other important establishments population is concentrated
本產品是吸收國內外各種形式的預裝式變電站而開發的，高壓、低壓成套電器、配電變壓器三位一體，具有完善的保護、靈活的組合、精湛的工藝，主要用於取代傳統土建型變電站；可深入負荷中心，廣泛用於高層建築、石油化工廠、發電廠、地鐵、車站、碼頭、機場、學校、醫院等人口集中的重要場所。The sequence of two patterns presence is changed alternately, that is, one pattern will appear at the second pulse of total pattern in this half cycle if it appears at first pulse in last half cycle. the stability of square pattern was studied by considering the interaction among the wall charges. the discharge moments of individual filament alternate from long one to short in the square pattern, which can been explained by using the breakdown and quench model through considering the wall discharge accumulated on the dielectric layers
實驗研究了正方網格斑圖與混合氣體的比例及外加電壓的關系，給出了班圖類型隨上述條件變化的相圖；實驗採用光學方法對正方網格斑圖進行了時空動力學測量，發現正方網格斑圖是由兩套正方網格斑圖相互嵌套而成，其中一套的微放電絲位於另一套正方形單元的中心，這兩套微放電絲交替進行放電；考慮到壁電荷之間的相互作用，研究了正方網格斑圖的穩定性；實驗發現正方網格斑圖的微放電絲放電時間間隔是長短交替變化的，考慮到電介質表面積累的壁電荷的作用，使用擊穿?熄滅方程很好的解釋了該現象。( 2 ) the kinetics of mesostructure formation is studied. the induction time formation of a white precipitation decrease with the concentration of [ oh " ]. the effect of salts is presented because of adding the re3 + ions into neutral solution containing surfactant. the mechanism of mesostructure formation through " hydrogen - bonding interaction, complex - bonding interaction and a local reconstruction process of the frameworks "
（ 6 ）當稀土離子進入hms樣品骨架，靠近外來原子的對稱a o st會產生小的變形。 st o st振動帶由於配位金屬電荷遷移躍遷而變成拉曼活性模。 （ ）用ftth光譜研究了a oh凝聚反應動力學，建立了a oh凝聚反應動力學方程，求得其凝聚反應活化能為28士7kj in 。After the discussion of the numerical simulation method based on the fdtd method and the pml technique, the motions of the charges and the electrical field lines were first employed to describe the radiation procedures of the pulse electromagnetic waves. then the causes of how the charges are accelerated and how the motion status of the charges are maintained were further studied from the angle of interaction of charge and field. after these analyses, it was pointed out that the pulse radiation is due to the suddenly occurred time - varying electrical field ( displacement current ) in the open space. this view was further evidenced by two examples : one is the partly resistance loaded antenna, the other is the partly curved antenna. the radiation procedures of the pulse electromagnetic waves of many different situations were simulated throughout this paper with the contours and waveforms of electric field given. these figures are very helpful to the understanding of the radiation mechanism of the pulse electromagnetic waves
在討論了基於時域有限差分法和完全匹配層技術的數值模擬方法之後，首先從運動電荷和電力線的角度直觀地描述了脈沖電磁波的輻射過程，然後進一步從場與電荷相互作用的角度分析了天線上電荷是如何被加速以及如何維持其運動狀態的，指出了開放空間中突然出現的時變電場（位移電流）是脈沖電磁波輻射的根本原因.文中還對局部電阻加載的天線和局部彎曲的天線進行了研究，以進一步說明上述觀點.對多種情況下的脈沖輻射過程進行了數值模擬，並給出了電場的等高線和空間波形圖，這些圖形對理解脈沖電磁波的輻射機理非常有益The effect of field strength, initial phase, bunch shape and charge on electron beam transverse emittance is also explored by numeric simulation method
利用數值模擬方法研究了加速場強、注入相位、束團大小、形狀、電荷等因素對束流橫向發射度產生的影響。To prevent pumping system stopping working, working without efficiency and being destroyed, so it is very important to monitor oil - well. the thesis dissertates the process of developing displacement - load sensor which collects displacement data and load data to form the indicator diagrams, researches the means based on rbf neural network of recognizing fault types, designs parts of hardware and software of the mainframe of the oil - well monitor and control system, and debugs the entire oil - well monitor and control system
為了防止抽油機故障停機、無油空抽、不法分子的蓄意破壞等情況的發生，因此對油井工況進行實時監控顯得尤為重要。本文論述了採集用於形成油井示功圖的位移和載荷數據的傳感器的研製，包括硬體電路和軟體的設計，對基於rbf神經網路的油井工況模式識別方法進行了研究，對監控系統主機的部分硬體電路及相應的軟體進行了設計，並對整個油井監控系統進行了聯調和測試。When piezoelectric material is put on outside force, it will cause the translocation of positive and negative electricity inside piezoelectric material. then piezoelectric material will generate polarization and shape tied electricity on the surface of the piezoelectric material that is proportional to the outside force
對壓電材料施加外力時，會引起壓電材料內部的正、負電荷發生位移，並產生極化，從而在壓電材料的表面形成與外力成比例的束縛電荷，稱為正壓電效應。Fault location is an importrant function in distribuiton automation. in the thesis, the transferred information from feeder terminal unit is computed with load ’ s trapezoid fuzzy figure. the fault location is affirmed by the result of computation using the trapezoid fuzzy math theory. the atp and matlab softwares are used to simulate the 10kv lines in urmuqi distribution network. and the results shows the reliability and accuration of the method in the thesis
線路故障定位是配電自動化的一項重要功能，文中提出利用線路始端電壓、電流和線路ftu （饋線終端單元， feederterminalunit ）的上傳信息，結合配電變壓器負荷的梯形模糊數模型，運用模糊數學理論通過電流計算來進行故障定位的新方法。Added rhizobia increased the amount of negative charge and metallo - ion specific adsorbing sites of solid compositions such as mn oxides and organic matter etc. the influences of adsorbing rhizobia by soil on the speciation of heavy metal varied with the metal and the soil and were closely related to the mechanisms of metal fixation by soils
土壤吸附根瘤菌后負電荷量增加，某些組分如氧化錳和有機質等吸附重金屬的專性吸附位點有所增加。土壤吸附根瘤菌對土壤中重金屬的形態影響隨重金屬種類和土壤類型而不同，與重金屬在土壤中的吸持機制有直接關系，當重金屬以沉澱機制為主被土壤吸持時，其形態分佈受根瘤菌的影響不顯著。分享友人