長期磁變 的英文怎麼說
中文拼音 [zhǎngqīcíbiàn]
長期磁變
英文
secular magnetic variation-
In this dissertation, correlative research of longer - term voltage stability have been carried out, including some slow dynamic elements, such as on - load tap changer ( oltc ), maximum excitation limiters ( mel ), etc. the effects of these slow dynamic elements on the course of voltage instability or collapse are revealed from the point of view of time - domain simulation
本文基於pss e程序中的擴展動態模擬模塊，對考慮有載調壓變壓器（ oltc ） 、最大勵磁限制器等慢動態元件的中長期電壓穩定進行了相關的研究，從時域模擬的角度揭示這些慢動態元件在電壓崩潰過程中所起的作用。For parameter a, there is a close relationship exist between a ( 9, sr ) in two different radar incident angle that can be expressed as : with considering the effects of soil texture, we get the final expression of the inversion model : where mv ( t1 ), mv ( t2 ) is volumetric soil moisture content in two different temp, c, d is soil type related parameters, and v ( t1 ), s ( t2 ) is coresponding bare soil radar backscattering coefficients. inversion results show that for the c band hh polarized radarsat scansar data with a range of incidence angle from 20 to 40, the soil moisture change value can be derived with an acceptable accuracy using the above model. the temporal and spatial soil moisture change patterns are associated with rainfall and vegetation cover, as well as the soil hydraulic characteristics
利用最新發展的電磁波散射模型研究了不同植被覆蓋地表雷達波對地表土壤水分的敏感性，建立了半經驗植被雷達後向散射模型; 2 ） .研究發現在農作物等矮小植被覆蓋地表，植被層直接後向散射與植被類型相關，且在植被生長期，雷達後向散射系數對植被含水量的敏感性要高於對植被高度變化的敏感性; 3 ） .解決了單參數雷達地表土壤水分反演問題中，雷達入射角和地表粗糙度的影響這一難點問題; 4 ） .利用土壤介電模型校正了不同土壤類型對反演地表土壤體積含水量的影響; 5 ） .在以上成果基礎上，建立了完整的單參數雷達地表土壤水分變化探測反演演算法，經地表驗證，模型反演地表土壤水分變化值的精度為rmse = 0The difference between the magnetic moments for the samples with respective doping level can be ascribed to the variation of the competition between thermal effect and the magnetic coupling. based on the spin orientation rotation of dy sublattice as well as the antiferomagnetic coupling between dy sublattice and mn sublattice, we successfully elucidate the changes of magnetic structure in perovskite compounds s. electron spin resonance ( esr ) study on perovskite compounds on the basis of chapter 4, we give further study on micromagneticism of dy - doping perovskite compounds la0. 67 - xdyxsr0. 33mno3
其中第一節簡單回顧了早期對a位雙稀土元素元素摻雜鈣鈦礦化合物的研究，早期研究較多的是替代元素的離子半徑變化上，由於替代離子半徑的改變，使a位平均半徑變ylll化，致使公差因子改變，使mn o長、鍵角變化，晶格效應的作用使化合物的磁性、電性、 cmr效應發生改變。This paper has studied the mean attenuation, scattering, and back scattering cross sections of groups of small rotating spheroids about characteristics of microwave scattering when their rotatory axes are oriented at random in any direction in 2d plane and 3d space respectively under the condition of normal distribution, and that those physical quantities are changed with different variance, expectation and wave lengths of incident electromagnetic wave
本文研究旋轉軸方向分別在平面內和空間中隨機取向呈正態分佈時的小旋轉橢球粒子群的平均衰減截面、平均散射截面、平均後向散射截面等微波散射特徵，以及這些物理量隨軸向分佈期望、方差及入射電磁波波長的變化。The basic characteristics of secular variation of geomagnetic field of sheshan seismic station
佘山臺地磁場長期變化基本特徵Ltd founded in 1999, is a new high technology enterprise, specialized in researching, developing, manufacturing and selling of elevator weight - load system, elvator ic intelligent management system and the like of elevator dynamic static state data record management system and the like of elevator fittings. there are more than 100 experienced staff members including r d perpons, engineers and adminstrators who do their utmost to offer prompt, efficientand overall services for customers. our company manufactures six kinds of productions that hold autonomous. our company manufactures six kinds of production that hold autonomous intellectual property rights and has established long - term friendly cooperation with over one hundred ecactly elevator manufacturtures in china and abroad
秦皇島開發區前景光電技術有限公司成立於一九九九年，是一家專業從事研製開發銷售電梯重量載荷控制系統電梯ic卡智能管理系統電梯遠程自動報警安防管理系統和永磁同步電梯專用變頻器等電梯配件產品的高新技術企業。我公司擁有經驗豐富的科研工程技術管理人員一百余名，竭力為客戶提供迅速優質全面的服務。公司生產擁有自主知識產權的九項專利產品，並與百余家整梯生產企業建立了長期的友好合作關系。For a class of quasi - one - dimensional cluster, we study the effect of side spins on the spin - spin correlation on chain, our calculations show that the side spins added in the same sublattice can effectively strengthen the spin - spin correlation in large distance region and make the change tend to flat
計算證明，側自旋加進相同的子格中能有效地加強自旋關聯使得它在長距離范圍內的變化趨于平緩，而周期性地加入側自旋可以在基態中建立磁性長程序。Due to the long - term treatment for diabetes, along with its liability to many factors of diseases, you should not stop taking the measures to reduce or control the blood sugar for it requires a long process to take effect on diabetes. if the effect of control over blood sugar has not been gained, the blood sugar will possibly reincrease after you stop taking medicine. during the period when you use the magnetic bedclothing, you should recheck the blood sugar and glucose in urine regularly
由於糖尿病是一種長期治療的疾病，而且這種病受多種因素的影響，在使用磁性寢具時，不要停服降糖及控制血糖的其它措施，因為磁場對糖尿病發生效果，需要一個過程，需要一定的磁場作用時間，如果在尚未達到有效控制血糖時，如停服降糖藥物，有可能會使血糖升高，在使用磁性寢具過程中，應定期復查血糖及尿糖，並在醫生指導下，視其變化情況，考慮是否減少降糖藥量。Some features in the secular variation of the geomagnetic field in chinese mainland
中國大陸地磁場長期變化的某些特徵Three - dimensional distribution of geomagnetic energy in the earth ' s interior and its secular variations
地磁場能量在地球內部的三維分佈及其長期變化分享友人