The approximation analysis result of band dipole model is obtained on the basis of the theory of mfl. the electromagnetic distribution feature of the defect in the steel panel is studied by means of simulation. the leakage magnetic distribution of the two defects and four defects plural and the defects in the column differently in the width are also assayed. conclusions that factors affecting flaw magnetic leakage to the panel also affect the column and magnetic leakage bx should be the feature of the flaw identification to several flaws are drawn
在對漏
磁檢測原理進行詳細介紹的基礎上，得出了帶偶極子模型的近似解析解，並以有限元數值模擬分析為主要手段，以鋼板上缺陷為對
象，分析了各因素對缺陷漏
磁場產生影響的不同規律，同時模擬分析了板上平行的兩條裂紋，四條裂紋以及柱體上寬度不同時的裂紋的漏
磁場分佈特徵，得出結論:影響板上缺陷漏
磁場的諸因素會對柱體上缺陷漏
磁場產生同樣的影響;對于多條裂紋，宜用漏
磁分量bx作為缺陷識別的特徵量。
The changing tendencies of the relative contents of phosphorous contained substances have been detected by in - vivo " p magnetic resonance spectroscopy ( in - vivo " p mrs ) during the whole hatching process. in - vivo ] p mrs proved the catabolism of adenosine 5 ' - triphosphate ( atp ), phosphorous ester and phosphocreatine ( pcr ) when the embryo dead. the results could be used to deduce the conversion of phosphorous contained metabolites during the chicken embryo developed
用活體核
磁共振定域氫譜（ in - vivohmagneticresonancespectroscopy ， in - vivohmrs ）對胚胎發育過程中羊水和蛋白、蛋黃的成分進行了分析；用活體磷譜（ in - vivo 』 』 pmrs ）的方法分析了在整個胚胎發育過程中含磷代謝物的相對含量隨時間的變化，表明了磷脂類物質及三磷酸腺苷（ atp ） 、磷酸肌酸（ pcr ）在此過程中的變化及可能的相互轉化的趨勢，胚胎死亡后的磷譜也證明了磷脂類物質及三磷酸腺苷（ atp ） 、磷酸肌酸（ pcr ）在死亡過程中降解為無機磷的現
象。
As a new component of sensor, fiber grating have many instinctive advantages, such as light in weight, anti - cauterization, anti - interference in electromagnetism, high - sensitivity and compaction in construction. it is very easy to be coupled with fibers and the coupling - loss is slight. using fiber grating ’ s character of sensitivity for stress ; people have done some envelope experiments on structural systems ( such as storied buildings, bridge, railway and dam )
光纖光柵傳感器除了具有重量輕、耐腐蝕、抗電
磁干擾、靈敏度高、結構緊湊等優點外，還有其獨特的優越性，如探頭尺寸小，其直徑與光纖等同;易於與光纖耦合，耦合損耗小;波長調制型，抗干擾能力強;集傳感與傳輸於一體且具有極強的復用能力，易於構成傳感網路;測量對
象廣泛，易於實現多參數傳感測量等等。
In the early days, the observatory was tasked with making meteorological and magnetic observations and provided chronometric services based on astronomical observations. the observatory has kept observation records since 1 january 1884. today, it continues to monitor and forecast the weather
天文臺早期的工作包括觀測氣
象、地
磁、以及根據天文觀測報導時間，並由1884年1月1日開始保存觀測記錄，天文臺至今仍然肩負監測本港天氣的重任。
During the winding of magnetic pole coils used in synchronous electric motors, cold hardening is induced by press bending at 90, by which the coils are hard to be pressed and shaped, thus local resistivity increases and results in influence on the coil lifetime
摘要同步電動機
磁極線圈在編繞加工時， 90角處因壓彎而產生的冷作硬化現
象使線圈無法裝壓成型，且局部電阻率增大，甚至影響
磁極線圈使用壽命。
In this paper we have done two work, one is we, in the dressed states representation, reveal that the constructive interference of atomic coherence on absorption leads to electromagnetically induced absorption, which is in sharp contrast to the case in which destructive interference of atomic coherence gives rise to electromagnetically induced transparency and the other is we reveal that coupling field linewidth inhibits electromagnetically induced absorption, by employing a four - level system in which three transitions are in n configuration and the middle transition serves as a probe transition
本文主要做了兩方面的工作：一是在修飾態表
象中揭示修飾態原子相干對吸收的相長干涉產生電
磁誘導吸收，這與修飾態原子相干對吸收的相消干涉導致電
磁誘導透明的情形形成鮮明的對照。二是在裸態中，引入耦合場的線寬，從而發現耦合場的線寬抑制電
磁誘導吸收。首先研究電
磁誘導吸收。
Langevin is noted for his work on paramagnetism and diamagnetism, and devised the modern interpretation of this phenomenon in terms of electric charges of electrons within atoms
朗之萬以他的順
磁性及反
磁性的研究而聞名，他想出了用現代的原子中的電子電荷去解釋這些現
象。
Mr imaging revealed an infiltrative enhancing epidural tumor at the dorsum of t2 to t5 levels with foraminal extension
磁振造影影像發現硬腦膜上的腫瘤位於胸椎第二到第五節部位並有向神經孔蔓延現
象。
Under other circumstances electromagnetic waves behave as though they consisted of streams of particles.
在其它場合，電
磁波表現得好
象是由一束束粒子所組成的似的。
Phenomena in the universe are ruled by two long-range forces, gravity and electromagnetism.
宇宙界的各種現
象由兩種長程力，即引力和電
磁力所支配。
Television systems, which transmit 30 picture frames per second, must operate on a broad electromagnetic spectrum.
每秒傳輸30幅圖
象畫面的電視系統，它必須工作于寬帶電
磁波譜。
By introduction of two lif layers, the adjustment of the position of thin layer alq3 in the microcavity is achieved and the effect of the coupling strength between the emissive dipole and vacuum electric - field on the emission intensity in ( / 2 - length microcavity is studied for the first time
在帶有dbr結構的高q值微腔中，觀察熒光壽命變短輻射速率提高的現
象。通過使用填充層，來實現對薄層alq在腔中位置的調節，研究了輻射偶極子同光電
磁場的耦合強度對輻射強度的影響。
The microscopical observation proves that the main types of granitoid rocks are granodiorite and quartz monzodiorite, and the enclave is mainly monzodiorite. the rock - forming minerals are mainly k - feldspar, plagioclase, amphiboie, biotite, quartz, magnetite, titanite, apatite, epidote, etc. the zonation of the feldspars is very popular. the dark - colored minerals, such as biotite and titanite, have been highly oxidized
通過對本區花崗巖類樣品進行顯微觀察研究，知其主要的巖石類型為花崗閃長巖、石英二長閃長巖，其中的巖石包體主要為二長閃長巖，其造巖礦物為鉀長石、斜長石、角閃石、黑雲母、石英、
磁鐵礦、榍石、磷灰石和綠簾石等，長石中環帶現
象比較常見，黑雲母、榍石等暗色礦物顏色較深，表明其氧化程度較高。
Thousands of small ferromagnetic cores are strung on wires in a network as shown in fig. 42.
成千上萬的鐵淦氧小
磁芯
象圖42那樣穿在導線上組成網路。
On the variation of geomagnetic field and magnetic storm
地球
磁場的變化及
磁暴現
象的探討
The earth may be thought of as a gigantic magnet.
整個地球可以想象為一塊碩大無朋的磁石。
