查询词典 soft iron core

To overcome the drawbacks in the weight and cost of the antenna with the corrugated soft surface, a new patch antenna with patch rings is designed. Its weight is about 1/4 less than the antenna with the corrugated soft surface and it is inexpensive. Good experimental results are obtained. The radiation pattern of the antenna is more rotationally symmetric, and a more reduction on the sidelobe levels of the antenna is achieved as compared to the antenna with the corrugated soft surface. In conclusion, in the present thesis both theoretical and experimental research works have been carried out intensively on patch antennas based on photonic-bandgap structures.

为了克服皱褶软表面天线份量重，加工费用贵等缺点，我们对空气介质的皱褶圆环结构软表面天线进行了改进，将周期分布的皱褶圆环平面化，并保持结构的软表面特性，设计出了一种新的平面圆环结构的软表面天线并进行了实验研究，加工的平面圆环结构天线比皱褶圆环结构天线重量减轻了约1/4，加工费用大大降低，所取得的实验结果显示，该平面圆环结构软表面天线的方向图的轴对称性得到了改善，在俯仰角从0°～-90°的范围内天线H面的波束与E面重合，与皱褶圆环结构相比，天线的旁瓣和背瓣受到了更大的抑制，E面方向图上+120°方向的旁瓣被明显削弱。

Soft switching can improve the converters efficiency and reduce EMI. In comparison of some methods of approaching soft switching, this thesis presents a Diode Auxiliary Resonant Commutating Network which is composed by an auxiliary bridge and a resonant commutating inductor. This topology not only well realizes zero voltage switching, but also overcomes the parasitic oscillation in the secondary side Diodes. Simultaneously, this topology makes both the secondary side diodes and auxiliary diodes operate on the soft switching state too, which reduces more switching losses and provides requirement for the system to run stably under the condition of self-cooled.

软开关能够提高变换器的效率和降低EMI，通过比较目前多种实现软开关技术方案，本文研究了一种由辅助桥臂和谐振电感组成的二极管辅助谐振换流网络，不但很好地实现了ZVS，并且克服了副边二极管上寄生振荡；同时，该拓扑也使副边二极管和辅助二极管都工作于软开关状态，进一步降低了开关损耗，为系统能够在自冷的条件下稳定运行创造了条件。

Six soft wheat lines, of which SRC were lower than that of soft wheat variety "Ningmai 9" were screened, could be used in soft wheat breeding program.

根据SRC值的测定结果，筛选出了6个4种SRC均低于软质小麦品种宁麦9号的种质资源，这些资源可作为低SRC小麦品种选育的中间材料加以利用。

Hard / soft We included a soft foreign body within the rigid existing space acting as a core around which the users revolve or cross.

硬性/ 柔性我们考虑在已有较坚硬的空间内插入一个与众不同的柔性空间。

The model of the outer layer hard and inter layer soft magnetic structure was suggested that the amorphous ribbon and wire are constituted by the relatively"hard" magnetic"shell"with relatively high magnetic coercivity and relatively"soft"magnetic "core"with relatively low magnetic coercivity.

非晶材料的尖锐脉冲电压现象是由于具有显著的不可逆壁移磁化过程导致大巴克豪森跳跃所造成的，脉冲的尖锐性与动态磁滞回线的形态密切相关，回线的方形度越高，则脉冲愈尖锐。

Become sexploitation and transgression had turned into pornography , defined as " soft-core" or "hard-core"depending on the degree of explicitness .

到了上世纪70年代，"剥削片"很大程度上已经蜕变成了"色情片"，题材由犯罪转变为性，并依据其裸露程度区分出来了"软核"跟"硬核"两类。

By the 1970s exploitation had largely become sexploitation and transgression had turned into pornography , defined as " soft-core" or "hard-core"depending on the degree of explicitness .

到了上世纪70年代，"剥削片"很大程度上已经蜕变成了"色情片"，题材由犯罪转变为性，并依据其裸露程度区分出来了"软核"跟"硬核"两类。

The copper-coated steel core applies A series of annealing soft-core wire.

铜包钢芯应采用A系列退火软线芯。

5 Zone barrel –shaped pocket spring core system with specific elasticity.Made according to the patented SCHLARAFFIA insertion system with soft shoulder comfort zones.With reinforced core cover for permanent sleeping comfort.

五段式独立筒弹簧，极富弹性，SCHLARAFFIA自己研发的专利权---增强肩膀部位，柔软、舒适的嵌入型独立筒，能让人安稳入眠、甜睡。

Research on techniques for the synthesis of ACR impact modifier with core-shell structure;2. Preparation of polymer-tungsten-silica composite microspheres with multi-layer core-shell structures;3. Organosilicon-acrylate micro emulsion with core-shell structure was synthesized with OP-10,JFC and amyl alcohol nonionic compounded emulsifier by means of seeded emulsion polymerization.

运用种子乳液聚合工艺以OP-10/JFC/戊醇非离子复合乳化剂合成了具有核-壳结构的有机硅-丙烯酸酯微乳液，研究了复合乳化剂类型、丙烯酸酯单体、有机硅单体加入方式和含量、pH值、硫醇对微乳液聚合过程中稳定性和光泽度的影响，通过差示扫描量热仪和透射电镜对微乳液的结构进行了表征。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48