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horizontal field     
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  水平场
     While poloidal gaps make the vertical and horizontal fields generated by the eddy currents change periodically in the toroidal direction,toroidal gaps have no effect on the vertical field,but drastically reduce the horizontal field.
     极向缝隙使涡流产生的垂直场和水平场沿大环方向呈周期性变化,环向缝隙对垂直场没有影响,但是却大大减弱了涡流产生的水平场
短句来源
     In this paper, using the variometer data of Changli station and Baijiatuan station from 1972 to 1997, the inter station transfer functions of horizontal field and the single station transfer functions of vertical field have been calculated.
     利用昌黎、白家疃 1 972~ 1 997年的磁变仪资料 ,计算了水平场台际转换函数和单台垂直场转换函数 .
短句来源
     SHORT TERM PRECURSOR OF THE GEOMAGNETIC HORIZONTAL FIELD TRANSFER FUNCTIONS
     地磁水平场转换函数的短期前兆
短句来源
     With analyzing the whole changing process of the transfer functions, we have discovered that only the horizontal field transfer functions arose obvious short term precursors before Tangshan earthquake.
     通过对转换函数变化全过程的分析 ,注意到仅仅水平场转换函数在唐山地震之前有明显的短期前兆 .
短句来源
     Applying 3 dimension finite difference method,the distribution characteristics of horizontal field transfer functions for rectangular conductor have been computed,and the law of distribution for Re part and Im part has been given. The influences of source field period,the conductivity,the buried depth and the length of the conductor on the transfer functions were studied.
     应用三维有限差方法 ,对长方形导体的水平场转换函数分布特征进行数值模拟计算 ,给出了实部和虚部的分布规律 ,并研究了源场周期、导体导电率、导体埋深、导体长度对转换函数取值的影响 .
短句来源
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  水平电场
     Solutions of the Horizontal Field Generated by Lightning with the Surface Impedance Method
     用表面阻抗法求雷电产生的水平电场
短句来源
  “horizontal field”译为未确定词的双语例句
     The anomalous reactions of the geomagnetic horizontal field transfer functions before Tangshan earthquake
     The anomalous reactions of the geomagnetic horizontal field transfer functions before Tangshan earthquake
短句来源
     Through studying the same system,finite element method and finite/infinite element coupling method are used to analyze the influence on the(result) what is concluded by the different vertical field and horizontal field of finite element in the finite/infinite element system.
     通过对同一结构体系分别应用有限元理论和有限元/无限元耦合方法比较,研究了有限元/无限元耦合体系中有限元范围在水平与竖向区域的不同取值对计算结果的影响,从而确定了有限元区域的计算范围。
短句来源
     By using two existent vertical correct magnets with horizontal field less than 100 Gauss, the exposed area of the Xray lithography wafer increases from 3 5mm to 14mm and no distortion occurs in the closed orbit out of the two magnets.
     指出在合肥同步辐射光源上用两个现有的垂直校正铁 ,只要加上不大的水平磁场 ,即可使光刻基片的曝光面积增大 2 4倍 ,达到所需要求 ,且在该两个校正铁以外的闭轨不发生畸变 .
短句来源
     Finally some typical calculation results of the reflection properties are presented, which show that the zeroreflection range of the horizontal field is larger than that of the vertical fields, and the better the material, the larger the zeroreflection field.
     最后提供了近场暗室场分布的计算结果 ,并对所给出的计算结果进行了讨论 ,结果表明 ,水平极化静区范围内场的波动小于垂直极化场 ,且材料反射性能越好静区范围越大 .
短句来源
     The results indicate that horizontal field of air flows is affected by buildings that are of various heights in the urban sub_domain. However, the distribution of vertical wind speed is in accordance with power law.
     实验结果表明:小区内水平流场分布受不同高度建筑物影响,但风速垂直分布总体上仍符合幂指数律.
短句来源
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  horizontal field
We propose that both kinds of imbalance are due to the presence of a horizontal field component (parallel to the photospheric surface) in the emerging flux.
      
We use the fibril structure in the Hα images as a proxy for the horizontal chromospheric magnetic field which we compare with the horizontal field obtained by potential extrapolation of the observed, line-of-sight photospheric field.
      
In the gaps between the filaments the chromospheric horizontal field is weak.
      
Regarding the penumbra, the power tends to exhibit a maximum at locations where the line-of-sight component of a radial horizontal field should be maximal.
      
This suggests that critical levels may be of more mathematical interest than physical relevance in the solar atmosphere where the planar horizontal field approximation is seldom adequate.
      
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During 1962 to 1967, 193 samples of Phytophthora infestans from Zhangjiakou, Heilongjiang,Gansu, Shanxi, Neimonggol, Qinghai and Beijing were tested and found to belong to 7 races——00,0. 1, 4, 1.4, 2.4 and 1.3.4. Race 4 was the most prevalent race, followed by races 1.4, 0 and 1.3.4. Races 00, 1 and 2.4 had been found only once. In Zbangjiakou Prefecture, the frequency ofrace 4 was 63.0%.The kinds of races were quite simple in 1962, but more complex races such as 1.4.1.3.4 and 2.4 had been found from 1963 to...

During 1962 to 1967, 193 samples of Phytophthora infestans from Zhangjiakou, Heilongjiang,Gansu, Shanxi, Neimonggol, Qinghai and Beijing were tested and found to belong to 7 races——00,0. 1, 4, 1.4, 2.4 and 1.3.4. Race 4 was the most prevalent race, followed by races 1.4, 0 and 1.3.4. Races 00, 1 and 2.4 had been found only once. In Zbangjiakou Prefecture, the frequency ofrace 4 was 63.0%.The kinds of races were quite simple in 1962, but more complex races such as 1.4.1.3.4 and 2.4 had been found from 1963 to 1965. After 1966, races turned to race 4 again. In Hei-longjiang province, race 0 was the predominant one. Race 1.3.4 was also widespread. In Qinghai,Neimonggol, Shanxi, race 4, was identified. Race 1.4 was found in Beijing. In Gansu,race 4,1.4 and00 were found. According to the alteration of physiological races of P. infestans, horizontal (field)resistance of potato is emphasized and the strategical use of vertical resistance (dominant gene) inbreeding program in limited area is suggested.

六年来(1962~1967)鉴定了从张家口、黑龙江、甘肃、山西、内蒙、青海和北京等地收集的193株晚疫病菌。这些菌分别属于00,0,1,4,1.4,2.4和1.3.4七个小种。以小种4为最常见,其次为1.4,0与1.3.4;00,1,2.4都只发现过一次。张家口地区以小种4为主,占63.0%。1962年比较简单,1963、1964年增加了复杂小种1.4与1.3.4,而以后几年又恢复到原来的单纯为小种4的状况。黑龙江则以小种0为主,1.3.4也很普遍。青海、内蒙、山西为小种4,北京为1.4。甘肃则有小种4,1.4,和00。针对病菌生理小种变化的情况,作者提出了利用水平(田间)抗病性、有条件地利用垂直(显性基因)抗病性等相应的育种防病意见,并对有关问题进行了讨论。

Using a plasma simulator,the magnitude,distribution and time behavior of the magnetic field generated by the eddy currents in a quarter segment of the HL-1 copper shell were measured.The vertical field generated by the eddy currents in the shell increases as the simulator mores outwards.The magnetic field and its damping time constant at various points inside the shell are different from each other.While poloidal gaps make the vertical and horizontal fields generated by the eddy currents...

Using a plasma simulator,the magnitude,distribution and time behavior of the magnetic field generated by the eddy currents in a quarter segment of the HL-1 copper shell were measured.The vertical field generated by the eddy currents in the shell increases as the simulator mores outwards.The magnetic field and its damping time constant at various points inside the shell are different from each other.While poloidal gaps make the vertical and horizontal fields generated by the eddy currents change periodically in the toroidal direction,toroidal gaps have no effect on the vertical field,but drastically reduce the horizontal field.

本文介绍了模拟等离子体电流环电流在HL-1装置铜壳的1/4段上感应的涡流,在等离子体区产生的磁场大小、分布和时间特征的测量结果.涡流产生的垂直场随着等离子体电流环水平位移和电流上升率的增加而增加,而且在空间各点的大小和衰减时间常数都不相同。极向缝隙使涡流产生的垂直场和水平场沿大环方向呈周期性变化,环向缝隙对垂直场没有影响,但是却大大减弱了涡流产生的水平场。

Malignant tumors in the chest were used to be irradiated by means of the "opposite anteroposterior" fields or/and a horizontal field as a supplement. This method usually results in high doses at spinal cord and sternum and relative lower doses at mediastinum, and so high dose volume is deposited outside the target volume. Such a dose distribution does not meet the needs of the radiotherapy. In order to minimize the doses at spinal cord, health lung and sternum (the latter is more important for children...

Malignant tumors in the chest were used to be irradiated by means of the "opposite anteroposterior" fields or/and a horizontal field as a supplement. This method usually results in high doses at spinal cord and sternum and relative lower doses at mediastinum, and so high dose volume is deposited outside the target volume. Such a dose distribution does not meet the needs of the radiotherapy. In order to minimize the doses at spinal cord, health lung and sternum (the latter is more important for children and young people) and increase the doses at the target volume, the authors designed a set of radiation treatment plans with Oncology Support System (philips). The plans consist of a pair of inclined opposite fields and an oblique angle field with wedge filter. The various parameters were processed by the computer, and the isodose curve diagrams were drawed and compared Advantages of this design are as follows: dose distribution in the target volume is homogeneous, not' only the death doses at the tumor region of lung and mediastinum are achieved, but also the doses at spinal cord and health lung and sternum are markedly decreased or even zero.

胸部肿瘤以往多采用二野前后对穿照射及前后野加水平野照射,使其脊髓及胸骨受量偏高,纵膈剂量低,高剂量区常位于靶区之外,剂量分布不合理。放射治疗时,要求减少脊髓,正常肺及胸骨的受量(后者尤其对青少年),提高靶区的致死量。作者利用Philips-oss治疗计划系统,选择肺癌及纵膈肿瘤各一例。根据胸部的解剖位置,采用三野成角加楔形板,经治疗计划系统内存参数处理后,绘制出剂量分布曲线,其优点是靶区内剂量分布均匀。在肺癌及纵膈肿瘤达到致死量的同时,脊髓,正常肺组织及胸骨受量减少或为零。

 
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