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on the cross
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  对交叉
     The paper gives the effect of tolerances of design parameters on the cross polarization and return loss of compact corrugated horn and provides the important criteria for designing compact corrugated horn.
     并以某星载紧凑式波纹喇叭为例,给出了容差变化对交叉极化和回波损耗的影响,为设计紧凑式波纹喇叭提供了重要的参考依据。
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     This paper gives a comprehensive analysis on the cross language information retrieve module and the special technical requiremen t,and develop a 《Mammal》experiment system that is based on the Encyclopaedia B ritannica.
     对交叉语言信息检索的模型和特殊的技术要求进行了全面的 分析,开发了一个基于大英百科全书的《哺乳动物》的实验系统。
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     By the hydrology analysis and computation on the cross rivers and catchments areas, compared with the condition of terrain and geology, the layout and structure type of left bank drainage projects were optimized to ensure the safety of the general channel.
     经过对交叉河流和坡水区的水文分析与计算,结合地形与地质条件综合分析比较,优化了工程布置和建筑物型式,确保了总干渠的防洪安全。
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  探讨举要
     On the Cross over Type Development Problem at Present
     当前跨越式发展问题探讨举要
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  “on the cross”译为未确定词的双语例句
     Analysis on the Cross Section for Products of 1 GeV p+~(208)Pb by MSDM
     利用MSDM分析1GeVp+~(208)Pb散裂反应产物
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     ON THE CROSS SECTIONS OF e~- -CH_4 AND e~- -SiH_4 ELASTIC SCATTERING AT 0.1-10.0 eV IN A SPHERICAL MODEL
     利用球模型计算的能量在0.1—10.0电子伏的电子被CH_4和SiH_4分子弹性散射的截面
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     Experimental Study on the Cross Section of the 1.06μm Laser Radar Target
     1.06μm激光雷达目标散射截面的实验研究
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     Study on the Cross Cracks Occurring in GCr15 Cold Drawn Steel Wire
     GCr15钢丝冷拔横裂纹缺陷研究
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     The application study on the cross regional ERP project management
     跨地域ERP项目管理控制的应用研究
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  on the cross
A creative robot wrist consisting of link mechanisms and a novel robot motion control method based on the cross-sectional vector contours of an STL-formatted model was proposed.
      
These data, complemented by the data on the cross-tolerance (sensitivity) of the mutants to paraquat, indicate a correlation between tolerance to the OS inductors and the functions of antioxidant systems.
      
In the present study, in order to calculate the acoustic emission of a boundary layer on a surface with sandy roughness, it is proposed to employ the available experimental data on the cross of the surface pressure.
      
The selectivity of determining sulfamethoxazole in the presence of its structural analogues was evaluated based on the cross reaction percentages.
      
Effect of Microwave Irradiation on the Cross-Linking of Polyvinyl Alcohol
      
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The key to successful cross rolling is to understand fully the distribution of deformation and the mechanism of crack formation at the centre of the rolled material as well as the optimum parameters for the technological process. With these points in mind, the authors carried out investigations by means of microscopic examinations and hardness tests on the distribution of deformation and the mechanism of crack formation at the centre of certain steel specimens at various temperatures, various rates of deformation,...

The key to successful cross rolling is to understand fully the distribution of deformation and the mechanism of crack formation at the centre of the rolled material as well as the optimum parameters for the technological process. With these points in mind, the authors carried out investigations by means of microscopic examinations and hardness tests on the distribution of deformation and the mechanism of crack formation at the centre of certain steel specimens at various temperatures, various rates of deformation, different ratios between the length of the plastic zone and the specimen diameters as well as at different lengths of material at both ends of the plastic zone.As the deformation of metals in cross rolling is in many ways similar to that in cross forging, the authors carried out experiments on the cross forging of aluminium and lead which had been marked with concentric circles at the ends in a 35-ton mechanical press at room temperatures, and then compared the results thus obtained with those in the cross rolling of carbon and alloy steels.The results of these experiments show that:(1) With only one strike of the press in cross forging, the deformation is greatest at the surface and diminishes towards the centre of the specimen. When reduction is small, only elastic deformation occurs at the centre.(2) With several strikes of the press on rotating specimens, the deformation at the surface and in the centre is greater than that in the intermediate zone. When reduction is very small, plastic deformation also does not penetrate into the centre.(3) Similar to cross forging, the deformation of metal in cross rolling is also greatest at the surface, less at the centre and least in the intermediate zone. This distribution of deformation remains practically unchanged in different metals and various rolling temperatures as well as under other testing conditions mentioned above. Under conditions of the present experiments, when reduction is small, the deformation at the centre may be only elastic. In this case, the distribution of deformation is similar to that with only one strike of the press in cross forging.In cross rolling, the greater the reduction, the higher the rolling temperature, the higher the rate of deformation, the greater the ratio between the length of the plastic zone and the specimen diameter, and the shorter the length of the material on either side of the plastic zone, the greater is the tendency for crack formation at the centre. Alloy steels seem less liable to crack formation than carbon steels.

在200—300毫米輥径的横軋机上于不同溫度、速度、变形程度、变形区长度与直径之比以及外端等条件下,用金相法和硬度法对各鋼种的圓棒的变形分布和中心破裂进行了研究。在冲床上用端面画有同心圓的鋁棒和鉛棒进行了常溫的旋轉橫鍛試驗,以了解横鍛横軋时金属的变形分布。試驗結果表明: 1.一次横鍛时,表面层的变形最大,越靠中心变形愈小。当压縮率不大时,中心处可能只发生弹性变形。2.旋轉橫鍛时,表面层和中心区的塑性变形較大,过渡区的变形最小。当变形率很小时,塑性变形亦可能不致于深入到中心区。3.横軋时金属的变形規律与旋轉橫鍛时相似,但在压縮很小时,断面中心只发生弹性变形。4.横軋时,軋制溫度、軋制速度增高,压縮率及变形长度与直径比越大,外端越小,中心破裂愈易产生。

This paper deals with the descriptions of two new species of Chinese leaf-hoppers belonging to the subfamily Nirvaninae collected from Lushan, Kiangsi. All type specimens are deposited in Anhwei Agricultural College.Pseudonirvana rufolineata, sp. nov.Pale stramineous, with three red longitudinal lines extending from apex of vertex to end of scutellum, a submarginal line of the same colour connected them near apex, tegmina translucent, very pale stramineous, three oblique blackish-brown lines in apical half of...

This paper deals with the descriptions of two new species of Chinese leaf-hoppers belonging to the subfamily Nirvaninae collected from Lushan, Kiangsi. All type specimens are deposited in Anhwei Agricultural College.Pseudonirvana rufolineata, sp. nov.Pale stramineous, with three red longitudinal lines extending from apex of vertex to end of scutellum, a submarginal line of the same colour connected them near apex, tegmina translucent, very pale stramineous, three oblique blackish-brown lines in apical half of subcostal area, a short blackish-brown transverse line on the cross vein of second apical cell, male abdomen full red, female ovipositor pale black, the end of pygofer red.The vertex is about one and a half times as long as the distance between two eyes, the ocelli placed near lateral edges a little before eyes, face elongate, front above rather strongly and evenly convex for about one-thirds its length and with a median carrina, the narrow upper portion with conspicuous sharp oblique lateral folds, pronotum one-half length of vertex, scutellum slightly shorter than pronotum, tegmina with the venation somewhat indistinctly defined, female seventh sternite with posterior margin deeply and acutely incised near lateral margins for two-thirds the distance to base, leaving a broad central truncated process equal one-half the length of lateral margins; male plates elongate, about four times as long as valve, aedeagus as in fig. le, f. Length incl. tegm. 7.6 mm, 8.2 mm.Holotype: , Kiangsi: Lushan, 1,200m, August 23, 1964. Allotype: , Kiangsi: Lushan, 1,200m, August 23, 1964. Paratype: 5 , 7, Kiangsi: Lushan, 1,000-1,200m.This species can easily be separated from other allied species by 3 red longitudinal lines from the apex of vertex to the end of scutellum.Pseudonirvana lushana, sp. nov.Pale stramineous, vertex with a large black spot at apex, from which proceeds a median black line along the pronotum, scutellum and full length of cloval commissure, tegmina milky translucent, two oblique black-brown lines in apical half of subcostal area, a large round black-brown spot at base of second apical cell, extreme apex of clavus black.The structure of this species is allied to the preceding species, Pseudonirvana rufo-lineata, but the female's seventh sternite with posterior margin emarginate on both sides, male plates concavely excavated on inner margin forming a long straplike process, aedeagus as in fig. 2e, f.Length incl. tegm. 5.0 mm, 6.2 mm.Holotype: , Kiangsi: Lushan, 1,100m, August 21, 1964. Allotype: , Kiangsi: Lushan, 1,100m, August 21, 1964.

本文记述拟隐脉叶蝉属的二个新种,命名为:红线拟隐脉叶蝉Pseudonirvana rufolincata,sp.nov.,庐山拟隐脉叶蝉Pseudonirvana lushana,sp.nov.。二新种的模式标本均采目我国江西庐山。

This paper is a experimental summation on the cross breeding between Triticum aestivum and Agropyron elongatum in the past twenty years. Its contents are as follow: A description for the characteristics of Agropyron elongatum and its genome; the methods used to overcome the cross-sterility and hybrid sterility; the cross breeding procedure and the genetic analysis for it; the selected hybrids which are the Triticum-Agropyron octoploid species, the alien addition lines, the alien substitution...

This paper is a experimental summation on the cross breeding between Triticum aestivum and Agropyron elongatum in the past twenty years. Its contents are as follow: A description for the characteristics of Agropyron elongatum and its genome; the methods used to overcome the cross-sterility and hybrid sterility; the cross breeding procedure and the genetic analysis for it; the selected hybrids which are the Triticum-Agropyron octoploid species, the alien addition lines, the alien substitution lines and the new high-yielding common wheat varieties with resistance to diseases.

本文是普通小麦与长穗偃麦草杂交育种二十年的经验总结。内容介绍了长穗偃麦草的特性和染色体组型,克服杂交不育和杂种不育的方法,杂交育种的程序及其遗传分析和选出的小偃麦八倍体种、异附加系、异代换系与丰产抗病的小偃麦新品种。

 
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