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  “束—”译为未确定词的双语例句
     NK-1 MOLECULAR BEAM SURFACE SCATTERING APPARATUS
     NK—1型分子束—表面散射装置的研制
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     The dependence of SrCl(B) state alignment on vibrational level was stu ided by means of the product polarization for the beam-gas chemiluminescent reaction Sr(~3P)+Cl_2→SrCl(B~2Σ~+)+Cl under single collison condition.
     本文在束—气单次碰撞条件下利用化学发光偏振方法研究了反应Sr(~3P)+Cl_2的产物SrCl(B)分子的转动取向对其振动态的依赖关系。
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     Methods:To make the laser beam produced by a Q-switched YAG impulse laser source to pass through a beam expander and to focus on the first focal point F 1 of the ellipsoid,in which water is broken down and the shock wave is produced to follow the cavitation bubble The shock wave is reflected by the ellipsoid and focused again on the second focal point F 2 of it used for sound field measurement and ithoclastic test.
     方法 :将调 Q— YAG脉冲激光器产生的激光 ,通过扩束—聚焦于椭球体的第一焦点 F1 ,对水击穿并空化产生冲击波 ,经椭球体反射再聚焦于椭球体的第二焦点 F2 处 ,进行其声压场的测量和模拟样品的粉碎试验。
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     Molecular Beam-Surface Scattering Apparatus
     分子束——表面散射装置
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     The pretty low beam-microwave transmission efficiency the frequency shift from shot to shot the uncertainty of the output microwave power are still the main drawbacks of the VCO type HPM sources.
     相对低的束—波能量转换效率、频率漂移和输出功率的不稳定仍是虚阴极振荡器类型的高功率微波源的主要缺点。
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     Rhizoids in bundle.
     假根成
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     Beam Crystallizations
     流晶化
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     GASP In一beam γ Spectrometer
     GASPγ装置
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     Molecular Beam-Surface Scattering Apparatus
     分子表面散射装置
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Space charge dynamics in electron beam-irradiated PMMA
      
Defects such as pores influence the fatigue life of electron beam-welded aluminum alloy joints.
      
A Cu layer was coated on carbon nanotubes (CNTs) by ion beam-assisted deposition (IBAD).
      
The difference between the beam-coupling gain coefficient Γ and the absorption coefficient α increases at 647 nm from 217 to 361 cm-1 with the increasing strength of a constant electric field E0 applied to the layer from 16 to 123 V/μm.
      
A fairly high two-beam-coupling gain coefficient was obtained, which reached a value of Γ = 218 cm-1 at an applied field of E0 = 50 V/μm.
      
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1. All kinds of colonies of Volvox africanus were found in great abundance during the first two weeks of May, 1933, from a pond in Nanking.2. The smallest colony is much smaller than that recorded from Africa and the Philippine Islands.3. The somatic cells are not connected by protoplasmic filaments in adult colonies.4. Asexual colony usually contains from two to six daughters symmetrically arranged in pairs according to size on opposite sides of the polar axis.5. Sexual colonies of different kinds are developed...

1. All kinds of colonies of Volvox africanus were found in great abundance during the first two weeks of May, 1933, from a pond in Nanking.2. The smallest colony is much smaller than that recorded from Africa and the Philippine Islands.3. The somatic cells are not connected by protoplasmic filaments in adult colonies.4. Asexual colony usually contains from two to six daughters symmetrically arranged in pairs according to size on opposite sides of the polar axis.5. Sexual colonies of different kinds are developed from the asexual mother either singly or in combination with other kinds and asexual daughters.6. Parthenogonidia develope very early in young embryos long before the latter become matured and escaped from the mother colony. 7. During the early development of parthenogonidia, at least from first to fifth or sixth divisions, no growth of the whole embryo takes the place while the number of cells increases.8. Spermatogonia attain fully-grown size and begin to divide before the time of the birth of the colony.9. The development of spermatogonium consists of seven successive divisions in forming a bundle or platelet of one hundred and twenty eight spermatozoa or microgametes.10. The number of ovaries in a female colony varies from twelve to fourty six. Generally, the larger the colony, the more the ovaries developed.11. Risexual colonies contain only two or three spermatogonia in addition to fourteen to twenty seven ovaries.12. In general, specimens recorded in Nanking are identical to those from the tropical regions such as Africa and the Philippine Islands.

關於菲洲團走子之分佈,按記載所及。僅限於菲洲,菲列濱,南印度等熱带區域。今在南京發現,於地理分佈上實為一新記錄。此種團走子在羣體成熟之後,其體質细胞間,並無原生質線交相聯絡。無性羣體每含有二至六大小不同成對均置之無性幼羣體。幼羣體在脫離母體以前,往往含有第二代幼體。各種有性羣體,亦自無性母羣體中發達而成。雄性羣體,皆为橢圓形,而較其他羣體為小。雌性羣體中之卵或大配子约有十二至四十六。雙性羣體只含有二或三精原细胞,及十五至二十七卵或大配子。孤性生殖细胞在幼羣體内即發生。當最初五或六次分裂時,细胞雖增加,而幼胎並不長大。精原细胞经七次連續之均等分裂,而成一一百二十八精子或小配子。

Three adult human brain stems which presented an unilateral hyprtrophy ofthe striae medullares of the fourth ventricle were studied in serial Weigert sec-tions with the following results. The unilateral hypertrophy of the striae medullares is correlated with thehypertiophy of the contralateral nucleus arcuatus. In the hypertrophied nucleus arcuatus the fibers collect themselves towardsthe bottom of the ventral median fissure. The large bundle thus formed coursesdorsally along the raphe, crosses to the other...

Three adult human brain stems which presented an unilateral hyprtrophy ofthe striae medullares of the fourth ventricle were studied in serial Weigert sec-tions with the following results. The unilateral hypertrophy of the striae medullares is correlated with thehypertiophy of the contralateral nucleus arcuatus. In the hypertrophied nucleus arcuatus the fibers collect themselves towardsthe bottom of the ventral median fissure. The large bundle thus formed coursesdorsally along the raphe, crosses to the other side ed emerges on the floor ofthe fourth ventricle. It then turns laterally in the subependymal layer, windingaround the tuberculum acusticum to approach the cerebellum. Besides the main nucleus arcuatus, the fibers of the accessory nuclei on themedioventral surface of the pyramid and of the ventral part of the nucleusraphes also paticipate apparently in the formation of the striae. The scatteredgray patches on the lateral part of the ventricular floor are minor relay stationsof the striae medullares. The nucleus arcuatus and allied nuclear masses are the caudally displacedpontine nuclei. The striae medullares behave just like an aberrent bundle ofthe brachium pontis and, as such, they conduct towards the cerebellum. Besides the striae medullares, the fibers of the nucleus arcuatus are also in-corporated into the ventral external arcuate fibers on the same and oppositesides, which curve around the ventrolateral surface of the medulla oblongatatowards the cerebellum.

在三个成人脑干先见第四脑室髓纹一侧偏大,经过染片研究,发现以下的情形。一侧偏大的髓纹与对侧弓状核的偏大是相繋的。在偏大的弓状核中,纤维聚向正中裂底,大纤维循缝际行向背侧,陆续越边,自室底中線折向外侧,遶过听结节,接近小脑。除了弓状主核,前外侧的副核、缝际核前部似也参加髓纹的合成。室底外侧部的零散核团也收发髓纹纤维。弓状核和连属的核团是脑桥核的下延部分。髓纹相当向下移位的脑桥臂纤维,是傅向小脑的。弓状核的纤维除形成髓纹外,一部进入同边和对边的前外弓状纤维,遶行延髓前外面,似趋奔小脑。

Chang Shan, the subterranean portion of Dichroa febrifuga Lour. (family Hydrangeaceae), and Shu Chi, the leafy tops of the same plant, have been used in Chinese medicine more than two thousand years, but their antimalarial action has been scientifically proved and constituents investigated only in recent years. A brief account of their history, botanical source, plant habit, cultiva-tion and collection and a detailed description of their sensory, macroscopical and microscopical characters are given. The important...

Chang Shan, the subterranean portion of Dichroa febrifuga Lour. (family Hydrangeaceae), and Shu Chi, the leafy tops of the same plant, have been used in Chinese medicine more than two thousand years, but their antimalarial action has been scientifically proved and constituents investigated only in recent years. A brief account of their history, botanical source, plant habit, cultiva-tion and collection and a detailed description of their sensory, macroscopical and microscopical characters are given. The important diagnostic features of Chang Shan are:-vessels with long oblique end-plates having well-marked scalariform perforations and often containing tyloses; septate xylem-fibres; idioblasts containing bundles of acicular crystals embedded in mucilage; thick-walled pericyclic fibres; the deep-seated origin of the cork. A well-marked medullary sheath of thick-walled, lignified and pitted parenchyma occurs in the pith of both the stem and rhizome. The important diagnostic features of Shu Chi are:-thick-walled, warty, unicellular trichomes; paracytic (rubiaceous) stomata; epidermal cells with pitted anticlinal walls and finely striated cuticle; water-pores in the teeth of the leaf; idioblasts with bundles of acicular crystals em-bedded in mucilage; droplets of fixed oil in most of the cells of the leaf; thick-walled pericyclic fibers from the stem as well as deep-seated cork and characteristic vessels as seen in the subterranean organs. The significance of some of the microscopical findings as a further illustration of the connexion between anatomy and taxonomy is also discussed.

1.常山是八仙花科植物黄常山Dichroa.febrifiuga Lour.的地下部分,而蜀漆是本植物的带叶枝梢,两者都有抗疟的效力。2.木文简单地介绍了前人研究常山的情况,然後详细地描述了,常出和蜀漆的性状和组织构造;并指出了某些组织特徵在分类学上的意义。3.常山的重要特徵是:(1)导管,末梢壁长而斜置,有显著的梯纹穿孔,并常含有侵填体;(2)分隔木纤维;(3)含草酸钙针晶的异细胞,针晶外有粘液包围;(4)厚壁的中柱梢纤维;(5)内生性的木栓层。根茎和茎的根部周围有显着的根鞘,根鞘由厚壁的木化细胞所成,壁上有单纹孔。 4.蜀漆的重要特征是:(1)厚壁有疣的单细胞毛;(2)平轴式气孔;(3)垂周壁上具有纹孔的表皮细胞;(4)叶绿锯齿上的水孔;(5)含草酸钙针晶的异细胞,针晶外有粘液包围;(6)脂肪油珠,存在於大多数叶肉细胞中。此外、并有由茎中来的厚壁的中柱鞘纤维和内生性的木栓层,以及特殊的梯纹导管,其形状和在地下器官部分所见的一样。

 
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