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水平比
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  “水平比”译为未确定词的双语例句
     The levels of CEA, CA19-9 and CA50 in TS_3 + TS_4 groups were higher than those in TS_1 + TS_2 groups (P < 0.05).
     TS3+TS4组的CEA、CA19-9、CA50水平比TS1+TS2组明显增高(P<0.05)。
短句来源
     Hs-CRP are significantly higher in the patients with cardiovascular events than others(2.77±2.16 vs 1.78±1.76mgl/L;p<0.05).
     发生心血管事件者平均hs-CRP水平比未发生者高(2.77±2.16比1.78±1.76mg/L;p<0.05)。
短句来源
     In the men, plasma fibrinogen level is significantly higher in the groups of genotypes -455GA and AA, -148CT and TT, αTaqⅠ T1T1, αTaqⅠ T1T2 than in the group of wild types(P=0.001,0.023,0.003 and 0.032 respectively).
     在男性人群中,-455GA和AA基因型、-148CT和TT基因型、αTaqⅠT1T1、αTaqⅠT1T2基因型组的血浆Fg水平比野生型组高(P值均<0.01)。
短句来源
     Results:Serum RLP-C level in99patients with type2DMwas significanttly increased than that in40controls[(0.31±0.19)mg/L vs(0.19±0.12)mmol/L,P<0.01].
     结果99例2型DM病人的血清RLP-C水平比40例正常对照显著增加[(0 31±0 19)mmol/L vs(0.19±0.12)mmol/L,P<0 01]。
短句来源
     In the general population, the plasma fibrinogen level is significantly higher in the groups of genotypes -455GA and AA, -148CT and TT, αTaqⅠ T1T1 than in the group of wild types(P=0.004, 0.015 and 0.043 respectively).
     在总人群中,-455GA和AA基因型、-148CT和TT基因型、αTaqⅠT1T1基因型组的血浆Fg水平比野生型组高(P值均<0.01);
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  相似匹配句对
     C were measured by the method of radioimmunology.
     C的水平
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     The Approach of Gradient Searching and Level Iterating in the Direction of SN Ratio Gradient.
     SN梯度搜索水平迭代法
短句来源
     The wire rod worked ratio is at higher level.
     线材加工处于较高水平
短句来源
     In this paper,the writer proves the existence theorem of Nash-Mequilibrium points under the weaker conditions than D.
     本文在 D.
短句来源
     Horizontal Continuous Caster
     水平连铸机
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  level comparison
Our findings concur; however, we are able to demonstrate this using a more complete group-level comparison.
      
The organ-level comparison between the alpine dwarf and lowland plants of B.
      
The growth of the vein system of the leaf ofTropaeolum peltophorum was studied (i) at the vein level (analysis of the growth kinetics and of the growth field of the 7 primary veins) and (ii) at the limb level (comparison of the growth of the veins).
      
These defects produce intermediate voltage levels which cause difficulties to the logic testing methods based on voltage level comparison.
      
Logarithmic Level Comparison for Small Deviation Probabilities
      
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Modelling techniques, including the similarity criteria, distortion limita-tions, selection of model sediment materials for the yellow River movable-bed models are briefly discussed in this paper.Yellow River is characterized in its broad and narrow cross sestion , fine bed material composition and drastic change of river bed. These characteristics should be taken into consideration in selecting the distortion ratio and in the establishment of the similaity criteria when a movable-bed model is designed.According...

Modelling techniques, including the similarity criteria, distortion limita-tions, selection of model sediment materials for the yellow River movable-bed models are briefly discussed in this paper.Yellow River is characterized in its broad and narrow cross sestion , fine bed material composition and drastic change of river bed. These characteristics should be taken into consideration in selecting the distortion ratio and in the establishment of the similaity criteria when a movable-bed model is designed.According to our experiences, the relation between distortion e and the scale ratios for the Yellow River movable-bed models isIn order to satisfy the similarity of silting and erosion and to make the phenomena of the exchange-between bed and suspended sediment basicly similar, the suggested criteria areandfor bed and suspended load respectively.The scale ratios of bed material and suspended sediment is related asBecause of the existance of sand dunes in the small water depth in the modle , the similarity of flow resistance could be satisfied in the main channel without artificial roughness, provided that the modl sediment and slope should be selected to satisfy the following criteria,Models designed and operated according to the above principles are similar fundamentally with the Prototypes in all respects such as water surfaces, discharge distribution and river bed deformations.

本文介绍了黄河动床模型试验的基本方法,包括相似条件、变率的选择、模型沙的选配、以及模型加糙方法等。本文认为黄河河床宽浅、泥沙细、河床冲淤变幅大,进行黄河动床模型试验,应该根据黄河的水沙特点及边界条件和试验任务来选择相似准则和模型变率。根据我们的经验,黄河动床模型的变率与水平比尺和垂直比尺之间的关系为,底沙运动相似条件为悬沙运动相似条件为,悬沙比尺与底沙比尺之间的关系为。黄河动床模型的水深不大,形成沙浪后,在主槽内,不必加糙仍有可能满足阻力相似条件,其办法是按照公式(24)选择模型沙及模型比降。按照上述方法,进行了几个模型试验,均取得了河床冲淤、水位变化过程与原型基本相似的验证试验成果。

When making the regulation plan for the Yangtze Estuary, model test as an important tool of investigation must be conducted. Many problems will be studied by means of a model. The following are the two major problems associated with the navigational channel: (1) In order to ensure the water depth alongside the piers of the Bao Shun steel works, the so-called three Sand Banks must be regulated, It is necessary to conduct comparative studies on a model of several alternatire schemes of regulation so as to be able...

When making the regulation plan for the Yangtze Estuary, model test as an important tool of investigation must be conducted. Many problems will be studied by means of a model. The following are the two major problems associated with the navigational channel: (1) In order to ensure the water depth alongside the piers of the Bao Shun steel works, the so-called three Sand Banks must be regulated, It is necessary to conduct comparative studies on a model of several alternatire schemes of regulation so as to be able to find a most suitable one. (2) The navigational channel across the mouth bar is too shallow, the actual water depth at the bar of Tongsha being not more than 6m. In 1574 the channel was deepened by dredging to -7.0m for a length of 28.5km. However difficulties are met with in the maintenance of the dredged channel mainly due to unsuitable spoil treatment. If the spoil is dumped nearby heavy siltation takes place in the navigation channel, but a long distance disposal of dredged material causes a low efficiency of dredging. How to choose a reasonable disposal area so as to reduce siltation is one of the problems required to be solved through experimental study. Considering the Yangtze Estuary as a branching estuary, the breanch waterways mutually act on one another. In order to reproduce in a most striking way the natural conditions it is necessary to construct a model which involves all the branch waterways. However, the estuary below the Hengsha Island is as wide as 75km, with an average depth of less than 8.0m, what the model reproduces will be the phenomena of a wide and shallow estuary. Owing to the limitation of the testing ground and difficulties in operation, the model has to use a relatively high distortion. Based on the area of the testing hall available, the following scales are adopted: Horizontal scale=1600 vertical scale=120 distortion=13.3 The model has an overall length of 120m. and a maximum width of 32.6m. The upper end of the model is connected to a meandering waterway which is about 200m. long Two different tide generating devices, i. e., a tidal chamber and a tall gate, are used at the lower ends as shown in fig. 1.

本文根据长江口水文、泥沙、地貌形态等自然特征,结合所需研究的各项任务,进行了详细的模型设计,确定了以下各项主要的比尺:水平比尺λ_L=1600;垂直比尺λ_H=120;泥沙沉速比尺λ_ω=0.95;泥浆扩散系数比尺λ_(Kx)=λ_(Ky)=17600。模型范围自天生港至口外鸡骨礁附近,全长约180公里。通过验证试验,自中浚以上直至徐六泾,模型沿程各潮位站的潮位过程线、各测流断面的流速及其横向分布与原型相符。在此基础上,进行了南支河段三沙治理方案的试验研究,并提出了较为合理的推荐方案。

In recent years, the determination of T-cell helper activity is becoming increasingly important in observing cellular immunity functions. Based upon the work of Ramalho-Pinto (1979) who was the first to study on the supplementary response to schistosomula of schis-tosoma mansoni in infected mice. This article reported the observation of effects on hapten-carrier reponses in mice either infected with S. japonicum or immunized with S. japonicum antigen, using the modified Ramalho-Pinto's method for the determination...

In recent years, the determination of T-cell helper activity is becoming increasingly important in observing cellular immunity functions. Based upon the work of Ramalho-Pinto (1979) who was the first to study on the supplementary response to schistosomula of schis-tosoma mansoni in infected mice. This article reported the observation of effects on hapten-carrier reponses in mice either infected with S. japonicum or immunized with S. japonicum antigen, using the modified Ramalho-Pinto's method for the determination of the T-cell helper activity in our laboratory. The results showed: 1) A T-cell helper response to sehisto-somula appeared at the early stage of S. japonicum infection with its level then gradually decreased 3 weeks later suggesting partial suppression of the T-cell supplementary function occurred in these mice after infection. 2) In mice immunized with soluble egg antigen(SEA) of S. japonicum, the T-cell helper response was similar to that of the S. japonicum infected mice but at a lower level. The immunization of mice with fresh or lyphilized ova or adult worm antigens could also induce the same T-cell helper activity on schistosomula.This preliminary observation may indicate that there are common antigenic determinants in the antigen components of S. japonicum at different developing stages and that on the surface of schistosomula.

体外测定T细胞辅助活力是近年来发展起来的一种细胞免疫观察方法。Ramalho-Pinto等(1979)在曼氏血吸虫感染小鼠上首先研究了这种感染早期的应答——对童虫的辅助T细胞应答。本文对Ramalho-Pinto等法改进后,在正常小鼠建立了T细胞辅助活力测定方法,并用此观察小鼠感染日本血吸虫和以日本血吸虫抗原免疫后,对半抗原-载体免疫应答的影响。结果表明:①小鼠感染日本血吸虫后早期存在对童虫的辅助T细胞应答;3周后应答水平渐降,反映小鼠感染后,辅助T细胞功能部分地受到抑制;②小鼠用日本血吸虫卵可溶性抗原(SEA)免疫后,T细胞辅助应答的规律和日本血吸虫感染小鼠者相似,但其应答水平比感染小鼠者低。用新鲜虫卵、冰冻干燥虫卵、成虫抗原免疫小鼠,亦能诱导出对童虫的辅助T细胞应答,初步表明来自日本血吸虫生活史不同发育阶段的抗原物质(如虫卵、成虫)和血吸虫童虫表面可能含有共同的抗原决定簇成份。

 
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